begin using dagger

Habitica/AndroidManifest.xml

@@ -2,7 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="com.habitrpg.android.habitica"
-    android:versionCode="84"
+    android:versionCode="86"
     android:versionName="0.0.30.1"
     android:screenOrientation="portrait"
     android:installLocation="auto" >

Habitica/build.gradle

@@ -63,6 +63,10 @@ dependencies {
     compile 'com.jakewharton:butterknife:8.0.1'
     apt 'com.jakewharton:butterknife-compiler:8.0.1'
 
+    //Dependency Injection
+    compile 'com.google.dagger:dagger:2.2'
+    apt 'com.google.dagger:dagger-compiler:2.2'
+    provided 'org.glassfish:javax.annotation:10.0-b28'
     //App Compatibility and Material Design
     compile('com.mikepenz:materialdrawer:5.2.6@aar') {
         transitive = true

Habitica/src/main/java/com/habitrpg/android/habitica/APIHelper.java

@@ -1,86 +1,29 @@
 package com.habitrpg.android.habitica;
 
-import com.google.gson.ExclusionStrategy;
-import com.google.gson.FieldAttributes;
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import com.google.gson.TypeAdapter;
-import com.google.gson.reflect.TypeToken;
-import com.google.gson.stream.JsonReader;
-import com.google.gson.stream.JsonToken;
-import com.google.gson.stream.JsonWriter;
-
 import com.amplitude.api.Amplitude;
 import com.crashlytics.android.Crashlytics;
-import com.habitrpg.android.habitica.database.CheckListItemExcludeStrategy;
 import com.magicmicky.habitrpgwrapper.lib.api.ApiService;
-import com.magicmicky.habitrpgwrapper.lib.api.InAppPurchasesApiService;
-import com.magicmicky.habitrpgwrapper.lib.api.MaintenanceApiService;
 import com.magicmicky.habitrpgwrapper.lib.api.Server;
-import com.magicmicky.habitrpgwrapper.lib.models.ChatMessage;
-import com.magicmicky.habitrpgwrapper.lib.models.ContentResult;
-import com.magicmicky.habitrpgwrapper.lib.models.Customization;
-import com.magicmicky.habitrpgwrapper.lib.models.FAQArticle;
-import com.magicmicky.habitrpgwrapper.lib.models.Group;
 import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
 import com.magicmicky.habitrpgwrapper.lib.models.PurchaseValidationRequest;
 import com.magicmicky.habitrpgwrapper.lib.models.PurchaseValidationResult;
-import com.magicmicky.habitrpgwrapper.lib.models.Purchases;
-import com.magicmicky.habitrpgwrapper.lib.models.Skill;
-import com.magicmicky.habitrpgwrapper.lib.models.TutorialStep;
 import com.magicmicky.habitrpgwrapper.lib.models.UserAuth;
 import com.magicmicky.habitrpgwrapper.lib.models.UserAuthResponse;
 import com.magicmicky.habitrpgwrapper.lib.models.UserAuthSocial;
 import com.magicmicky.habitrpgwrapper.lib.models.UserAuthSocialTokens;
-import com.magicmicky.habitrpgwrapper.lib.models.inventory.Egg;
-import com.magicmicky.habitrpgwrapper.lib.models.inventory.Food;
-import com.magicmicky.habitrpgwrapper.lib.models.inventory.HatchingPotion;
-import com.magicmicky.habitrpgwrapper.lib.models.inventory.Mount;
-import com.magicmicky.habitrpgwrapper.lib.models.inventory.Pet;
-import com.magicmicky.habitrpgwrapper.lib.models.inventory.QuestContent;
-import com.magicmicky.habitrpgwrapper.lib.models.responses.FeedResponse;
-import com.magicmicky.habitrpgwrapper.lib.models.tasks.ChecklistItem;
-import com.magicmicky.habitrpgwrapper.lib.models.tasks.ItemData;
 import com.magicmicky.habitrpgwrapper.lib.models.tasks.Task;
 import com.magicmicky.habitrpgwrapper.lib.models.tasks.TaskList;
-import com.magicmicky.habitrpgwrapper.lib.models.tasks.TaskTag;
-import com.magicmicky.habitrpgwrapper.lib.utils.ChatMessageDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.ChecklistItemSerializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.ContentDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.CustomizationDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.DateDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.EggListDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.FAQArticleListDeserilializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.FeedResponseDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.FoodListDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.GroupSerialization;
-import com.magicmicky.habitrpgwrapper.lib.utils.HatchingPotionListDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.ItemDataListDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.MountListDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.PetListDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.PurchasedDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.QuestListDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.SkillDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.TaskListDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.TaskSerializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.TaskTagDeserializer;
-import com.magicmicky.habitrpgwrapper.lib.utils.TutorialStepListDeserializer;
-import com.raizlabs.android.dbflow.structure.ModelAdapter;
 
 import org.json.JSONException;
 import org.json.JSONObject;
 
 import android.app.Activity;
 import android.support.v7.app.AlertDialog;
-import android.util.Log;
 
 import java.io.IOException;
 import java.lang.annotation.Annotation;
-import java.lang.reflect.Type;
 import java.net.ConnectException;
 import java.util.ArrayList;
-import java.util.Date;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -107,11 +50,9 @@ public class APIHelper implements Action1<Throwable> {
 
     // I think we don't need the APIHelper anymore we could just use ApiService
     public final ApiService apiService;
-    private final InAppPurchasesApiService inAppPurchasesService;
-    public final MaintenanceApiService maintenanceService;
     private final GsonConverterFactory gsonConverter;
+    private final HostConfig hostConfig;
     private final Retrofit retrofitAdapter;
-    private HostConfig cfg;
 
     final Observable.Transformer apiCallTransformer =
             observable -> ((Observable)observable).subscribeOn(Schedulers.io())
@@ -122,67 +63,12 @@ public class APIHelper implements Action1<Throwable> {
 
     //private OnHabitsAPIResult mResultListener;
     //private HostConfig mConfig;
-    public APIHelper(final HostConfig cfg) {
+    public APIHelper(GsonConverterFactory gsonConverter, HostConfig hostConfig) {
-        this.cfg = cfg;
+        this.gsonConverter = gsonConverter;
-        Crashlytics.getInstance().core.setUserIdentifier(cfg.getUser());
+        this.hostConfig = hostConfig;
-        Crashlytics.getInstance().core.setUserName(cfg.getUser());
+        Crashlytics.getInstance().core.setUserIdentifier(this.hostConfig.getUser());
-        Amplitude.getInstance().setUserId(cfg.getUser());
+        Crashlytics.getInstance().core.setUserName(this.hostConfig.getUser());
-
+        Amplitude.getInstance().setUserId(this.hostConfig.getUser());
-        Type taskTagClassListType = new TypeToken<List<TaskTag>>() {
-        }.getType();
-
-
-        Type skillListType = new TypeToken<List<Skill>>() {}.getType();
-        Type customizationListType = new TypeToken<List<Customization>>() {}.getType();
-        Type tutorialStepListType = new TypeToken<List<TutorialStep>>() {}.getType();
-        Type faqArticleListType = new TypeToken<List<FAQArticle>>() {}.getType();
-        Type itemDataListType = new TypeToken<List<ItemData>>() {}.getType();
-        Type eggListType = new TypeToken<List<Egg>>() {}.getType();
-        Type foodListType = new TypeToken<List<Food>>() {}.getType();
-        Type hatchingPotionListType = new TypeToken<List<HatchingPotion>>() {}.getType();
-        Type questContentListType = new TypeToken<List<QuestContent>>() {}.getType();
-        Type petListType = new TypeToken<HashMap<String, Pet>>() {}.getType();
-        Type mountListType = new TypeToken<HashMap<String, Mount>>() {}.getType();
-
-        //Exclusion strategy needed for DBFlow https://github.com/Raizlabs/DBFlow/issues/121
-        Gson gson = new GsonBuilder()
-                .setExclusionStrategies(new CheckListItemExcludeStrategy())
-                .setExclusionStrategies(new ExclusionStrategy() {
-                    @Override
-                    public boolean shouldSkipField(FieldAttributes f) {
-                        return f.getDeclaredClass().equals(ModelAdapter.class);
-                    }
-
-                    @Override
-                    public boolean shouldSkipClass(Class<?> clazz) {
-                        return false;
-                    }
-                })
-                .registerTypeAdapter(taskTagClassListType, new TaskTagDeserializer())
-                .registerTypeAdapter(Boolean.class, booleanAsIntAdapter)
-                .registerTypeAdapter(boolean.class, booleanAsIntAdapter)
-                .registerTypeAdapter(skillListType, new SkillDeserializer())
-                .registerTypeAdapter(ChecklistItem.class, new ChecklistItemSerializer())
-                .registerTypeAdapter(TaskList.class, new TaskListDeserializer())
-                .registerTypeAdapter(Purchases.class, new PurchasedDeserializer())
-                .registerTypeAdapter(customizationListType, new CustomizationDeserializer())
-                .registerTypeAdapter(tutorialStepListType, new TutorialStepListDeserializer())
-                .registerTypeAdapter(faqArticleListType, new FAQArticleListDeserilializer())
-                .registerTypeAdapter(Group.class, new GroupSerialization())
-                .registerTypeAdapter(Date.class, new DateDeserializer())
-                .registerTypeAdapter(itemDataListType, new ItemDataListDeserializer())
-                .registerTypeAdapter(eggListType, new EggListDeserializer())
-                .registerTypeAdapter(foodListType, new FoodListDeserializer())
-                .registerTypeAdapter(hatchingPotionListType, new HatchingPotionListDeserializer())
-                .registerTypeAdapter(questContentListType, new QuestListDeserializer())
-                .registerTypeAdapter(petListType, new PetListDeserializer())
-                .registerTypeAdapter(mountListType, new MountListDeserializer())
-                .registerTypeAdapter(ChatMessage.class, new ChatMessageDeserializer())
-                .registerTypeAdapter(Task.class, new TaskSerializer())
-                .registerTypeAdapter(ContentResult.class, new ContentDeserializer())
-                .registerTypeAdapter(FeedResponse.class, new FeedResponseDeserializer())
-                .setDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'")
-                .create();
 
