private void initViews() {
btn_switch = (Button) findViewById(R.id.switch_btn);
btn_switch.setOnClickListener(this);
btn_switch.setVisibility(View.VISIBLE);
mVideoView = (VideoView) findViewById(R.id.mVideoView);
btnStart = (ImageView) findViewById(R.id.recorder_start);
btnStop = (ImageView) findViewById(R.id.recorder_stop);
btnStart.setOnClickListener(this);
btnStop.setOnClickListener(this);
mSurfaceHolder = mVideoView.getHolder();
mSurfaceHolder.addCallback(this);
mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
chronometer = (Chronometer) findViewById(R.id.chronometer);
}
@SuppressLint("NewApi")
private boolean initCamera() {
try {
if (frontCamera == 0) {
mCamera = Camera.open(CameraInfo.CAMERA_FACING_BACK);
} else {
mCamera = Camera.open(CameraInfo.CAMERA_FACING_FRONT);
}
Parameters camParams = mCamera.getParameters();
mCamera.lock();
mSurfaceHolder = mVideoView.getHolder();
mSurfaceHolder.addCallback(this);
mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
mCamera.setDisplayOrientation(90);
} catch (RuntimeException ex) {
EMLog.e("video", "init Camera fail " + ex.getMessage());
return false;
}
return true;
}
@SuppressLint("NewApi")
public void switchCamera() {
if (mCamera == null) {
return;
}
if (Camera.getNumberOfCameras() >= 2) {
btn_switch.setEnabled(false);
if (mCamera != null) {
mCamera.stopPreview();
mCamera.release();
mCamera = null;
}
switch (frontCamera) {
case 0:
mCamera = Camera.open(CameraInfo.CAMERA_FACING_FRONT);
frontCamera = 1;
break;
case 1:
mCamera = Camera.open(CameraInfo.CAMERA_FACING_BACK);
frontCamera = 0;
break;
}
try {
mCamera.lock();
mCamera.setDisplayOrientation(90);
mCamera.setPreviewDisplay(mVideoView.getHolder());
mCamera.startPreview();
} catch (IOException e) {
mCamera.release();
mCamera = null;
}
btn_switch.setEnabled(true);
}
}