backgroundTimeRemaining

backgroundTimeRemaining

本文介绍了backgroundTimeRemaining返回(35791394分钟)?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我在我的应用程序中使用beginBackgroundTaskWithExpirationHandler。我的理解为后台应用程序完成工作的最长时间是10分钟,但是当我打印backgroundTimeRemaining的值时得到的是(35791394分钟)

I'm using beginBackgroundTaskWithExpirationHandler in my application. my understanding the max time given for background application to finish work is 10 minutes, but what i got when I printed the value of backgroundTimeRemaining is (35791394 mins)

NSTimeInterval timeLeft = [UIApplication sharedApplication].backgroundTimeRemaining;
    NSLog(@"Background time remaining2222: %.0f seconds (%d mins)", timeLeft, (int)timeLeft / 60);

这是正常现象,还是看起来我做错了什么?!

is this normal, or it seems I did something wrong?!

推荐答案

试试这个:

 NSLog(@"Background time remaining: %f seconds (%d mins)", timeLeft, (int)(timeLeft / 60));

这篇关于backgroundTimeRemaining返回(35791394分钟)?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!

09-23 15:58