States.java

package com.example.testapp.Util;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

import android.net.NetworkInfo.State;
import android.util.Log;

public class States {
    private static int Net_State_Wifi = 2;
    private static int Net_State_Mobile = 1;
    private static int Net_No = 0;
    private static int Net_others = 3;
    private static int Get_Net_State_Fail = -1;
    private static int Net_State = Get_Net_State_Fail;
    private static String TAG = "States";
    public static void isNetworkConnected(Context context) {
        ConnectivityManager mConnectivityManager = (ConnectivityManager) context
                    .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
        Log.i(TAG, String.format("isNetworkConnected: %s",mNetworkInfo));
        if (null == mNetworkInfo){
            Net_State = Get_Net_State_Fail;
            return;
        }

        if (mNetworkInfo.getType() == ConnectivityManager.TYPE_MOBILE){
            Log.i(TAG, String.format("isNetworkConnected: %s",mNetworkInfo.getType()));
            Net_State = Net_State_Mobile;
            return;
        }
        if (mNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI){
            Log.i(TAG, String.format("isNetworkConnected: %s",mNetworkInfo.isConnected()));
            Net_State = Net_State_Wifi;
            return;
        }
        if (!mNetworkInfo.isConnected()){
            Log.i(TAG, String.format("isNetworkConnected: %s",mNetworkInfo.isConnected()));
            Net_State = Net_No;
        }else{
            Log.i(TAG, String.format("isNetworkConnected: %s",mNetworkInfo.isConnected()));
            Net_State = Net_others;
        }
    }

    public static String getNetName(Context context){
        isNetworkConnected(context);
        if (Net_State == Net_No){
            return "Net_No";
        }else if(Net_State == Net_State_Mobile){
            return "Net_State_Mobile";
        }else if(Net_State == Net_State_Wifi){
            return "Net_State_Wifi";
        }else if(Net_State == Get_Net_State_Fail){
            return "Get_Net_State_Fail";
        }else{
            return "Net_others";
        }
    }

}