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<selectionStates> <selectionStates>
<SelectionState runConfigName="app"> <SelectionState runConfigName="app">
<option name="selectionMode" value="DROPDOWN" /> <option name="selectionMode" value="DROPDOWN" />
<DropdownSelection timestamp="2026-01-13T05:20:56.137492Z">
<Target type="DEFAULT_BOOT">
<handle>
<DeviceId pluginId="PhysicalDevice" identifier="serial=RR8TA08RD8Z" />
</handle>
</Target>
</DropdownSelection>
<DialogSelection />
</SelectionState> </SelectionState>
</selectionStates> </selectionStates>
</component> </component>

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<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<project version="4"> <project version="4">
<component name="GradleMigrationSettings" migrationVersion="1" />
<component name="GradleSettings"> <component name="GradleSettings">
<option name="linkedExternalProjectsSettings"> <option name="linkedExternalProjectsSettings">
<GradleProjectSettings> <GradleProjectSettings>

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.idea/markdown.xml generated
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="MarkdownSettings">
<option name="previewPanelProviderInfo">
<ProviderInfo name="Compose (experimental)" className="com.intellij.markdown.compose.preview.ComposePanelProvider" />
</option>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4"> <project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" /> <component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK"> <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="StudioBotProjectSettings">
<option name="shareContext" value="OptedIn" />
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@ -1,95 +1,3 @@
# 📱 Aplikasi Absensi Akademik Berbasis Koordinat dan Foto (Mobile) # Aplikasi Sistem Akademik Mobile
## 📌 Deskripsi Proyek Untuk
Proyek ini merupakan **Tugas Project Akhir Mata Kuliah Pemrograman Mobile** yang bertujuan untuk membangun **aplikasi akademik berbasis mobile** dengan fokus pada **fitur absensi menggunakan data koordinat (GPS) dan pengambilan foto mahasiswa**.
Aplikasi ini dirancang untuk meningkatkan **validitas kehadiran mahasiswa**, dengan memastikan bahwa absensi hanya dapat dilakukan apabila mahasiswa:
1. Berada pada **lokasi yang telah ditentukan**, dan
2. Melakukan **pengambilan foto (selfie) secara langsung saat absensi**
---
## 🎯 Tujuan Proyek
- Mengimplementasikan **Location-Based Service (LBS)** pada aplikasi mobile
- Mengintegrasikan **kamera perangkat** untuk dokumentasi absensi
- Mencegah kecurangan absensi (titip absen)
- Mengembangkan aplikasi mobile akademik berbasis Android
- Melatih kemampuan perancangan dan implementasi aplikasi mobile
---
## 🚀 Fitur Utama
- 🔐 **Login Pengguna (Mahasiswa)**
- 📍 **Pengambilan Koordinat Lokasi (Latitude & Longitude)**
- 🏫 **Validasi Lokasi Absensi (Radius Area)**
- 📸 **Pengambilan Foto Mahasiswa Saat Absensi**
- 🕒 **Pencatatan Waktu Absensi**
- 📄 **Riwayat Kehadiran Mahasiswa**
- ⚠️ **Notifikasi Absensi Ditolak jika Tidak Valid**
---
## 🗺️ Mekanisme Absensi Berbasis Lokasi dan Foto
1. Mahasiswa melakukan **login**
2. Memilih menu **Absensi**
3. Sistem meminta:
- Izin **akses lokasi**
- Izin **akses kamera**
4. Aplikasi mengambil:
- 📍 **Koordinat lokasi mahasiswa**
- 📸 **Foto mahasiswa secara real-time**
5. Sistem melakukan validasi:
- Lokasi berada dalam **radius absensi**
- Foto berhasil diambil
6. Jika valid → **Absensi berhasil**
7. Jika tidak valid → **Absensi ditolak**
---
## 📸 Pengambilan Foto Saat Absensi
- Foto diambil menggunakan **kamera depan (selfie)**
- Foto hanya dapat diambil **saat proses absensi**
- Foto disimpan sebagai **bukti kehadiran**
- Foto dapat digunakan untuk:
- Verifikasi manual oleh dosen
- Dokumentasi akademik
---
## 🛠️ Teknologi yang Digunakan
- **Platform** : Android
- **Bahasa Pemrograman** : Kotlin / Java
- **Location Service** :
- Google Maps API
- Fused Location Provider
- **Camera API** : CameraX / Camera2
- **Database** : Firebase / SQLite / MySQL
- **Storage** : Firebase Storage / Local Storage
- **IDE** : Android Studio
---
## 🔐 Izin Aplikasi (Permissions)
Aplikasi memerlukan izin berikut:
- `ACCESS_FINE_LOCATION`
- `ACCESS_COARSE_LOCATION`
- `CAMERA`
- `INTERNET`
- `WRITE_EXTERNAL_STORAGE` (jika diperlukan)
---
## 📂 Mockup
![mockup](Mockup.png)
## Catatan:
- Kembangkan project dari starter yang sudah disediakan, tidak membuat dari awal.