         Interceptor remove_data_interceptor = chain -> {
             Response response = chain.proceed(chain.request());
@@ -218,10 +104,10 @@ public class APIHelper implements Action1<Throwable> {
                 .addInterceptor(logging)
                 .addNetworkInterceptor(chain -> {
                     Request original = chain.request();
-                    if (cfg.getUser() != null) {
+                    if (this.hostConfig.getUser() != null) {
                         Request request = original.newBuilder()
-                                .header("x-api-key", cfg.getApi())
+                                .header("x-api-key", this.hostConfig.getApi())
-                                .header("x-api-user", cfg.getUser())
+                                .header("x-api-user", this.hostConfig.getUser())
                                 .header("x-client", "habitica-android")
                                 .method(original.method(), original.body())
                                 .build();
@@ -232,10 +118,7 @@ public class APIHelper implements Action1<Throwable> {
                 })
                 .build();
 
-
+        Server server = new Server(this.hostConfig.getAddress());
-        gsonConverter = GsonConverterFactory.create(gson);
-
-        Server server = new Server(cfg.getAddress());
         retrofitAdapter = new Retrofit.Builder()
                 .client(client)
                 .baseUrl(server.toString())
@@ -243,51 +126,8 @@ public class APIHelper implements Action1<Throwable> {
                 .addConverterFactory(gsonConverter)
                 .build();
         this.apiService = retrofitAdapter.create(ApiService.class);
-
-        server = new Server(cfg.getAddress(), false);
-        Retrofit adapter = new Retrofit.Builder()
-                .baseUrl(server.toString())
-                .addConverterFactory(gsonConverter)
-                .build();
-        this.inAppPurchasesService = adapter.create(InAppPurchasesApiService.class);
-
-        adapter = new Retrofit.Builder()
-                .baseUrl("https://habitica-assets.s3.amazonaws.com/mobileApp/endpoint/")
-                .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
-                .addConverterFactory(gsonConverter)
-                .build();
-        this.maintenanceService = adapter.create(MaintenanceApiService.class);
     }
 
-    private static final TypeAdapter<Boolean> booleanAsIntAdapter = new TypeAdapter<Boolean>() {
-        @Override
-        public void write(JsonWriter out, Boolean value) throws IOException {
-            if (value == null) {
-                out.nullValue();
-            } else {
-                out.value(value);
-            }
-        }
-
-        @Override
-        public Boolean read(JsonReader in) throws IOException {
-            JsonToken peek = in.peek();
-            switch (peek) {
-                case BOOLEAN:
-                    return in.nextBoolean();
-                case NULL:
-                    in.nextNull();
-                    return null;
-                case NUMBER:
-                    return in.nextInt() != 0;
-                case STRING:
-                    return Boolean.parseBoolean(in.nextString());
-                default:
-                    throw new IllegalStateException("Expected BOOLEAN or NUMBER but was " + peek);
-            }
-        }
-    };
-
     public Observable<UserAuthResponse> registerUser(String username, String email, String password, String confirmPassword) {
         UserAuth auth = new UserAuth();
         auth.setUsername(username);
@@ -422,7 +262,7 @@ public class APIHelper implements Action1<Throwable> {
     }
 
     public PurchaseValidationResult validatePurchase(PurchaseValidationRequest request) throws IOException {
-       Call<PurchaseValidationResult> response = inAppPurchasesService.validatePurchase(cfg.getUser(), cfg.getApi(), request);
+       Call<PurchaseValidationResult> response = apiService.validatePurchase(request);
         return response.execute().body();
     }
 
@@ -430,4 +270,12 @@ public class APIHelper implements Action1<Throwable> {
     public <T> Observable.Transformer<T, T> configureApiCallObserver() {
         return (Observable.Transformer<T, T>) apiCallTransformer;
     }
+
+    public void updateAuthenticationCredentials(String userID, String apiToken) {
+        this.hostConfig.setUser(userID);
+        this.hostConfig.setApi(apiToken);
+        Crashlytics.getInstance().core.setUserIdentifier(this.hostConfig.getUser());
+        Crashlytics.getInstance().core.setUserName(this.hostConfig.getUser());
+        Amplitude.getInstance().setUserId(this.hostConfig.getUser());
+    }
 }

Habitica/src/main/java/com/habitrpg/android/habitica/HabiticaApplication.java

@@ -4,7 +4,11 @@ import com.amplitude.api.Amplitude;
 import com.crashlytics.android.Crashlytics;
 import com.crashlytics.android.core.CrashlyticsCore;
 import com.facebook.FacebookSdk;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.facebook.drawee.backends.pipeline.Fresco;
+import com.habitrpg.android.habitica.components.DaggerAppComponent;
+import com.habitrpg.android.habitica.modules.ApiModule;
+import com.habitrpg.android.habitica.modules.AppModule;
 import com.habitrpg.android.habitica.ui.activities.IntroActivity;
 import com.habitrpg.android.habitica.ui.activities.LoginActivity;
 import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
@@ -36,6 +40,9 @@ import java.io.File;
 import java.lang.reflect.Field;
 import java.util.Arrays;
 
+import javax.inject.Inject;
+
+import dagger.Lazy;
 import io.fabric.sdk.android.Fabric;
 
 public class HabiticaApplication extends MultiDexApplication {
@@ -44,6 +51,10 @@ public class HabiticaApplication extends MultiDexApplication {
     public static HabitRPGUser User;
     public static APIHelper ApiHelper;
     public static Activity currentActivity = null;
+    private AppComponent component;
+
+    @Inject
+    Lazy<APIHelper> lazyApiHelper;
 
     public static HabiticaApplication getInstance(Context context) {
         return (HabiticaApplication) context.getApplicationContext();
@@ -52,6 +63,7 @@ public class HabiticaApplication extends MultiDexApplication {
     @Override
     public void onCreate() {
         super.onCreate();
+        setupDagger();
         setupLeakCanary();
         setupFlowManager();
         setupFacebookSdk();
@@ -59,10 +71,15 @@ public class HabiticaApplication extends MultiDexApplication {
         createBillingAndCheckout();
         registerActivityLifecycleCallbacks();
         Amplitude.getInstance().initialize(this, getString(R.string.amplitude_app_id)).enableForegroundTracking(this);
-
         Fresco.initialize(this);
     }
 
+    private void setupDagger() {
+        component = DaggerAppComponent.builder()
+                .appModule(new AppModule(this))
+                .build();
+    }
+
     private void setupLeakCanary() {
         // LeakCanary 1.3.1 has problems on Marshmallow; can remove check once updated with fixes
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
@@ -217,6 +234,7 @@ public class HabiticaApplication extends MultiDexApplication {
         editor.putBoolean("use_reminder", use_reminder);
         editor.putString("reminder_time", reminder_time);
         editor.apply();
+        getInstance(context).lazyApiHelper.get().updateAuthenticationCredentials(null, null);
         startActivity(LoginActivity.class, context);
     }
 
@@ -283,4 +301,8 @@ public class HabiticaApplication extends MultiDexApplication {
     }
 
     // endregion
+
+    public AppComponent getComponent() {
+        return component;
+    }
 }

Habitica/src/main/java/com/habitrpg/android/habitica/HostConfig.java

@@ -1,5 +1,9 @@
 package com.habitrpg.android.habitica;
 
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+
 /**
  * The configuration of the host<br />
  * Currently, the Port isn't used at all.
@@ -10,6 +14,15 @@ public class HostConfig {
     private String port;
     private String api;
     private String user;
+
+    public HostConfig(SharedPreferences sharedPreferences, Context context) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        this.port = BuildConfig.PORT;
+        this.address = BuildConfig.DEBUG ? BuildConfig.BASE_URL : context.getString(R.string.base_url);
+        this.api = prefs.getString(context.getString(R.string.SP_APIToken), null);
+        this.user = prefs.getString(context.getString(R.string.SP_userID), null);
+    }
+
     /**
      * Create a new HostConfig
      * @param address the address of the server

Habitica/src/main/java/com/habitrpg/android/habitica/components/AppComponent.java

