android webview background,Android WebView样式background-color:transparent在android 2.2上被忽略...

陈晟睿
2023-12-01

This worked for me,

mWebView.setBackgroundColor(Color.TRANSPARENT);

At the bottom of this earlier mentioned issue there is an solution.

It's a combination of 2 solutions.

webView.setBackgroundColor(Color.TRANSPARENT);

webView.setLayerType(WebView.LAYER_TYPE_SOFTWARE, null);

When adding this code to the WebViewer after loading the url, it works (API 11+).

It even works when hardeware acceleration is ON

I had the same issue with 2.2 and also in 2.3. I solved the problem by giving the alpa value in html not in android. I tried many things and what I found out is setBackgroundColor(); color doesnt work with alpha value. webView.setBackgroundColor(Color.argb(128, 0, 0, 0)); will not work.

so here is my solution, worked for me.

String webData = StringHelper.addSlashes("

"content=\"text/html; charset=utf-8\">

"padding: 20px; height: 260px; border-radius: 8px;\"> $$$ Content Goes Here ! $$$

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