问题描述
我正在开发一个应用程序，它将 html 文件本地保存在 iPhone 文件系统上，然后在 UIWebView 中加载它们.我希望能够在 UIWebView 上以编程方式缩放或双击，我尝试搜索 javascript 代码，但我只能滚动.
I'm developing an app that saves html files locally on iPhone file system, then load them in UIWebView. I want to be able to zoom or double tap programmatically on the UIWebView, I tried searching for javascript code, but I could only scroll.
我也尝试了 webview 转换，但对我来说没有成功.我找到了这个方法
I also tried the webview transform, but didn't work out for me. I found this method
sendAction:to:from:forEvent:
http://developer.apple.com/iphone/library/documentation/UIKit/Reference/UIApplication_Class/Reference/Reference.html#jumpTo_26
在 UIApplication 类中，可以向控件发送操作.
in the UIApplication class, that can send actions to controls.
有人知道如何以编程方式将双击动作发送到某个 x,y 上的 UIWebView 吗?
Does anybody know how to send the double tap action programmatically to a UIWebView on a certain x,y?
推荐答案
获取UIWebview的子视图，即UIScrollview
get the UIWebview's subview which is a UIScrollview
UIScrollView *sview = [[webview subviews] objectAtIndex:0];
然后使用缩放方法.
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