diff --git a/Habitica/build.gradle b/Habitica/build.gradle
index 9b19c603b..c1631b15f 100644
--- a/Habitica/build.gradle
+++ b/Habitica/build.gradle
@@ -51,10 +51,10 @@ dependencies {
     compileOnly 'javax.annotation:javax.annotation-api:1.3.2'
     compileOnly 'com.github.pengrad:jdk9-deps:1.0'
     //App Compatibility and Material Design
-    implementation 'androidx.appcompat:appcompat:1.4.0'
-    implementation 'com.google.android.material:material:1.4.0'
+    implementation 'androidx.appcompat:appcompat:1.4.1'
+    implementation 'com.google.android.material:material:1.5.0'
     implementation 'androidx.recyclerview:recyclerview:1.2.1'
-    implementation "androidx.preference:preference-ktx:1.1.1"
+    implementation "androidx.preference:preference-ktx:1.2.0"
 
 
     // Markdown
@@ -121,10 +121,10 @@ dependencies {
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.0"
     implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.4.0"
     implementation "androidx.lifecycle:lifecycle-common-java8:2.4.0"
-    implementation 'androidx.navigation:navigation-fragment-ktx:2.3.5'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.3.5'
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.4.0'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.4.0'
     implementation 'com.plattysoft.leonids:LeonidsLib:1.3.2'
-    implementation "androidx.fragment:fragment-ktx:1.4.0"
+    implementation "androidx.fragment:fragment-ktx:1.4.1"
     implementation "androidx.paging:paging-runtime-ktx:3.1.0"
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.0'
@@ -142,7 +142,7 @@ dependencies {
 
 android {
     compileSdkVersion 32
-    buildToolsVersion '30.0.2'
+    buildToolsVersion '30.0.3'
     testOptions {
         unitTests {
             includeAndroidResources = true
@@ -157,7 +157,7 @@ android {
         buildConfigField "String", "TESTING_LEVEL", "\"production\""
         resConfigs "en", "bg", "de", "en-rGB", "es", "fr", "hr-rHR", "in", "it", "iw", "ja", "ko", "lt", "nl", "pl", "pt-rBR", "pt-rPT", "ru", "tr", "zh", "zh-rTW"
 
-        versionCode 3218
+        versionCode 3221
         versionName "3.5"
 
         targetSdkVersion 32
@@ -382,8 +382,8 @@ def mainSrc = "${project.projectDir}/src/main/java"
 task jacocoTestReport(type: JacocoReport, dependsOn: 'testProdDebugUnitTest') {
     group = "Reporting"
     reports {
-        html.enabled = true
-        xml.enabled = true
+        html.required.set(true)
+        xml.required.set(true)
         //html.destination = "${buildDir}/reports/jacoco"
     }
 
@@ -404,7 +404,6 @@ task jacocoTestReport(type: JacocoReport, dependsOn: 'testProdDebugUnitTest') {
 task ktlint(type: JavaExec, group: "verification") {
     description = "Check Kotlin code style."
     classpath = configurations.ktlint
-    main = "com.pinterest.ktlint.Main"
     args "--disabled_rules=no-wildcard-imports", "--reporter=plain?group_by_file", "src/**/*.kt"
     // to generate report in checkstyle format prepend following args:
     // "--reporter=plain", "--reporter=checkstyle,output=${buildDir}/ktlint.xml"
@@ -417,6 +416,5 @@ check.dependsOn ktlint
 task ktlintFormat(type: JavaExec, group: "formatting") {
     description = "Fix Kotlin code style deviations."
     classpath = configurations.ktlint
-    main = "com.pinterest.ktlint.Main"
     args "--disabled_rules=no-wildcard-imports", "-F", "src/**/*.kt"
 }
diff --git a/Habitica/res/navigation/navigation.xml b/Habitica/res/navigation/navigation.xml
index 25342e65e..95648dfb3 100644
--- a/Habitica/res/navigation/navigation.xml
+++ b/Habitica/res/navigation/navigation.xml
@@ -464,7 +464,7 @@
         <argument
             android:name="url"
             app:argType="string" />
-        <deepLink app:uri="habitica.com/promo/web" />
+        <deepLink app:uri="habitica.com/promo/web?url={url}" />
     </fragment>
     <fragment
         android:id="@+id/teamBoardFragment"
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/helpers/TaskAlarmManager.kt b/Habitica/src/main/java/com/habitrpg/android/habitica/helpers/TaskAlarmManager.kt
index ce2a67a2a..372efb8ef 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/helpers/TaskAlarmManager.kt
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/helpers/TaskAlarmManager.kt
@@ -121,6 +121,7 @@ class TaskAlarmManager(private var context: Context, private var taskRepository:
         const val TASK_NAME_INTENT_KEY = "TASK_NAME"
 
