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                                            beroo

优化建议

@ericwangjp 在扫描完成后重新设置状态，并设置 handler.restartPreviewAndDecode(); 具体方法如下： /** * 重置扫描状态 */ public void resetScanStatus() { if (cameraManager == null) cameraManager = new CameraManager(mContext, config); viewfinderView.setCameraManager(cameraManager); surfaceHolder = previewView.getHolder();...

NullPointerException: Attempt to invoke virtual method 'android.os.Handler android.app.FragmentHostCallback.getHandler()' on a null object reference

> 上下文环境不一致。操作的activity已经被销毁了这是就一个bug 我也遇到了