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Android UI(7)Building Apps with Multimedia - Capturing Photo

 
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Android UI(7)Building Apps with Multimedia - Capturing Photo

2. Recording Videos Simply
Request Camera Permission
    <uses-featureandroid:name="android.hardware.camera"/>

    <uses-permissionandroid:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

Record a Video with a Camera App
//The widget of video
private VideoView videoView;
//current pos of the video file
private static int currentPosition = 0;
//video URI

private Uri videoUri;

publicvoid onCreate(Bundle savedInstanceState) {
     Log.d(TAG, "entering the onCreate...");      super.onCreate(savedInstanceState);      setContentView(R.layout.video_camera);
     videoView = (VideoView) findViewById(R.id.video_window);      Button vidBtn = (Button) findViewById(R.id.video_start);      setBtnListenerOrDisable(vidBtn, mTakeVidOnClickListener,MediaStore.ACTION_VIDEO_CAPTURE);      MediaController controller = new MediaController(this);      videoView.setMediaController(controller);      videoView.setOnPreparedListener(new OnPreparedListener() {           public void onPrepared(MediaPlayer mp) {                videoView.setBackgroundColor(Color.argb(0, 0, 255, 0));           }      });
     videoView.setOnCompletionListener(new OnCompletionListener() {
          public void onCompletion(MediaPlayer mp) {                Toast.makeText(VideoCameraActivity.this, "The End.",Toast.LENGTH_LONG).show();           }      });

}

Send the intent to the camcorder, and prepare and bind the MediaController to the videoView.


View the Video
protectedvoid onActivityResult(int requestCode, int resultCode, Intent data) {
     if (resultCode == RESULT_OK) {           Log.d(TAG, "entering the call back...");           videoUri = data.getData();           videoView.setVideoURI(videoUri);           videoView.requestFocus();      }
}

That is the callback method of the camcorder application.

Other state and restate method
public boolean onKeyDown(int keyCode, KeyEvent event) {
     Log.d(TAG, "entering the onKeyDown...");      if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {           finish();           return true;      }      return false; }
Button.OnClickListener mTakeVidOnClickListener = new Button.OnClickListener() {      public void onClick(View v) {           Intent takeVideoIntent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);           startActivityForResult(takeVideoIntent, VIDEO_REQUEST);      } };
protected void onSaveInstanceState(Bundle outState) {      Log.d(TAG, "entering the onSaveInstanceState...");      outState.putParcelable(VIDEO_STORAGE_KEY, videoUri);      super.onSaveInstanceState(outState); }
protected void onRestoreInstanceState(Bundle savedInstanceState) {      Log.d(TAG, "entering the onRestoreInstanceState...");      super.onRestoreInstanceState(savedInstanceState);      videoUri = savedInstanceState.getParcelable(VIDEO_STORAGE_KEY);      videoView.setVideoURI(videoUri);
     //videoView.setVideoPath(URL of the video file)      videoView.requestFocus();

}

That is it, a simple video demo. videoView.setVideoPath(URL_PATH). Maybe in the future, I need this statement.

References:
http://developer.android.com/training/camera/videobasics.html

customer android player
http://www.360doc.com/content/11/0309/11/474846_99476781.shtml
http://easymorse.googlecode.com/svn/trunk/
http://easymorse.googlecode.com/svn/trunk/android.customer.player/

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