扫码时序图

Camera

CameraManager

DecodeHandler

tryInitCamera

扫码时序图

restartPreviewAndDecode()

what=SUCCEEDED或者FAILED

handleDecode

handlerMessage

what = DECODEobj = byte[] data

checkSelfPermisstion

QRcodeCaptureActivity

PreviewCallback

CaptureActivitHandler

sendMessage

decodeadvanceDecodeLooper.myLooper().quit()反色decode