Support for displaying controls in Android Exoplayer

README.md

@@ -359,9 +359,9 @@ Determines whether to show player controls.
 
 Note on iOS, controls are always shown when in fullscreen mode.
 
-Controls are not available Android because the system does not provide a stock set of controls. You will need to build your own or use a package like [react-native-video-controls](https://github.com/itsnubix/react-native-video-controls) or [react-native-video-player](https://github.com/cornedor/react-native-video-player).
+For Android MediaPlayer, you will need to build your own controls or use a package like [react-native-video-controls](https://github.com/itsnubix/react-native-video-controls) or [react-native-video-player](https://github.com/cornedor/react-native-video-player).
 
-Platforms: iOS, react-native-dom
+Platforms: Android ExoPlayer, iOS, react-native-dom
 
 #### filter
 Add video filter

android-exoplayer/src/main/java/com/brentvatne/exoplayer/ReactExoplayerView.java

@@ -64,6 +64,7 @@
 import com.google.android.exoplayer2.upstream.DefaultBandwidthMeter;
 import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.android.exoplayer2.util.Util;
+import com.google.android.exoplayer2.ui.PlayerControlView;
 
 import java.net.CookieHandler;
 import java.net.CookieManager;
@@ -96,6 +97,9 @@ class ReactExoplayerView extends FrameLayout implements
     }
 
     private final VideoEventEmitter eventEmitter;
+    private PlayerControlView playerControlView;
+    private View playPauseControlContainer;
+    private Player.EventListener eventListener;
 
     private Handler mainHandler;
     private ExoPlayerView exoPlayerView;
@@ -257,6 +261,76 @@ public void onBandwidthSample(int elapsedMs, long bytes, long bitrate) {
     }
 
     // Internal methods
+
+    /**
+     * Toggling the visibility of the player control view 
+     */
+    private void togglePlayerControlVisibility() {
+        reLayout(playerControlView);
+        if (playerControlView.isVisible()) {
+            playerControlView.hide();
+        } else {
+            playerControlView.show();
+        }
+    }
+
+    /**
+     * Initializing Player control
+     */
+    private void initializePlayerControl() {
+        if (playerControlView == null) {
+            playerControlView = new PlayerControlView(getContext());
+        }
+
+        // Setting the player for the playerControlView
+        playerControlView.setPlayer(player);
+        playerControlView.show();
+        playPauseControlContainer = playerControlView.findViewById(R.id.exo_play_pause_container);
+
+        // Invoking onClick event for exoplayerView
+        exoPlayerView.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                togglePlayerControlVisibility();
+            }
+        });
+
+        // Invoking onPlayerStateChanged event for Player
+        eventListener = new Player.EventListener() {
+            @Override
+            public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
+                reLayout(playPauseControlContainer);
+                //Remove this eventListener once its executed. since UI will work fine once after the reLayout is done
+                player.removeListener(eventListener);
+            }
+        };
+        player.addListener(eventListener);
+    }
+
+    /**
+     * Adding Player control to the frame layout
+     */
+    private void addPlayerControl() {
+        LayoutParams layoutParams = new LayoutParams(
+                LayoutParams.MATCH_PARENT,
+                LayoutParams.MATCH_PARENT);
+        playerControlView.setLayoutParams(layoutParams);
+        addView(playerControlView, 1, layoutParams);
+    }
+
+    /**
+     * Update the layout
+     * @param view  view needs to update layout
+     *
+     * This is a workaround for the open bug in react-native: https://github.com/facebook/react-native/issues/17968
+     */
+    private void reLayout(View view) {
+        if (view == null) return;
+        view.measure(MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.EXACTLY),
+                MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.EXACTLY));
+        view.layout(view.getLeft(), view.getTop(), view.getMeasuredWidth(), view.getMeasuredHeight());
+    }
+
     private void initializePlayer() {
         if (player == null) {
             TrackSelection.Factory videoTrackSelectionFactory = new AdaptiveTrackSelection.Factory(BANDWIDTH_METER);
@@ -302,6 +376,9 @@ private void initializePlayer() {
             eventEmitter.loadStart();
             loadVideoStarted = true;
         }
+
+        // Initializing the playerControlView
+        initializePlayerControl();
     }
 
