protected synchronized void createCamera() throws RuntimeException {
if (mSurfaceView == null) throw new InvalidSurfaceException("Invalid surface !");
if (mSurfaceView.getHolder() == null || !mSurfaceReady)
throw new InvalidSurfaceException("Invalid surface !");
if (mCamera == null) {
openCamera();
mUpdated = false;
mUnlocked = false;
mCamera.setErrorCallback(
new Camera.ErrorCallback() {
@Override
public void onError(int error, Camera camera) {
// On some phones when trying to use the camera facing front the media server will die
// Whether or not this callback may be called really depends on the phone
if (error == Camera.CAMERA_ERROR_SERVER_DIED) {
// In this case the application must release the camera and instantiate a new one
Log.e(TAG, "Media server died !");
// We don't know in what thread we are so stop needs to be synchronized
mCameraOpenedManually = false;
stop();
} else {
Log.e(TAG, "Error unknown with the camera: " + error);
}
}
});
try {
// If the phone has a flash, we turn it on/off according to mFlashEnabled
// setRecordingHint(true) is a very nice optimization if you plane to only use the Camera
// for recording
Parameters parameters = mCamera.getParameters();
if (parameters.getFlashMode() != null) {
parameters.setFlashMode(
mFlashEnabled ? Parameters.FLASH_MODE_TORCH : Parameters.FLASH_MODE_OFF);
}
parameters.setRecordingHint(true);
mCamera.setParameters(parameters);
mCamera.setDisplayOrientation(mOrientation);
try {
if (mMode == MODE_MEDIACODEC_API_2) {
mSurfaceView.startGLThread();
mCamera.setPreviewTexture(mSurfaceView.getSurfaceTexture());
} else {
mCamera.setPreviewDisplay(mSurfaceView.getHolder());
}
} catch (IOException e) {
throw new InvalidSurfaceException("Invalid surface !");
}
} catch (RuntimeException e) {
destroyCamera();
throw e;
}
}
}
public static void configureCameraParameters(Context context, int rotation) {
Parameters cameraParams = mCamera.getParameters();
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.FROYO) { // for 2.1 and
// before
if (isPortrait(context)) {
cameraParams.set(CAMERA_PARAM_ORIENTATION, CAMERA_PARAM_PORTRAIT);
mCameraAngle = 90;
} else {
cameraParams.set(CAMERA_PARAM_ORIENTATION, CAMERA_PARAM_LANDSCAPE);
mCameraAngle = 0;
}
} else { // for 2.2 and later
switch (rotation) {
case Surface.ROTATION_0: // This is display orientation
mCameraAngle = 90; // This is camera orientation
break;
case Surface.ROTATION_90:
mCameraAngle = 0;
break;
case Surface.ROTATION_180:
mCameraAngle = 270;
break;
case Surface.ROTATION_270:
mCameraAngle = 180;
// image
break;
default:
mCameraAngle = 90;
break;
}
Log.d(LogUtil.TAG, "angle: " + mCameraAngle);
mCamera.setDisplayOrientation(mCameraAngle);
}
cameraParams.setRecordingHint(true);
mCamera.setParameters(cameraParams);
}