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Android - Detect on which Network (WiFi or Mobile Data) Mobile is connected.

In this code snippet/application, we will learn how to detect connected network, this code will print Android device is connected on either WiFi or Mobile data.

Android Code Snippet - To Detect Connected Network

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.includehelp.networkinfo.MainActivity">


    <Button
        android:id="@+id/btnchk"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Check Network Info"
        android:layout_marginTop="20dp"
        android:onClick="getNetworkStatus"/>

    <TextView
        android:id="@+id/showstatus"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:gravity="center"
        android:layout_below="@id/btnchk"/>
</RelativeLayout>

MainActivity.java

package com.includehelp.networkinfo;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    TextView txtStatus;
    NetworkInfo wifiInfo;
    NetworkInfo mobInfo;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        txtStatus = (TextView)findViewById(R.id.showstatus);
    }

    public void getNetworkStatus(View v){
        ConnectivityManager conManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo[] networkInfo = conManager.getAllNetworkInfo();
        for (NetworkInfo netInfo : networkInfo) {
            if (netInfo.getTypeName().equalsIgnoreCase("WIFI")) {
                if (netInfo.isConnected()) {
                    txtStatus.setText("Wifi Connected");
                }
            }
            else if (netInfo.getTypeName().equalsIgnoreCase("MOBILE")) {
                if (netInfo.isConnected()) {
                    txtStatus.setText("Mobile Data Connected");
                }
            }
        }
    }
}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.includehelp.networkinfo">

    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

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

</manifest>

Result