iOS:将 Exclusive Touch 设置为视图中的所有按钮 [英] iOS: setting Exclusive Touch to all buttons in a view

问题描述

我的应用在一个窗口中有很多按钮，我想将它们全部设置为 Exclusive Touch.你对此有什么建议吗?谢谢

My app has many buttons in a Window and I want to set Exclusive Touch all of them together. Do you have any suggestion about this? Thanks

推荐答案

有一种方法可以为您的应用程序中的所有按钮设置独占触摸，可能会有所帮助.

There is a way to set exclusive touch to all buttons in your app, may be helpful.

#import </usr/include/objc/objc-class.h>

static IMP gOringinalWillMoveToSuperview = nil;

static id newMoveToSuperviewPlusSettingExclusiveTouch(id self,SEL selector,...)
{
    va_list arg_list;
    va_start( arg_list,selector);
    gOringinalWillMoveToSuperview(self,selector,arg_list);
    [self setExclusiveTouch:YES];
    return nil;
}

-(void)addSettingExclusiveTouchToAllUIViewMethodWillMoveToSuperview
{
    gOringinalWillMoveToSuperview = class_getMethodImplementation([UIButton class], @selector(willMoveToSuperview:));
    class_replaceMethod([UIButton class], @selector(willMoveToSuperview:), &newMoveToSuperviewPlusSettingExclusiveTouch, "v@:");
}

如果不明白这个，可以参考this和这个.

if you don't understand this, you can refer to this and this.

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