Android联网方式判断

package com.amaker.net;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.NetworkInfo.State;
import android.net.Uri;
import android.os.Bundle;
import android.widget.TextView;

/**  
* @Title: JudgeNewWayDemoActivity.java
* @Package com.xiaoma.www
* @Description: 判断联网方式测试类
* @author MZH
*/
public class JudgeNewWayDemoActivity extends Activity {
	
	private TextView text;
	
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        /**
         * 下面列举几个可直接跳到联网设置的意图,供大家学习
         */
        //startActivity(new Intent(android.provider.Settings.ACTION_APN_SETTINGS));
        //startActivity(new Intent(android.provider.Settings.ACTION_SETTINGS));
        
        //用下面两种方式设置网络
        //startActivity(new Intent(android.provider.Settings.ACTION_WIFI_SETTINGS));
        //startActivity(new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS));
        init();
    }
    
    /**
     * 初始化实现
     */
    private void init(){
    	text = (TextView)findViewById(R.id.waytext);
    	/**获得系统级联网管理员对象*/
    	ConnectivityManager manager = (ConnectivityManager)this.getSystemService(CONNECTIVITY_SERVICE);
    	NetworkInfo info = manager.getActiveNetworkInfo();
    	if(info == null){  //无网情况下
    		//跳转到网络设置页面
    		startActivity(new Intent(android.provider.Settings.ACTION_SETTINGS));
    	}else{   //有网情况下
    		if(info.isAvailable()){ //网络可用时
    			/**是手机自带的联网方式*/
    			if(info.getType() == ConnectivityManager.TYPE_MOBILE){
    					if(info.getState() == State.CONNECTED){
    						text.setText(String.valueOf("手机网络可用并已连接"+"\n"+"连接网络方式为:\n"+info.getType()+",MOBILE"));
    					}
   
    			/**WIFI联网方式*/
    			}else{
    				text.setText(String.valueOf("连接网络方式为:"+info.getType()+",WI-FI"));
    				startActivity(new Intent(android.provider.Settings.ACTION_WIFI_SETTINGS));
    			}
    		}else{
    			text.setText(String.valueOf("手机网络不可用"));
    		}
    		
    	}
    }
    
    /**
     * 临时写来练练的方法,大家可以跳过
     */
    private void kkk(){
    	Uri uri = Uri.parse("content://telephony/carriers");
    	Cursor cr = getContentResolver().query(uri, null, null, null, null);     
    	while(cr!=null && cr.moveToNext()){   
    	    // APN id  
    	    String id = cr.getString(cr.getColumnIndex("_id"));    
    	    // APN name   
    	    String apn = cr.getString(cr.getColumnIndex("apn"));  
    	    // do other things...  
    	}  
    }
    
    
    /**
     * 移动或联通ctwap cmwap 判断  这个方法朋友们可根据自己的需要使用,小马
     * 只是记在这个地方,供自己记录的,有需要的朋友可以交流讨论下..吼吼
     */
    @SuppressWarnings("unused")
	private void initWapState() {
        //ConnectivityManager: Class that answers queries about the state of network connectivity.
        ConnectivityManager conMan = (ConnectivityManager) 
            getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo netInfo = conMan.getActiveNetworkInfo();
        if (netInfo != null) {
            String extraInfo = netInfo.getExtraInfo();//Report the extra information about the network state
            if (extraInfo != null) {
                if (extraInfo.equals("cmwap")) {
                    
                }else if(extraInfo.equals("ctwap") || extraInfo.equals("#777")){
                   
                }
            }
        }
    }
    
    
}

package com.amaker.net;

import java.util.List;

import android.content.Context;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.net.wifi.WifiManager.WifiLock;