@@ -0,0 +1,143 @@
+package com.habitrpg.android.habitica.components;
+
+import com.habitrpg.android.habitica.modules.ApiModule;
+import com.habitrpg.android.habitica.modules.AppModule;
+import com.habitrpg.android.habitica.ui.activities.AboutActivity;
+import com.habitrpg.android.habitica.ui.activities.BaseActivity;
+import com.habitrpg.android.habitica.ui.activities.ClassSelectionActivity;
+import com.habitrpg.android.habitica.ui.activities.GroupFormActivity;
+import com.habitrpg.android.habitica.ui.activities.IntroActivity;
+import com.habitrpg.android.habitica.ui.activities.LoginActivity;
+import com.habitrpg.android.habitica.ui.activities.MainActivity;
+import com.habitrpg.android.habitica.ui.activities.MaintenanceActivity;
+import com.habitrpg.android.habitica.ui.activities.PartyInviteActivity;
+import com.habitrpg.android.habitica.ui.activities.PrefsActivity;
+import com.habitrpg.android.habitica.ui.activities.SetupActivity;
+import com.habitrpg.android.habitica.ui.activities.SkillTasksActivity;
+import com.habitrpg.android.habitica.ui.activities.TaskFormActivity;
+import com.habitrpg.android.habitica.ui.fragments.BaseFragment;
+import com.habitrpg.android.habitica.ui.fragments.GemsPurchaseFragment;
+import com.habitrpg.android.habitica.ui.fragments.NewsFragment;
+import com.habitrpg.android.habitica.ui.fragments.faq.FAQDetailFragment;
+import com.habitrpg.android.habitica.ui.fragments.faq.FAQOverviewFragment;
+import com.habitrpg.android.habitica.ui.fragments.inventory.customization.AvatarCustomizationFragment;
+import com.habitrpg.android.habitica.ui.fragments.inventory.customization.AvatarOverviewFragment;
+import com.habitrpg.android.habitica.ui.fragments.inventory.equipment.EquipmentDetailFragment;
+import com.habitrpg.android.habitica.ui.fragments.inventory.equipment.EquipmentOverviewFragment;
+import com.habitrpg.android.habitica.ui.fragments.inventory.items.ItemRecyclerFragment;
+import com.habitrpg.android.habitica.ui.fragments.inventory.items.ItemsFragment;
+import com.habitrpg.android.habitica.ui.fragments.inventory.stable.MountDetailRecyclerFragment;
+import com.habitrpg.android.habitica.ui.fragments.inventory.stable.PetDetailRecyclerFragment;
+import com.habitrpg.android.habitica.ui.fragments.inventory.stable.StableFragment;
+import com.habitrpg.android.habitica.ui.fragments.inventory.stable.StableRecyclerFragment;
+import com.habitrpg.android.habitica.ui.fragments.setup.AvatarSetupFragment;
+import com.habitrpg.android.habitica.ui.fragments.setup.IntroFragment;
+import com.habitrpg.android.habitica.ui.fragments.setup.TaskSetupFragment;
+import com.habitrpg.android.habitica.ui.fragments.skills.SkillTasksRecyclerViewFragment;
+import com.habitrpg.android.habitica.ui.fragments.skills.SkillsFragment;
+import com.habitrpg.android.habitica.ui.fragments.social.ChatListFragment;
+import com.habitrpg.android.habitica.ui.fragments.social.GroupInformationFragment;
+import com.habitrpg.android.habitica.ui.fragments.social.GuildFragment;
+import com.habitrpg.android.habitica.ui.fragments.social.GuildsOverviewFragment;
+import com.habitrpg.android.habitica.ui.fragments.social.PublicGuildsFragment;
+import com.habitrpg.android.habitica.ui.fragments.social.TavernFragment;
+import com.habitrpg.android.habitica.ui.fragments.social.party.PartyFragment;
+import com.habitrpg.android.habitica.ui.fragments.social.party.PartyInviteFragment;
+import com.habitrpg.android.habitica.ui.fragments.social.party.PartyMemberListFragment;
+import com.habitrpg.android.habitica.ui.fragments.tasks.TaskRecyclerViewFragment;
+import com.habitrpg.android.habitica.ui.fragments.tasks.TasksFragment;
+import com.habitrpg.android.habitica.widget.UpdateWidgetService;
+
+import javax.inject.Singleton;
+
+import dagger.Component;
+
+@Singleton
+@Component(modules = {AppModule.class, ApiModule.class})
+public interface AppComponent {
+    void inject(UpdateWidgetService target);
+
+    void inject(ClassSelectionActivity classSelectionActivity);
+
+    void inject(AboutActivity aboutActivity);
+
+    void inject(GroupFormActivity groupFormActivity);
+
+    void inject(IntroActivity introActivity);
+
+    void inject(LoginActivity loginActivity);
+
+    void inject(MainActivity mainActivity);
+
+    void inject(MaintenanceActivity maintenanceActivity);
+
+    void inject(PartyInviteActivity partyInviteActivity);
+
+    void inject(PrefsActivity prefsActivity);
+
+    void inject(SetupActivity setupActivity);
+
+    void inject(SkillTasksActivity skillTasksActivity);
+
+    void inject(TaskFormActivity taskFormActivity);
+
+    void inject(TasksFragment tasksFragment);
+
+    void inject(FAQDetailFragment faqDetailFragment);
+
+    void inject(FAQOverviewFragment faqOverviewFragment);
+
+    void inject(AvatarCustomizationFragment avatarCustomizationFragment);
+
+    void inject(AvatarOverviewFragment avatarOverviewFragment);
+
+    void inject(EquipmentDetailFragment equipmentDetailFragment);
+
+    void inject(EquipmentOverviewFragment equipmentOverviewFragment);
+
+    void inject(ItemRecyclerFragment itemRecyclerFragment);
+
+    void inject(ItemsFragment itemsFragment);
+
+    void inject(MountDetailRecyclerFragment mountDetailRecyclerFragment);
+
+    void inject(PetDetailRecyclerFragment petDetailRecyclerFragment);
+
+    void inject(StableFragment stableFragment);
+
+    void inject(StableRecyclerFragment stableRecyclerFragment);
+
+    void inject(AvatarSetupFragment avatarSetupFragment);
+
+    void inject(IntroFragment introFragment);
+
+    void inject(TaskSetupFragment taskSetupFragment);
+
+    void inject(SkillsFragment skillsFragment);
+
+    void inject(SkillTasksRecyclerViewFragment skillTasksRecyclerViewFragment);
+
+    void inject(PartyFragment partyFragment);
+
+    void inject(PartyInviteFragment partyInviteFragment);
+
+    void inject(PartyMemberListFragment partyMemberListFragment);
+
+    void inject(ChatListFragment chatListFragment);
+
+    void inject(GroupInformationFragment groupInformationFragment);
+
+    void inject(GuildFragment guildFragment);
+
+    void inject(GuildsOverviewFragment guildsOverviewFragment);
+
+    void inject(PublicGuildsFragment publicGuildsFragment);
+
+    void inject(TavernFragment tavernFragment);
+
+    void inject(TaskRecyclerViewFragment taskRecyclerViewFragment);
+
+    void inject(GemsPurchaseFragment gemsPurchaseFragment);
+
+    void inject(NewsFragment newsFragment);
+}

