android WebView 網頁控件 訪問因特網 url

 android WebView 網頁控件 訪問因特網 url

AndroidManifest.xml文件添加訪問互聯網權限

 

<?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" />
    <!-- 添加訪問互聯網權限 -->
	<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佈局文件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視圖
 * @author 李海雲
 * @email [email protected]
 * @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());
    }
    @Override
	public 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{
		@Override
		public boolean shouldOverrideUrlLoading(WebView view, String url) {
			view.loadUrl(url);
			return true;
		}
    }
}