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Android 4.0 Webview 无法正常工作

转载 作者：太空狗 更新时间：2023-10-29 13:35:38 26 4
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我开发了一款移动 HTML5 游戏，当我从网络加载 URL 时它运行良好。但是当我显示从 Android 4.0 上的 Assets 文件夹调用 JavaScript 的 index.html 时，它不起作用。我在下面包含了 logcat 和代码。

public class BlockyBlaine extends Activity {
    WebView webview;
    AdView adView;

    private class BlaineViewClient extends WebViewClient {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            view.loadUrl(url);
            return true;
        }
    }


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        adView = (AdView) findViewById(R.id.adView);

        webview = (WebView) findViewById(R.id.webview);
        webview.getSettings().setJavaScriptEnabled(true);
        webview.getSettings().setPluginsEnabled(true);
        webview.getSettings().setSupportZoom(false);
        webview.setVerticalScrollBarEnabled(false);
        webview.setHorizontalScrollBarEnabled(false);
        webview.getSettings().setUseWideViewPort(false);
        webview.getSettings().setDomStorageEnabled(true);
        webview.loadUrl("file:///android_asset/www/index.html");
        webview.setWebViewClient(new BlaineViewClient());
        webview.setFocusableInTouchMode(false);
        adView.loadAd(new AdRequest());
    }
}
06-09 19:06:06.275: I/Ads(1342): To get test ads on this device, call adRequest.addTestDevice(AdRequest.TEST_EMULATOR);
06-09 19:06:06.675: I/Ads(1342): adRequestUrlHtml: <html><head><script src="http://media.admob.com/sdk-core-v40.js"></script><script>AFMA_getSdkConstants();AFMA_buildAdURL({"preqs":0,"session_id":"8885582241455077410","u_sd":1.5,"seq_num":"1","slotname":"a14fd0f1400116b","u_w":320,"msid":"com.blockyblaine.bobhoil","simulator":1,"cap":"m,a","js":"afma-sdk-a-v6.0.1","isu":"B3EEABB8EE11C2BE770B684D95219ECB","cipa":0,"format":"320x50_mb","net":"ed","app_name":"1.android.com.blockyblaine.bobhoil","hl":"en","u_h":533,"carrier":"310260","ptime":0,"u_audio":4});</script></head><body></body></html>
06-09 19:06:06.715: D/gralloc_goldfish(1342): Emulator without GPU emulation detected.
06-09 19:06:06.765: D/dalvikvm(1342): GC_CONCURRENT freed 220K, 4% free 10110K/10439K, paused 5ms+7ms
06-09 19:06:07.375: D/chromium(1342): Unknown chromium error: -6
06-09 19:06:07.515: E/libEGL(1342): call to OpenGL ES API with no current context (logged once per thread)
06-09 19:06:07.515: D/ShaderProgram(1342): couldn't load the vertex shader!
06-09 19:06:07.525: E/libEGL(1342): call to OpenGL ES API with no current context (logged once per thread)
06-09 19:06:07.525: D/ShaderProgram(1342): couldn't load the vertex shader!
06-09 19:06:07.525: E/libEGL(1342): call to OpenGL ES API with no current context (logged once per thread)
06-09 19:06:07.535: D/ShaderProgram(1342): couldn't load the vertex shader!
06-09 19:06:07.535: E/libEGL(1342): call to OpenGL ES API with no current context (logged once per thread)
06-09 19:06:07.535: D/ShaderProgram(1342): couldn't load the vertex shader!
06-09 19:06:07.545: E/libEGL(1342): call to OpenGL ES API with no current context (logged once per thread)
06-09 19:06:07.555: D/ShaderProgram(1342): couldn't load the vertex shader!

最佳答案

这只是瞎猜，但看起来您的模拟器需要您调用，

AdRequest adRequest = new AdRequest();
adRequest.addTestDevice(AdRequest.TEST_EMULATOR);

在打电话之前，

adView.loadAd(adRequest);

编辑:

阅读this和 this .看起来 Android 团队决定“file:///scheme”是不安全的(从 4.0 开始)。

也许您可以将 Assets 上传到保管箱(或在线某个地方)，然后在运行时下载文件。

关于Android 4.0 Webview 无法正常工作，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/10970032/

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