那是我的Activity:public class MainActivity extends Activity {

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

WebView myWebView = (WebView) findViewById(R.id.webView1);

myWebView.setWebViewClient(new MyWebViewClient());

myWebView.setWebViewClient(new WebViewClient());

WebSettings webSettings = myWebView.getSettings();

webSettings.setJavaScriptEnabled(true);

myWebView.loadUrl("http://www.google.com");

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

getMenuInflater().inflate(R.menu.activity_main, menu);

return true;

}

private class MyWebViewClient extends WebViewClient {

@Override

public boolean shouldOverrideUrlLoading(WebView view, String url) {

if (Uri.parse(url).getHost().equals("www.example.com")) {

//This is my web site, so do not override; let my WebView load the page

return false;

}

//Otherwise, the link is not for a page on my site, so launch another Activity that handles URLs

Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));

startActivity(intent);

return true;

}

}

@Override

public boolean onKeyDown(int keyCode, KeyEvent event) {

WebView myWebView = null;

//Check if the key event was the Back button and if there's history

if ((keyCode == KeyEvent.KEYCODE_BACK) && myWebView.canGoBack()) {

myWebView.goBack();

return true;

}

//If it wasn't the Back key or there's no web page history, bubble up to the default

//system behavior (probably exit the activity)

return super.onKeyDown(keyCode, event);

}

%7D