WebView加载本地Html文件并实现点击效果

/***
 * 
 * WebView加载本地文件和实现JS点击效果
 * 
 * @author zq
 *
 */
public class MainActivity extends Activity {

    private WebView webView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_main);
          initView();
    
    }
    private void initView() {
        // TODO Auto-generated method stub
          // 获取webview控件
            webView = (WebView) findViewById(R.id.activity_webview);
            // 获取WebView的设置
            WebSettings webSettings = webView.getSettings();
            // 将JavaScript设置为可用，这一句话是必须的，不然所做一切都是徒劳的
            webSettings.setJavaScriptEnabled(true);
            // 给webview添加JavaScript接口
            webView.addJavascriptInterface(new JsInterface(), "control");
            // 通过webview加载html页面
            webView.loadUrl("file:///android_asset/l.html");
    }

    public class JsInterface {
        @JavascriptInterface
        public void showToast(String toast) {
            Toast.makeText(MainActivity.this, toast, Toast.LENGTH_SHORT).show();
        }

        public void log(final String msg) {
            webView.post(new Runnable() {

                @Override
                public void run() {
                    webView.loadUrl("javascript log(" + "‘" + msg + "‘" + ")");

                }
            });
        }
    }

}

 function showToast(toast) {       
    javascript:control.showToast(toast);
        }
  function log(msg) {
        consolse.log(msg);
    }

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