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12 changed files with 23 additions and 677 deletions

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@ -4,14 +4,6 @@
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<DropdownSelection timestamp="2026-01-13T05:20:56.137492Z">
<Target type="DEFAULT_BOOT">
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<DeviceId pluginId="PhysicalDevice" identifier="serial=RR8TA08RD8Z" />
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<DialogSelection />
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@ -1,13 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
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1
.idea/gradle.xml generated
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@ -1,6 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GradleMigrationSettings" migrationVersion="1" />
<component name="GradleSettings">
<option name="linkedExternalProjectsSettings">
<GradleProjectSettings>

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@ -1,50 +0,0 @@
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<profile version="1.0">
<option name="myName" value="Project Default" />
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1
.idea/misc.xml generated
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@ -1,3 +1,4 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
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<component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">

6
.idea/studiobot.xml generated
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@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
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@ -79,25 +79,4 @@ Aplikasi memerlukan izin berikut:
---
## 📂 Mockup
![mockup](Mockup.png)
gambar mockup dibuat oleh AI
## Catatan:
- Starter project ini dibuat berbantukan AI
- Kembangkan project dari starter yang sudah disediakan, jangan 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
## Acknowledgment
Pengembangan dan penyusunan aplikasi ini dilakukan dengan bantuan kecerdasan buatan (AI)
sebagai alat pendukung dalam proses brainstorming, penjelasan konsep, serta perbaikan struktur kode.
Seluruh implementasi, pengujian, dan penyesuaian akhir dilakukan oleh penulis.
## 📂 Struktur Proyek (Contoh)

View File

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

View File

@ -2,14 +2,6 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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
android:allowBackup="true"
android:dataExtractionRules="@xml/data_extraction_rules"

View File

@ -1,136 +1,28 @@
package id.ac.ubharajaya.sistemakademik
import android.Manifest
import android.app.Activity
import android.content.Intent
import android.content.pm.PackageManager
import android.graphics.Bitmap
import android.location.Location
import android.os.Bundle
import android.provider.MediaStore
import android.util.Base64
import android.widget.Toast
import androidx.activity.ComponentActivity
import androidx.activity.compose.rememberLauncherForActivityResult
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.activity.result.contract.ActivityResultContracts
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.*
import androidx.compose.material3.*
import androidx.compose.runtime.*
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.asImageBitmap
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.unit.dp
import androidx.core.content.ContextCompat
import com.google.android.gms.location.LocationServices
import androidx.compose.ui.tooling.preview.Preview
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
/* ================= KONFIGURASI LOKASI ================= */
const val KAMPUS_LAT = -6.222967558410948
const val KAMPUS_LON = 107.00931291609834
const val MAX_RADIUS = 50 // meter
fun hitungJarak(
lat1: Double, lon1: Double,
lat2: Double, lon2: Double
): Float {
val hasil = FloatArray(1)
Location.distanceBetween(lat1, lon1, lat2, lon2, hasil)
return hasil[0]
}
/* ================= 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,
npm: String,
nama: String,
mataKuliah: String,
latitude: Double,
longitude: Double,
foto: Bitmap,
status: String
) {
thread {
try {
val url = URL("https://n8n.lab.ubharajaya.ac.id/webhook/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", npm)
put("nama", nama)
put("mata_kuliah", mataKuliah)
put("latitude", latitude)
put("longitude", longitude)
put("timestamp", System.currentTimeMillis())
put("status", status)
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 $status"
else
"Server menolak absensi",
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() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
enableEdgeToEdge()
setContent {
SistemAkademikTheme {
Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
AbsensiScreen(
modifier = Modifier.padding(innerPadding),
activity = this
Greeting(
name = "Android",
modifier = Modifier.padding(innerPadding)
)
}
}
@ -138,229 +30,18 @@ class MainActivity : ComponentActivity() {
}
}
/* ================= UI ================= */
@Composable
fun AbsensiScreen(
modifier: Modifier = Modifier,
activity: ComponentActivity
) {
val context = LocalContext.current
var npm by remember { mutableStateOf("") }
var nama by remember { mutableStateOf("") }
var mataKuliah by remember { mutableStateOf("") }
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"
}
}
}
} 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?.get("data") as? Bitmap
if (bitmap != null) {
foto = bitmap
Toast.makeText(
context,
"Foto berhasil diambil",
Toast.LENGTH_SHORT
).show()
} else {
Toast.makeText(
context,
"Gagal mengambil foto",
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()
}
}
LaunchedEffect(Unit) {
locationPermissionLauncher.launch(
Manifest.permission.ACCESS_FINE_LOCATION
)
}
/* ===== UI ===== */
Column(
modifier = modifier
.fillMaxSize()
.padding(24.dp),
verticalArrangement = Arrangement.Center
) {
fun Greeting(name: String, modifier: Modifier = Modifier) {
Text(
text = "Absensi Akademik",
style = MaterialTheme.typography.titleLarge
text = "Hello $name!",
modifier = modifier
)
}
Spacer(modifier = Modifier.height(16.dp))
OutlinedTextField(
value = npm,
onValueChange = { npm = it },
label = { Text("NPM") },
modifier = Modifier.fillMaxWidth()
)
OutlinedTextField(
value = nama,
onValueChange = { nama = it },
label = { Text("Nama") },
modifier = Modifier.fillMaxWidth()
)
OutlinedTextField(
value = mataKuliah,
onValueChange = { mataKuliah = it },
label = { Text("Mata Kuliah") },
modifier = Modifier.fillMaxWidth()
)
Spacer(modifier = Modifier.height(12.dp))
Text(text = lokasi)
Spacer(modifier = Modifier.height(12.dp))
Button(
onClick = {
cameraPermissionLauncher.launch(
Manifest.permission.CAMERA
)
},
modifier = Modifier.fillMaxWidth()
) {
Text("Ambil Foto")
}
/* ===== PREVIEW FOTO ===== */
if (foto != null) {
Spacer(modifier = Modifier.height(12.dp))
Image(
bitmap = foto!!.asImageBitmap(),
contentDescription = "Preview Foto Absensi",
modifier = Modifier
.fillMaxWidth()
.height(220.dp),
contentScale = ContentScale.Crop
)
}
Spacer(modifier = Modifier.height(12.dp))
Button(
onClick = {
if (
npm.isNotEmpty() &&
nama.isNotEmpty() &&
mataKuliah.isNotEmpty() &&
latitude != null &&
longitude != null &&
foto != null
) {
val jarak = hitungJarak(
latitude!!,
longitude!!,
KAMPUS_LAT,
KAMPUS_LON
)
val status =
if (jarak <= MAX_RADIUS) "HADIR" else "DITOLAK"
if (status == "HADIR") {
kirimKeN8n(
activity,
npm,
nama,
mataKuliah,
latitude!!,
longitude!!,
foto!!,
status
)
} else {
Toast.makeText(
context,
"Absensi ditolak (di luar area)",
Toast.LENGTH_LONG
).show()
}
} else {
Toast.makeText(
context,
"Data absensi belum lengkap",
Toast.LENGTH_SHORT
).show()
}
},
modifier = Modifier.fillMaxWidth()
) {
Text("Kirim Absensi")
}
@Preview(showBackground = true)
@Composable
fun GreetingPreview() {
SistemAkademikTheme {
Greeting("Android")
}
}

View File

@ -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": []
}