ios:UIAlertView自动消失
2015-03-26 14:48
369 查看
在写程序的过程中用到很多提示的信息,于是非常自然地就要使用UIAlertView控件。但是这些提示的信息有时候只需提示就行,不用操作,那么此时就要这个提示框自动消失就OK了。 UIAlertView弹出后2s让其自动消失,两种方法: (1)结合NSTimer
定义UIAlertView *baseAlert;
- (void) performDismiss: (NSTimer *)timer {
[baseAlert dismissWithClickedButtonIndex:0 animated:NO];//important
[baseAlert release];
baseAlert = NULL;
}
- (void) presentSheet {
baseAlert = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"\nMessage Message Message " delegate:self cancelButtonTitle:nil otherButtonTitles: nil];
[NSTimer scheduledTimerWithTimeInterval:2.0f target:self selector: @selector(performDismiss:) userInfo:nil repeats:NO];
[baseAlert show]; }
(2)使用PerformSelector:withObject:afterDelay:方法
- (void) dimissAlert:(UIAlertView *)alert {
if(alert) {
[alert dismissWithClickedButtonIndex:[alert cancelButtonIndex] animated:YES];
[alert release];
}
}
- (void)showAlert{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"title" message:@"message" delegate:nil cancelButtonTitle:nilotherButtonTitles:nil];
[alert show];
[self performSelector:@selector(dimissAlert:) withObject:alert afterDelay:2.0];
}
定义UIAlertView *baseAlert;
- (void) performDismiss: (NSTimer *)timer {
[baseAlert dismissWithClickedButtonIndex:0 animated:NO];//important
[baseAlert release];
baseAlert = NULL;
}
- (void) presentSheet {
baseAlert = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"\nMessage Message Message " delegate:self cancelButtonTitle:nil otherButtonTitles: nil];
[NSTimer scheduledTimerWithTimeInterval:2.0f target:self selector: @selector(performDismiss:) userInfo:nil repeats:NO];
[baseAlert show]; }
(2)使用PerformSelector:withObject:afterDelay:方法
- (void) dimissAlert:(UIAlertView *)alert {
if(alert) {
[alert dismissWithClickedButtonIndex:[alert cancelButtonIndex] animated:YES];
[alert release];
}
}
- (void)showAlert{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"title" message:@"message" delegate:nil cancelButtonTitle:nilotherButtonTitles:nil];
[alert show];
[self performSelector:@selector(dimissAlert:) withObject:alert afterDelay:2.0];
}
相关文章推荐
- ios:UIAlertView自动消失
- ios:UIAlertView自动消失
- ios:UIAlertView自动消失
- ios:UIAlertView自动消失
- ios:UIAlertView自动消失
- ios:UIAlertView自动消失
- iOS-UIAlertView弹框2秒后自动消失
- ios:UIAlertView自动消失
- ios:UIAlertView自动消失
- UIAlertView的自动消失,手动消失和自定制消失
- ios定时自动退出UIAlertView提示框
- iOS系统自带的 **UIAlertView** 以及 屏幕自动旋转的实现
- UIAlertView提示框自动消失
- iOS巅峰之点击UIAlertView的灰色部分也能dismiss消失
- [ios]让alertView 自动消失【转】
- 让UIAlertView自动消失
- UIAlertView显示后自动消失
- 通过代码让UIAlertView自动消失
- UIAlertView自动消失
- IOS AlertView 自动消失