put the play video button into the horizontal center

Author: theScrabi

.idea/misc.xml

@@ -8,8 +8,8 @@ android {
         applicationId "org.schabi.newpipe"
         minSdkVersion 15
         targetSdkVersion 23
-        versionCode 3
-        versionName "0.4.0"
+        versionCode 4
+        versionName "0.4.1"
     }
     buildTypes {
         release {

app/build.gradle

@@ -12,6 +12,7 @@
 import android.support.v7.app.ActionBar;
 import android.text.Html;
 import android.text.method.LinkMovementMethod;
+import android.util.DisplayMetrics;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -271,7 +272,7 @@ public void onActivityCreated(Bundle savedInstanceBundle) {
         FloatingActionButton playVideoButton = (FloatingActionButton) getActivity().findViewById(R.id.playVideoButton);
 
         if(PreferenceManager.getDefaultSharedPreferences(getActivity())
-                .getBoolean(getString(R.string.leftHandLayout), false)) {
+                .getBoolean(getString(R.string.leftHandLayout), false) && checkIfLandscape()) {
             RelativeLayout.LayoutParams oldLayout = (RelativeLayout.LayoutParams) playVideoButton.getLayoutParams();
             RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
                     RelativeLayout.LayoutParams.WRAP_CONTENT,
@@ -289,4 +290,10 @@ public void onClick(View v) {
             }
         });
     }
+
+    public boolean checkIfLandscape() {
+        DisplayMetrics displayMetrics = new DisplayMetrics();
+        getActivity().getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
+        return displayMetrics.heightPixels < displayMetrics.widthPixels;
+    }
 }

app/src/main/java/org/schabi/newpipe/VideoItemDetailFragment.java

@@ -141,8 +141,8 @@
     </ScrollView>
     <android.support.design.widget.FloatingActionButton
         android:id="@+id/playVideoButton"
-        android:layout_alignParentRight="true"
         android:layout_alignParentBottom="true"
+        android:layout_centerHorizontal="true"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         app:backgroundTint="@color/primaryColorYoutube"