Android網路技術之WebView常用方法

Android網路技術之WebView常用方法

public class WebViewTest extends Activity {private WebView wv;private EditText et;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.webview);wv = (WebView) findViewById(R.id.webview_wv);wv.loadUrl(http://www.baidu.com);initWV();et = (EditText) findViewById(R.id.webview_et);et.setSelection(et.getText().length());}private void initWV() {// TODO Auto-generated method stub//設定核心，支援ajaxwv.setWebChromeClient(new WebChromeClient());//new WebViewClient()預設基於webkit核心wv.setWebViewClient(new WebViewClient(){//從一個網頁跳到另一個網頁的方式,return true則為目標頁面在當前webView開啟，不會調用系統預設瀏覽器@Overridepublic boolean shouldOverrideUrlLoading(WebView view, String url) {// TODO Auto-generated method stubreturn true;}//當頁面載入完畢調用的方法@Overridepublic void onPageFinished(WebView view, String url) {// TODO Auto-generated method stubToast.makeText(WebViewTest.this, 載入完畢！, 0).show();super.onPageFinished(view, url);}//頁面開始載入時調用的方法@Overridepublic void onPageStarted(WebView view, String url, Bitmap favicon) {// TODO Auto-generated method stubet.setText(url);super.onPageStarted(view, url, favicon);}});//設定支援js指令碼wv.getSettings().setJavaScriptEnabled(true);//設定支援手指放大wv.getSettings().setSupportZoom(true);wv.getSettings().setBuiltInZoomControls(true);}public void load(View view){//載入URLwv.loadUrl(et.getText().toString().trim());}public void reload(View view){//重新載入，重新整理頁面wv.reload();}public void back(View view){//後退wv.goBack();}//設定（攔截）手機上的按鍵觸摸時間@Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) {// TODO Auto-generated method stubswitch (keyCode) {case KeyEvent.KEYCODE_BACK:wv.goBack();break;default:break;}return super.onKeyDown(keyCode, event);}}