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Airtel Attendance App with basic structure #711

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app/src/main/AndroidManifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.gn.airtelattendance">

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

<application
android:allowBackup="true"
android:label="Airtel Attendance App"
android:icon="@mipmap/ic_launcher"
android:roundIcon="@mipmap/ic_launcher_round"
android:theme="@style/Theme.AirtelAttendance">
<activity android:name=".SplashActivity"
android:exported="true"
android:theme="@style/Theme.Splash">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>

<activity android:name=".MainActivity"
android:exported="true"
android:configChanges="orientation|screenSize|keyboardHidden"/>
</application>

</manifest>
app/src/main/java/com/gn/airtelattendance/SplashActivity.kt
package com.gn.airtelattendance

import android.content.Intent
import android.os.Bundle
import android.os.Handler
import android.os.Looper
import androidx.activity.ComponentActivity

class SplashActivity : ComponentActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
// theme-based splash (see styles)
Handler(Looper.getMainLooper()).postDelayed({
startActivity(Intent(this, MainActivity::class.java))
finish()
}, 1200) // 1.2s
}
}
app/src/main/java/com/gn/airtelattendance/MainActivity.kt
package com.gn.airtelattendance

import android.annotation.SuppressLint
import android.content.Context
import android.net.ConnectivityManager
import android.net.NetworkCapabilities
import android.os.Bundle
import android.view.KeyEvent
import android.view.Menu
import android.view.MenuItem
import android.webkit.WebChromeClient
import android.webkit.WebResourceRequest
import android.webkit.WebView
import android.webkit.WebViewClient
import android.widget.Toast
import androidx.activity.ComponentActivity
import androidx.appcompat.app.AlertDialog
import androidx.appcompat.widget.Toolbar
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
import java.lang.Exception

class MainActivity : ComponentActivity() {

private lateinit var webView: WebView
private lateinit var swipe: SwipeRefreshLayout
private val url = "https://forms.gle/3zbwmyRZ7V2TrSy47"

@SuppressLint("SetJavaScriptEnabled")
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)

val toolbar = findViewById<Toolbar>(R.id.toolbar)
toolbar.title = "Airtel Attendance App"
toolbar.setNavigationOnClickListener { finish() }

swipe = findViewById(R.id.swipe)
webView = findViewById(R.id.webview)
webView.settings.javaScriptEnabled = true
webView.settings.domStorageEnabled = true
webView.webViewClient = object : WebViewClient() {
override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest): Boolean {
return false
}
override fun onReceivedError(view: WebView, errorCode: Int, description: String?, failingUrl: String?) {
showOfflineDialog()
}
}
webView.webChromeClient = WebChromeClient()

swipe.setOnRefreshListener {
if (isOnline()) {
webView.reload()
} else {
swipe.isRefreshing = false
showOfflineDialog()
}
}

// load
if (isOnline()) webView.loadUrl(url) else showOfflineDialog()
}

override fun onCreateOptionsMenu(menu: Menu?): Boolean {
menuInflater.inflate(R.menu.main_menu, menu)
return true
}

override fun onOptionsItemSelected(item: MenuItem): Boolean {
when(item.itemId) {
R.id.action_refresh -> {
if (isOnline()) {
webView.reload()
Toast.makeText(this, "Refreshing...", Toast.LENGTH_SHORT).show()
} else showOfflineDialog()
}
R.id.action_share -> {
try {
val i = android.content.Intent().apply {
action = android.content.Intent.ACTION_SEND
putExtra(android.content.Intent.EXTRA_TEXT, url)
type = "text/plain"
}
startActivity(android.content.Intent.createChooser(i, "Share link"))
} catch (e: Exception) { /* ignore */ }
}
}
return super.onOptionsItemSelected(item)
}

override fun onKeyDown(keyCode: Int, event: KeyEvent): Boolean {
if (::webView.isInitialized && keyCode == KeyEvent.KEYCODE_BACK && webView.canGoBack()) {
webView.goBack()
return true
}
return super.onKeyDown(keyCode, event)
}

private fun showOfflineDialog() {
swipe.isRefreshing = false
AlertDialog.Builder(this)
.setTitle("No Internet")
.setMessage("Internet connection not available. Please connect and try again.")
.setPositiveButton("Retry") { _, _ ->
if (isOnline()) webView.loadUrl(url) else Toast.makeText(this, "Still offline", Toast.LENGTH_SHORT).show()
}
.setNegativeButton("Open Settings") { _, _ ->
startActivity(android.provider.Settings.ACTION_WIFI_SETTINGS.let { android.content.Intent(it) })
}
.show()
}

