监控网络类型变化WIFI 3g

来源：互联网发布：国际期货交易软件编辑：程序博客网时间：2024/04/30 01:56
public class NetworkStateService extends Service {    private ConnectivityManager connectivityManager;    private NetworkInfo info;    private SharedPreferences shared;    private SharedPreferences.Editor editor;    private BroadcastReceiver mReceiver = new BroadcastReceiver() {        @Override        public void onReceive(Context context, Intent intent) {            String action = intent.getAction();            if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) {                //System.out.println("网络状态已经改变");                connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);                info = connectivityManager.getActiveNetworkInfo();                if (info != null && info.isAvailable()) {                    String name = info.getTypeName();                    if (name.equals("WIFI")) {                        //System.out.println("WIFI");                        editor.putString("netType", "wifi");                        editor.commit();                    } else {                        editor.putString("netType", "3g");                        editor.commit();                        //System.out.println("2G/3G");                    }                    //System.out.println("当前网络名称:"+name);                    //Toast.makeText(context, "当前网络名称:"+name, 0).show();                    //doSomething()                } else {                    //System.out.println("没有可用网络");                    //Toast.makeText(context, "没有可用网络", 0).show();                    //doSomething()                }            }        }    };    @Override    public IBinder onBind(Intent intent) {        return null;    }    @Override    public void onCreate() {        super.onCreate();        shared = getSharedPreferences("userInfo", 0);        editor = shared.edit();        IntentFilter mFilter = new IntentFilter();        mFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);        registerReceiver(mReceiver, mFilter);    }    @Override    public void onDestroy() {        super.onDestroy();        unregisterReceiver(mReceiver);    }    @Override    public int onStartCommand(Intent intent, int flags, int startId) {        return super.onStartCommand(intent, flags, startId);    }}
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