public void switchCamera(Camera camera) { setCamera(camera); try { camera.setPreviewDisplay(mHolder); } catch (IOException exception) { Log.e(TAG, "IOException caused by setPreviewDisplay()", exception); } Camera.Parameters parameters = camera.getParameters(); parameters.setPreviewSize(mPreviewSize.width, mPreviewSize.height); requestLayout(); camera.setParameters(parameters); }
// unregister @Override public void onPause() { super.onPause(); sensorManager.unregisterListener(this); // camera // Because the Camera object is a shared resource, it's very // important to release it when the activity is paused. if (mCamera != null) { mPreview.setCamera(null); mCamera.release(); mCamera = null; } // end camera }
// register to listen to sensors @Override public void onResume() { Log.e("onResume", " "); super.onResume(); Sensor sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION); sensorManager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_FASTEST); // sensorManager.registerListener(this, sensor); // camera // Open the default i.e. the first rear facing camera. mCamera = Camera.open(); mCamera.setDisplayOrientation(90); // cameraCurrentlyLocked = defaultCameraId; mPreview.setCamera(mCamera); // end camera }