Habitica/src/main/java/com/habitrpg/android/habitica/modules/ApiModule.java

@@ -0,0 +1,154 @@
+package com.habitrpg.android.habitica.modules;
+
+import com.google.gson.ExclusionStrategy;
+import com.google.gson.FieldAttributes;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.reflect.TypeToken;
+
+import com.habitrpg.android.habitica.APIHelper;
+import com.habitrpg.android.habitica.HostConfig;
+import com.habitrpg.android.habitica.database.CheckListItemExcludeStrategy;
+import com.magicmicky.habitrpgwrapper.lib.api.MaintenanceApiService;
+import com.magicmicky.habitrpgwrapper.lib.models.ChatMessage;
+import com.magicmicky.habitrpgwrapper.lib.models.ContentResult;
+import com.magicmicky.habitrpgwrapper.lib.models.Customization;
+import com.magicmicky.habitrpgwrapper.lib.models.FAQArticle;
+import com.magicmicky.habitrpgwrapper.lib.models.Group;
+import com.magicmicky.habitrpgwrapper.lib.models.Purchases;
+import com.magicmicky.habitrpgwrapper.lib.models.Skill;
+import com.magicmicky.habitrpgwrapper.lib.models.TutorialStep;
+import com.magicmicky.habitrpgwrapper.lib.models.inventory.Egg;
+import com.magicmicky.habitrpgwrapper.lib.models.inventory.Food;
+import com.magicmicky.habitrpgwrapper.lib.models.inventory.HatchingPotion;
+import com.magicmicky.habitrpgwrapper.lib.models.inventory.Mount;
+import com.magicmicky.habitrpgwrapper.lib.models.inventory.Pet;
+import com.magicmicky.habitrpgwrapper.lib.models.inventory.QuestContent;
+import com.magicmicky.habitrpgwrapper.lib.models.responses.FeedResponse;
+import com.magicmicky.habitrpgwrapper.lib.models.tasks.ChecklistItem;
+import com.magicmicky.habitrpgwrapper.lib.models.tasks.ItemData;
+import com.magicmicky.habitrpgwrapper.lib.models.tasks.Task;
+import com.magicmicky.habitrpgwrapper.lib.models.tasks.TaskList;
+import com.magicmicky.habitrpgwrapper.lib.models.tasks.TaskTag;
+import com.magicmicky.habitrpgwrapper.lib.utils.BooleanAsIntAdapter;
+import com.magicmicky.habitrpgwrapper.lib.utils.ChatMessageDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.ChecklistItemSerializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.ContentDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.CustomizationDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.DateDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.EggListDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.FAQArticleListDeserilializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.FeedResponseDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.FoodListDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.GroupSerialization;
+import com.magicmicky.habitrpgwrapper.lib.utils.HatchingPotionListDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.ItemDataListDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.MountListDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.PetListDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.PurchasedDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.QuestListDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.SkillDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.TaskListDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.TaskSerializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.TaskTagDeserializer;
+import com.magicmicky.habitrpgwrapper.lib.utils.TutorialStepListDeserializer;
+import com.raizlabs.android.dbflow.structure.ModelAdapter;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
+import java.lang.reflect.Type;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+
+import javax.inject.Singleton;
+
+import dagger.Module;
+import dagger.Provides;
+import retrofit2.Retrofit;
+import retrofit2.adapter.rxjava.RxJavaCallAdapterFactory;
+import retrofit2.converter.gson.GsonConverterFactory;
+
+@Module
+public class ApiModule {
+
+    @Provides
+    @Singleton
+    public HostConfig providesHostConfig(SharedPreferences sharedPreferences, Context context) {
+        return new HostConfig(sharedPreferences, context);
+    }
+
+    @Provides
+    public GsonConverterFactory providesGsonConverterFactory() {
+        Type taskTagClassListType = new TypeToken<List<TaskTag>>() {}.getType();
+        Type skillListType = new TypeToken<List<Skill>>() {}.getType();
+        Type customizationListType = new TypeToken<List<Customization>>() {}.getType();
+        Type tutorialStepListType = new TypeToken<List<TutorialStep>>() {}.getType();
+        Type faqArticleListType = new TypeToken<List<FAQArticle>>() {}.getType();
+        Type itemDataListType = new TypeToken<List<ItemData>>() {}.getType();
+        Type eggListType = new TypeToken<List<Egg>>() {}.getType();
+        Type foodListType = new TypeToken<List<Food>>() {}.getType();
+        Type hatchingPotionListType = new TypeToken<List<HatchingPotion>>() {}.getType();
+        Type questContentListType = new TypeToken<List<QuestContent>>() {}.getType();
+        Type petListType = new TypeToken<HashMap<String, Pet>>() {}.getType();
+        Type mountListType = new TypeToken<HashMap<String, Mount>>() {}.getType();
+
+        //Exclusion strategy needed for DBFlow https://github.com/Raizlabs/DBFlow/issues/121
+        Gson gson = new GsonBuilder()
+                .setExclusionStrategies(new CheckListItemExcludeStrategy())
+                .setExclusionStrategies(new ExclusionStrategy() {
+                    @Override
+                    public boolean shouldSkipField(FieldAttributes f) {
+                        return f.getDeclaredClass().equals(ModelAdapter.class);
+                    }
+
+                    @Override
+                    public boolean shouldSkipClass(Class<?> clazz) {
+                        return false;
+                    }
+                })
+                .registerTypeAdapter(taskTagClassListType, new TaskTagDeserializer())
+                .registerTypeAdapter(Boolean.class, new BooleanAsIntAdapter())
+                .registerTypeAdapter(boolean.class, new BooleanAsIntAdapter())
+                .registerTypeAdapter(skillListType, new SkillDeserializer())
+                .registerTypeAdapter(ChecklistItem.class, new ChecklistItemSerializer())
+                .registerTypeAdapter(TaskList.class, new TaskListDeserializer())
+                .registerTypeAdapter(Purchases.class, new PurchasedDeserializer())
+                .registerTypeAdapter(customizationListType, new CustomizationDeserializer())
+                .registerTypeAdapter(tutorialStepListType, new TutorialStepListDeserializer())
+                .registerTypeAdapter(faqArticleListType, new FAQArticleListDeserilializer())
+                .registerTypeAdapter(Group.class, new GroupSerialization())
+                .registerTypeAdapter(Date.class, new DateDeserializer())
+                .registerTypeAdapter(itemDataListType, new ItemDataListDeserializer())
+                .registerTypeAdapter(eggListType, new EggListDeserializer())
+                .registerTypeAdapter(foodListType, new FoodListDeserializer())
+                .registerTypeAdapter(hatchingPotionListType, new HatchingPotionListDeserializer())
+                .registerTypeAdapter(questContentListType, new QuestListDeserializer())
+                .registerTypeAdapter(petListType, new PetListDeserializer())
+                .registerTypeAdapter(mountListType, new MountListDeserializer())
+                .registerTypeAdapter(ChatMessage.class, new ChatMessageDeserializer())
+                .registerTypeAdapter(Task.class, new TaskSerializer())
+                .registerTypeAdapter(ContentResult.class, new ContentDeserializer())
+                .registerTypeAdapter(FeedResponse.class, new FeedResponseDeserializer())
+                .setDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'")
+                .create();
+        return GsonConverterFactory.create(gson);
+    }
+
+    @Provides
+    @Singleton
+    public APIHelper providesApiHelper(GsonConverterFactory gsonConverter, HostConfig hostConfig) {
+        return new APIHelper(gsonConverter, hostConfig);
+    }
+
+    @Provides
+    public MaintenanceApiService providesMaintenanceApiService(GsonConverterFactory gsonConverter, HostConfig hostConfig) {
+        Retrofit adapter = new Retrofit.Builder()
+                .baseUrl("https://habitica-assets.s3.amazonaws.com/mobileApp/endpoint/")
+                .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
+                .addConverterFactory(gsonConverter)
+                .build();
+        return adapter.create(MaintenanceApiService.class);
+    }
+}

Habitica/src/main/java/com/habitrpg/android/habitica/modules/AppModule.java

@@ -0,0 +1,33 @@
+package com.habitrpg.android.habitica.modules;
+
+import com.habitrpg.android.habitica.HabiticaApplication;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.support.v7.preference.PreferenceManager;
+
+import javax.inject.Singleton;
+
+import dagger.Module;
+import dagger.Provides;
+
+@Module
+public class AppModule {
+
+    private HabiticaApplication application;
+
+    public AppModule(HabiticaApplication application) {
+        this.application = application;
+    }
+
+    @Provides
+    @Singleton
+    public Context providesContext() {
+        return application;
+    }
+
+    @Provides @Singleton
+    public SharedPreferences provideSharedPreferences(Context context) {
+        return PreferenceManager.getDefaultSharedPreferences(context);
+    }
+}

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/AboutActivity.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.activities;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.fragments.AboutFragment;
 import com.mikepenz.aboutlibraries.Libs;
 import com.mikepenz.aboutlibraries.LibsBuilder;
@@ -70,6 +71,10 @@ public class AboutActivity extends BaseActivity {
 
         tabLayout.setupWithViewPager(pager);
     }
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
+    }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/BaseActivity.java

@@ -1,5 +1,8 @@
 package com.habitrpg.android.habitica.ui.activities;
 
+import com.habitrpg.android.habitica.HabiticaApplication;
+import com.habitrpg.android.habitica.components.AppComponent;
+
 import android.os.Bundle;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.AppCompatActivity;
@@ -20,10 +23,13 @@ public abstract class BaseActivity extends AppCompatActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        injectActivity(getHabiticaApplication().getComponent());
         setContentView(getLayoutResId());
         ButterKnife.bind(this);
     }
 
+    protected abstract void injectActivity(AppComponent component);
+
     protected void setupToolbar(Toolbar toolbar) {
         if (toolbar != null) {
             setSupportActionBar(toolbar);
@@ -44,4 +50,8 @@ public abstract class BaseActivity extends AppCompatActivity {
         destroyed = true;
         super.onDestroy();
     }
+
+    public HabiticaApplication getHabiticaApplication() {
+        return (HabiticaApplication)getApplication();
+    }
 }

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/ClassSelectionActivity.java

@@ -3,6 +3,7 @@ package com.habitrpg.android.habitica.ui.activities;
 import com.habitrpg.android.habitica.APIHelper;
 import com.habitrpg.android.habitica.HabiticaApplication;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.AvatarView;
 import com.magicmicky.habitrpgwrapper.lib.models.Gear;
 import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
@@ -16,9 +17,6 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.support.v7.app.AlertDialog;
 
-import java.util.HashMap;
-import java.util.Map;
-
 import butterknife.BindView;
 import butterknife.OnClick;
 import rx.functions.Action1;
@@ -110,6 +108,11 @@ public class ClassSelectionActivity extends BaseActivity implements Action1<Habi
         }
     }
 
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
+    }
+
     public HabitRPGUser makeUser(Preferences preferences, Outfit outfit) {
         HabitRPGUser user = new HabitRPGUser();
         user.setPreferences(preferences);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/GroupFormActivity.java

@@ -3,6 +3,7 @@ package com.habitrpg.android.habitica.ui.activities;
 import com.github.data5tream.emojilib.EmojiEditText;
 import com.github.data5tream.emojilib.EmojiPopup;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.helpers.UiUtils;
 import com.habitrpg.android.habitica.ui.helpers.MarkdownParser;
 
@@ -120,6 +121,12 @@ public class GroupFormActivity extends BaseActivity {
         }
     }
 
+
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
+    }
+
     private void fillForm() {
         this.groupNameEditText.setText(this.groupName);
         this.groupDescriptionEditText.setText(this.groupDescription);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/IntroActivity.java

@@ -3,6 +3,7 @@ package com.habitrpg.android.habitica.ui.activities;
 import com.habitrpg.android.habitica.APIHelper;
 import com.habitrpg.android.habitica.HostConfig;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.fragments.setup.IntroFragment;
 import com.viewpagerindicator.CirclePageIndicator;
 
@@ -15,6 +16,8 @@ import android.support.v4.view.ViewPager;
 import android.view.View;
 import android.widget.Button;
 
+import javax.inject.Inject;
+
 import butterknife.BindView;
 
 public class IntroActivity extends BaseActivity implements View.OnClickListener, ViewPager.OnPageChangeListener {
@@ -31,6 +34,9 @@ public class IntroActivity extends BaseActivity implements View.OnClickListener,
     @BindView(R.id.finishButton)
     Button finishButton;
 
+    @Inject
+    public APIHelper apiHelper;
+
     @Override
     protected int getLayoutResId() {
         return R.layout.activity_intro;
@@ -40,19 +46,24 @@ public class IntroActivity extends BaseActivity implements View.OnClickListener,
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        getHabiticaApplication().getComponent().inject(this);
+
         setupIntro();
         indicator.setViewPager(pager);
 
         this.skipButton.setOnClickListener(this);
         this.finishButton.setOnClickListener(this);
 
-        HostConfig hostConfig = PrefsActivity.fromContext(this);
-        APIHelper apiHelper = new APIHelper(hostConfig);
         apiHelper.apiService.getContent()
                 .compose(apiHelper.configureApiCallObserver())
                 .subscribe(contentResult -> {}, throwable -> {});
     }
 
