Added download qr. Added invite by qr.

Habitica/AndroidManifest.xml

@@ -14,7 +14,7 @@
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.INTERNET" />
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="com.android.vending.BILLING" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
@@ -162,4 +162,5 @@
         </provider>
     </application>
 
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 </manifest>

Habitica/res/layout/fragment_party_invite.xml

@@ -12,6 +12,7 @@
         android:layout_height="wrap_content"
         android:layout_margin="@dimen/row_padding"
         style="@style/CardTitle"/>
+
     <LinearLayout
         android:id="@+id/invitationWrapper"
         android:layout_width="match_parent"
@@ -20,6 +21,7 @@
         android:clickable="false"
         android:layout_marginLeft="@dimen/row_padding"
         android:layout_marginRight="@dimen/row_padding" />
+
     <Button
         android:id="@+id/addInviteButton"
         android:layout_width="wrap_content"
@@ -27,5 +29,15 @@
         android:layout_gravity="right"
         android:text="@string/add_invites"
         android:layout_margin="@dimen/row_padding" />
+
+    <Button
+        android:id="@+id/InviteByQR"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Scan a QR Code"
+        style="@style/Widget.AppCompat.Button.Colored"
+        android:layout_margin="20dp"
+        android:layout_gravity="center_horizontal|bottom"
+        />
 </LinearLayout>
 </ScrollView>

Habitica/res/layout/qr_code.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+</LinearLayout>

Habitica/res/values/strings.xml

@@ -376,4 +376,10 @@ To start, which parts of your life do you want to improve?</string>
     <string name="gems_plural">gold</string>
     <string name="chat_message_copied">Message copied to Clipboard</string>
     <string name="copy_chat_message">Copy to clipboard</string>
+
+    <!-- QR Strings -->
+    <string name="qr_album_name">habitica</string>
+    <string name="qr_file_name"> habitrpg-qr-code.jpg</string>
+    <string name="qr_save_message">QR code saved at </string>
+
 </resources>

Habitica/src/main/java/com/habitrpg/android/habitica/helpers/QrCodeManager.java

@@ -0,0 +1,101 @@
+package com.habitrpg.android.habitica.helpers;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.graphics.Bitmap;
+import android.media.Image;
+import android.os.Environment;
+import android.support.v7.preference.PreferenceManager;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.Toast;
+
+import com.habitrpg.android.habitica.R;
+
+import net.glxn.qrgen.android.QRCode;
+import net.glxn.qrgen.core.image.ImageType;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+/**
+ * Created by keithholliday on 8/12/16.
+ */
+public class QrCodeManager {
+
+    //@TODO: Allow users to set other content
+    private String content;
+    private Context context;
+
+    private String albumnName;
+    private String fileName;
+    private String saveMessage;
+
+    public QrCodeManager(Context context) {
+        this.context = context;
+
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this.context);
+        String userId = prefs.getString(this.context.getString(R.string.SP_userID), "");
+
+        this.albumnName = this.context.getString(R.string.qr_album_name);
+        this.fileName = this.context.getString(R.string.qr_file_name);
+        this.saveMessage = this.context.getString(R.string.qr_save_message);
+
+        this.content = userId;
+    }
+
+    public void displayQrCode(ImageView qrImageView) {
+        if (qrImageView == null) {
+            return;
+        }
+
+        Bitmap myBitmap = QRCode.from(this.content).bitmap();
+        qrImageView.setImageBitmap(myBitmap);
+    }
+
+    public void downloadQr(Button qRDownloadButton) {
+        if (qRDownloadButton == null) {
+            return;
+        }
+
+        qRDownloadButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                File dir = getAlbumStorageDir(context, albumnName);
+                dir.mkdirs();
+
+                File pathToQRCode = new File(dir, fileName);
+                try {
+                    pathToQRCode.createNewFile();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+
+                ByteArrayOutputStream qrStream = QRCode.from(content).to(ImageType.JPG).stream();
+
+                try {
+                    FileOutputStream outputStream = new FileOutputStream(pathToQRCode);
+                    qrStream.writeTo(outputStream);
+                    outputStream.close();
+
+                    Toast.makeText(context, saveMessage + pathToQRCode.getPath(),
+                            Toast.LENGTH_LONG).show();
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        });
+    }
+
+    private File getAlbumStorageDir(Context context, String albumName) {
+        // Get the directory for the app's private pictures directory.
+        File file = new File(context.getExternalFilesDir(
+                Environment.DIRECTORY_PICTURES), albumName);
+        file.mkdirs();
+        return file;
+    }
+}

