[英]display UIAlert when apps running on background?
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警报?
当您的应用程序在后台时,请使用UILocalNotification
。
UILocalNotification *notification = [[UILocalNotification alloc] init];
notification.alertBody = @"Your message";
notification.alertAction = @"Open app";
[[UIApplication sharedApplication] presentLocalNotificationNow:notification];
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