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
+    }
+
     private void setupIntro() {
         android.support.v4.app.FragmentManager fragmentManager = getSupportFragmentManager();
 

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/LoginActivity.java

@@ -9,9 +9,9 @@ import com.facebook.login.LoginResult;
 import com.facebook.login.widget.LoginButton;
 import com.habitrpg.android.habitica.APIHelper;
 import com.habitrpg.android.habitica.BuildConfig;
-import com.habitrpg.android.habitica.HostConfig;
 import com.habitrpg.android.habitica.R;
 import com.habitrpg.android.habitica.callbacks.HabitRPGUserCallback;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.prefs.scanner.IntentIntegrator;
 import com.habitrpg.android.habitica.prefs.scanner.IntentResult;
 import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
@@ -26,7 +26,6 @@ import android.graphics.Color;
 import android.net.Uri;
 import android.os.Bundle;
 import android.support.design.widget.Snackbar;
-import android.support.v7.app.AppCompatActivity;
 import android.support.v7.preference.PreferenceManager;
 import android.text.SpannableString;
 import android.text.style.UnderlineSpan;
@@ -41,6 +40,8 @@ import android.widget.ProgressBar;
 import android.widget.TableRow;
 import android.widget.TextView;
 
+import javax.inject.Inject;
+
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import rx.functions.Action1;
@@ -48,13 +49,16 @@ import rx.functions.Action1;
 /**
  * @author Mickael Goubin
  */
-public class LoginActivity extends AppCompatActivity
+public class LoginActivity extends BaseActivity
 	implements Action1<UserAuthResponse>, HabitRPGUserCallback.OnUserReceived {
 	private final static String TAG_ADDRESS="address";
 	private final static String TAG_USERID="user";
 	private final static String TAG_APIKEY="key";
 
-	private APIHelper apiHelper;
+    @Inject
+	public APIHelper apiHelper;
+    @Inject
+    public SharedPreferences sharedPrefs;
 	public String mTmpUserToken;
 	public String mTmpApiToken;
 	public Boolean isRegistering;
@@ -92,9 +96,13 @@ public class LoginActivity extends AppCompatActivity
     @BindView(R.id.forgot_pw_tv)
     TextView mForgotPWTV;
 
-	protected void onCreate(Bundle savedInstanceState) {
+    @Override
+    protected int getLayoutResId() {
+        return R.layout.activity_login;
+    }
+
+    protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
-		setContentView(R.layout.activity_login);
 
         //Set default values to avoid null-responses when requesting unedited settings
         PreferenceManager.setDefaultValues(this, R.xml.preferences_fragment, false);
@@ -132,12 +140,6 @@ public class LoginActivity extends AppCompatActivity
 			}
 		});
 
-		HostConfig hc= PrefsActivity.fromContext(this);
-        if(hc ==null) {
-            hc =  new HostConfig(BuildConfig.BASE_URL, BuildConfig.PORT, "", "");
-        }
-		apiHelper = new APIHelper(hc);
-
         this.isRegistering = true;
 
         JSONObject eventProperties = new JSONObject();
@@ -151,7 +153,12 @@ public class LoginActivity extends AppCompatActivity
         Amplitude.getInstance().logEvent("navigate", eventProperties);
     }
 
-	private void resetLayout() {
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
+    }
+
+    private void resetLayout() {
 		if (this.isRegistering) {
             if (this.mEmailRow.getVisibility() == View.GONE) {
                 show(this.mEmailRow);
@@ -323,11 +330,10 @@ startActivity(i);
 	}
 
     private void saveTokens(String api, String user) throws Exception {
-        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(LoginActivity.this);
+        this.apiHelper.updateAuthenticationCredentials(user, api);
-        SharedPreferences.Editor editor = prefs.edit();
+        SharedPreferences.Editor editor = sharedPrefs.edit();
         boolean ans = editor.putString(getString(R.string.SP_APIToken), api)
                 .putString(getString(R.string.SP_userID), user)
-                .putString(getString(R.string.SP_address),BuildConfig.BASE_URL)
                 .commit();
         if(!ans) {
             throw new Exception("PB_string_commit");

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/MainActivity.java

@@ -11,6 +11,7 @@ import com.habitrpg.android.habitica.callbacks.ItemsCallback;
 import com.habitrpg.android.habitica.callbacks.MergeUserCallback;
 import com.habitrpg.android.habitica.callbacks.TaskScoringCallback;
 import com.habitrpg.android.habitica.callbacks.UnlockCallback;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.databinding.ValueBarBinding;
 import com.habitrpg.android.habitica.events.ContentReloadedEvent;
 import com.habitrpg.android.habitica.events.DisplayFragmentEvent;
@@ -39,9 +40,10 @@ import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
 import com.habitrpg.android.habitica.ui.fragments.GemsPurchaseFragment;
 import com.habitrpg.android.habitica.ui.helpers.DataBindingUtils;
 import com.habitrpg.android.habitica.userpicture.BitmapUtils;
+import com.habitrpg.android.habitica.userpicture.UserPicture;
+import com.magicmicky.habitrpgwrapper.lib.api.MaintenanceApiService;
 import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
 import com.magicmicky.habitrpgwrapper.lib.models.SuppressedModals;
-import com.magicmicky.habitrpgwrapper.lib.models.Tag;
 import com.magicmicky.habitrpgwrapper.lib.models.TaskDirection;
 import com.magicmicky.habitrpgwrapper.lib.models.TaskDirectionData;
 import com.magicmicky.habitrpgwrapper.lib.models.TutorialStep;
@@ -61,7 +63,6 @@ import com.mikepenz.materialdrawer.AccountHeader;
 import com.mikepenz.materialdrawer.Drawer;
 import com.mikepenz.materialdrawer.DrawerBuilder;
 import com.mikepenz.materialdrawer.model.PrimaryDrawerItem;
-import com.mikepenz.materialdrawer.model.SwitchDrawerItem;
 import com.mikepenz.materialdrawer.model.interfaces.IDrawerItem;
 import com.mikepenz.materialdrawer.model.interfaces.IProfile;
 import com.raizlabs.android.dbflow.runtime.TransactionManager;
@@ -128,6 +129,8 @@ import java.util.Map;
 import java.util.TimeZone;
 import java.util.concurrent.TimeUnit;
 
+import javax.inject.Inject;
+
 import butterknife.BindView;
 import rx.functions.Action1;
 
@@ -156,12 +159,18 @@ public class MainActivity extends BaseActivity implements Action1<Throwable>, Ha
     public ActivityCheckout checkout = null;
     private Drawer drawer;
     private Drawer filterDrawer;
+
+    @Inject
     protected HostConfig hostConfig;
+    @Inject
+    public APIHelper apiHelper;
+    @Inject
+    public MaintenanceApiService maintenanceService;
+
     public HabitRPGUser user;
     private AccountHeader accountHeader;
     private BaseMainFragment activeFragment;
     private AvatarWithBarsViewModel avatarInHeader;
-    private APIHelper apiHelper;
     private AlertDialog faintDialog;
 
     private AvatarView sideAvatarView;
@@ -181,15 +190,12 @@ public class MainActivity extends BaseActivity implements Action1<Throwable>, Ha
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        this.hostConfig = PrefsActivity.fromContext(this);
         if (!HabiticaApplication.checkUserAuthentication(this, hostConfig))
             return;
 
         //Check if reminder alarm is set
         scheduleReminder(this);
 
-        HabiticaApplication.ApiHelper = this.apiHelper = new APIHelper(hostConfig);
-
         new Select().from(HabitRPGUser.class).where(Condition.column("id").eq(hostConfig.getUser())).async().querySingle(userTransactionListener);
 
         setupToolbar(toolbar);
@@ -213,6 +219,11 @@ public class MainActivity extends BaseActivity implements Action1<Throwable>, Ha
         EventBus.getDefault().register(this);
     }
 
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     protected void onResume() {
         super.onResume();
@@ -269,7 +280,6 @@ public class MainActivity extends BaseActivity implements Action1<Throwable>, Ha
         }
         this.activeFragment = fragment;
         fragment.setArguments(getIntent().getExtras());
-        fragment.apiHelper = apiHelper;
         fragment.setUser(user);
         fragment.setActivity(this);
         fragment.setTabLayout(detail_tabs);
@@ -1214,7 +1224,7 @@ public class MainActivity extends BaseActivity implements Action1<Throwable>, Ha
     }
 
     private void checkMaintenance() {
-        this.apiHelper.maintenanceService.getMaintenanceStatus()
+        this.maintenanceService.getMaintenanceStatus()
                 .compose(apiHelper.configureApiCallObserver())
                 .subscribe(maintenanceResponse -> {
                     if (maintenanceResponse.activeMaintenance) {

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/MaintenanceActivity.java

@@ -2,9 +2,12 @@ package com.habitrpg.android.habitica.ui.activities;
 
 import com.github.data5tream.emojilib.EmojiTextView;
 import com.habitrpg.android.habitica.APIHelper;
+import com.habitrpg.android.habitica.HabiticaApplication;
 import com.habitrpg.android.habitica.HostConfig;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.helpers.MarkdownParser;
+import com.magicmicky.habitrpgwrapper.lib.api.MaintenanceApiService;
 import com.squareup.picasso.Picasso;
 
 import android.content.Intent;
@@ -16,8 +19,12 @@ import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import javax.inject.Inject;
+
 import butterknife.BindView;
 import butterknife.OnClick;
+import rx.android.schedulers.AndroidSchedulers;
+import rx.schedulers.Schedulers;
 
 public class MaintenanceActivity extends BaseActivity {
 
@@ -32,7 +39,10 @@ public class MaintenanceActivity extends BaseActivity {
 
     @BindView(R.id.playStoreButton)
     Button playStoreButton;
-    private APIHelper apiHelper;
+
+    @Inject
+    public MaintenanceApiService maintenanceService;
+
     private Boolean isDeprecationNotice;
 
