called when the preview is started . concode_field_sep CameraAppUI mAppUI concode_elem_sep PreviewStatusListener.PreviewAreaChangedListener mPreviewAreaChangedListener concode_elem_sep FocusRing mFocusRing concode_elem_sep View mRootView concode_elem_sep PreviewOverlay mPreviewOverlay concode_elem_sep ProgressOverlay mProgressOverlay concode_elem_sep RectF mPreviewRect concode_elem_sep Listener mListener concode_elem_sep ImageView mIntentReviewImageView concode_elem_sep PreviewOverlay.OnZoomChangedListener mZoomChancedListener concode_elem_sep CountDownView mCountdownView concode_field_sep void updatePreviewAspectRatio concode_elem_sep void cancelCountDown concode_elem_sep void initializeZoom concode_elem_sep void setCountdownFinishedListener concode_elem_sep void onZoomValueChanged concode_elem_sep void updatePreviewTransform concode_elem_sep RectF getPreviewRect concode_elem_sep FocusRing getFocusRing concode_elem_sep void applyModuleSpecs concode_elem_sep void onZoomRatioChanged concode_elem_sep void showPictureCaptureUI concode_elem_sep void onModuleResumed concode_elem_sep void showPictureReviewUI concode_elem_sep void onModulePaused concode_elem_sep void startCountdown concode_elem_sep void freezeScreenUntilPreviewReady concode_elem_sep void onZoomStart concode_elem_sep void setShutterButtonEnabled concode_elem_sep Size getPreviewSurfaceSize concode_elem_sep void onPreviewAreaChanged concode_elem_sep void startFlashAnimation concode_elem_sep void onZoomEnd
void function ( ) { MainThread . checkMainThread ( ) ; mAppUI . onPreviewStarted ( ) ; }