Add full screen support to Android Exoplayer (#1730)

CHANGELOG.md

@@ -1,5 +1,8 @@
 ## Changelog
 
+### Version 5.1.1
+* Added support for full-screen functionality in Android Exoplayer [#1730](https://github.com/react-native-community/react-native-video/pull/1730)
+
 ### Version 5.1.0-alpha1
 * Fixed Exoplayer doesn't work with mute=true (Android). [#1696](https://github.com/react-native-community/react-native-video/pull/1696)
 * Added support for automaticallyWaitsToMinimizeStalling property (iOS) [#1723](https://github.com/react-native-community/react-native-video/pull/1723)

README.md

@@ -412,6 +412,8 @@ Note on iOS, controls are always shown when in fullscreen mode.
 
 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).
 
+Note on Android ExoPlayer, native controls are available by default. If needed, you can also add your controls or use a package like [react-native-video-controls].
+
 Platforms: Android ExoPlayer, iOS, react-native-dom
 
 #### disableFocus
@@ -462,7 +464,7 @@ Controls whether the player enters fullscreen on play.
 * **false (default)** - Don't display the video in fullscreen
 * **true** - Display the video in fullscreen
 
-Platforms: iOS
+Platforms: iOS, Android Exoplayer
 
 #### fullscreenAutorotate
 If a preferred [fullscreenOrientation](#fullscreenorientation) is set, causes the video to rotate to that orientation but permits rotation of the screen to orientation held by user. Defaults to TRUE.
@@ -475,6 +477,8 @@ Platforms: iOS
 * **landscape**
 * **portrait**
 
+Note on Android ExoPlayer, the full-screen mode by default goes into landscape mode. Exiting from the full-screen mode will display the video in Initial orientation.
+
 Platforms: iOS
 
 #### headers

Video.js

@@ -1,6 +1,6 @@
 import React, { Component } from 'react';
 import PropTypes from 'prop-types';
-import {StyleSheet, requireNativeComponent, NativeModules, View, ViewPropTypes, Image, Platform, findNodeHandle} from 'react-native';
+import { StyleSheet, requireNativeComponent, NativeModules, View, ViewPropTypes, Image, Platform, UIManager, findNodeHandle, Dimensions } from 'react-native';
 import resolveAssetSource from 'react-native/Libraries/Image/resolveAssetSource';
 import TextTrackType from './TextTrackType';
 import FilterType from './FilterType';
@@ -20,8 +20,35 @@ export default class Video extends Component {
     super(props);
 
     this.state = {
-      showPoster: !!props.poster
+      showPoster: !!props.poster,
+      androidFullScreen: false,
+      videoContainerLayout_x: 0,
+      videoContainerLayout_y: 0
     };
+    this.getDimension();
+  }
+
+  /**
+   * @description this is will set the width and height needs to be considered for full screen
+   */
+  getDimension() {
+    if (Dimensions.get('window').width < Dimensions.get('window').height) {
+      this.width = Math.round(Dimensions.get('window').height);
+      this.height = Math.round(Dimensions.get('window').width);
+    }
+    else {
+      this.width = Math.round(Dimensions.get('window').width);
+      this.height = Math.round(Dimensions.get('window').height);
+    }
+  }
+
+  componentDidMount() {
+    UIManager.measure(findNodeHandle(this._videoContainer), (x, y) => {
+      this.setState({
+        videoContainerLayout_x: x,
+        videoContainerLayout_y: y
+      })
+    })
   }
 
   setNativeProps(nativeProps) {
@@ -145,6 +172,7 @@ export default class Video extends Component {
   };
 
   _onFullscreenPlayerWillPresent = (event) => {
+    Platform.OS === 'android' && this.setState({ androidFullScreen: true })
     if (this.props.onFullscreenPlayerWillPresent) {
       this.props.onFullscreenPlayerWillPresent(event.nativeEvent);
     }
@@ -157,6 +185,7 @@ export default class Video extends Component {
   };
 
   _onFullscreenPlayerWillDismiss = (event) => {
+    Platform.OS === 'android' && this.setState({ androidFullScreen: false })
     if (this.props.onFullscreenPlayerWillDismiss) {
       this.props.onFullscreenPlayerWillDismiss(event.nativeEvent);
     }
@@ -313,8 +342,22 @@ export default class Video extends Component {
       resizeMode: this.props.posterResizeMode || 'contain',
     };
 
+    //androidFullScreen property will only impact on android. It will be always false for iOS.
+    const videoStyle = this.state.androidFullScreen ? {
+      position: 'absolute',
+      top: 0,
+      left: 0,
+      width: this.width,
+      height: this.height,
+      backgroundColor: '#ffffff',
+      justifyContent: "center",
+      zIndex: 99999,
+      marginTop: -1 * (this.state.videoContainerLayout_y ? parseFloat(this.state.videoContainerLayout_y) : 0), //margin: 0 - is not working properly. So, updated all the margin individually with 0.
+      marginLeft: -1 * (this.state.videoContainerLayout_x ? parseFloat(this.state.videoContainerLayout_x) : 0)
+    } : {}
+
     return (
-      <View style={nativeProps.style}>
+      <View ref={(videoContainer) => this._videoContainer = videoContainer} style={[nativeProps.style, videoStyle]}>
         <RCTVideo
           ref={this._assignRoot}
           {...nativeProps}