     @Override
@@ -57,16 +67,20 @@ public class MaintenanceActivity extends BaseActivity {
         } else {
             this.playStoreButton.setVisibility(View.GONE);
         }
-        HostConfig hostConfig = PrefsActivity.fromContext(this);
+    }
-        apiHelper = new APIHelper(hostConfig);
+
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
     }
 
     @Override
     protected void onResume() {
         super.onResume();
         if (!isDeprecationNotice) {
-            this.apiHelper.maintenanceService.getMaintenanceStatus()
+            this.maintenanceService.getMaintenanceStatus()
-                    .compose(this.apiHelper.configureApiCallObserver())
+                    .subscribeOn(Schedulers.io())
+                    .observeOn(AndroidSchedulers.mainThread())
                     .subscribe(maintenanceResponse -> {
                         if (!maintenanceResponse.activeMaintenance) {
                             finish();

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/PartyInviteActivity.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.activities;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.fragments.social.party.PartyInviteFragment;
 
 import android.content.Intent;
@@ -41,6 +42,11 @@ public class PartyInviteActivity extends BaseActivity {
         setViewPagerAdapter();
     }
 
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
+    }
+
 
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/PrefsActivity.java

@@ -3,6 +3,7 @@ package com.habitrpg.android.habitica.ui.activities;
 import com.habitrpg.android.habitica.BuildConfig;
 import com.habitrpg.android.habitica.HostConfig;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.fragments.preferences.AccountDetailsFragment;
 import com.habitrpg.android.habitica.ui.fragments.preferences.PreferencesFragment;
 
@@ -38,6 +39,11 @@ public class PrefsActivity extends BaseActivity implements
                 .commit();
     }
 
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public boolean onSupportNavigateUp() {
         if (getSupportFragmentManager().getBackStackEntryCount() > 0) {

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/SetupActivity.java

@@ -6,6 +6,7 @@ import com.habitrpg.android.habitica.HostConfig;
 import com.habitrpg.android.habitica.R;
 import com.habitrpg.android.habitica.callbacks.HabitRPGUserCallback;
 import com.habitrpg.android.habitica.callbacks.MergeUserCallback;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.commands.UpdateUserCommand;
 import com.habitrpg.android.habitica.ui.fragments.setup.AvatarSetupFragment;
 import com.habitrpg.android.habitica.ui.fragments.setup.TaskSetupFragment;
@@ -30,6 +31,8 @@ import android.widget.Button;
 import java.util.List;
 import java.util.Map;
 
+import javax.inject.Inject;
+
 import butterknife.BindView;
 
 public class SetupActivity extends BaseActivity implements View.OnClickListener, ViewPager.OnPageChangeListener, HabitRPGUserCallback.OnUserReceived {
@@ -49,7 +52,9 @@ public class SetupActivity extends BaseActivity implements View.OnClickListener,
     AvatarSetupFragment avatarSetupFragment;
     TaskSetupFragment taskSetupFragment;
 
-    private APIHelper apiHelper;
+    @Inject
+    public APIHelper apiHelper;
+    @Inject
     protected HostConfig hostConfig;
     HabitRPGUser user;
     Boolean completedSetup;
@@ -62,14 +67,8 @@ public class SetupActivity extends BaseActivity implements View.OnClickListener,
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-
-        this.hostConfig = PrefsActivity.fromContext(this);
-
-        this.apiHelper = new APIHelper(hostConfig);
-
         this.user = new Select().from(HabitRPGUser.class).where(Condition.column("id").eq(hostConfig.getUser())).querySingle();
 
-
         this.skipButton.setOnClickListener(this);
         this.nextButton.setOnClickListener(this);
         this.previousButton.setOnClickListener(this);
@@ -86,6 +85,11 @@ public class SetupActivity extends BaseActivity implements View.OnClickListener,
         Amplitude.getInstance().logEvent("setup", eventProperties);
     }
 
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     protected void onStart() {
         super.onStart();

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/SkillTasksActivity.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.activities;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.adapter.SkillTasksRecyclerViewAdapter;
 import com.habitrpg.android.habitica.ui.fragments.skills.SkillTasksRecyclerViewFragment;
 import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
@@ -40,6 +41,11 @@ public class SkillTasksActivity extends BaseActivity {
         loadTaskLists();
     }
 
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
+    }
+
     public void loadTaskLists() {
         android.support.v4.app.FragmentManager fragmentManager = getSupportFragmentManager();
 

Habitica/src/main/java/com/habitrpg/android/habitica/ui/activities/TaskFormActivity.java

@@ -3,6 +3,7 @@ package com.habitrpg.android.habitica.ui.activities;
 import com.github.data5tream.emojilib.EmojiEditText;
 import com.github.data5tream.emojilib.EmojiPopup;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.TaskSaveEvent;
 import com.habitrpg.android.habitica.events.commands.DeleteTaskCommand;
 import com.habitrpg.android.habitica.ui.WrapContentRecyclerViewLayoutManager;
@@ -393,6 +394,11 @@ public class TaskFormActivity extends BaseActivity implements AdapterView.OnItem
                 );
     }
 
+    @Override
+    protected void injectActivity(AppComponent component) {
+        component.inject(this);
+    }
+
     private boolean isEmojiEditText(View view) {
         return view instanceof EmojiEditText;
     }

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/BaseFragment.java

@@ -1,7 +1,9 @@
 package com.habitrpg.android.habitica.ui.fragments;
 
 import com.amplitude.api.Amplitude;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.DisplayTutorialEvent;
+import com.habitrpg.android.habitica.ui.activities.MainActivity;
 import com.magicmicky.habitrpgwrapper.lib.models.TutorialStep;
 import com.raizlabs.android.dbflow.runtime.transaction.BaseTransaction;
 import com.raizlabs.android.dbflow.runtime.transaction.TransactionListener;
@@ -26,7 +28,7 @@ import java.util.Date;
 import butterknife.ButterKnife;
 import butterknife.Unbinder;
 
-public class BaseFragment extends DialogFragment {
+public abstract class BaseFragment extends DialogFragment {
 
     private boolean registerEventBus = false;
 
@@ -63,6 +65,8 @@ public class BaseFragment extends DialogFragment {
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
 
+        injectFragment(((MainActivity)getActivity()).getHabiticaApplication().getComponent());
+
         // Receive Events
         try {
             EventBus.getDefault().register(this);
@@ -74,6 +78,8 @@ public class BaseFragment extends DialogFragment {
         return null;
     }
 
+    public abstract void injectFragment(AppComponent component);
+
     @CallSuper
     @Override
     public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/BaseMainFragment.java

@@ -15,12 +15,16 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 
+import javax.inject.Inject;
+
 public abstract class BaseMainFragment extends BaseFragment {
 
+    @Inject
+    public APIHelper apiHelper;
+
     public MainActivity activity;
     public TabLayout tabLayout;
     public FrameLayout floatingMenuWrapper;
-    public APIHelper apiHelper;
     protected HabitRPGUser user;
     public boolean usesTabLayout;
     public int fragmentSidebarPosition;
@@ -75,10 +79,6 @@ public abstract class BaseMainFragment extends BaseFragment {
             }
         }
 
-        if (apiHelper == null) {
-            apiHelper = new APIHelper(PrefsActivity.fromContext(getContext()));
-        }
-
         if (floatingMenuWrapper != null) {
             floatingMenuWrapper.removeAllViews();
         }

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/GemsPurchaseFragment.java

@@ -2,6 +2,7 @@ package com.habitrpg.android.habitica.ui.fragments;
 
 import com.habitrpg.android.habitica.HabiticaApplication;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.BoughtGemsEvent;
 import com.habitrpg.android.habitica.ui.helpers.ViewHelper;
 
@@ -57,6 +58,11 @@ public class GemsPurchaseFragment extends BaseMainFragment {
         return inflater.inflate(R.layout.fragment_gem_purchase, container, false);
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/NewsFragment.java

@@ -2,6 +2,7 @@ package com.habitrpg.android.habitica.ui.fragments;
 
 import com.habitrpg.android.habitica.BuildConfig;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 
 import android.os.Bundle;
 import android.view.LayoutInflater;
@@ -33,4 +34,9 @@ public class NewsFragment extends BaseMainFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
 }

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/faq/FAQDetailFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.faq;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
 import com.habitrpg.android.habitica.ui.helpers.MarkdownParser;
 import com.magicmicky.habitrpgwrapper.lib.models.FAQArticle;
@@ -40,6 +41,10 @@ public class FAQDetailFragment extends BaseMainFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+    }
+
     public void setArticle(FAQArticle article) {
         this.article = article;
         if (this.questionTextView != null) {

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/faq/FAQOverviewFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.faq;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.menu.DividerItemDecoration;
 import com.habitrpg.android.habitica.ui.adapter.FAQOverviewRecyclerAdapter;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
@@ -42,7 +43,12 @@ public class FAQOverviewFragment extends BaseMainFragment {
             return view;
         }
 
-        private void loadArticles() {
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
+    private void loadArticles() {
             if(user == null || adapter == null){
                 return;
             }

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/inventory/customization/AvatarCustomizationFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.inventory.customization;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.adapter.CustomizationRecyclerViewAdapter;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
 import com.habitrpg.android.habitica.ui.helpers.MarginDecoration;
@@ -76,6 +77,11 @@ public class AvatarCustomizationFragment extends BaseMainFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     private void loadCustomizations() {
         if(user == null || adapter == null){
             return;

