標籤:
按現有的button之後自己主動創造一個新的button,並為新button加入事件,因此,當您單擊彈出提示框。
於viewcontroller.h添加
@property (weak, nonatomic) IBOutletUIButton *addbutton;
為這個按鈕加入響應事件addbutton
在viewcontroller.m中加入
- (IBAction)addButton:(id)sender {
//動態加入一個button
CGRect frame = CGRectMake(0,0, 300, 50);
UIButton *button = [UIButtonbuttonWithType:UIButtonTypeRoundedRect];
button.frame = frame;
[button setTitle:@"新加入的動態按鈕"forState: UIControlStateNormal];
button.backgroundColor = [UIColor redColor];
button.tag =2000;
[button addTarget:selfaction:@selector(buttonClicked:)forControlEvents:UIControlEventTouchUpInside];
[self.viewaddSubview:button];
}
//這個是新button的響應函數
-(IBAction) buttonClicked:(id)sender {
UIAlertView *alert = [[UIAlertViewalloc] initWithTitle:@"提示"
message:@"單擊了動態button!
"
delegate:self
cancelButtonTitle:@"確定"
otherButtonTitles:nil];
[alertshow];
}
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iOS 動態加入button