Android 12 support, update AndroidX libraries (#2367)

* Android 12 support, update AndroidX libraries

* fix ktlint

* add Android 12 splash screen support

* fix comments in MainActivity

* remove deprecated Intent.ACTION_CLOSE_SYSTEM_DIALOGS

* delete TimelineViewModelTest

* fix notifications on Android 12

* improve splash screen

* handle pending intent flags in a dedicated function

app/src/main/AndroidManifest.xml

@@ -20,20 +20,7 @@
         android:supportsRtl="true"
         android:theme="@style/TuskyTheme"
         android:usesCleartextTraffic="false">
-        <activity
-            android:name=".SplashActivity"
-            android:theme="@style/SplashTheme">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
 
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-
-            <meta-data
-                android:name="android.app.shortcuts"
-                android:resource="@xml/share_shortcuts" />
-
-        </activity>
         <activity
             android:name=".components.login.LoginActivity"
             android:windowSoftInputMode="adjustResize">
@@ -41,7 +28,15 @@
         <activity android:name=".components.login.LoginWebViewActivity" />
         <activity
             android:name=".MainActivity"
-            android:configChanges="orientation|screenSize|keyboardHidden|screenLayout|smallestScreenSize">
+            android:configChanges="orientation|screenSize|keyboardHidden|screenLayout|smallestScreenSize"
+            android:theme="@style/SplashTheme"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+
             <intent-filter>
                 <action android:name="android.intent.action.SEND" />
 
@@ -88,6 +83,9 @@
             <meta-data
                 android:name="android.service.chooser.chooser_target_service"
                 android:value="androidx.sharetarget.ChooserTargetServiceCompat" />
+            <meta-data
+                android:name="android.app.shortcuts"
+                android:resource="@xml/share_shortcuts" />
 
         </activity>
         <activity
@@ -97,7 +95,6 @@
         <activity
             android:name=".ViewThreadActivity"
             android:configChanges="orientation|screenSize" />
-        <activity android:name=".ViewTagActivity" />
         <activity
             android:name=".ViewMediaActivity"
             android:theme="@style/TuskyBaseTheme" />
@@ -115,7 +112,8 @@
             android:theme="@style/Base.Theme.AppCompat" />
         <activity
             android:name=".components.search.SearchActivity"
-            android:launchMode="singleTop">
+            android:launchMode="singleTop"
+            android:exported="false">
             <intent-filter>
                 <action android:name="android.intent.action.SEARCH" />
             </intent-filter>
@@ -125,7 +123,6 @@
                 android:resource="@xml/searchable" />
         </activity>
         <activity android:name=".ListsActivity" />
-        <activity android:name=".ModalTimelineActivity" />
         <activity android:name=".LicenseActivity" />
         <activity android:name=".FiltersActivity" />
         <activity
@@ -136,7 +133,8 @@
         <activity android:name=".components.announcements.AnnouncementsActivity" />
         <activity android:name=".components.drafts.DraftsActivity" />
 
-        <receiver android:name=".receiver.NotificationClearBroadcastReceiver" />
+        <receiver android:name=".receiver.NotificationClearBroadcastReceiver"
+            android:exported="false" />
         <receiver
             android:name=".receiver.SendStatusBroadcastReceiver"
             android:enabled="true"
@@ -147,13 +145,15 @@
             android:icon="@drawable/ic_tusky"
             android:label="Compose Toot"
             android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"
+            android:exported="true"
             tools:targetApi="24">
             <intent-filter>
                 <action android:name="android.service.quicksettings.action.QS_TILE" />
             </intent-filter>
         </service>
 
-        <service android:name=".service.SendTootService" />
+        <service android:name=".service.SendTootService"
+            android:exported="false" />
 
         <provider
             android:name="androidx.core.content.FileProvider"
@@ -167,10 +167,16 @@
 
         <!-- disable automatic WorkManager initialization -->
         <provider
-            android:name="androidx.work.impl.WorkManagerInitializer"
-            android:authorities="${applicationId}.workmanager-init"
+            android:name="androidx.startup.InitializationProvider"
+            android:authorities="${applicationId}.androidx-startup"
             android:exported="false"
-            tools:node="remove" />
+            tools:node="merge">
+            <meta-data
+                android:name="androidx.work.WorkManagerInitializer"
+                android:value="androidx.startup"
+                tools:node="remove" />
+        </provider>
+
     </application>
 
 </manifest>