uiwebview within uiscrollview

问题

I am having an issue with a uiwebview within a scrollview. In this scrollview, there is a "header" view at top and "bottomview" which is the webview. I am loading the data into the webview using loadHTMLstring method. What I am trying to do is that when I zoom, it should zoom in only on the bottom portion, not the top part. This is very similiar to the native email app on the iphone. I have been at this for 2 days now with no luck. Any help would be appreciated. thanks in advance.

回答1:

In short : your scrollViewDelegate must implement viewForZoomingInScrollView and return the webView.

In details :

Set your scrollViewController as the delegate of the scrollView:

myScrollView.delegate = yourScrollViewController;

In YourScrollViewControllerClass.h :

@interface YourScrollViewControllerClass <UIScrollViewDelegate> {
    [...]
}

In YourScrollViewControllerClass.m implement viewForZoomingInScrollView to tell which view must be zoomed when a zoom is asked :

-(UIView *) viewForZoomingInScrollView:(UIScrollView *)scrollViewBis {
    return yourWebView; 
}

来源：https://stackoverflow.com/questions/2959533/uiwebview-within-uiscrollview