Make ReaderPostPagerActivity fullscreen

WordPress/src/main/AndroidManifest.xml

@@ -535,7 +535,7 @@
         <activity
             android:name=".ui.reader.ReaderPostPagerActivity"
             android:excludeFromRecents="true"
-            android:theme="@style/WordPress.NoActionBar.NoEdgeToEdge"
+            android:theme="@style/ReaderPostPagerTheme"
             android:windowSoftInputMode="adjustResize" >
         </activity>
         <activity

WordPress/src/main/java/org/wordpress/android/ui/main/BaseAppCompatActivity.kt

@@ -26,6 +26,7 @@ import org.wordpress.android.ui.posts.EditPostActivity
 import org.wordpress.android.ui.posts.sharemessage.EditJetpackSocialShareMessageActivity
 import org.wordpress.android.ui.prefs.ExperimentalFeaturesActivity
 import org.wordpress.android.ui.reader.ReaderCommentListActivity
+import org.wordpress.android.ui.reader.ReaderPostPagerActivity
 import org.wordpress.android.ui.selfhostedusers.SelfHostedUsersActivity
 import org.wordpress.android.ui.sitemonitor.SiteMonitorParentActivity
 
@@ -91,6 +92,8 @@ private val excludedActivities = listOf(
     SiteMonitorParentActivity::class.java.name,
     SupportWebViewActivity::class.java.name,
 
+    ReaderPostPagerActivity::class.java.name,
+
     // these are excluded and use the NoEdgeToEdge style to avoid the keyboard overlapping
     // their editors
     EditPostActivity::class.java.name,

WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderPostPagerActivity.java

@@ -16,6 +16,7 @@
 import androidx.activity.OnBackPressedCallback;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.core.view.WindowCompat;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentStatePagerAdapter;
@@ -185,6 +186,7 @@ public void onCreate(@Nullable Bundle savedInstanceState) {
         ((WordPress) getApplication()).component().inject(this);
         mJetpackFullScreenViewModel = new ViewModelProvider(this).get(JetpackFeatureFullScreenOverlayViewModel.class);
 
+        WindowCompat.setDecorFitsSystemWindows(getWindow(), false);
         setContentView(R.layout.reader_activity_post_pager);
 
         OnBackPressedCallback callback = new OnBackPressedCallback(true) {

WordPress/src/main/res/values/reader_styles.xml

@@ -10,6 +10,10 @@
         <item name="android:windowFullscreen">true</item>
     </style>
 
+    <style name="ReaderPostPagerTheme" parent="WordPress.NoActionBar">
+        <item name="android:windowFullscreen">true</item>
+    </style>
+
     <style name="ReaderRecyclerView">
         <item name="android:background">@color/reader_post_list_background</item>
     </style>
@@ -47,7 +51,7 @@
         <item name="android:maxLines">1</item>
         <item name="android:alpha">@dimen/material_emphasis_high_type</item>
     </style>
-    
+
     <style name="ReaderTextView.Post.Title" parent="ReaderTextView">
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">wrap_content</item>