@Override
public void onPause() {
super.onPause();
try {
cameraView.stopCamera();
stopAutofocus();
} catch (Exception e) {
e.printStackTrace();
}
}
private void startAutofocus() {
if (isHaveAutoFocus()) {
autoFocusHandler.postDelayed(runAutoFocus, AUTOFOCUS_REFRESH_DELAY);
cameraView.getCamera().autoFocus(autoFocusCallback);
}
}
private void stopAutofocus() {
if (isHaveAutoFocus() && cameraView.getCamera() != null) {
autoFocusHandler.removeCallbacks(runAutoFocus);
cameraView.getCamera().cancelAutoFocus();
}
}