Android 自定义弹出框实现代码

- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
[self showAlertView:@"11111"];
}
//自定义弹出框
-(void)showAlertView:(NSString *)strTipText
{
UIView *showView=[[UIView alloc]init];
[showView setFrame:CGRectMake(100, 100, 120, 35)];
[showView setAlpha:0.0f];
[showView setBackgroundColor:[UIColor blackColor]];
[showView setClipsToBounds:YES];
[[showView layer]setMasksToBounds:YES];
[[showView layer]setCornerRadius:5.0f];
UILabel *lblTips=[[UILabel alloc]init];
[lblTips setFrame:CGRectMake(0, 0, 120, 35)];
[lblTips setText:strTipText];
[lblTips setTextAlignment:NSTextAlignmentCenter];
[lblTips setTextColor:[UIColor whiteColor]];
[lblTips setBackgroundColor:[UIColor clearColor]];
[lblTips setFont:[UIFont boldSystemFontOfSize:16]];
[showView addSubview:lblTips];
[self.view addSubview:showView];
[UIView animateWithDuration:0.5f delay:0.0f options:UIViewAnimationOptionCurveLinear animations:^{
showView.alpha=1.0f;
}completion:^(BOOL finished){
[UIView animateWithDuration:1.0f delay:1.0f options:UIViewAnimationOptionCurveLinear animations:^{
showView.alpha=0.0f;
}completion:^(BOOL finished){
;
}];
}];
}