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

@@ -33,6 +33,8 @@ import com.habitrpg.android.habitica.events.commands.SellItemCommand;
 import com.habitrpg.android.habitica.events.commands.UnlockPathCommand;
 import com.habitrpg.android.habitica.events.commands.UpdateUserCommand;
 import com.habitrpg.android.habitica.helpers.notifications.PushNotificationManager;
+import com.habitrpg.android.habitica.prefs.scanner.IntentIntegrator;
+import com.habitrpg.android.habitica.prefs.scanner.IntentResult;
 import com.habitrpg.android.habitica.ui.AvatarView;
 import com.habitrpg.android.habitica.ui.AvatarWithBarsViewModel;
 import com.habitrpg.android.habitica.ui.TutorialView;
@@ -124,6 +126,7 @@ import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import java.io.File;
 import java.util.ArrayList;

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

@@ -1,8 +1,13 @@
 package com.habitrpg.android.habitica.ui.activities;
 
+import com.habitrpg.android.habitica.APIHelper;
 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.habitrpg.android.habitica.ui.fragments.social.party.PartyInviteFragment;
+import com.magicmicky.habitrpgwrapper.lib.models.HabitRPGUser;
 
 import android.app.Activity;
 import android.content.Intent;
@@ -11,20 +16,34 @@ import android.support.design.widget.TabLayout;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentPagerAdapter;
 import android.support.v4.view.ViewPager;
+import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
+import android.widget.Toast;
 
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
+
+import javax.inject.Inject;
 
 import butterknife.BindView;
 
-public class PartyInviteActivity extends BaseActivity {
+public class PartyInviteActivity extends BaseActivity implements HabitRPGUserCallback.OnUserReceived {
 
     public static final int RESULT_SEND_INVITES = 100;
     public static final String USER_IDS_KEY = "userIDs";
     public static final String IS_EMAIL_KEY = "isEmail";
     public static final String EMAILS_KEY = "emails";
+
+    private HabitRPGUser user;
+    private String userIdToInvite;
+
+    @Inject
+    APIHelper apiHelper;
+
     @BindView(R.id.tab_layout)
     TabLayout tabLayout;
 
@@ -129,4 +148,42 @@ public class PartyInviteActivity extends BaseActivity {
             tabLayout.setupWithViewPager(viewPager);
         }
     }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+
+        IntentResult scanningResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
+
+        if (scanningResult != null) {
+            userIdToInvite = scanningResult.getContents();
+
+            //@TODO: Inject the user
+            this.apiHelper.apiService.getUser()
+                    .compose(this.apiHelper.configureApiCallObserver())
+                    .subscribe(new HabitRPGUserCallback(this), throwable -> {});
+
+        }
+    }
+
+    @Override
+    public void onUserReceived(HabitRPGUser user) {
+        this.user = user;
+
+
+        Toast toast = Toast.makeText(getApplicationContext(),
+                userIdToInvite, Toast.LENGTH_SHORT);
+        toast.show();
+
+        Map<String, Object> inviteData = new HashMap<>();
+        List<String> invites = new ArrayList<>();
+        invites.add(userIdToInvite);
+        inviteData.put("uuids", invites);
+
+        this.apiHelper.apiService.inviteToGroup(this.user.getParty().getId(), inviteData)
+                .compose(apiHelper.configureApiCallObserver())
+                .subscribe(aVoid -> {
+                }, throwable -> {
+                });
+    }
 }

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

@@ -1,12 +1,15 @@
 package com.habitrpg.android.habitica.ui.fragments.preferences;
 
 import com.habitrpg.android.habitica.R;
+import com.habitrpg.android.habitica.helpers.QrCodeManager;
 
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.graphics.Bitmap;
 import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceManager;
 import android.util.Log;
 import android.view.View;
 import android.widget.ImageView;
@@ -29,14 +32,10 @@ public class AccountDetailsFragment extends BasePreferencesFragment {
             }
         }
 
