public class MainActivity extends AppCompatActivity {
    private WebView mWebView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mWebView = (WebView) findViewById(R.id.activity_main_webview);

        // Force links and redirects to open in the WebView instead of in a browser
        mWebView.setWebViewClient(new WebViewClient(){
            @Override
            public void onPageStarted(WebView view, String url, Bitmap favicon) {
                //页面开始加载时
                super.onPageStarted(view, url, favicon);
            }
            @Override
            public void onPageFinished(WebView view, String url) {
                //页面加载结束时
                super.onPageFinished(view, url);
            }
            @Override
            public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
                super.onReceivedError(view, errorCode, description, failingUrl);
                // 这里进行无网络或错误处理，具体可以根据errorCode的值进行判断，
            }
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                
                return true;
            }
        });

        // Enable Javascript
        WebSettings webSettings = mWebView.getSettings();
        webSettings.set;// 支持JS
        webSettings.setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK); //设置缓存
        webSettings.set;//支持通过js打开新的窗口
        webSettings.setBuiltInZoomControls(false);// 设置支持缩放
        webSettings.setDomStorageEnabled(true);//使用localStorage则必须打开
        webSettings.setSupportMultipleWindows(false);// 设置同一个界面
        webSettings.setNeedInitialFocus(false);// 禁止webview上面控件获取焦点(黄色边框)
        webSettings.setDatabaseEnabled(true);
        webSettings.setAppCacheEnabled(true);
        webSettings.setAllowFileAccess(true);
        webSettings.setSupportZoom(true);
        webSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);
        webSettings.setUseWideViewPort(true);


//        mWebView.setBackgroundColor(ContextCompat.getColor(this,android.R.color.transparent));
//        mWebView.setBackgroundResource(R.color.colorAccent);


        // REMOTE RESOURCE
//         mWebView.loadUrl("http://www.baidu.com");
//         mWebView.setWebViewClient(new MyWebViewClient());

        //忽略跨域
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
            mWebView.getSettings().setAllowUniversalAccessFromFileURLs(true);
        }else{
            try {
                Class