@SuppressLint("SetJavaScriptEnabled") public class MainActivity extends Activity {
private WebView webView;
private static final String url="http://101.109.209.115/";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//webView=(WebView)findViewById(R.id.urlWV);
webView = new WebView(this);
//设置WebView属性,能够执行Javascript脚本
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl(url);
//设置Web视图
setContentView(webView);
webView.setWebViewClient(new HelloWebViewClient ());
/* //实例化WebView对象
webView = new WebView(this);
//设置WebView属性,能够执行Javascript脚本
webView.getSettings().setJavaScriptEnabled(true);
//加载需要显示的网页
webView.loadUrl(url);
//设置Web视图
setContentView(webView); */
}
@Override
//设置回退
//覆盖Activity类的onKeyDown(int keyCoder,KeyEvent event)方法
public boolean onKeyDown(int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) && webView.canGoBack()) {
webView.goBack(); //goBack()表示返回WebView的上一页面
return true;
}
return false;
}
//Web视图
@SuppressWarnings("unused")
private class HelloWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
}