android WebView 网页控件 访问因特网 url

 android WebView 网页控件 访问因特网 url

AndroidManifest.xml文件添加访问互联网权限

 

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.cloud.android.net"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk android:minSdkVersion="7" />    <!-- 添加访问互联网权限 --><uses-permission android:name="android.permission.INTERNET"/>    <application        android:icon="@drawable/agree_logo"        android:label="@string/app_name" >        <activity            android:label="@string/app_name"            android:name=".NetWebViewActivity" >            <intent-filter >                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application></manifest>

 

 

 

layout布局文件main.xml

 

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="@string/hello" />    <WebView        android:id="@+id/webview"        android:layout_width="fill_parent"        android:layout_height="fill_parent"/></LinearLayout>

 

 

Activity.java

 

package com.cloud.android.net;import android.app.Activity;import android.os.Bundle;import android.view.KeyEvent;import android.webkit.WebView;import android.webkit.WebViewClient;/** * WebView视图 * @author 李海云 * @email [e-mail] * @date 2012-02-29 14:42:21 */public class NetWebViewActivity extends Activity {WebView webView = null;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        webView = (WebView) findViewById(R.id.webview);        webView.getSettings().setJavaScriptEnabled(true);        webView.loadUrl("http://www.baidu.com");        webView.setWebViewClient(new HelloWebViewClient());    }    @Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) {    if (keyCode == KeyEvent.KEYCODE_BACK && webView.canGoBack()) {webView.goBack();return true;}return super.onKeyDown(keyCode, event);}private class HelloWebViewClient extends WebViewClient{@Overridepublic boolean shouldOverrideUrlLoading(WebView view, String url) {view.loadUrl(url);return true;}    }}