是對上次創建的GVR播放器的優化與增強,建議先閱讀上篇
本篇對播放器設置做了進一步優化:
1.支持手觸模式
VR播放器有兩種變換觀看視頻角度的模式:
陀螺儀模式和手觸模式,GVR中默認陀螺儀模式一直存在,手觸模式有一個開關可以打開或者關閉(默認關閉)
mVideoView.setTouchTrackingEnabled(true);//開啓手觸模式
2.取消手機放入VR盒子中的提示
GVR播放器在進入眼鏡模式之前有一個頁面提示我們將手機放入GoogleCardboard眼鏡中,如圖所示:
有時候手機靜止不動,還不能進入眼鏡模式,好像系統在監測是否我們在進行將手機放入眼鏡盒子中這一過程,如果想去掉這一過程怎麼辦?
mVideoView.setTransitionViewEnabled(false);//設置將手機放入盒子中的提示取消
3.去除Android 7.0 without Google VR Services警告對話框在Android 7.0的手機中使用GVR控件(全景圖或者全景視頻控件)總是會彈出一個警告對話框,如圖所示:
糾結這個問題已經半年多了,現在終於可以解決這個問題了,經過用戶反饋,Google終於修復了這個bug,處理如下:
將compile 'com.google.vr:sdk-videowidget:1.10.0'
換成compile 'com.google.vr:sdk-videowidget:1.40.0'
在1.40.0的這個版本中Google修復了without Google VR Services彈出警告對話框的問題
我現在直接說解決辦法好像很簡單的樣子,其實這個問題的解決過程還是很漫長的,github和stackoverflow都有討論這個問題,感興趣的同學可以看一下:
Avoid Google VR service Warning for nonDaydream devices?
Avoid Warning after Android 7 Update for nonDaydream devices?
除了上面對播放器設置的優化處理之外,還對播放的Activity做了一些優化處理:
4.剛開始加載視頻時,添加了一個等待的加載圈(一直轉圈,提醒用戶視頻正在加載中,視頻加載成功後隱藏)
5.播放控制面板的顯示和隱藏(使用Handler發消息控制)
a.加載視頻成功後,延時5秒隱藏控制面板
b.點擊屏幕顯示控制面板後,延時5秒隱藏
c.設置播放進度完成,手指離開進度條之後,延時5秒隱藏
d.視頻播放完成之後,延時5秒隱藏
6.添加播放完成後重播的功能
a.添加重播按鈕
b.播放完成後邏輯處理
c.點擊重播按鈕邏輯處理
7.播放器Activity狀態的保存
播放器Activity狀態的保存可以帶給用戶更舒適的體驗,比如用戶播放視頻的過程中,按下home鍵或者鎖屏鍵,之後又點擊我們的應用,那麼視頻應該繼續播放(用戶看到哪個位置,就從哪個位置繼續播放),如果未做播放器Activity狀態的保存處理,可能播放會重頭開始,也可能進入播放頁面視頻暫停播放,這些都是不好的用戶體驗。
對於播放Activity狀態的保存主要代碼如下:
@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
//保存當前播放進度,視頻總時長,暫停播放狀態
savedInstanceState.putLong(STATE_PROGRESS_TIME, mVideoView.getCurrentPosition());
savedInstanceState.putLong(STATE_VIDEO_DURATION, mVideoView.getDuration());
savedInstanceState.putBoolean(STATE_IS_PLAYING, isPlaying);
super.onSaveInstanceState(savedInstanceState);
}
@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
long progressTime = savedInstanceState.getLong(STATE_PROGRESS_TIME);
mVideoView.seekTo(progressTime);//得到播放進度進行設置
long duration = savedInstanceState.getLong(STATE_VIDEO_DURATION);
mTotalDuration = RegularExpress.parseDuration(duration);
mSeekBar.setMax((int) duration);
mSeekBar.setProgress((int) progressTime);
isPlaying = savedInstanceState.getBoolean(STATE_IS_PLAYING);
performChangePlayState(isPlaying);//根據保存的播放狀態進行播放/暫停處理
}
private void handleIntent() {
Uri uri;
if ("".equals(mUrl)) {
uri = Uri.parse("http://resource.vr-store.cn/appfile/6cc160ba38394af0a251d4275ea66c29.mp4");//壩上的雲
} else {
uri = Uri.parse(mUrl);
}
try {
mVideoView.loadVideo(uri, option);
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
protected void onNewIntent(Intent intent) {
setIntent(intent);
handleIntent();
}
另外對播放Activity的生命週期方法也做了對應的播放狀態處理:@Override
protected void onPause() {
super.onPause();
// Prevent the view from rendering continuously when in the background.
