0
我的代碼如下:每次我開始運行會話時間它需要釋放AVCaptureVideoPreviewLayer嗎?
[session startRunning];
avLayer = [AVCaptureVideoPreviewLayer layerWithSession:session];
avLayer.frame = CGRectMake(0, 0, 320 , 416);
[self.view.layer addSublayer: avLayer];
avLayer.videoGravity = AVLayerVideoGravityResizeAspectFill;
,我需要AVCaptureVideoPreviewLayer添加到我的看法。
我的問題是:在添加新的之前是否需要釋放AVCaptureVideoPreviewLayer?