call from activity #onresume . concode_field_sep String TAG concode_elem_sep Handler handler concode_elem_sep CameraPreview.StateListener stateListener concode_elem_sep Activity activity concode_elem_sep BeepManager beepManager concode_elem_sep BarcodeCallback callback concode_elem_sep int orientationLock concode_elem_sep InactivityTimer inactivityTimer concode_elem_sep CompoundBarcodeView barcodeView concode_elem_sep String SAVED_ORIENTATION_LOCK concode_elem_sep long DELAY_BEEP concode_elem_sep boolean destroyed concode_field_sep void previewSized concode_elem_sep void onDestroy concode_elem_sep void lockOrientation concode_elem_sep void returnResult concode_elem_sep void previewStarted concode_elem_sep void initializeFromIntent concode_elem_sep void onPause concode_elem_sep void decode concode_elem_sep void cameraError concode_elem_sep void previewStopped concode_elem_sep void possibleResultPoints concode_elem_sep void onSaveInstanceState concode_elem_sep void finish concode_elem_sep Intent resultIntent concode_elem_sep void barcodeResult concode_elem_sep void displayFrameworkBugMessageAndExit
void function ( ) { barcodeView . resume ( ) ; beepManager . updatePrefs ( ) ; inactivityTimer . start ( ) ; }