- Untuk koordinat bisa ditambah/kurangi angka tertentu agar tidak memunculkan koordinat rumah masing-masing, data awal tetap dari GPS.
## Pengecekan:
- https://ntfy.ubharajaya.ac.id/EAS
- https://docs.google.com/spreadsheets/d/1jH15MfnNgpPGuGeid0hYfY7fFUHCEFbCmg8afTyyLZs/edit?gid=0#gid=0
## Webhook:
- test: https://n8n.lab.ubharajaya.ac.id/webhook-test/23c6993d-1792-48fb-ad1c-ffc78a3e6254
- production: https://n8n.lab.ubharajaya.ac.id/webhook/23c6993d-1792-48fb-ad1c-ffc78a3e6254

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@ -45,15 +45,11 @@ dependencies {
implementation(libs.androidx.core.ktx) implementation(libs.androidx.core.ktx)
implementation(libs.androidx.lifecycle.runtime.ktx) implementation(libs.androidx.lifecycle.runtime.ktx)
implementation(libs.androidx.activity.compose) implementation(libs.androidx.activity.compose)
implementation("androidx.activity:activity-compose:1.9.0")
implementation(platform(libs.androidx.compose.bom)) implementation(platform(libs.androidx.compose.bom))
implementation(libs.androidx.compose.ui) implementation(libs.androidx.compose.ui)
implementation(libs.androidx.compose.ui.graphics) implementation(libs.androidx.compose.ui.graphics)
implementation(libs.androidx.compose.ui.tooling.preview) implementation(libs.androidx.compose.ui.tooling.preview)
implementation(libs.androidx.compose.material3) implementation(libs.androidx.compose.material3)
// Location (GPS)
implementation("com.google.android.gms:play-services-location:21.0.1")
testImplementation(libs.junit) testImplementation(libs.junit)
androidTestImplementation(libs.androidx.junit) androidTestImplementation(libs.androidx.junit)
androidTestImplementation(libs.androidx.espresso.core) androidTestImplementation(libs.androidx.espresso.core)

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@ -2,14 +2,6 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android" <manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"> xmlns:tools="http://schemas.android.com/tools">
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.CAMERA"/>
<uses-feature
android:name="android.hardware.camera"
android:required="false" />
<application <application
android:allowBackup="true" android:allowBackup="true"
android:dataExtractionRules="@xml/data_extraction_rules" android:dataExtractionRules="@xml/data_extraction_rules"

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@ -1,113 +1,28 @@
package id.ac.ubharajaya.sistemakademik package id.ac.ubharajaya.sistemakademik
import android.Manifest
import android.annotation.SuppressLint
import android.app.Activity
import android.content.Intent
import android.content.pm.PackageManager
import android.graphics.Bitmap
import android.os.Bundle import android.os.Bundle
import android.provider.MediaStore
import android.util.Base64
import android.widget.Toast
import androidx.activity.ComponentActivity import androidx.activity.ComponentActivity
import androidx.activity.compose.rememberLauncherForActivityResult
import androidx.activity.compose.setContent import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge import androidx.activity.enableEdgeToEdge
import androidx.activity.result.contract.ActivityResultContracts import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.* import androidx.compose.foundation.layout.padding
import androidx.compose.material3.* import androidx.compose.material3.Scaffold
import androidx.compose.runtime.* import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.core.content.ContextCompat
import com.google.android.gms.location.LocationServices
import id.ac.ubharajaya.sistemakademik.ui.theme.SistemAkademikTheme import id.ac.ubharajaya.sistemakademik.ui.theme.SistemAkademikTheme
import org.json.JSONObject
import java.io.ByteArrayOutputStream
import java.net.HttpURLConnection
import java.net.URL
import kotlin.concurrent.thread
/* ================= UTIL ================= */
fun bitmapToBase64(bitmap: Bitmap): String {
val outputStream = ByteArrayOutputStream()
bitmap.compress(Bitmap.CompressFormat.JPEG, 80, outputStream)
return Base64.encodeToString(outputStream.toByteArray(), Base64.NO_WRAP)
}
fun kirimKeN8n(
context: ComponentActivity,
latitude: Double,
longitude: Double,
foto: Bitmap
) {
thread {
try {
val url = URL("https://n8n.lab.ubharajaya.ac.id/webhook/23c6993d-1792-48fb-ad1c-ffc78a3e6254")
// test URL val url = URL("https://n8n.lab.ubharajaya.ac.id/webhook-test/23c6993d-1792-48fb-ad1c-ffc78a3e6254")
