public class WebViewTest extends Activity { private WebView wv; private EditText et; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.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 //设置内核，支持ajax wv.setWebChromeClient(new WebChromeClient()); //new WebViewClient()默认基于webkit内核 wv.setWebViewClient(new WebViewClient(){ //从一个网页跳到另一个网页的方式,return true则为目标页面在当前webView打开，不会调用系统默认浏览器 @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { // TODO Auto-generated method stub return true; } //当页面加载完毕调用的方法 @Override public void onPageFinished(WebView view, String url) { // TODO Auto-generated method stub Toast.makeText(WebViewTest.this, 加载完毕！, 0).show(); super.onPageFinished(view, url); } //页面开始加载时调用的方法 @Override public void onPageStarted(WebView view, String url, Bitmap favicon) { // TODO Auto-generated method stub et.setText(url); super.onPageStarted(view, url, favicon); } }); //设置支持js脚本 wv.getSettings().setJavaScriptEnabled(true); //设置支持手指放大 wv.getSettings().setSupportZoom(true); wv.getSettings().setBuiltInZoomControls(true); } public void load(View view){ //加载URL wv.loadUrl(et.getText().toString().trim()); } public void reload(View view){ //重新载入，刷新页面 wv.reload(); } public void back(View view){ //后退 wv.goBack(); } //设置（拦截）手机上的按键触摸时间 @Override public boolean onKeyDown(int keyCode, KeyEvent event) { // TODO Auto-generated method stub switch (keyCode) { case KeyEvent.KEYCODE_BACK: wv.goBack(); break; default: break; } return super.onKeyDown(keyCode, event); }} |
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