全屏视频视图，无需拉伸视频 [英] Full screen videoview without stretching the video
问题描述
我想知道是否有办法让视频在全屏模式下通过 videoview 运行?
I wonder if I can get a way to let video run via videoview in full screen?
我搜索了很多并尝试了很多方法，例如:
I searched a lot and tried many ways such as:
在清单中应用主题:
Apply theme in manifest:
android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
但这并不强制视频全屏显示.
but that does not force the video to be in full screen.
应用于活动本身:
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
也不强制视频全屏显示.
also does not force the video to be in full screen.
强制视频全屏的唯一方法是:
The only way force video to full screen is:
<VideoView android:id="@+id/myvideoview"
android:layout_width="fill_parent"
android:layout_alignParentRight="true"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_alignParentBottom="true"
android:layout_height="fill_parent">
</VideoView>
这种方式会产生全屏视频，但它会拉伸视频本身(拉长的视频)，
This way it results in full screen video but it stretches the video itself (elongated video) ,
我没有将这个不正确的解决方案应用到我的视频视图中，那么有没有办法在不拉伸视频的情况下做到这一点?
I'm not applying this improper solution to my videoview, so is there is any way to do it without stretching the video?
视频类:
public class Video extends Activity {
private VideoView myvid;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);
myvid = (VideoView) findViewById(R.id.myvideoview);
myvid.setVideoURI(Uri.parse("android.resource://" + getPackageName()
+"/"+R.raw.video_1));
myvid.setMediaController(new MediaController(this));
myvid.requestFocus();
myvid.start();
}
}
main.xml:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<VideoView
android:id="@+id/myvideoview"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</LinearLayout>
推荐答案
这样就可以自己设置视频的属性了.
Like this you can set the properties of the video by yourself.
使用 SurfaceView(给你更多的视图控制)，将它设置为 fill_parent 以匹配整个屏幕
Use a SurfaceView (gives you more control on the view), set it to fill_parent to match the whole screen
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="fill_parent">
<SurfaceView
android:id="@+id/surfaceViewFrame"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_gravity="center" >
</SurfaceView>
</Linearlayout>
然后在您的 java 代码上获取表面视图并将您的媒体播放器添加到其中
then on your java code get the surface view and add your media player to it
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 并手动计算所需的视频大小，以所需的比例填充屏幕，避免拉伸视频！
set on your media player a onPreparedListener and manually calculate the desired size of the video, to fill the screen in the desired proportion avoiding stretching the video!
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();
}
}
});
我从前段时间关注的视频流教程修改了这个，现在找不到它来引用它，如果有人这样做，请添加链接到答案！
I modified this from a tutorial for video streaming that I followed some time ago, can't find it right now to reference it, if someone does please add the link to the answer!
希望能帮到你！
编辑
好的，所以，如果您希望视频占据整个屏幕并且不希望它被拉伸，您最终会在两侧出现黑色条纹.在我发布的代码中，我们正在找出更大的，视频或电话屏幕，并以最好的方式安装它.
Ok, so, if you want the video to occupy the whole screen and you don't want it to stretch you will end up with black stripes in the sides. In the code I posted we are finding out what is bigger, the video or the phone screen and fitting it the best way we can.
你有我的完整活动，从链接流式传输视频.它是 100% 功能性的.我无法告诉您如何从您自己的设备播放视频，因为我不知道.我相信您会在此处或此处.
There you have my complete activity, streaming a video from a link. It's 100% functional. I can't tell you how to play a video from your own device because I don't know that. I'm sure you will find it in the documentation here or here.
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);
}
}
}
}
}
这篇关于全屏视频视图，无需拉伸视频的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
