（一〇七）iPad开发之modal的切换方式与展示方式

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在iPad上modal有四种切换方式，分别是竖直进入（由下到上，默认方式）、水平翻转、淡入淡出。

属性要设置在将要modal出来的控制器上：

    /*
     typedef NS_ENUM(NSInteger, UIModalTransitionStyle) {
     UIModalTransitionStyleCoverVertical = 0,
     UIModalTransitionStyleFlipHorizontal,
     UIModalTransitionStyleCrossDissolve,
     UIModalTransitionStylePartialCurl NS_ENUM_AVAILABLE_IOS(3_2),
     };
     */
    
    // 注意iOS7翻页(UIModalTransitionStylePartialCurl)只能漏出下面控制器的一部分，注意翻页只能在控制器全屏显示时使用。
    vc.modalTransitionStyle = UIModalTransitionStyleCoverVertical;

    /*
    typedef NS_ENUM(NSInteger, UIModalPresentationStyle) {
        UIModalPresentationFullScreen = 0,
        UIModalPresentationPageSheet NS_ENUM_AVAILABLE_IOS(3_2),
        UIModalPresentationFormSheet NS_ENUM_AVAILABLE_IOS(3_2),
        UIModalPresentationCurrentContext NS_ENUM_AVAILABLE_IOS(3_2),
        UIModalPresentationCustom NS_ENUM_AVAILABLE_IOS(7_0),
        UIModalPresentationOverFullScreen NS_ENUM_AVAILABLE_IOS(8_0),
        UIModalPresentationOverCurrentContext NS_ENUM_AVAILABLE_IOS(8_0),
        UIModalPresentationPopover NS_ENUM_AVAILABLE_IOS(8_0),
        UIModalPresentationNone NS_ENUM_AVAILABLE_IOS(7_0) = -1,
    };*/
    // PageSheet宽度固定为768，高度为当前屏幕高度
    // FormSheet在中央显示一小块，常用，注意和popover区分。
    vc.modalPresentationStyle = UIModalPresentationFormSheet;

    [self presentViewController:vc animated:YES completion:nil];

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
    
    ViewController2 *vc = [[ViewController2 alloc] init];
    vc.view.backgroundColor = [UIColor redColor];
    
    /*
     typedef NS_ENUM(NSInteger, UIModalTransitionStyle) {
     UIModalTransitionStyleCoverVertical = 0,
     UIModalTransitionStyleFlipHorizontal,
     UIModalTransitionStyleCrossDissolve,
     UIModalTransitionStylePartialCurl NS_ENUM_AVAILABLE_IOS(3_2),
     };
     */
    
    // 注意iOS7翻页(UIModalTransitionStylePartialCurl)只能漏出下面控制器的一部分，注意翻页只能在控制器全屏显示时使用。
    vc.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
    
    /*
    typedef NS_ENUM(NSInteger, UIModalPresentationStyle) {
        UIModalPresentationFullScreen = 0,
        UIModalPresentationPageSheet NS_ENUM_AVAILABLE_IOS(3_2),
        UIModalPresentationFormSheet NS_ENUM_AVAILABLE_IOS(3_2),
        UIModalPresentationCurrentContext NS_ENUM_AVAILABLE_IOS(3_2),
        UIModalPresentationCustom NS_ENUM_AVAILABLE_IOS(7_0),
        UIModalPresentationOverFullScreen NS_ENUM_AVAILABLE_IOS(8_0),
        UIModalPresentationOverCurrentContext NS_ENUM_AVAILABLE_IOS(8_0),
        UIModalPresentationPopover NS_ENUM_AVAILABLE_IOS(8_0),
        UIModalPresentationNone NS_ENUM_AVAILABLE_IOS(7_0) = -1,
    };*/
    // PageSheet宽度固定为768，高度为当前屏幕高度
    // FormSheet在中央显示一小块，常用，注意和popover区分。
    vc.modalPresentationStyle = UIModalPresentationFormSheet;
    
    [self presentViewController:vc animated:YES completion:nil];
    

（一〇七）iPad开发之modal的切换方式与展示方式

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原文地址：http://blog.csdn.net/xyt8023y/article/details/47278013