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/inventory/customization/AvatarOverviewFragment.java

@@ -2,6 +2,7 @@ package com.habitrpg.android.habitica.ui.fragments.inventory.customization;
 
 import com.habitrpg.android.habitica.R;
 import com.habitrpg.android.habitica.callbacks.MergeUserCallback;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.databinding.FragmentAvatarOverviewBinding;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
 import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
@@ -100,6 +101,11 @@ public class AvatarOverviewFragment extends BaseMainFragment implements AdapterV
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     private void displayCustomizationFragment(String type, String category) {
                 AvatarCustomizationFragment fragment = new AvatarCustomizationFragment();
                 fragment.type = type;

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/inventory/equipment/EquipmentDetailFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.inventory.equipment;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.menu.DividerItemDecoration;
 import com.habitrpg.android.habitica.ui.adapter.inventory.EquipmentRecyclerViewAdapter;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
@@ -54,6 +55,11 @@ public class EquipmentDetailFragment extends BaseMainFragment {
         return v;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     private void loadGear() {
         if(user == null || adapter == null){
             return;

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/inventory/equipment/EquipmentOverviewFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.inventory.equipment;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.databinding.FragmentEquipmentOverviewBinding;
 import com.habitrpg.android.habitica.events.commands.UpdateUserCommand;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
@@ -131,6 +132,11 @@ public class EquipmentOverviewFragment extends BaseMainFragment implements Trans
         return v;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     private void displayEquipmentDetailList(String type, String equipped, Boolean isCostume) {
         EquipmentDetailFragment fragment = new EquipmentDetailFragment();
         fragment.type = type;

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/inventory/items/ItemRecyclerFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.inventory.items;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.ContentReloadedEvent;
 import com.habitrpg.android.habitica.ui.menu.DividerItemDecoration;
 import com.habitrpg.android.habitica.ui.adapter.inventory.ItemRecyclerAdapter;
@@ -114,6 +115,11 @@ public class ItemRecyclerFragment extends BaseFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/inventory/items/ItemsFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.inventory.items;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.commands.HatchingCommand;
 import com.habitrpg.android.habitica.events.commands.InvitePartyToQuestCommand;
 import com.habitrpg.android.habitica.events.commands.OpenMenuItemCommand;
@@ -38,6 +39,11 @@ public class ItemsFragment extends BaseMainFragment {
         return v;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     public void setViewPagerAdapter() {
         android.support.v4.app.FragmentManager fragmentManager = getChildFragmentManager();
 

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/inventory/stable/MountDetailRecyclerFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.inventory.stable;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.adapter.inventory.MountDetailRecyclerAdapter;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
 import com.habitrpg.android.habitica.ui.helpers.MarginDecoration;
@@ -62,6 +63,11 @@ public class MountDetailRecyclerFragment extends BaseMainFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/inventory/stable/PetDetailRecyclerFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.inventory.stable;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.commands.FeedCommand;
 import com.habitrpg.android.habitica.ui.adapter.inventory.PetDetailRecyclerAdapter;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
@@ -67,6 +68,11 @@ public class PetDetailRecyclerFragment extends BaseMainFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/inventory/stable/StableFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.inventory.stable;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
 
 import android.os.Bundle;
@@ -31,6 +32,11 @@ public class StableFragment extends BaseMainFragment {
         return v;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     public void setViewPagerAdapter() {
         android.support.v4.app.FragmentManager fragmentManager = getChildFragmentManager();
 

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/inventory/stable/StableRecyclerFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.inventory.stable;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.ContentReloadedEvent;
 import com.habitrpg.android.habitica.events.ReloadContentEvent;
 import com.habitrpg.android.habitica.ui.activities.MainActivity;
@@ -97,6 +98,11 @@ public class StableRecyclerFragment extends BaseFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/setup/AvatarSetupFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.setup;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.AvatarView;
 import com.habitrpg.android.habitica.ui.activities.SetupActivity;
 import com.habitrpg.android.habitica.ui.adapter.setup.CustomizationSetupAdapter;
@@ -81,6 +82,11 @@ public class AvatarSetupFragment extends BaseFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/setup/IntroFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.setup;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.fragments.BaseFragment;
 
 import android.graphics.drawable.Drawable;
@@ -53,6 +54,11 @@ public class IntroFragment extends BaseFragment {
         return v;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     public void setImage(Drawable image) {
         this.image = image;
         if (this.imageView != null && image != null) {

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/setup/TaskSetupFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.setup;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.activities.SetupActivity;
 import com.habitrpg.android.habitica.ui.adapter.setup.TaskSetupAdapter;
 import com.habitrpg.android.habitica.ui.fragments.BaseFragment;
@@ -56,6 +57,11 @@ public class TaskSetupFragment extends BaseFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     private void setTasks() {
         this.taskGroups = new String[][]{
                 {getString(R.string.setup_group_work), "work"},

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/skills/SkillTasksRecyclerViewFragment.java

@@ -1,8 +1,10 @@
 package com.habitrpg.android.habitica.ui.fragments.skills;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.commands.AddNewTaskCommand;
 import com.habitrpg.android.habitica.ui.adapter.SkillTasksRecyclerViewAdapter;
+import com.habitrpg.android.habitica.ui.fragments.BaseFragment;
 
 import org.greenrobot.eventbus.EventBus;
 
@@ -15,7 +17,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
-public class SkillTasksRecyclerViewFragment extends Fragment implements View.OnClickListener {
+public class SkillTasksRecyclerViewFragment extends BaseFragment implements View.OnClickListener {
         public RecyclerView mRecyclerView;
         public RecyclerView.Adapter mAdapter;
         private String classType;
@@ -35,7 +37,12 @@ public class SkillTasksRecyclerViewFragment extends Fragment implements View.OnC
             return view;
         }
 
-        LinearLayoutManager layoutManager = null;
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
+    LinearLayoutManager layoutManager = null;
 
         @Override
         public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/skills/SkillsFragment.java

@@ -3,6 +3,7 @@ package com.habitrpg.android.habitica.ui.fragments.skills;
 import com.habitrpg.android.habitica.R;
 import com.habitrpg.android.habitica.callbacks.MergeUserCallback;
 import com.habitrpg.android.habitica.callbacks.SkillCallback;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.SkillUsedEvent;
 import com.habitrpg.android.habitica.events.commands.UseSkillCommand;
 import com.habitrpg.android.habitica.ui.helpers.UiUtils;
@@ -58,6 +59,11 @@ public class SkillsFragment extends BaseMainFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @BindView(R.id.recyclerView)
     RecyclerView mRecyclerView;
 

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/social/ChatListFragment.java

@@ -3,6 +3,7 @@ package com.habitrpg.android.habitica.ui.fragments.social;
 import com.habitrpg.android.habitica.APIHelper;
 import com.habitrpg.android.habitica.HabiticaApplication;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.ToggledInnStateEvent;
 import com.habitrpg.android.habitica.events.commands.DeleteChatMessageCommand;
 import com.habitrpg.android.habitica.events.commands.FlagChatMessageCommand;
@@ -39,6 +40,8 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 
+import javax.inject.Inject;
+
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import rx.functions.Action1;
@@ -48,7 +51,9 @@ public class ChatListFragment extends BaseFragment implements SwipeRefreshLayout
     private Context ctx;
     private String groupId;
     public String seenGroupId;
-    private APIHelper apiHelper;
+
+    @Inject
+    public APIHelper apiHelper;
     private HabitRPGUser user;
     private String userId;
     public boolean isTavern;
@@ -94,13 +99,14 @@ public class ChatListFragment extends BaseFragment implements SwipeRefreshLayout
         if (view == null)
             view = inflater.inflate(R.layout.fragment_chatlist, container, false);
 
-        if (apiHelper == null) {
-            apiHelper = new APIHelper(PrefsActivity.fromContext(getContext()));
-        }
-
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @BindView(R.id.chat_list)
     RecyclerView mRecyclerView;
 

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/social/GroupInformationFragment.java

@@ -2,6 +2,7 @@ package com.habitrpg.android.habitica.ui.fragments.social;
 
 import com.habitrpg.android.habitica.APIHelper;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.databinding.FragmentGroupInfoBinding;
 import com.habitrpg.android.habitica.databinding.ValueBarBinding;
 import com.habitrpg.android.habitica.ui.adapter.social.QuestCollectRecyclerViewAdapter;
@@ -99,6 +100,11 @@ public class GroupInformationFragment extends BaseFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/social/GuildFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.social;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.activities.GroupFormActivity;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
 import com.magicmicky.habitrpgwrapper.lib.models.Group;
@@ -60,6 +61,11 @@ public class GuildFragment extends BaseMainFragment implements Action1<Group> {
         return v;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/social/GuildsOverviewFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.social;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
 import com.magicmicky.habitrpgwrapper.lib.models.Group;
 
@@ -54,6 +55,11 @@ public class GuildsOverviewFragment extends BaseMainFragment implements View.OnC
         return v;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onRefresh() {
         swipeRefreshLayout.setRefreshing(true);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/social/PublicGuildsFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.social;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.menu.DividerItemDecoration;
 import com.habitrpg.android.habitica.ui.adapter.social.PublicGuildsRecyclerViewAdapter;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
@@ -51,6 +52,11 @@ public class PublicGuildsFragment extends BaseMainFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onCreate(Bundle savedInstance) {
         super.onCreate(savedInstance);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/social/TavernFragment.java

@@ -2,6 +2,7 @@ package com.habitrpg.android.habitica.ui.fragments.social;
 
 import com.habitrpg.android.habitica.ContentCache;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
 import com.magicmicky.habitrpgwrapper.lib.models.Group;
 