-        displayQRCode();
-    }
-
-    protected void displayQRCode() {
-        Bitmap myBitmap = QRCode.from(getString(R.string.SP_userID)).bitmap();
-        ImageView myImage = (ImageView) getActivity().findViewById(R.id.imageView);
-        myImage.setVisibility(View.VISIBLE);
-        myImage.setImageBitmap(myBitmap);
+        ImageView qrImageView = (ImageView) getActivity().findViewById(R.id.imageView);
+        QrCodeManager qrCodeManager = new QrCodeManager(this.getContext());
+        qrCodeManager.displayQrCode(qrImageView);
+//        qrCodeManager.downloadQr(qRDownloadButton);
     }
 
     protected List<String> getAccountDetailsPreferences() {

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

@@ -5,6 +5,8 @@ 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.helpers.QrCodeManager;
+import com.habitrpg.android.habitica.prefs.scanner.IntentIntegrator;
 import com.habitrpg.android.habitica.ui.adapter.social.QuestCollectRecyclerViewAdapter;
 import com.habitrpg.android.habitica.ui.fragments.BaseFragment;
 import com.magicmicky.habitrpgwrapper.lib.models.Group;
@@ -13,11 +15,15 @@ import com.magicmicky.habitrpgwrapper.lib.models.inventory.QuestContent;
 
 import android.app.AlertDialog;
 import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
 import android.databinding.DataBindingUtil;
 import android.graphics.Bitmap;
 import android.os.Bundle;
+import android.os.Environment;
 import android.support.annotation.Nullable;
 import android.support.v4.content.ContextCompat;
+import android.support.v7.preference.PreferenceManager;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
@@ -33,14 +39,10 @@ import android.widget.Toast;
 import net.glxn.qrgen.android.QRCode;
 import net.glxn.qrgen.core.image.ImageType;
 
+import java.io.ByteArrayOutputStream;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.nio.channels.FileChannel;
 
 import javax.inject.Inject;
 
@@ -52,6 +54,7 @@ public class GroupInformationFragment extends BaseFragment {
 
 
     FragmentGroupInfoBinding viewBinding;
+
     @Inject
     APIHelper apiHelper;
 
@@ -116,7 +119,9 @@ public class GroupInformationFragment extends BaseFragment {
         bossRageBar = DataBindingUtil.bind(view.findViewById(R.id.bossRageBar));
 
         if (this.group == null) {
-            displayQRCode();
+            QrCodeManager qrCodeManager = new QrCodeManager(this.getContext());
+            qrCodeManager.displayQrCode(qrImageView);
+            qrCodeManager.downloadQr(qRDownloadButton);
         }
 
         return view;
@@ -321,40 +326,4 @@ public class GroupInformationFragment extends BaseFragment {
                 });
         builder.show();
     }
-
-    protected void displayQRCode() {
-        Bitmap myBitmap = QRCode.from(getString(R.string.SP_userID)).bitmap();
-
-        if (qrImageView != null) {
-            qrImageView.setImageBitmap(myBitmap);
-        }
-
-        if (qRDownloadButton != null) {
-            qRDownloadButton.setOnClickListener(new View.OnClickListener() {
-                @Override
-                public void onClick(View view) {
-                    File path = new File(getActivity().getFilesDir(), "habitrpg-qr-code");
-                    File file = QRCode.from(getString(R.string.SP_userID)).to(ImageType.JPG).file();
-                    file.renameTo(path);
-                    Toast.makeText(getActivity(), "QR code saved at " + path.getPath(),
-                            Toast.LENGTH_LONG).show();
-                }
-            });
-        }
-    }
-
-    public static void copyFile(File src, File dst) throws IOException
-    {
-        FileChannel inChannel = new FileInputStream(src).getChannel();
-        FileChannel outChannel = new FileOutputStream(dst).getChannel();
-        try {
-            inChannel.transferTo(0, inChannel.size(), outChannel);
-        } finally {
-            if (inChannel != null)
-                inChannel.close();
-            if (outChannel != null)
-                outChannel.close();
-        }
-    }
-
 }

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

@@ -2,6 +2,7 @@ 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.prefs.scanner.IntentIntegrator;
 import com.habitrpg.android.habitica.ui.fragments.BaseFragment;
 
 import android.os.Bundle;
@@ -57,6 +58,7 @@ public class PartyInviteFragment extends BaseFragment {
     @OnClick(R.id.addInviteButton)
     public void addInviteField() {
         EditText editText = new EditText(getContext());
+
         if (isEmailInvite) {
             editText.setHint(R.string.email);
             editText.setInputType(InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
@@ -66,6 +68,12 @@ public class PartyInviteFragment extends BaseFragment {
         invitationWrapper.addView(editText);
     }
 
+    @OnClick(R.id.InviteByQR)
+    public void startQRInvite() {
+        IntentIntegrator scanIntegrator = new IntentIntegrator(getActivity());
+        scanIntegrator.initiateScan();
+    }
+
     public String[] getValues() {
         List<String> values = new ArrayList<>();
         for (int i = 0; i < invitationWrapper.getChildCount(); i++) {