         fun scheduleDailyReminder(context: Context?) {
+            if (context == null) return
             val prefs = PreferenceManager.getDefaultSharedPreferences(context)
             if (prefs.getBoolean("use_reminder", false)) {
                 val timeval = prefs.getString("reminder_time", "19:00")
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/modules/AppModule.kt b/Habitica/src/main/java/com/habitrpg/android/habitica/modules/AppModule.kt
index b4a8d3de5..ddb99448a 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/modules/AppModule.kt
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/modules/AppModule.kt
@@ -34,7 +34,7 @@ class AppModule(private val application: Application) {
 
     @Provides
     @Singleton
-    fun provideSharedPreferences(context: Context?): SharedPreferences {
+    fun provideSharedPreferences(context: Context): SharedPreferences {
         return PreferenceManager.getDefaultSharedPreferences(context)
     }
 
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/prefs/TimePreference.kt b/Habitica/src/main/java/com/habitrpg/android/habitica/prefs/TimePreference.kt
index 7635262ad..fb2900833 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/prefs/TimePreference.kt
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/prefs/TimePreference.kt
@@ -7,7 +7,7 @@ import androidx.preference.DialogPreference
 import java.text.DateFormat
 import java.util.*
 
-class TimePreference(ctxt: Context?, attrs: AttributeSet?) : DialogPreference(ctxt, attrs) {
+class TimePreference(ctxt: Context, attrs: AttributeSet?) : DialogPreference(ctxt, attrs) {
     private var timeval: String? = null
     override fun onGetDefaultValue(a: TypedArray, index: Int): Any {
         return a.getString(index)!!
@@ -39,7 +39,7 @@ class TimePreference(ctxt: Context?, attrs: AttributeSet?) : DialogPreference(ct
             }
         }
 
-    override fun setSummary(summary: CharSequence) {
+    override fun setSummary(summary: CharSequence?) {
         val calendar = Calendar.getInstance(Locale.getDefault())
         calendar.set(Calendar.HOUR_OF_DAY, getHour(timeval))
         calendar.set(Calendar.MINUTE, getMinute(timeval))
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/AccountPreferenceFragment.kt b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/AccountPreferenceFragment.kt
index 1ef0a9cb9..57e75fbd0 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/AccountPreferenceFragment.kt
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/AccountPreferenceFragment.kt
@@ -64,11 +64,11 @@ class AccountPreferenceFragment: BasePreferencesFragment(),
 
     override fun onResume() {
         super.onResume()
-        preferenceManager.sharedPreferences.registerOnSharedPreferenceChangeListener(this)
+        preferenceManager.sharedPreferences?.registerOnSharedPreferenceChangeListener(this)
     }
 
     override fun onPause() {
-        preferenceManager.sharedPreferences.unregisterOnSharedPreferenceChangeListener(this)
+        preferenceManager.sharedPreferences?.unregisterOnSharedPreferenceChangeListener(this)
         super.onPause()
     }
 
@@ -130,8 +130,8 @@ class AccountPreferenceFragment: BasePreferencesFragment(),
         preference?.summary = value
     }
 
-    override fun onPreferenceTreeClick(preference: Preference?): Boolean {
-        when(preference?.key) {
+    override fun onPreferenceTreeClick(preference: Preference): Boolean {
+        when(preference.key) {
             "username" -> showLoginNameDialog()
             "confirm_username" -> showConfirmUsernameDialog()
             "email" -> {
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/DayStartPreferenceDialogFragment.kt b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/DayStartPreferenceDialogFragment.kt
index ddfecaa8c..b7f33cdff 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/DayStartPreferenceDialogFragment.kt
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/DayStartPreferenceDialogFragment.kt
@@ -33,7 +33,7 @@ class DayStartPreferenceDialogFragment : PreferenceDialogFragmentCompat() {
             return lastHour.toString() + ":00"
         }
 
