ios8设置application badge value

在ios8中，直接设置application badge value会出错

1 [[UIApplication sharedApplication] setApplicationIconBadgeNumber:count];

曝出”Attempting to badge the application icon but haven‘t received permission from the user to badge the application“的错误。

　　原因是因为在ios8中，设置应用的application badge value需要得到用户的许可。使用如下方法咨询用户是否许可应用设置application badge value

UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeBadge categories:nil];
[[UIApplication sharedApplication] registerUserNotificationSettings:settings];

程序运行时，会弹出提示框给用户

之后再通过

1 [[UIApplication sharedApplication] setApplicationIconBadgeNumber:count];

设置application badge value

ios8设置application badge value

时间： 2024-11-04 14:01:16

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