mVideoView.pauseRendering();
// If the video is playing when onPause() is called, the default behavior will be to pause
// the video and keep it paused when onResume() is called.
//performChangePlayState(false);//停止播放,更換圖標狀態
mVideoView.pauseVideo();//只做暫停處理,不對isPlaying進行賦值(可能是按home鍵鎖屏鍵等情況)
}
@Override
protected void onResume() {
super.onResume();
// Resume the 3D rendering.
mVideoView.resumeRendering();
performChangePlayState(isPlaying);//根據之前的狀態執行播放/暫停處理(home/鎖屏退出又進入的情況)
}
@Override
protected void onDestroy() {
//https://developers.google.com/vr/android/reference/com/google/vr/sdk/widgets/common/VrWidgetView#shutdown()
mVideoView.shutdown();
mHandler.removeMessages(HIDE);
mHandler = null;
super.onDestroy();
}
至此,這次VR播放器的更新優化已經說完了,貼一下播放Activity的代碼:
public class PlayerActivity extends Activity implements View.OnClickListener {
private static final int HIDE = 0;//隱藏播放控制面板
private static final String STATE_PROGRESS_TIME = "progressTime";
private static final String STATE_VIDEO_DURATION = "videoDuration";
private static final String STATE_IS_PLAYING = "isPlaying";
private VrVideoView mVideoView;
private VrVideoView.Options option = new VrVideoView.Options();
private String mUrl;//上一個Activity傳遞過來的url播放地址
private TextView mVideoDuration;
private SeekBar mSeekBar;
private View mVideoPorgressContainer;
private String mTotalDuration;//視頻總時長, 00:08格式
private ImageView mPlayView;
private boolean isPlaying;//播放/暫停狀態標記
private View mVideoVr;
private View mReplay;//重播按鈕
private View mVideoBuffer;//加載進度圈
private Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case HIDE:
mVideoPorgressContainer.setVisibility(View.GONE);//隱藏播放控制面板
break;
default:
break;
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_player);
Intent intent = getIntent();
mUrl = intent.getStringExtra("url");//上一個Activity傳遞過來的url播放地址
initView();
initData();
initListener();
}
@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
//保存當前播放進度,視頻總時長,暫停播放狀態
savedInstanceState.putLong(STATE_PROGRESS_TIME, mVideoView.getCurrentPosition());
savedInstanceState.putLong(STATE_VIDEO_DURATION, mVideoView.getDuration());
savedInstanceState.putBoolean(STATE_IS_PLAYING, isPlaying);
super.onSaveInstanceState(savedInstanceState);
}
@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
long progressTime = savedInstanceState.getLong(STATE_PROGRESS_TIME);
mVideoView.seekTo(progressTime);//得到播放進度進行設置
long duration = savedInstanceState.getLong(STATE_VIDEO_DURATION);
mTotalDuration = RegularExpress.parseDuration(duration);
mSeekBar.setMax((int) duration);
mSeekBar.setProgress((int) progressTime);
isPlaying = savedInstanceState.getBoolean(STATE_IS_PLAYING);
performChangePlayState(isPlaying);//根據保存的播放狀態進行播放/暫停處理
}
private void handleIntent() {
Uri uri;
if ("".equals(mUrl)) {
uri = Uri.parse("http://resource.vr-store.cn/appfile/6cc160ba38394af0a251d4275ea66c29.mp4");//壩上的雲
} else {
uri = Uri.parse(mUrl);
}
try {
mVideoView.loadVideo(uri, option);
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
protected void onNewIntent(Intent intent) {
