call this when you do n't need the controller anymore . concode_field_sep Vibrator mVibrator concode_elem_sep boolean mIsGloballyEnabled concode_elem_sep ContentObserver mContentObserver concode_elem_sep int VIBRATE_DELAY_MS concode_elem_sep Context mContext concode_elem_sep long mLastVibrate concode_elem_sep int VIBRATE_LENGTH_MS concode_field_sep void start concode_elem_sep void tryVibrate concode_elem_sep boolean checkGlobalSetting
void function ( ) { mVibrator = null ; mContext . getContentResolver ( ) . unregisterContentObserver ( mContentObserver ) ; }