7
在这个区块中强烈地捕捉自我很可能会导致保留周期
如何避免在xcode中出现此警告。这是代码片段: [player(AVPlayer object) addPeriodicTimeObserverForInterval:CMTimeMakeWithSeconds(0.1, 100) queue:nil usingBlock:^(CMTime time) { current+=1; if(current==60) { min+=(current/60); current = 0; } [timerDisp(UILabel) setText:[NSString stringWithFormat:@"%02d:%02d",min,current]];///warning occurs in this line }];