本文介绍了当应用程序在后台运行时显示 UIAlert?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
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"open app" message:@" backgr..." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
[alertView show];
应用在后台运行时如何显示提醒?
How could I display alert when apps running background?
推荐答案
使用 UILocalNotification
当您的应用在后台时.
Use a UILocalNotification
when your app is in the background.
UILocalNotification *notification = [[UILocalNotification alloc] init];
notification.alertBody = @"Your message";
notification.alertAction = @"Open app";
[[UIApplication sharedApplication] presentLocalNotificationNow:notification];
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