android webView 默认设置

        webView= (WebView) findViewById(R.id.webView);

        WebSettings webSetting =webView.getSettings();
        webSetting.setAllowFileAccess(true);
        webSetting.setJavaScriptEnabled(true);
        webSetting.setDomStorageEnabled(true);
        webSetting.setDatabaseEnabled(true);
        webSetting.setAppCacheEnabled(true);
        webSetting.setBuiltInZoomControls(false);

        Button btn = (Button) findViewById(R.id.button);
        btn .setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                webView.loadUrl("http://www.baidu.com/");
            }
        });



        webView.setWebViewClient(new WebViewClient() {
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                return true;
            }


        });


        webView.setWebChromeClient(new WebChromeClient() {
                                       @Override
                                       public boolean onJsAlert(WebView view, String url, String message, JsResult result) {
                                           return super.onJsAlert(view, url, message, result);
                                       }
                                   }
        );

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.sky.myapplication" >

    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>