-    override fun onCreateDialogView(context: Context?): View {
+    override fun onCreateDialogView(context: Context): View {
         val wrapper = LinearLayout(context)
         wrapper.orientation = LinearLayout.VERTICAL
         picker = TimePicker(context)
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/EmailNotificationsPreferencesFragment.kt b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/EmailNotificationsPreferencesFragment.kt
index 7d81ddb33..0e1910c6c 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/EmailNotificationsPreferencesFragment.kt
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/EmailNotificationsPreferencesFragment.kt
@@ -19,12 +19,12 @@ class EmailNotificationsPreferencesFragment : BasePreferencesFragment(), SharedP
 
     override fun onResume() {
         super.onResume()
-        preferenceScreen.sharedPreferences.registerOnSharedPreferenceChangeListener(this)
+        preferenceScreen.sharedPreferences?.registerOnSharedPreferenceChangeListener(this)
     }
 
     override fun onPause() {
         super.onPause()
-        preferenceScreen.sharedPreferences.unregisterOnSharedPreferenceChangeListener(this)
+        preferenceScreen.sharedPreferences?.unregisterOnSharedPreferenceChangeListener(this)
     }
 
     override fun setupPreferences() { /* no-on */ }
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/PreferencesFragment.kt b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/PreferencesFragment.kt
index 1c289f462..6702d0374 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/PreferencesFragment.kt
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/PreferencesFragment.kt
@@ -62,16 +62,16 @@ class PreferencesFragment : BasePreferencesFragment(), SharedPreferences.OnShare
 
     override fun setupPreferences() {
         timePreference = findPreference("reminder_time") as? TimePreference
-        val useReminder = preferenceManager.sharedPreferences.getBoolean("use_reminder", false)
-        timePreference?.isEnabled = useReminder
+        val useReminder = preferenceManager.sharedPreferences?.getBoolean("use_reminder", false)
+        timePreference?.isEnabled = useReminder ?: false
 
         pushNotificationsPreference = findPreference("pushNotifications") as? PreferenceScreen
-        val usePushNotifications = preferenceManager.sharedPreferences.getBoolean("usePushNotifications", true)
-        pushNotificationsPreference?.isEnabled = usePushNotifications
+        val usePushNotifications = preferenceManager.sharedPreferences?.getBoolean("usePushNotifications", true)
+        pushNotificationsPreference?.isEnabled = usePushNotifications ?: false
 
         emailNotificationsPreference = findPreference("emailNotifications") as? PreferenceScreen
-        val useEmailNotifications = preferenceManager.sharedPreferences.getBoolean("useEmailNotifications", true)
-        emailNotificationsPreference?.isEnabled = useEmailNotifications
+        val useEmailNotifications = preferenceManager.sharedPreferences?.getBoolean("useEmailNotifications", true)
+        emailNotificationsPreference?.isEnabled = useEmailNotifications ?: false
 
         classSelectionPreference = findPreference("choose_class")
 
@@ -80,7 +80,7 @@ class PreferencesFragment : BasePreferencesFragment(), SharedPreferences.OnShare
 
         serverUrlPreference = findPreference("server_url") as? ListPreference
         serverUrlPreference?.isVisible = false
-        serverUrlPreference?.summary = preferenceManager.sharedPreferences.getString("server_url", "")
+        serverUrlPreference?.summary = preferenceManager.sharedPreferences?.getString("server_url", "")
 
         val themePreference = findPreference("theme_name") as? ListPreference
         themePreference?.summary = themePreference?.entry ?: "Default"
@@ -101,11 +101,11 @@ class PreferencesFragment : BasePreferencesFragment(), SharedPreferences.OnShare
 
     override fun onResume() {
         super.onResume()
-        preferenceManager.sharedPreferences.registerOnSharedPreferenceChangeListener(this)
+        preferenceManager.sharedPreferences?.registerOnSharedPreferenceChangeListener(this)
     }
 
     override fun onPause() {
-        preferenceManager.sharedPreferences.unregisterOnSharedPreferenceChangeListener(this)
+        preferenceManager.sharedPreferences?.unregisterOnSharedPreferenceChangeListener(this)
         super.onPause()
     }
 
