双击UIwebview到全屏

Question

我想双击一个大小为（159,182）的UIwebview我想将它扩展到全屏大小（它覆盖了整个屏幕）我也想要它，能够再次点击完整的webview并且然后让它达到正常大小（159,182）这可能吗？

Answer 1

为其添加UITapGestureRecognizer。在viewDidLoad中：

UITapGestureRecognizer *doubleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(doubleTap)];
doubleTap.numberOfTapsRequired = 2;
doubleTap.delegate = self;
[webView addGestureRecognizer:doubleTap];

不要忘记将UIGestureRecognizerDelegate添加到头文件中。

在viewDidUnload中删除UITapGestureRecognizer。

同时添加此方法

- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer    *)otherGestureRecognizer {
    return YES;
}

然后实现代码以在

中调整UIWebView的大小

- (void)doubleTap
{
    ...
}