package com.example.NetworkChangeReceiver2;

import android.app.Activity;

import android.content.Context;

import android.net.ConnectivityManager;

import android.net.NetworkInfo;

import android.os.Bundle;

import android.view.View;

import android.widget.Toast;

public class MyActivity extends Activity {

    ConnectivityManager connectivityManager;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

    }

    public void isWifi(View view) {

        NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();

        if (activeNetworkInfo == null) {

            Toast.makeText(this, "没有联网！", 1).show();

            return;

        }

        if(activeNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI) {

            Toast.makeText(this, "连接的网络是wifi！", 1).show();

        } else {

            Toast.makeText(this, "不是wifi！", 1).show();

        }

    }

    public void isMobile(View view) {

        NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();

        if (activeNetworkInfo == null) {

            Toast.makeText(this, "没有联网！", 1).show();

            return;

        }

        if(activeNetworkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {

            Toast.makeText(this, "连接的网络是移动数据流量！", 1).show();

        } else {

            Toast.makeText(this, "不是移动数据流量！", 1).show();

        }

    }

}