/**  
* @Title: WifiCheckUtil.java
* @Package com.lg.lvguo.util
* @Description: WIFI控制类
* @author MZH
* @version FG1.0
*/
public class WifiCheckUtil {
	//定义WifiManager对象  
    private WifiManager mWifiManager;  
    //定义WifiInfo对象  
    private WifiInfo mWifiInfo;  
    //扫描出的网络连接列表  
    private List<ScanResult> mWifiList;  
    //网络连接列表  
    private List<WifiConfiguration> mWifiConfiguration;  
    //定义一个WifiLock  
    WifiLock mWifiLock;  
    //构造器  
    public  WifiCheckUtil(Context context)  
    {  
        //取得WifiManager对象  
        mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);  
        //取得WifiInfo对象  
        mWifiInfo = mWifiManager.getConnectionInfo();  
    } 
    //取到WIFI状态
    public int checkWifiState(){
    	return mWifiManager.getWifiState();
    }
    //打开WIFI  
    public void OpenWifi()  
    {  
        if (!mWifiManager.isWifiEnabled())  
        {  
            mWifiManager.setWifiEnabled(true);  
              
        }  
    }  
    //关闭WIFI  
    public void CloseWifi()  
    {  
        if (!mWifiManager.isWifiEnabled())  
        {  
            mWifiManager.setWifiEnabled(false);   
        }  
    }  
    //锁定WifiLock  
    public void AcquireWifiLock()  
    {  
        mWifiLock.acquire();  
    }  
    //解锁WifiLock  
    public void ReleaseWifiLock()  
    {  
        //判断时候锁定  
        if (mWifiLock.isHeld())  
        {  
            mWifiLock.acquire();  
        }  
    }  
    //创建一个WifiLock  
    public void CreatWifiLock()  
    {  
        mWifiLock = mWifiManager.createWifiLock("Lock");  
    }  
    //得到配置好的网络  
    public List<WifiConfiguration> GetConfiguration()  
    {  
        return mWifiConfiguration;  
    }  
    //指定配置好的网络进行连接  
    public void ConnectConfiguration(int index)  
    {  
        //索引大于配置好的网络索引返回  
        if(index > mWifiConfiguration.size())  
        {  
            return;  
        }  
        //连接配置好的指定ID的网络  
        mWifiManager.enableNetwork(mWifiConfiguration.get(index).networkId, true);  
    }  
    public void StartScan()  
    {  
        mWifiManager.startScan();  
        //得到扫描结果  
        mWifiList = mWifiManager.getScanResults();  
        //得到配置好的网络连接  
        mWifiConfiguration = mWifiManager.getConfiguredNetworks();  
    }  
    //得到网络列表  
    public List<ScanResult> GetWifiList()  
    {  
        return mWifiList;  
    }  
    //查看扫描结果  
    public StringBuilder LookUpScan()  
    {  
        StringBuilder stringBuilder = new StringBuilder();  
        for (int i = 0; i < mWifiList.size(); i++)  
        {  
            stringBuilder.append("Index_"+new Integer(i + 1).toString() + ":");  
            //将ScanResult信息转换成一个字符串包  
            //其中把包括：BSSID、SSID、capabilities、frequency、level  
            stringBuilder.append((mWifiList.get(i)).toString());  
            stringBuilder.append("/n");  
        }  
        return stringBuilder;  
    }  
    //得到MAC地址  
    public String GetMacAddress()  
    {  
        return (mWifiInfo == null) ? "NULL" : mWifiInfo.getMacAddress();  
    }  
    //得到接入点的BSSID  
    public String GetBSSID()  
    {  
        return (mWifiInfo == null) ? "NULL" : mWifiInfo.getBSSID();  
    }  
    //得到IP地址  
    public int GetIPAddress()  
    {  
        return (mWifiInfo == null) ? 0 : mWifiInfo.getIpAddress();  
    }  
    //得到连接的ID  
    public int GetNetworkId()  
    {  
        return (mWifiInfo == null) ? 0 : mWifiInfo.getNetworkId();  
    }  
    //得到WifiInfo的所有信息包  
    public String GetWifiInfo()  
    {  
        return (mWifiInfo == null) ? "NULL" : mWifiInfo.toString();  
    }  
    //添加一个网络并连接  
    public void AddNetwork(WifiConfiguration wcg)  
    {  
        int wcgID = mWifiManager.addNetwork(wcg);   
        mWifiManager.enableNetwork(wcgID, true);   
    }  
    //断开指定ID的网络  
    public void DisconnectWifi(int netId)  
    {  
        mWifiManager.disableNetwork(netId);  
        mWifiManager.disconnect();  
    } 
}

配置文件：

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.amaker.net"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="8" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".JudgeNewWayDemoActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
</manifest>