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  • IOS端的摇一摇功能

    //微信的摇一摇是怎么实现的~发现原来 ios本身就支持
    //在 UIResponder中存在这么一套方法
     
    - (void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_3_0);
     
    - (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_3_0);
     
    - (void)motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_3_0);
     
    //这就是执行摇一摇的方法。那么怎么用这些方法呢?
     
    //很简单,你只需要让这个Controller本身支持摇动
     
    //同时让他成为第一相应者:
     
    - (void)viewDidLoad
     
    {
     
        [superviewDidLoad];
     
    // Do any additional setup after loading the view, typically from a nib.
     
        [[UIApplicationsharedApplication] setApplicationSupportsShakeToEdit:YES];
     
        [selfbecomeFirstResponder];
     
    }
     
      
     
    //然后去实现那几个方法就可以了
     
    - (void) motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event
     
    {
     
        //检测到摇动
     
    }
     
      
     
    - (void) motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event
     
    {
     
        //摇动取消
     
    }
     
      
     
    - (void) motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event
     
    {
     
        //摇动结束
     
        if (event.subtype == UIEventSubtypeMotionShake) {
     
            //something happens
     
        }
     
    }
    花开花谢春不管,水暖水寒鱼自知.
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  • 原文地址:https://www.cnblogs.com/taintain1984/p/3262185.html
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