     private MediaSource buildMediaSource(Uri uri, String overrideExtension) {
@@ -517,6 +594,10 @@ public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
                 onBuffering(false);
                 startProgressHandler();
                 videoLoaded();
+                //Setting the visibility for the playerControlView
+                if(playerControlView != null) {
+                    playerControlView.show();
+                }
                 break;
             case ExoPlayer.STATE_ENDED:
                 text += "ended";
@@ -1056,4 +1137,17 @@ public void setBufferConfig(int newMinBufferMs, int newMaxBufferMs, int newBuffe
         releasePlayer();
         initializePlayer();
     }
+
+    /**
+     * Handling controls prop
+     * 
+     * @param controls  Controls prop, if true enable controls, if false disable them
+     */
+    public void setControls(boolean controls) {
+        if (controls && exoPlayerView != null) {
+            addPlayerControl();
+        } else if (getChildAt(1) instanceof PlayerControlView && exoPlayerView != null) {
+            removeViewAt(1);
+        }
+    }
 }

android-exoplayer/src/main/java/com/brentvatne/exoplayer/ReactExoplayerViewManager.java

@@ -57,6 +57,7 @@ public class ReactExoplayerViewManager extends ViewGroupManager<ReactExoplayerVi
     private static final String PROP_SELECTED_VIDEO_TRACK_TYPE = "type";
     private static final String PROP_SELECTED_VIDEO_TRACK_VALUE = "value";
     private static final String PROP_HIDE_SHUTTER_VIEW = "hideShutterView";
+    private static final String PROP_CONTROLS = "controls";
 
     @Override
     public String getName() {
@@ -255,6 +256,11 @@ public void setHideShutterView(final ReactExoplayerView videoView, final boolean
         videoView.setHideShutterView(hideShutterView);
     }
 
+    @ReactProp(name = PROP_CONTROLS, defaultBoolean = false)
+    public void setControls(final ReactExoplayerView videoView, final boolean controls) {
+        videoView.setControls(controls);
+    }
+
     @ReactProp(name = PROP_BUFFER_CONFIG)
     public void setBufferConfig(final ReactExoplayerView videoView, @Nullable ReadableMap bufferConfig) {
         int minBufferMs = DefaultLoadControl.DEFAULT_MIN_BUFFER_MS;

android-exoplayer/src/main/res/layout/exo_player_control_view.xml

@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_gravity="bottom"
+    android:layoutDirection="ltr"
+    android:background="#CC000000"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:paddingTop="4dp"
+        android:orientation="horizontal">
+
+        <ImageButton android:id="@id/exo_prev"
+            style="@style/ExoMediaButton.Previous"/>
+
+        <ImageButton android:id="@id/exo_rew"
+            style="@style/ExoMediaButton.Rewind"/>
+        <FrameLayout
+            android:id="@+id/exo_play_pause_container"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center">
+            <ImageButton android:id="@id/exo_play"
+                style="@style/ExoMediaButton.Play"/>
+
+            <ImageButton android:id="@id/exo_pause"
+                style="@style/ExoMediaButton.Pause"/>
+        </FrameLayout>
+
+        <ImageButton android:id="@id/exo_ffwd"
+            style="@style/ExoMediaButton.FastForward"/>
+
+        <ImageButton android:id="@id/exo_next"
+            style="@style/ExoMediaButton.Next"/>
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:gravity="center_vertical"
+        android:orientation="horizontal">
+
+        <TextView android:id="@id/exo_position"
+            android:layout_width="50dp"
+            android:layout_height="wrap_content"
+            android:textSize="14sp"
+            android:textStyle="bold"
+            android:paddingLeft="4dp"
+            android:paddingRight="4dp"
+            android:includeFontPadding="false"
+            android:textColor="#FFBEBEBE"/>
+
+        <com.google.android.exoplayer2.ui.DefaultTimeBar
+            android:id="@id/exo_progress"
+            android:layout_width="0dp"
+            android:layout_weight="1"
+            android:layout_height="26dp"/>
+
+        <TextView android:id="@id/exo_duration"
+            android:layout_width="50dp"
+            android:layout_height="wrap_content"
+            android:textSize="14sp"
+            android:textStyle="bold"
+            android:paddingLeft="4dp"
+            android:paddingRight="4dp"
+            android:includeFontPadding="false"
+            android:textColor="#FFBEBEBE"/>
+    </LinearLayout>
+
+</LinearLayout>