kotlin wifimanager for android studio example

kotlin wifimanager for android studio example

In this article, today learn kotlin wifi manager for android studio example. follow the tutorial kotlin wifi manager for an android studio example.

Android allows applications to access to view access to the state of the wireless connections at a very low level. Application can access almost all the information on a wifi connection.

The information that an application can access includes connected network's link speed, IP address, negotiation state, other network information. Applications can also scan, add, save, terminate and initiate Wi-Fi connections.

follow the kotline wifi manager example:

1.MainActivity.kt :

import android.net.wifi.WifiManager

import android.os.Bundle

import android.app.Activity

import android.content.Context

import android.view.View

import android.view.View.OnClickListener

import android.widget.Button

class MainActivity:Activity() {

  internal var enableButton:Button

  internal var disableButton:Button

   protected fun onCreate(savedInstanceState:Bundle) {

    super.onCreate(savedInstanceState)

    setContentView(R.layout.activity_main)

    enableButton = findViewById(R.id.button1) as Button

    disableButton = findViewById(R.id.button2) as Button

    enableButton.setOnClickListener(object:OnClickListener() {

      fun onClick(v:View) {

        val wifi = getSystemService(Context.WIFI_SERVICE) as WifiManager

        wifi.setWifiEnabled(true)

      }

    })

    disableButton.setOnClickListener(object:OnClickListener() {

      fun onClick(v:View) {

        val wifi = getSystemService(Context.WIFI_SERVICE) as WifiManager

        wifi.setWifiEnabled(false)

      }

    })

  }

}

2. 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:paddingLeft="@dimen/activity_horizontal_margin"

   android:paddingRight="@dimen/activity_horizontal_margin"

   android:paddingTop="@dimen/activity_vertical_margin"

   android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">

           

   <ImageView

      android:layout_width="wrap_content"

      android:layout_height="wrap_content"

      android:id="@+id/imageView"

      android:src="@drawable/abc"

      android:layout_alignParentTop="true"

      android:layout_centerHorizontal="true" />

                       

   <Button

      android:id="@+id/button1"

      android:layout_width="wrap_content"

      android:layout_height="wrap_content"

      android:layout_marginLeft="76dp"

      android:text="Enable Wifi"

      android:layout_centerVertical="true"

      android:layout_alignEnd="@+id/imageView" />

   <Button

      android:id="@+id/button2"

      android:layout_width="wrap_content"

      android:layout_height="wrap_content"

      android:text="Disable Wifi"

      android:layout_marginBottom="93dp"

      android:layout_alignParentBottom="true"

      android:layout_alignStart="@+id/imageView" />

</RelativeLayout>

3. AndroidManifest.xml:

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

   package="com.example.wifi.myapplication" >

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

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

  

   <application

      android:allowBackup="true"

      android:icon="@mipmap/ic_launcher"

      android:label="@string/app_name"

      android:theme="@style/AppTheme" >

     

      <activity

         android:name=".MainActivity"

         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>

</manifest>