webview中js调用java函数

JAVA部分

this.wvMeaning.addJavascriptInterface(new JavaScriptInterface(this), "Android");

public class JavaScriptInterface
{
   Context mContext;

   /**
    * Instantiate the interface and set the context
    */
   JavaScriptInterface(Context c)
   {
      mContext = c;
   }
   /**
    * Show a toast from the web page
    */
   //annotate the callback method with @JavascriptInterface.
   @JavascriptInterface
   public void showToast(String toast)
   {
      Toast.makeText(mContext, toast, Toast.LENGTH_SHORT).show();
   }
   @JavascriptInterface
   public void startFunction()
   {
      Toast.makeText(TpMeaning.this, "js调用了java函数", Toast.LENGTH_SHORT).show();
      runOnUiThread(new Runnable()
      {
         @Override
         public void run()
         {
            //msgView.setText(msgView.getText() + "\njs调用了java函数");
         }
      });
   }
   @JavascriptInterface
   public void startFunction(final String str)
   {
      Toast.makeText(TpMeaning.this, str, Toast.
                            

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                                Last updated：2016-05-05