UI基础:UIActionSheet和UIAlterView

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iOS系统中有提供了两个弹出视图的控件,分别是UIActionSheet和UIAlterView.效果图如下:

主要代码如下:

 1 - (void)viewDidLoad { 2     [super viewDidLoad]; 3     // Do any additional setup after loading the view, typically from a nib. 4     UIButton * button1 = [UIButton buttonWithType:UIButtonTypeCustom]; 5     button1.frame = CGRectMake(100, 100, 100, 50); 6     button1.backgroundColor = [UIColor cyanColor]; 7     [button1 addTarget:self action:@selector(onclick1:) forControlEvents:UIControlEventTouchUpInside]; 8     [self.view addSubview:button1]; 9     10     UIButton * button2 = [UIButton buttonWithType:UIButtonTypeCustom];11     button2.frame = CGRectMake(100 , 200, 100, 50);12     button2.backgroundColor = [UIColor redColor];13     [button2 addTarget:self action:@selector(onclick2:) forControlEvents:UIControlEventTouchUpInside];14     [self.view addSubview:button2];15 }16 -(void)onclick1:(UIButton *)btn{17     UIActionSheet * actionsheet = [[UIActionSheet alloc]initWithTitle:@"提示信息" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"确认" otherButtonTitles:nil];18     [actionsheet showInView:self.view];19 }20 -(void)onclick2:(UIButton *)btn{21     UIAlertView * alterView = [[UIAlertView alloc]initWithTitle:@"警告" message:@"您的言论违法中华人民共和国法律,有可能查你水表" delegate:self cancelButtonTitle:@"继续发表" otherButtonTitles:nil];22     [alterView show];23 }

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