private fun isOnline(): Boolean {
val cm = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
val n = cm.activeNetwork ?: return false
val caps = cm.getNetworkCapabilities(n) ?: return false
return caps.hasTransport(NetworkCapabilities.TRANSPORT_WIFI) || caps.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)
}

override fun onDestroy() {
if (::webView.isInitialized) {
webView.loadUrl("about:blank")
}
super.onDestroy()
}
}
app/src/main/res/layout/activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout 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">

<com.google.android.material.appbar.MaterialToolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="#E40000"
android:titleTextColor="#FFFFFF"/>

<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
android:id="@+id/swipe"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="?attr/actionBarSize">

<WebView
android:id="@+id/webview"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>

</androidx.coordinatorlayout.widget.CoordinatorLayout>
app/src/main/res/menu/main_menu.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/action_refresh" android:title="Refresh" android:icon="@android:drawable/ic_menu_rotate" android:showAsAction="ifRoom"/>
<item android:id="@+id/action_share" android:title="Share" android:icon="@android:drawable/ic_menu_share" android:showAsAction="ifRoom"/>
</menu>
app/src/main/res/values/styles.xml
<resources>
<style name="Theme.AirtelAttendance" parent="Theme.MaterialComponents.DayNight.NoActionBar">
<item name="colorPrimary">#E40000</item>
<item name="colorPrimaryVariant">#B00000</item>
<item name="colorOnPrimary">#FFFFFF</item>
</style>

<style name="Theme.Splash" parent="Theme.MaterialComponents.DayNight.NoActionBar">
<item name="android:windowBackground">@drawable/splash_background</item>
</style>
</resources>
app/src/main/res/drawable/splash_background.xml
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@color/airtel_red"/>
<item>
<bitmap android:gravity="center" android:src="@mipmap/ic_launcher"/>
</item>
</layer-list>
app/src/main/res/values/colors.xml
<resources>
<color name="airtel_red">#E40000</color>
</resources>
adaptive icon XML (mipmap-anydpi-v26/ic_launcher.xml):
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@color/airtel_red"/>
<foreground android:drawable="@mipmap/ic_foreground_gn"/>
</adaptive-icon>
ic_foreground_gn.png
app/build.gradle
plugins {
id 'com.android.application'
id 'org.jetbrains.kotlin.android'
}

android {
namespace 'com.gn.airtelattendance'
compileSdk 34

defaultConfig {
applicationId "com.gn.airtelattendance"
minSdk 21
targetSdk 34
versionCode 1
versionName "1.0"
}

buildTypes {
release {
// produce unsigned AAR/APK (you can add signing in CI if you want)
signingConfig null
minifyEnabled false
}
}

compileOptions {
sourceCompatibility JavaVersion.VERSION_17
targetCompatibility JavaVersion.VERSION_17
}
kotlinOptions { jvmTarget = '17' }
}

dependencies {
implementation "org.jetbrains.kotlin:kotlin-stdlib:1.9.10"
implementation 'androidx.core:core-ktx:1.12.0'
implementation 'androidx.appcompat:appcompat:1.6.1'
implementation 'com.google.android.material:material:1.10.0'
implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.2.1'
}
Create file: .github/workflows/android-build.yml
name: Android CI - Build APK

on:
push:
branches: [ main, master ]
workflow_dispatch:

jobs:
build:
name: Build debug APK
runs-on: ubuntu-latest

steps:
- name: Checkout
uses: actions/checkout@v4

- name: Set up JDK 17
uses: actions/setup-java@v4
with:
distribution: temurin
java-version: '17'

- name: Cache Gradle
uses: actions/cache@v4
with:
path: |
~/.gradle/caches
~/.gradle/wrapper
key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
restore-keys: |
${{ runner.os }}-gradle-

- name: Grant execute permission for gradlew
run: chmod +x gradlew

- name: Build Debug APK
run: ./gradlew assembleDebug --no-daemon

- name: Upload artifact (APK)
uses: actions/upload-artifact@v4
with:
name: airtel-attendance-apk
path: app/build/outputs/apk/debug/*.apk