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// ...
// Wait up to 2 seconds for the element be displayed on screen
val networkAndInternet = device.wait(Until.findObject(By.text("Network & internet")), 2000)
networkAndInternet.click()
// Click on element with text "Wi‑Fi"
val wifi = device.wait(Until.findObject(By.text("Wi‑Fi")), 2000)
wifi.click()
// Click on element with text "Add network"
val addNetwork = device.wait(Until.findObject(By.text("Add network")), 2000)
addNetwork.click()

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// ...
// Obtain an instance of UiObject2 of the text field
val ssidField = device.wait(Until.findObject(By.res("com.android.settings:id/ssid")), 2000)
// Call the setText method using  Kotlin's property access syntax
val ssid = "AndroidWifi"
ssidField.text = ssid
//Click on Save button
device.findObject(By.res("android:id/button1").text("Save")).click()

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@Test
fun validateWifi() {
    // Open apps list by scrolling on home screen
    val workspace = device.findObject(
        By.res("com.google.android.apps.nexuslauncher:id/workspace")
    )
    workspace.scroll(Direction.DOWN, 1.0f)

    // Click on Settings icon to launch the app
    val settings = device.findObject(

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sourceSets {
    androidTest {
        java.srcDir 'src/main/java'
    }
}

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plugins {
    id 'com.android.application'
    id 'kotlin-android'
}

android {
    compileSdkPreview "android-Tiramisu"

    defaultConfig {
        applicationId "com.paceli.sampleperapplanguage"

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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <TextView
        android:layout_width="wrap_content"

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private fun initLocalePicker() {
    val systemLocale = getString(R.string.system_locale)
    val spinner: Spinner = findViewById(R.id.localePicker)
    val locales = listOf(systemLocale, "en-US", "es-ES", "iw-IL", "ja-JP", "uk-UA")
    spinner.adapter = ArrayAdapter(this, android.R.layout.simple_list_item_1, locales)
    spinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
        override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
            val selectedLocale = spinner.adapter.getItem(position) as String
            if (selectedLocale != systemLocale) {
                updateAppLocales(Locale.forLanguageTag(selectedLocale))

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private fun updateAppLocales(vararg locales: Locale) {
    val localeManager = getSystemService(LocaleManager::class.java)
    localeManager.applicationLocales = LocaleList(*locales)
}

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private fun updateActivityTitle() {
    val localeManager = getSystemService(LocaleManager::class.java)
    val appLocales = localeManager.applicationLocales
    title = if (appLocales.isEmpty) {
        getString(R.string.system_locale)
    } else {
        appLocales.get(0).displayName
    }
}

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package com.paceli.sampleperapplanguage

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.view.View
import android.widget.AdapterView
import android.widget.ArrayAdapter
import android.widget.Spinner
import android.app.LocaleManager
import android.os.Build