The scroll bar of the iOS web view changes by half.

Question

Using Xcode 5, iOS 7.

Problems arise after changing the frame of the web view (0, 45, 320, 568 - 20 - 45 - 49) to (0, 0, 320, 568-20) or changing it back, its control is a container with a frame (0, 20, 320, 548) in the root manager of the application window.

When you change the frame of the web view back (0, 45, 320, 568-20-45-49) into its container, the web view is in the range from 65 to (568-449) vertically, but its scroll bar scrolls from 65 to the middle of the web presentation.

Answer 1

Decision

Finally, I worked on this:

[[[_webViewContainer webView] scrollView] setScrollIndicatorInsets:UIEdgeInsetsMake(0, 0, 0, 0)];

, - -, UIWebViewDelegate.

-(BOOL)webView:shouldStartLoadWithRequest:navigationType

, , ( -) .

:

UIEdgeInsets tempEdgeInsets;
tempEdgeInsets = [[_webView scrollView] scrollIndicatorInsets];
NSLog(@"scroll view edge insets = %f, %f, %f, %f", tempEdgeInsets.top, tempEdgeInsets.bottom, tempEdgeInsets.left, tempEdgeInsets.right);

, - tempEdgeInsets.bottom 520 - , .