由于某些原因,屏幕变暗并且冻结,警报没有显示……请问有人能帮忙吗?
提前感谢!
} else {
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Hello!"
message:@"Hello!" delegate:self
cancelButtonTitle:@"Done"
otherButtonTitles:nil];
[alert show];
[alert release];
}