setIntent(intent);
handleIntent();
}
private void initView() {
mVideoView = (VrVideoView) findViewById(R.id.video_view);
mPlayView = (ImageView) findViewById(R.id.play);
mReplay = findViewById(R.id.replay);
mVideoDuration = (TextView) findViewById(R.id.video_duration);
mSeekBar = (SeekBar) findViewById(R.id.video_progress);
mVideoPorgressContainer = findViewById(R.id.video_progress_container);
mVideoVr = findViewById(R.id.video_vr);
mVideoBuffer = findViewById(R.id.video_buffer);
mVideoView.setInfoButtonEnabled(false);//設置左側信息原圈不可見
mVideoView.setFullscreenButtonEnabled(false);//設置全屏按鈕不可見
mVideoView.setStereoModeButtonEnabled(false);//設置立體眼鏡模式按鈕不可見
mVideoView.setTransitionViewEnabled(false);//設置將手機放入盒子中的提示取消
mVideoView.setTouchTrackingEnabled(true);//開啓手觸模式
}
private void initData() {
handleIntent();
//第一次視頻加載成功的時候,isPlaying應該爲true,onLoadSuccess()方法會執行多次(初次加載視頻,seekTo()被調用,home/鎖屏退出再進入等都會執行)
isPlaying = true;
mSeekBar.setMax(Integer.MAX_VALUE);//防止剛加載視頻時進度條跳一下又返回正常比例,主要因爲第一次設置progress時,可能還未設置最大值
}
private void initListener() {
mPlayView.setOnClickListener(this);
mVideoVr.setOnClickListener(this);
mReplay.setOnClickListener(this);
mSeekBar.setOnSeekBarChangeListener(new SeekBarListener());
mVideoView.setEventListener(new VrVideoEventListener() {
@Override
public void onClick() {
//處理控制面板的顯示和隱藏
int visibility = mVideoPorgressContainer.getVisibility();
if (visibility == View.VISIBLE) {
mVideoPorgressContainer.setVisibility(View.GONE);
} else {
mVideoPorgressContainer.setVisibility(View.VISIBLE);
hidePlayerControllerDelayed();//延時隱藏控制面板
}
}
/**
* Make the video mPlayView in a loop. This method could also be used to move to the next video in
* a playlist.
*/
@Override
public void onCompletion() {
//播放完成後的操作
//mVideoView.seekTo(0);//循環播放效果
performChangePlayState(false);
mVideoPorgressContainer.setVisibility(View.VISIBLE);
mReplay.setVisibility(View.VISIBLE);
hidePlayerControllerDelayed();//延時隱藏控制面板
}
@Override
public void onNewFrame() {
updateVideoProgress();
}
@Override
public void onLoadSuccess() {
mVideoBuffer.setVisibility(View.GONE);//視頻加載成功隱藏加載進度圈
long duration = mVideoView.getDuration();//視頻總時長,毫秒
mTotalDuration = RegularExpress.parseDuration(duration);
mSeekBar.setMax((int) duration);
performChangePlayState(isPlaying);//視頻加載成功,開始播放更新狀態
mVideoPorgressContainer.setVisibility(View.VISIBLE);//默認不可見,當加載視頻成功後顯示視頻時長等信息
hidePlayerControllerDelayed();
/**這裏解釋一下爲什麼沒把下面的判斷邏輯操作放在performClickPlay()方法的else語句中,因爲seekTo是耗時操作,不能馬上完成,在else語句中雖然seekTo(0)
* 但是緊接着執行mVideoView.playVideo();方法,視頻這時的播放位置還是在最後,會觸發onCompletion()方法,該方法中的mReplay.setVisibility(View.VISIBLE);
* 就被執行了,結果就是視頻雖然重播了,但是重播按鈕還是顯示的,爲避免這種情況,故做了下面的判斷操作[因爲seekTo(0)之後會執行onLoadSuccess()方法]
*/
if (mReplay.getVisibility() == View.VISIBLE) {
mReplay.setVisibility(View.GONE);
}
}
@Override
public void onLoadError(String errorMessage) {
super.onLoadError(errorMessage);
Toast.makeText(PlayerActivity.this, "加載視頻失敗,換個高配手機試試吧...", Toast.LENGTH_LONG).show();
mVideoBuffer.setVisibility(View.GONE);//隱藏加載進度圈
}
@Override
public void onDisplayModeChanged(int newDisplayMode) {