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/PushNotificationsPreferencesFragment.kt b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/PushNotificationsPreferencesFragment.kt
index 4de688c49..97a6eb276 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/PushNotificationsPreferencesFragment.kt
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/PushNotificationsPreferencesFragment.kt
@@ -19,12 +19,12 @@ class PushNotificationsPreferencesFragment : BasePreferencesFragment(), SharedPr
 
     override fun onResume() {
         super.onResume()
-        preferenceScreen.sharedPreferences.registerOnSharedPreferenceChangeListener(this)
+        preferenceScreen.sharedPreferences?.registerOnSharedPreferenceChangeListener(this)
     }
 
     override fun onPause() {
         super.onPause()
-        preferenceScreen.sharedPreferences.unregisterOnSharedPreferenceChangeListener(this)
+        preferenceScreen.sharedPreferences?.unregisterOnSharedPreferenceChangeListener(this)
     }
 
     override fun setupPreferences() { /* no-on */ }
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/TimePreferenceDialogFragment.kt b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/TimePreferenceDialogFragment.kt
index b9dc928a5..d7c97b50d 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/TimePreferenceDialogFragment.kt
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/fragments/preferences/TimePreferenceDialogFragment.kt
@@ -34,7 +34,7 @@ class TimePreferenceDialogFragment : PreferenceDialogFragmentCompat() {
             return lastHour.toString() + ":" + String.format(Locale.UK, "%02d", lastMinute)
         }
 
-    override fun onCreateDialogView(context: Context?): View {
+    override fun onCreateDialogView(context: Context): View {
         picker = TimePicker(context)
         picker.setIs24HourView(android.text.format.DateFormat.is24HourFormat(context))
         return picker
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/views/ExtraLabelPreference.kt b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/views/ExtraLabelPreference.kt
index 54ba9940e..4a5a5cdc7 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/ui/views/ExtraLabelPreference.kt
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/ui/views/ExtraLabelPreference.kt
@@ -8,7 +8,7 @@ import androidx.preference.PreferenceViewHolder
 import com.habitrpg.android.habitica.R
 
 class ExtraLabelPreference(
-    context: Context?,
+    context: Context,
     attrs: AttributeSet?
 ) : Preference(context, attrs) {
     var extraText: String? = null
@@ -18,9 +18,9 @@ class ExtraLabelPreference(
         layoutResource = R.layout.preference_button
     }
 
-    override fun onBindViewHolder(holder: PreferenceViewHolder?) {
+    override fun onBindViewHolder(holder: PreferenceViewHolder) {
         super.onBindViewHolder(holder)
-        val textView = holder?.itemView?.findViewById<TextView>(R.id.extra_label)
+        val textView = holder.itemView.findViewById<TextView>(R.id.extra_label)
         textView?.text = extraText
         extraTextColor?.let {
             textView?.setTextColor(it)
diff --git a/Habitica/src/main/java/com/habitrpg/android/habitica/widget/AddTaskWidgetProvider.kt b/Habitica/src/main/java/com/habitrpg/android/habitica/widget/AddTaskWidgetProvider.kt
index 9bff91d95..923b83bad 100644
--- a/Habitica/src/main/java/com/habitrpg/android/habitica/widget/AddTaskWidgetProvider.kt
+++ b/Habitica/src/main/java/com/habitrpg/android/habitica/widget/AddTaskWidgetProvider.kt
@@ -61,7 +61,7 @@ class AddTaskWidgetProvider : BaseWidgetProvider() {
     }
 
     private fun getSelectedTaskType(widgetId: Int): TaskType {
-        val preferences = PreferenceManager.getDefaultSharedPreferences(this.context)
-        return TaskType.from(preferences.getString("add_task_widget_$widgetId", TaskType.HABIT.value)) ?: TaskType.HABIT
+        val preferences = context?.let { PreferenceManager.getDefaultSharedPreferences(it) }
+        return TaskType.from(preferences?.getString("add_task_widget_$widgetId", TaskType.HABIT.value)) ?: TaskType.HABIT
     }
 }