iOS学习应用开发就业课_004:UIButton时间处理

难点:

1.创建2个UIButton的时间

  a按钮:移动View

 b按钮:回复位置

2.保证View的移动


复习次数:5次

5月13日

5月16日

5月26日

5月30日

5月31日


源码:

- (void)viewDidLoad {

    [super viewDidLoad];

    UIButton *myBtn1=[UIButton buttonWithType:UIButtonTypeRoundedRect];

    myBtn1.frame=CGRectMake(50, 500, 80, 40);

    [myBtn1 setTitle:@"按下移动" forState:UIControlStateNormal];

    [myBtn1 addTarget:self action:@selector(pressMove) forControlEvents:UIControlEventTouchUpInside];

    [self.view addSubview:myBtn1];

    

    UIButton *myBtn2=[UIButton buttonWithType:UIButtonTypeRoundedRect];

     myBtn2.frame=CGRectMake(50, 150, 80, 40);

    [myBtn2 setTitle:@"按下移动" forState:UIControlStateNormal];

    [myBtn2 addTarget:self action:@selector(pressRect) forControlEvents:UIControlEventTouchUpInside];

    [self.view addSubview:myBtn2];

    

    

    UIView *vc=[[UIView alloc] initWithFrame:CGRectMake(1, 250, 100, 100)];

    vc.backgroundColor=[UIColor yellowColor];

    vc.tag=101;

    [self.view addSubview:vc];

    

}


-(void)pressMove

{

    UIView *vc=[[UIView alloc]init];

    vc=[self.view viewWithTag:101];

    vc.backgroundColor=[UIColor darkGrayColor];

    vc.frame=CGRectMake(vc.frame.origin.x+10, vc.frame.origin.y+50, 200, 200);

    [self.view addSubview:vc];

    

    

}


-(void)pressRect

{

    

    UIView *vc=[[UIView alloc]init];

    vc=[self.view viewWithTag:101];

    vc.frame=CGRectMake(1, 250, 100, 100);


}



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转载自blog.csdn.net/sap_support/article/details/51543986