IOS 常用控件的使用

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UIButton

 //初始化 位置
 UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(self.view.frame.size.width-180, 45, 80, 30)];
    [btn.layer setCornerRadius:5.0]; //设置矩形四个圆角半径
    [btn.layer setBorderWidth:1.0]; //边框宽度
    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
    CGColorRef colorref = CGColorCreate(colorSpace,(CGFloat[]){ 0.9, 0.9, 0.9, 1 });
    [btn.layer setBorderColor:colorref];//边框颜色
    [btn setTitle: @"Button" forState: UIControlStateNormal];
    btn.titleLabel.font = [UIFont systemFontOfSize: 14.0];
    [btn setBackgroundColor: [UIColor blueColor]];
    [btn setTitleColor:[UIColor blackColor]forState:UIControlStateNormal];
    [btn addTarget:self action:@selector(btnActioin:) forControlEvents:UIControlEventTouchUpInside];
    btn.tag = 1;
    [btn setImage:[UIImage imageNamed:@"trade_choose_default"] forState:UIControlStateNormal];

UIColor

[UIColor colorWithRed:0.95 green:0.93 blue:0.92 alpha:1];

UILabel

label.text=@"Label";
label.hidden=YES;

UIImage

[UIImage imageNamed:@"trade_choose_default"]

UIView

    //设置动画
    CGContextRef context = UIGraphicsGetCurrentContext();
    [UIView beginAnimations:nil context:context];
    [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
    [UIView setAnimationDuration:0.6];//动画时间长度，单位秒，浮点数
    //改变视图位置
    [self.view exchangeSubviewAtIndex:0 withSubviewAtIndex:1];
    self.addressPicker.frame = CGRectMake(0, 380, 320, 180);
    //绑定视图事件
    [UIView setAnimationDelegate:self];
    // 动画完毕后调用 animationFinished
    [UIView setAnimationDidStopSelector:@selector(animationFinished)];
    //开始执行动画
    [UIView commitAnimations];
    
    //将视图置前
    [self.view bringSubviewToFront:logisticsPicker];
    
    
-(void)animationFinished{
    NSLog(@"动画结束!");
}

UITextField

 [textField setBorderStyle:UITextBorderStyleRoundedRect]; //外框类型 
 textField.placeholder = @"password"; //默认显示的字 
 textField.secureTextEntry = YES; //密码

IOS 常用控件的使用

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原文地址：http://my.oschina.net/jack088/blog/512229