Reset FAB position option in ViewPostDetailActivity.

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewPostDetailActivity.java

@@ -12,6 +12,7 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.view.KeyEvent;
+import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewTreeObserver;
@@ -287,9 +288,7 @@ public class ViewPostDetailActivity extends BaseActivity implements SortTypeSele
     }
 
     public void setTitle(String title) {
-        if (binding.toolbarViewPostDetailActivity != null) {
-            binding.toolbarViewPostDetailActivity.setTitle(title);
-        }
+        binding.toolbarViewPostDetailActivity.setTitle(title);
     }
 
     public void showFab() {
@@ -737,11 +736,21 @@ public class ViewPostDetailActivity extends BaseActivity implements SortTypeSele
         }
     }
 
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.view_post_detail_activity, menu);
+        applyMenuItemTheme(menu);
+        return true;
+    }
+
     @Override
     public boolean onOptionsItemSelected(@NonNull MenuItem item) {
         if (item.getItemId() == android.R.id.home) {
             onBackPressed();
             return true;
+        } else if (item.getItemId() == R.id.action_reset_fab_position_view_post_detail_activity) {
+            binding.fabViewPostDetailActivity.resetCoordinates();
+            return true;
         }
         return false;
     }

app/src/main/java/ml/docilealligator/infinityforreddit/customviews/MovableFloatingActionButton.java

@@ -102,13 +102,13 @@ public class MovableFloatingActionButton extends FloatingActionButton implements
             newY = Math.max(layoutParams.topMargin, newY); // Don't allow the FAB past the top of the parent
             newY = Math.min(parentHeight - viewHeight - layoutParams.bottomMargin, newY); // Don't allow the FAB past the bottom of the parent
 
+            saveCoordinates(newX, newY);
+
             view.animate()
                     .x(newX)
                     .y(newY)
                     .setDuration(0)
                     .start();
-
-            saveCoordinates(newX, newY);
             return true;
         } else if (action == MotionEvent.ACTION_UP) {
             if (longClicked) {
@@ -177,6 +177,29 @@ public class MovableFloatingActionButton extends FloatingActionButton implements
         }
     }
 
+    public void resetCoordinates() {
+        if (portrait) {
+            if (postDetailsSharedPreferences != null) {
+                postDetailsSharedPreferences
+                        .edit()
+                        .remove(SharedPreferencesUtils.getPostDetailFabPortraitX(display))
+                        .remove(SharedPreferencesUtils.getPostDetailFabPortraitY(display))
+                        .apply();
+            }
+        } else {
+            if (postDetailsSharedPreferences != null) {
+                postDetailsSharedPreferences
+                        .edit()
+                        .remove(SharedPreferencesUtils.getPostDetailFabLandscapeX(display))
+                        .remove(SharedPreferencesUtils.getPostDetailFabLandscapeY(display))
+                        .apply();
+            }
+        }
+
+        setTranslationX(0);
+        setTranslationY(0);
+    }
+
     private void saveCoordinates(float x, float y) {
         if (postDetailsSharedPreferences == null) {
             return;

app/src/main/res/menu/view_post_detail_activity.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/action_reset_fab_position_view_post_detail_activity"
+        android:orderInCategory="100"
+        android:title="@string/action_reset_fab_position"
+        app:showAsAction="never" />
+</menu>

app/src/main/res/values/strings.xml

@@ -98,6 +98,7 @@
     <string name="action_contact_mods">Contact Mods</string>
     <string name="action_more_options">More Options</string>
     <string name="action_add_to_home_screen">Add to Home screen</string>
+    <string name="action_reset_fab_position">Reset FAB position</string>
 
     <string name="parse_json_response_error">Error occurred when parsing the JSON response</string>
     <string name="retrieve_token_error">Error Retrieving the token</string>