super.onDisplayModeChanged(newDisplayMode);
}
});
}
/**
* 更新播放進度
*/
private void updateVideoProgress() {
long currentPosition = mVideoView.getCurrentPosition();
String currentPos = RegularExpress.parseDuration(currentPosition);
mSeekBar.setProgress((int) (currentPosition));//更新播放進度
StringBuilder sb = new StringBuilder();
sb.append(currentPos);
sb.append(" / ");
if (mTotalDuration == null)
mTotalDuration = RegularExpress.parseDuration(mVideoView.getDuration());
sb.append(mTotalDuration);
mVideoDuration.setText(sb);
}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.play:
performClickPlay();
break;
case R.id.video_vr:
performClickVideoVr();
break;
case R.id.replay:
performClickReplay();
break;
default:
break;
}
}
private void performClickReplay() {
mVideoView.seekTo(0);//重播時進度置爲初始進度0
performChangePlayState(true);
mReplay.setVisibility(View.GONE);
}
/**
* 控制播放的狀態
*
* @param b 是否播放
*/
private void performChangePlayState(boolean b) {
if (b) {
mVideoView.playVideo();
mPlayView.setImageResource(R.mipmap.stop);
isPlaying = true;
} else {
mVideoView.pauseVideo();
mPlayView.setImageResource(R.mipmap.play);
isPlaying = false;
}
}
private void performClickVideoVr() {
mVideoView.setDisplayMode(3);//enterStereoMode,眼鏡模式
}
/**
* 播放暫停切換
*/
private void performClickPlay() {
if (isPlaying) {
mVideoView.pauseVideo();
mPlayView.setImageResource(R.mipmap.play);
isPlaying = false;
} else {
if (mReplay.getVisibility() == View.VISIBLE) {
mVideoView.seekTo(0);//重播按鈕出現時,點擊播放進行重播功能
}
mVideoView.playVideo();
mPlayView.setImageResource(R.mipmap.stop);
isPlaying = true;
}
}
@Override
protected void onPause() {
super.onPause();
// Prevent the view from rendering continuously when in the background.
mVideoView.pauseRendering();
// If the video is playing when onPause() is called, the default behavior will be to pause
// the video and keep it paused when onResume() is called.
//performChangePlayState(false);//停止播放,更換圖標狀態
mVideoView.pauseVideo();//只做暫停處理,不對isPlaying進行賦值(可能是按home鍵鎖屏鍵等情況)
}
@Override
protected void onResume() {
super.onResume();
// Resume the 3D rendering.
mVideoView.resumeRendering();
performChangePlayState(isPlaying);//根據之前的狀態執行播放/暫停處理(home/鎖屏退出又進入的情況)
}
@Override
protected void onDestroy() {
//https://developers.google.com/vr/android/reference/com/google/vr/sdk/widgets/common/VrWidgetView#shutdown()
mVideoView.shutdown();
mHandler.removeMessages(HIDE);
mHandler = null;
super.onDestroy();
}
/**
* 播放器進度條監聽
*/
private class SeekBarListener implements SeekBar.OnSeekBarChangeListener {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (fromUser) {
mVideoView.seekTo(progress);
}
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
hidePlayerControllerDelayed();
mReplay.setVisibility(seekBar.getProgress() < seekBar.getMax() ? View.GONE : View.VISIBLE);
}
}
/**
* 延時隱藏播放器控制面板
*/
private void hidePlayerControllerDelayed() {
mHandler.removeMessages(HIDE);//爲了保證可見的時間爲5秒,去除之前延時隱藏的消息
mHandler.sendEmptyMessageDelayed(HIDE, 5000);
}
}
謝謝大家的支持!今後還會繼續更新推出有關VR方面的博客,期待您的關注……源碼下載鏈接