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

@@ -3,6 +3,7 @@ package com.brentvatne.exoplayer;
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.Context;
+import android.content.pm.ActivityInfo;
 import android.media.AudioManager;
 import android.net.Uri;
 import android.os.Handler;
@@ -13,6 +14,7 @@ import android.view.View;
 import android.view.Window;
 import android.view.accessibility.CaptioningManager;
 import android.widget.FrameLayout;
+import android.widget.ImageView;
 
 import com.brentvatne.react.R;
 import com.brentvatne.receiver.AudioBecomingNoisyReceiver;
@@ -97,6 +99,7 @@ class ReactExoplayerView extends FrameLayout implements
     private Player.EventListener eventListener;
 
     private ExoPlayerView exoPlayerView;
+    private int initialOrientation;
 
     private DataSource.Factory mediaDataSourceFactory;
     private SimpleExoPlayer player;
@@ -169,6 +172,7 @@ class ReactExoplayerView extends FrameLayout implements
     public ReactExoplayerView(ThemedReactContext context, ReactExoplayerConfig config) {
         super(context);
         this.themedReactContext = context;
+        this.initialOrientation = getResources().getConfiguration().orientation;
         this.eventEmitter = new VideoEventEmitter(context);
         this.config = config;
         this.bandwidthMeter = config.getBandwidthMeter();
@@ -292,6 +296,16 @@ class ReactExoplayerView extends FrameLayout implements
             }
         });
 
+        //Handling the fullScreenButton click event
+        FrameLayout fullScreenButton = playerControlView.findViewById(R.id.exo_fullscreen_button);
+        fullScreenButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                setFullscreen(!isFullscreen);
+            }
+        });
+        updateFullScreenIcon(isFullscreen);
+
         // Invoking onPlayerStateChanged event for Player
         eventListener = new Player.EventListener() {
             @Override
@@ -320,6 +334,33 @@ class ReactExoplayerView extends FrameLayout implements
         addView(playerControlView, 1, layoutParams);
     }
 
+    /**
+     * Update fullscreen icon
+     */
+    private void updateFullScreenIcon(Boolean fullScreen) {
+        if(playerControlView != null && player != null) {
+            //Play the video whenever the user clicks minimize or maximise button. In order to enable the controls
+            player.setPlayWhenReady(true);
+            ImageView fullScreenIcon = playerControlView.findViewById(R.id.exo_fullscreen_icon);
+            if (fullScreen) {
+                fullScreenIcon.setImageResource(R.drawable.fullscreen_shrink);
+            } else {
+                fullScreenIcon.setImageResource(R.drawable.fullscreen_expand);
+            }
+        }
+    }
+
+    /**
+     * Enable or Disable fullscreen button
+     */
+    private void enableFullScreenButton(Boolean enable) {
+        if(playerControlView != null) {
+            FrameLayout fullScreenButton = playerControlView.findViewById(R.id.exo_fullscreen_button);
+            fullScreenButton.setAlpha(enable ? 1.0f : 0.5f);
+            fullScreenButton.setEnabled(enable);
+        }
+    }
+
     /**
      * Update the layout
      * @param view  view needs to update layout
@@ -545,10 +586,13 @@ class ReactExoplayerView extends FrameLayout implements
 
     private void onStopPlayback() {
         if (isFullscreen) {
-            setFullscreen(false);
+            //When the video stopPlayback.
+            //If the video is in fullscreen, then we will update the video to normal mode.
+            setFullscreen(!isFullscreen);
         }
         setKeepScreenOn(false);
         audioManager.abandonAudioFocus(this);
+        enableFullScreenButton(false);
     }
 
     private void updateResumePosition() {
@@ -642,6 +686,7 @@ class ReactExoplayerView extends FrameLayout implements
                 if (playerControlView != null) {
                     playerControlView.show();
                 }
+                enableFullScreenButton(true);
                 break;
             case Player.STATE_ENDED:
                 text += "ended";
@@ -1160,6 +1205,8 @@ class ReactExoplayerView extends FrameLayout implements
         if (fullscreen == isFullscreen) {
             return; // Avoid generating events when nothing is changing
         }
+
+        updateFullScreenIcon(fullscreen);
         isFullscreen = fullscreen;
 
         Activity activity = themedReactContext.getCurrentActivity();
@@ -1178,11 +1225,17 @@ class ReactExoplayerView extends FrameLayout implements
                 uiOptions = SYSTEM_UI_FLAG_HIDE_NAVIGATION
                         | SYSTEM_UI_FLAG_FULLSCREEN;
             }
+            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);
             eventEmitter.fullscreenWillPresent();
             decorView.setSystemUiVisibility(uiOptions);
             eventEmitter.fullscreenDidPresent();
         } else {
             uiOptions = View.SYSTEM_UI_FLAG_VISIBLE;
+            //orientation, 1 is for Portrait and 2 for Landscape.
+            if(this.initialOrientation == 1)
+                activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+            else
+                activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
             eventEmitter.fullscreenWillDismiss();
             decorView.setSystemUiVisibility(uiOptions);
             eventEmitter.fullscreenDidDismiss();

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

@@ -71,6 +71,22 @@
             android:paddingRight="4dp"
             android:includeFontPadding="false"
             android:textColor="#FFBEBEBE"/>
+        <FrameLayout
+            android:id="@+id/exo_fullscreen_button"
+            android:layout_width="32dp"
+            android:layout_height="32dp"
+            android:layout_gravity="right">
+
+            <ImageView
+                android:id="@+id/exo_fullscreen_icon"
+                android:layout_width="18dp"
+                android:layout_height="18dp"
+                android:layout_gravity="center"
+                android:adjustViewBounds="true"
+                android:scaleType="fitCenter"
+                android:src="@drawable/fullscreen_expand"/>
+
+        </FrameLayout>
     </LinearLayout>
 
 </LinearLayout>