val conn = url.openConnection() as HttpURLConnection
conn.requestMethod = "POST"
conn.setRequestProperty("Content-Type", "application/json")
conn.doOutput = true
val json = JSONObject().apply {
put("npm", "12345")
put("nama","Arif R D")
put("latitude", latitude)
put("longitude", longitude)
put("timestamp", System.currentTimeMillis())
put("foto_base64", bitmapToBase64(foto))
}
conn.outputStream.use {
it.write(json.toString().toByteArray())
}
val responseCode = conn.responseCode
context.runOnUiThread {
Toast.makeText(
context,
if (responseCode == 200)
"Absensi diterima server"
else
"Absensi ditolak server",
Toast.LENGTH_SHORT
).show()
}
conn.disconnect()
} catch (_: Exception) {
context.runOnUiThread {
Toast.makeText(
context,
"Gagal kirim ke server",
Toast.LENGTH_SHORT
).show()
}
}
}
}
/* ================= ACTIVITY ================= */
class MainActivity : ComponentActivity() { class MainActivity : ComponentActivity() {
override fun onCreate(savedInstanceState: Bundle?) { override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState) super.onCreate(savedInstanceState)
enableEdgeToEdge() enableEdgeToEdge()
setContent { setContent {
SistemAkademikTheme { SistemAkademikTheme {
Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding -> Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
AbsensiScreen( Greeting(
modifier = Modifier.padding(innerPadding), name = "Android",
activity = this modifier = Modifier.padding(innerPadding)
) )
} }
} }
@ -115,162 +30,18 @@ class MainActivity : ComponentActivity() {
} }
} }
/* ================= UI ================= */
@SuppressLint("NewApi")
@Composable @Composable
fun AbsensiScreen( fun Greeting(name: String, modifier: Modifier = Modifier) {
modifier: Modifier = Modifier, Text(
activity: ComponentActivity text = "Hello $name!",
) {
val context = LocalContext.current
var lokasi by remember { mutableStateOf("Koordinat: -") }
var latitude by remember { mutableStateOf<Double?>(null) }
var longitude by remember { mutableStateOf<Double?>(null) }
var foto by remember { mutableStateOf<Bitmap?>(null) }
val fusedLocationClient =
LocationServices.getFusedLocationProviderClient(context)
/* ===== Permission Lokasi ===== */
val locationPermissionLauncher =
rememberLauncherForActivityResult(
ActivityResultContracts.RequestPermission()
) { granted ->
if (granted) {
if (
ContextCompat.checkSelfPermission(
context,
Manifest.permission.ACCESS_FINE_LOCATION
) == PackageManager.PERMISSION_GRANTED
) {
fusedLocationClient.lastLocation
.addOnSuccessListener { location ->
if (location != null) {
latitude = location.latitude
longitude = location.longitude
lokasi =
"Lat: ${location.latitude}\nLon: ${location.longitude}"
} else {
lokasi = "Lokasi tidak tersedia"
}
}
.addOnFailureListener {
lokasi = "Gagal mengambil lokasi"
}
}
} else {
Toast.makeText(
context,
"Izin lokasi ditolak",
Toast.LENGTH_SHORT
).show()
}
}
/* ===== Kamera ===== */
val cameraLauncher =
rememberLauncherForActivityResult(
ActivityResultContracts.StartActivityForResult()
) { result ->
if (result.resultCode == Activity.RESULT_OK) {
val bitmap =
result.data?.extras?.getParcelable("data", Bitmap::class.java)
if (bitmap != null) {
foto = bitmap
Toast.makeText(
context,
"Foto berhasil diambil",
Toast.LENGTH_SHORT
).show()
}
}
}
val cameraPermissionLauncher =
rememberLauncherForActivityResult(
ActivityResultContracts.RequestPermission()
) { granted ->
if (granted) {
val intent =
Intent(MediaStore.ACTION_IMAGE_CAPTURE)
cameraLauncher.launch(intent)
} else {
Toast.makeText(
context,
"Izin kamera ditolak",
Toast.LENGTH_SHORT
).show()
}
}
/* ===== Request Awal ===== */
LaunchedEffect(Unit) {
locationPermissionLauncher.launch(
Manifest.permission.ACCESS_FINE_LOCATION
)
}
/* ===== UI ===== */
Column(
modifier = modifier modifier = modifier
.fillMaxSize() )
.padding(24.dp),
verticalArrangement = Arrangement.Center
) {
Text(
text = "Absensi Akademik",
style = MaterialTheme.typography.titleLarge
)
Spacer(modifier = Modifier.height(16.dp))
Text(text = lokasi)
Spacer(modifier = Modifier.height(16.dp))
Button(
onClick = {
cameraPermissionLauncher.launch(
Manifest.permission.CAMERA
)
},
modifier = Modifier.fillMaxWidth()
) {
Text("Ambil Foto")
}
Spacer(modifier = Modifier.height(12.dp))
Button(
onClick = {
if (latitude != null && longitude != null && foto != null) {
kirimKeN8n(
activity,
latitude!!,
longitude!!,
foto!!
