HTML5 WebDatabase support in android WebView

WebViewActivity.java

package com.example.webview;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebStorage.QuotaUpdater;
import android.webkit.WebView;

public class WebViewActivity extends Activity {
    private WebView myWebView;
    private WebSettings myWebSettings;
    private String databasePath;

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

        myWebView = (WebView) findViewById(R.id.web_view);
        myWebSettings = myWebView.getSettings();
        databasePath = getApplicationContext().getDir("database", Context.MODE_PRIVATE).getPath();

        myWebSettings.setJavaScriptEnabled(true);
        myWebSettings.setDatabaseEnabled(true);
        myWebSettings.setDatabasePath(databasePath);

        myWebView.setWebChromeClient(new WebChromeClient() {
            @Override
            public void onExceededDatabaseQuota(String url, String databaseIdentifier, long currentQuota, long estimatedSize,
                long totalUsedQuota, QuotaUpdater quotaUpdater) {
                quotaUpdater.updateQuota(estimatedSize * 2);
            }
        });

        myWebView.loadUrl("file:///android_asset/index.html");
    }
}