iOS之动态按钮的添加

来自:互联网
时间:2023-04-15
阅读:

一,效果图。

iOS之动态按钮的添加

二,代码。

RootViewController.h

#import <UIKit/UIKit.h>
@interface RootViewController : UIViewController
<UIActionSheetDelegate>
@end  

RootViewController.m

//点击任何处,弹出UIActionSheet
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
  UIActionSheet *sheet=[[UIActionSheet alloc]initWithTitle:@"标题" delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil, nil];
  // 逐个添加按钮(比如可以是数组循环)
  [sheet addButtonWithTitle:@"Item A"];
  [sheet addButtonWithTitle:@"Item B"];
  [sheet addButtonWithTitle:@"Item C"];
  // 同时添加一个取消按钮
  [sheet addButtonWithTitle:@"Cancel"];
  sheet.cancelButtonIndex = sheet.numberOfButtons-1;
  [sheet showInView:self.view];
}
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