)
} else {
Toast.makeText(
context,
"Lokasi atau foto belum lengkap",
Toast.LENGTH_SHORT
).show()
}
},
modifier = Modifier.fillMaxWidth()
) {
Text("Kirim Absensi")
}
}
} }
@Preview(showBackground = true)
@Composable
fun GreetingPreview() {
SistemAkademikTheme {
Greeting("Android")
}
}

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@ -1,225 +0,0 @@
{
"name": "EAS",
"nodes": [
{
"parameters": {
"method": "POST",
"url": "https://ntfy.ubharajaya.ac.id/EAS",
"sendBody": true,
"contentType": "raw",
"body": "=Absensi: {{ $json.body.nama }} NPM: {{ $json.body.npm }}",
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.3,
"position": [
-272,
-240
],
"id": "83504eec-6d20-46d7-9ea1-509ae4ee8660",
"name": "NTFY HTTP Request"
},
{
"parameters": {
"httpMethod": "POST",
"path": "23c6993d-1792-48fb-ad1c-ffc78a3e6254",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2.1,
"position": [
-864,
-112
],
"id": "9ed3d2db-2d50-40b5-8408-7404edd48442",
"name": "Webhook Absensi",
"webhookId": "23c6993d-1792-48fb-ad1c-ffc78a3e6254"
},
{
"parameters": {
"operation": "append",
"documentId": {
"__rl": true,
"value": "1jH15MfnNgpPGuGeid0hYfY7fFUHCEFbCmg8afTyyLZs",
"mode": "id"
},
"sheetName": {
"__rl": true,
"value": "Absensi",
"mode": "name"
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"latitude": "={{ $json.body.latitude }}",
"longitude": "={{ $json.body.longitude }}",
"timestamp": "={{ $json.body.timestamp }}",
"foto_base64": "={{ $json.body.foto_base64 }}",
"nama": "={{ $json.body.nama }}",
"npm": "={{ $json.body.npm }}"
},
"matchingColumns": [],
"schema": [
{
"id": "timestamp",
"displayName": "timestamp",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "npm",
"displayName": "npm",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "nama",
"displayName": "nama",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "latitude",
"displayName": "latitude",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "longitude",
"displayName": "longitude",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "photo",
"displayName": "photo",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "status",
"displayName": "status",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "foto_base64",
"displayName": "foto_base64",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
}
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {}
},
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 4.7,
"position": [
-272,
-32
],
"id": "cd83a9fa-ea00-4a20-aa31-846bfe044aeb",
"name": "Append row in sheet",
"credentials": {
"googleSheetsOAuth2Api": {
"id": "hNVNhkTQbqkJ3C56",
"name": "Google Sheets account"
}
}
},
{
"parameters": {
"jsCode": "// Loop over input items and add a new field called 'myNewField' to the JSON of each one\nfor (const item of $input.all()) {\n item.json.myNewField = 1;\n}\n\nreturn $input.all();"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-528,
-240
],
"id": "4ed9edf6-4562-41b6-afd0-89c96991454a",
"name": "Code in JavaScript"
}
],
"pinData": {},
"connections": {
"Webhook Absensi": {
"main": [
[
{
"node": "Append row in sheet",
"type": "main",
"index": 0
},
{
"node": "Code in JavaScript",
"type": "main",
"index": 0
}
]
]
},
"NTFY HTTP Request": {
"main": [
[]
]
},
"Code in JavaScript": {
"main": [
[
{
"node": "NTFY HTTP Request",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1",
"availableInMCP": false
},
"versionId": "49466b31-67ce-49b7-af37-33cd28d7092d",
"meta": {
"templateCredsSetupCompleted": true,
"instanceId": "b8ffac81bb85d267c3296e074b3e692ecef11caeef79fa72af892085548f350a"
},
"id": "E_gxZpNrN3G5ibejHcTFS",
"tags": []
}