package bsn.cc.dd;
import android.app.Activity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class WebViewTestActivity extends Activity {
/** Called when the activity is first created. */
private WebView view;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
view = (WebView) findViewById(R.id.webview);
view.getSettings().setJavaScriptEnabled(true);
view.loadUrl("http://www.baidu.com");
view.setWebViewClient(new HelloWebViewClient());
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
// TODO Auto-generated method stub
if ((keyCode == KeyEvent.KEYCODE_BACK) && view.canGoBack()) {
view.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}
private class HelloWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
// TODO Auto-generated method stub
return true;
}
}
}
重寫onKeyDown 的時候忘記了寫入view.goBack();。onekydown 中if :如果按下了返回,並且當前網頁能返回 則執行下代碼
android:id="@+id/webview" android:layout_width="fill_parent"
android:layout_height="fill_parent" />