Android cannot get webview to display utube videos and google maps

If I use WebView to display a page having a utube video or google map, I only get a big grey box, it w开发者_如何转开发orkcs fine if I call up the web browser.

Is there some way a WebView can show this content?

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You may need webview.setJavaScriptEnabled(true).

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You probably need to enable javascript: setJavaScriptEnabled(true)

Update: edited as per @Matthew Willis' comment.