Added Picure in picture

app/src/main/AndroidManifest.xml

@@ -224,7 +224,8 @@
 
         <activity
             android:name=".activity.VideoplayerActivity"
-            android:configChanges="keyboardHidden|orientation"
+            android:configChanges="keyboardHidden|orientation|screenSize|screenLayout|smallestScreenSize"
+            android:supportsPictureInPicture="true"
             android:screenOrientation="sensorLandscape">
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"

app/src/main/java/de/danoeh/antennapod/activity/MediaplayerActivity.java

@@ -38,6 +38,7 @@ import de.danoeh.antennapod.core.feed.FeedItem;
 import de.danoeh.antennapod.core.feed.FeedMedia;
 import de.danoeh.antennapod.core.preferences.UserPreferences;
 import de.danoeh.antennapod.core.service.playback.PlaybackService;
+import de.danoeh.antennapod.core.service.playback.PlayerStatus;
 import de.danoeh.antennapod.core.storage.DBReader;
 import de.danoeh.antennapod.core.storage.DBTasks;
 import de.danoeh.antennapod.core.storage.DBWriter;
@@ -225,9 +226,11 @@ public abstract class MediaplayerActivity extends CastEnabledActivity implements
 
     @Override
     protected void onPause() {
-        if(controller != null) {
-            controller.reinitServiceIfPaused();
-            controller.pause();
+        if (Build.VERSION.SDK_INT < 26 || !isInPictureInPictureMode()) {
+            if (controller != null) {
+                controller.reinitServiceIfPaused();
+                controller.pause();
+            }
         }
         super.onPause();
     }

app/src/main/java/de/danoeh/antennapod/activity/VideoplayerActivity.java

@@ -9,6 +9,8 @@ import android.os.Handler;
 import android.support.v4.view.WindowCompat;
 import android.util.Log;
 import android.util.Pair;
+import android.view.Menu;
+import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.SurfaceHolder;
 import android.view.View;
@@ -96,9 +98,12 @@ public class VideoplayerActivity extends MediaplayerActivity {
 
     @Override
     protected void onPause() {
-        videoControlsHider.stop();
-        if (controller != null && controller.getStatus() == PlayerStatus.PLAYING) {
-            controller.pause();
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N
+                || !isInPictureInPictureMode()) {
+            videoControlsHider.stop();
+            if (controller != null && controller.getStatus() == PlayerStatus.PLAYING) {
+                controller.pause();
+            }
         }
         super.onPause();
     }
@@ -175,6 +180,10 @@ public class VideoplayerActivity extends MediaplayerActivity {
 
     View.OnTouchListener onVideoviewTouched = (v, event) -> {
         if (event.getAction() == MotionEvent.ACTION_DOWN) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N
+                    && isInPictureInPictureMode()) {
+                return true;
+            }
             videoControlsHider.stop();
             toggleVideoControlsVisibility();
             if (videoControlsShowing) {
@@ -349,6 +358,26 @@ public class VideoplayerActivity extends MediaplayerActivity {
         }
     }
 
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        super.onPrepareOptionsMenu(menu);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            menu.findItem(R.id.player_go_to_picture_in_picture).setVisible(true);
+        }
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == R.id.player_go_to_picture_in_picture) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                enterPictureInPictureMode();
+            }
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
     private static class VideoControlsHider extends Handler {
 
         private static final int DELAY = 2500;

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

@@ -41,6 +41,14 @@
         android:title="@string/visit_website_label"
         android:visible="false">
     </item>
+
+    <item
+            android:id="@+id/player_go_to_picture_in_picture"
+            custom:showAsAction="collapseActionView"
+            android:title="@string/player_go_to_picture_in_picture"
+            android:visible="false">
+    </item>
+
     <item
         android:id="@+id/share_item"
         android:icon="?attr/social_share"

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

@@ -234,6 +234,7 @@
     <string name="no_media_playing_label">No media playing</string>
     <string name="position_default_label" translate="false">00:00:00</string>
     <string name="player_buffering_msg">Buffering</string>
+    <string name="player_go_to_picture_in_picture">Picture-in-picture mode</string>
     <string name="playbackservice_notification_title">Playing podcast</string>
     <string name="unknown_media_key">AntennaPod - Unknown media key: %1$d</string>