Android / Connect Wifi on my app

Prerequsites

Env.

Android studio 3
Target API 26
Kotlin

Getting Started

1. Permission

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

2. Code

kotlin

fun wifiConnect() {
    val ssid = "my hotspot ssid"
    val key = "my hotspot password"
    val wifiConfig = WifiConfiguration()
    wifiConfig.SSID = "\"" + ssid + "\""
    wifiConfig.preSharedKey = "\"" + key + "\""
    wifiConfig.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK)

    val wifiManager = applicationContext.getSystemService(Context.WIFI_SERVICE) as WifiManager
    val netId = wifiManager.addNetwork(wifiConfig)
    wifiManager.disconnect()
    wifiManager.enableNetwork(netId, true)
    wifiManager.reconnect()
}