@@ -39,6 +40,11 @@ public class TavernFragment extends BaseMainFragment {
         return v;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/social/party/PartyFragment.java

@@ -2,6 +2,7 @@ package com.habitrpg.android.habitica.ui.fragments.social.party;
 
 import com.habitrpg.android.habitica.ContentCache;
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.activities.GroupFormActivity;
 import com.habitrpg.android.habitica.ui.activities.PartyInviteActivity;
 import com.habitrpg.android.habitica.ui.fragments.BaseMainFragment;
@@ -92,6 +93,11 @@ public class PartyFragment extends BaseMainFragment {
         return v;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     private void updateGroupUI() {
         if (partyMemberListFragment != null) {
             partyMemberListFragment.setMemberList(group.members);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/social/party/PartyInviteFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.social.party;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.fragments.BaseFragment;
 
 import android.os.Bundle;
@@ -48,6 +49,11 @@ public class PartyInviteFragment extends BaseFragment {
         return v;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @OnClick(R.id.addInviteButton)
     public void addInviteField() {
         EditText editText = new EditText(getContext());

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/social/party/PartyMemberListFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.social.party;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.ui.adapter.social.PartyMemberRecyclerViewAdapter;
 import com.habitrpg.android.habitica.ui.fragments.BaseFragment;
 import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
@@ -49,6 +50,11 @@ public class PartyMemberListFragment extends BaseFragment {
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/tasks/TaskRecyclerViewFragment.java

@@ -1,6 +1,7 @@
 package com.habitrpg.android.habitica.ui.fragments.tasks;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.commands.AddNewTaskCommand;
 import com.habitrpg.android.habitica.ui.menu.DividerItemDecoration;
 import com.habitrpg.android.habitica.ui.adapter.tasks.BaseTasksRecyclerViewAdapter;
@@ -86,6 +87,11 @@ public class TaskRecyclerViewFragment extends BaseFragment implements View.OnCli
         return view;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     LinearLayoutManager layoutManager = null;
 
     @Override

Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/tasks/TasksFragment.java

@@ -8,6 +8,7 @@ import com.habitrpg.android.habitica.callbacks.HabitRPGUserCallback;
 import com.habitrpg.android.habitica.callbacks.TaskCreationCallback;
 import com.habitrpg.android.habitica.callbacks.TaskScoringCallback;
 import com.habitrpg.android.habitica.callbacks.TaskUpdateCallback;
+import com.habitrpg.android.habitica.components.AppComponent;
 import com.habitrpg.android.habitica.events.HabitScoreEvent;
 import com.habitrpg.android.habitica.events.TaskSaveEvent;
 import com.habitrpg.android.habitica.events.TaskTappedEvent;
@@ -124,6 +125,7 @@ public class TasksFragment extends BaseMainFragment implements OnCheckedChangeLi
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
+
         this.usesTabLayout = true;
         this.displayingTaskForm = false;
         super.onCreateView(inflater, container, savedInstanceState);
@@ -154,6 +156,11 @@ public class TasksFragment extends BaseMainFragment implements OnCheckedChangeLi
         return v;
     }
 
+    @Override
+    public void injectFragment(AppComponent component) {
+        component.inject(this);
+    }
+
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         inflater.inflate(R.menu.menu_main_activity, menu);

Habitica/src/main/java/com/habitrpg/android/habitica/widget/UpdateWidgetService.java

@@ -1,12 +1,14 @@
 package com.habitrpg.android.habitica.widget;
 
 import com.habitrpg.android.habitica.APIHelper;
+import com.habitrpg.android.habitica.HabiticaApplication;
 import com.habitrpg.android.habitica.HostConfig;
 import com.habitrpg.android.habitica.R;
 import com.habitrpg.android.habitica.callbacks.HabitRPGUserCallback;
 import com.habitrpg.android.habitica.ui.activities.MainActivity;
 import com.habitrpg.android.habitica.ui.activities.PrefsActivity;
 import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
+import com.raizlabs.android.dbflow.sql.language.Update;
 
 import android.app.PendingIntent;
 import android.app.Service;
@@ -17,6 +19,8 @@ import android.os.IBinder;
 import android.util.Log;
 import android.widget.RemoteViews;
 
+import javax.inject.Inject;
+
 /**
  * The service that should update the simple widget
  *
@@ -26,30 +30,30 @@ import android.widget.RemoteViews;
 public class UpdateWidgetService extends Service implements HabitRPGUserCallback.OnUserReceived {
     private static final String LOG = ".simplewidget.service";
     private AppWidgetManager appWidgetManager;
-    private APIHelper apiHelper;
+
+    @Inject
+    public APIHelper apiHelper;
+
+    public UpdateWidgetService() {
+        super();
+        ((HabiticaApplication)getApplication()).getComponent().inject(this);
+    }
 
     @Override
     public int onStartCommand(final Intent intent, int flags, int startId) {
-        Log.i(LOG, "Service onStart Called");
-
         this.appWidgetManager = AppWidgetManager.getInstance(this);
         int[] allWidgetIds = intent.getIntArrayExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS);
         ComponentName thisWidget = new ComponentName(this,
                 SimpleWidget.class);
         int[] allWidgetIds2 = appWidgetManager.getAppWidgetIds(thisWidget);
-        Log.w(LOG, "From Intent" + String.valueOf(allWidgetIds.length));
-        Log.w(LOG, "Direct" + String.valueOf(allWidgetIds2.length));
 
-        HostConfig hc = PrefsActivity.fromContext(this);
+        if (apiHelper != null) {
-        if (hc != null && hc.getApi() != null && !hc.getApi().equals("") && hc.getUser() != null && !hc.getUser().equals("")) {
-            this.apiHelper = new APIHelper(hc);
             apiHelper.retrieveUser(true).subscribe(new HabitRPGUserCallback(this));
             for (int widgetId : allWidgetIds) {
                 RemoteViews remoteViews = new RemoteViews(this.getPackageName(), R.layout.simple_widget);
                 appWidgetManager.updateAppWidget(widgetId, remoteViews);
             }
         } else {
-            Log.w(LOG, "HostConfig is null");
             for (int widgetId : allWidgetIds) {
                 RemoteViews remoteViews = new RemoteViews(this.getPackageName(), R.layout.simple_widget);
                 RemoteViews textConnect = new RemoteViews(this.getPackageName(), R.layout.simple_textview);

Habitica/src/main/java/com/magicmicky/habitrpgwrapper/lib/api/ApiService.java

@@ -6,6 +6,8 @@ import com.magicmicky.habitrpgwrapper.lib.models.Group;
 import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
 import com.magicmicky.habitrpgwrapper.lib.models.Items;
 import com.magicmicky.habitrpgwrapper.lib.models.PostChatMessageResult;
+import com.magicmicky.habitrpgwrapper.lib.models.PurchaseValidationRequest;
+import com.magicmicky.habitrpgwrapper.lib.models.PurchaseValidationResult;
 import com.magicmicky.habitrpgwrapper.lib.models.Quest;
 import com.magicmicky.habitrpgwrapper.lib.models.Status;
 import com.magicmicky.habitrpgwrapper.lib.models.Tag;
@@ -25,6 +27,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import retrofit2.Call;
 import retrofit2.http.Body;
 import retrofit2.http.DELETE;
 import retrofit2.http.GET;
@@ -206,4 +209,8 @@ public interface ApiService {
 
     @POST("groups/{gid}/quests/leave")
     Observable<Void> leaveQuest(@Path("gid") String groupId);
+
+    @POST("/iap/android/verify")
+    Call<PurchaseValidationResult> validatePurchase(@Body PurchaseValidationRequest request);
+
 }

Habitica/src/main/java/com/magicmicky/habitrpgwrapper/lib/api/InAppPurchasesApiService.java

@@ -1,18 +0,0 @@
-package com.magicmicky.habitrpgwrapper.lib.api;
-
-import com.magicmicky.habitrpgwrapper.lib.models.PurchaseValidationRequest;
-import com.magicmicky.habitrpgwrapper.lib.models.PurchaseValidationResult;
-
-import retrofit2.Call;
-import retrofit2.http.Body;
-import retrofit2.http.POST;
-import retrofit2.http.Query;
-
-
-/**
- * Created by Negue on 27.11.2015.
- */
-public interface InAppPurchasesApiService {
-    @POST("iap/android/verify")
-    Call<PurchaseValidationResult> validatePurchase(@Query("_id") String id, @Query("apiToken") String apiToken, @Body PurchaseValidationRequest request);
-}

Habitica/src/main/java/com/magicmicky/habitrpgwrapper/lib/utils/BooleanAsIntAdapter.java

@@ -0,0 +1,38 @@
+package com.magicmicky.habitrpgwrapper.lib.utils;
+
+import com.google.gson.TypeAdapter;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonToken;
+import com.google.gson.stream.JsonWriter;
+
+import java.io.IOException;
+
+public class BooleanAsIntAdapter extends TypeAdapter<Boolean> {
+
+    @Override
+    public void write(JsonWriter out, Boolean value) throws IOException {
+        if (value == null) {
+            out.nullValue();
+        } else {
+            out.value(value);
+        }
+    }
+
+    @Override
+    public Boolean read(JsonReader in) throws IOException {
+        JsonToken peek = in.peek();
+        switch (peek) {
+            case BOOLEAN:
+                return in.nextBoolean();
+            case NULL:
+                in.nextNull();
+                return null;
+            case NUMBER:
+                return in.nextInt() != 0;
+            case STRING:
+                return Boolean.parseBoolean(in.nextString());
+            default:
+                throw new IllegalStateException("Expected BOOLEAN or NUMBER but was " + peek);
+        }
+    }
+}