question: tells the camera to stop drawing preview frames . concode_field_sep String TAG concode_elem_sep Context context concode_elem_sep boolean initialized concode_elem_sep AutoFocusManager autoFocusManager concode_elem_sep Camera camera concode_elem_sep CameraConfigurationManager configManager concode_elem_sep boolean previewing concode_elem_sep PreviewCallback previewCallback concode_elem_sep int requestedCameraId concode_field_sep void requestPreviewFrame concode_elem_sep boolean isOpen concode_elem_sep void startPreview concode_elem_sep void openLight concode_elem_sep void closeDriver concode_elem_sep void setManualCameraId concode_elem_sep void offLight concode_elem_sep void openDriver concode_elem_sep Point getCameraResolution concode_elem_sep Size getPreviewSize
target: void function ( ) { if ( autoFocusManager != null ) { autoFocusManager . stop ( ) ; autoFocusManager = null ; } if ( camera != null && previewing ) { camera . stopPreview ( ) ; previewCallback . setHandler ( null , 0 ) ; previewing = false ; } }