[GitHub] [incubator-echarts] vson1718 opened a new issue #11761: 三星galaxy s11 Android Webview 截图echarts 区域显示空白

[GitBox <gi...@apache.org>]

vson1718 opened a new issue #11761: 三星galaxy s11  Android Webview 截图echarts 区域显示空白
URL: https://github.com/apache/incubator-echarts/issues/11761
 
 
   ### Version
   4.4.0
   
   ### Steps to reproduce
   1.使用webView打开Html（使用echarts4.4.0）,显示正常（AndroidManifest.xml中设置属性Android:hardwareAccelerated=”false”。）
   2.使用截图功能相关代码
   if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
    WebView.enableSlowWholeDocumentDraw();
   }
   
   private Bitmap captureWebView(WebView webView){
   
    Picture picture = webView.capturePicture();
   
    int width = picture.getWidth();
   
    int height = picture.getHeight();
   
    if (width > 0 && height > 0) {
   
     Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
   
     Canvas canvas = new Canvas(bitmap);
   
     picture.draw(canvas);
   
     return bitmap;
   
    }
   
    return null;
   
   }
   
   ### What is expected?
   三星galaxy s11 使用 Webview 截图echarts 区域不显示空白
   
   ### What is actually happening?
   三星galaxy s11 使用 Webview 截图echarts 区域显示空白
   
   ---
   截图WebView，分享到微信
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   

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