像这样，你可以自己设置视频的属性。
使用SurfaceView(给你更多的视图控制)，将其设置为fill_parent以匹配整个屏幕
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="fill_parent">
android:id="@+id/surfaceViewFrame"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_gravity="center" >
然后在您的java代码获取表面视图并添加您的媒体播放器
surfaceViewFrame = (SurfaceView) findViewById(R.id.surfaceViewFrame);
player = new MediaPlayer();
player.setDisplay(holder);
在您的媒体播放器上设置一个onPreparedListener，并手动计算视频的所需大小，以期望的比例填充屏幕，避免视频播放！
player.setOnPreparedListener(new OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
// Adjust the size of the video
// so it fits on the screen
int videoWidth = player.getVideoWidth();
int videoHeight = player.getVideoHeight();
float videoProportion = (float) videoWidth / (float) videoHeight;
int screenWidth = getWindowManager().getDefaultDisplay().getWidth();
int screenHeight = getWindowManager().getDefaultDisplay().getHeight();
float screenProportion = (float) screenWidth / (float) screenHeight;
android.view.ViewGroup.LayoutParams lp = surfaceViewFrame.getLayoutParams();
if (videoProportion > screenProportion) {
lp.width = screenWidth;
lp.height = (int) ((float) screenWidth / videoProportion);
} else {
lp.width = (int) (videoProportion * (float) screenHeight);
lp.height = screenHeight;
}
surfaceViewFrame.setLayoutParams(lp);
if (!player.isPlaying()) {
player.start();
}
}
});
我从一段时间以前跟踪的视频流教程修改了这个，现在找不到它来引用它，如果有人请添加链接到答案！
希望有帮助！
编辑
好的，所以，如果你想让视频占据整个屏幕，你不希望它伸展，最终会出现黑色的条纹。在我发布的代码中，我们发现更大，视频或手机屏幕是最好的方式。
在那里，您有完整的活动，从链接流式传输视频。它的100％功能。我不能告诉你如何从自己的设备播放视频，因为我不知道。我相信你会在文档here或here中找到它。
public class VideoPlayer extends Activity implements Callback, OnPreparedListener, OnCompletionListener,
OnClickListener {
private SurfaceView surfaceViewFrame;
private static final String TAG = "VideoPlayer";
private SurfaceHolder holder;
private ProgressBar progressBarWait;
private ImageView pause;
private MediaPlayer player;
private Timer updateTimer;
String video_uri = "http://daily3gp.com/vids/familyguy_has_own_orbit.3gp";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.videosample);
pause = (ImageView) findViewById(R.id.imageViewPauseIndicator);
pause.setVisibility(View.GONE);
if (player != null) {
if (!player.isPlaying()) {
pause.setVisibility(View.VISIBLE);
}
}
surfaceViewFrame = (SurfaceView) findViewById(R.id.surfaceViewFrame);
surfaceViewFrame.setOnClickListener(this);
surfaceViewFrame.setClickable(false);
progressBarWait = (ProgressBar) findViewById(R.id.progressBarWait);
holder = surfaceViewFrame.getHolder();
holder.addCallback(this);
holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
player = new MediaPlayer();
player.setOnPreparedListener(this);
player.setOnCompletionListener(this);
player.setScreenOnWhilePlaying(true);
player.setDisplay(holder);
}
private void playVideo() {
new Thread(new Runnable() {
public void run() {
try {
player.setDataSource(video_uri);
player.prepare();
} catch (Exception e) { // I can split the exceptions to get which error i need.
showToast("Error while playing video");
Log.i(TAG, "Error");
e.printStackTrace();
}
}
}).start();
}
private void showToast(final String string) {
runOnUiThread(new Runnable() {
public void run() {
Toast.makeText(VideoPlayer.this, string, Toast.LENGTH_LONG).show();
finish();
}
});
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
// TODO Auto-generated method stub
}
public void surfaceCreated(SurfaceHolder holder) {
playVideo();
}
public void surfaceDestroyed(SurfaceHolder holder) {
// TODO Auto-generated method stub
}
//prepare the video
public void onPrepared(MediaPlayer mp) {
progressBarWait.setVisibility(View.GONE);
// Adjust the size of the video
// so it fits on the screen
int videoWidth = player.getVideoWidth();
int videoHeight = player.getVideoHeight();
float videoProportion = (float) videoWidth / (float) videoHeight;
int screenWidth = getWindowManager().getDefaultDisplay().getWidth();
int screenHeight = getWindowManager().getDefaultDisplay().getHeight();
float screenProportion = (float) screenWidth / (float) screenHeight;
android.view.ViewGroup.LayoutParams lp = surfaceViewFrame.getLayoutParams();
if (videoProportion > screenProportion) {
lp.width = screenWidth;
lp.height = (int) ((float) screenWidth / videoProportion);
} else {
lp.width = (int) (videoProportion * (float) screenHeight);
lp.height = screenHeight;
}
surfaceViewFrame.setLayoutParams(lp);
if (!player.isPlaying()) {
player.start();
}
surfaceViewFrame.setClickable(true);
}
// callback when the video is over
public void onCompletion(MediaPlayer mp) {
mp.stop();
if (updateTimer != null) {
updateTimer.cancel();
}
finish();
}
//pause and resume
public void onClick(View v) {
if (v.getId() == R.id.surfaceViewFrame) {
if (player != null) {
if (player.isPlaying()) {
player.pause();
pause.setVisibility(View.VISIBLE);
} else {
player.start();
pause.setVisibility(View.GONE);
}
}
}
}
}
...)
全站系统 0day)
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