real time location
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parent
3e66ebcf9e
commit
d4d1b27209
1
.idea/gradle.xml
generated
1
.idea/gradle.xml
generated
@ -1,5 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="GradleMigrationSettings" migrationVersion="1" />
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<component name="GradleSettings">
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<option name="linkedExternalProjectsSettings">
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<GradleProjectSettings>
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1
.idea/misc.xml
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1
.idea/misc.xml
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@ -1,4 +1,3 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ExternalStorageConfigurationManager" enabled="true" />
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<component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
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@ -79,5 +79,5 @@ Aplikasi memerlukan izin berikut:
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---
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## 📂 Struktur Proyek (Contoh)
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## 📂 Mockup
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@ -45,11 +45,15 @@ dependencies {
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implementation(libs.androidx.core.ktx)
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implementation(libs.androidx.lifecycle.runtime.ktx)
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implementation(libs.androidx.activity.compose)
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implementation("androidx.activity:activity-compose:1.9.0")
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implementation(platform(libs.androidx.compose.bom))
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implementation(libs.androidx.compose.ui)
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implementation(libs.androidx.compose.ui.graphics)
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implementation(libs.androidx.compose.ui.tooling.preview)
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implementation(libs.androidx.compose.material3)
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// Location (GPS)
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implementation("com.google.android.gms:play-services-location:21.0.1")
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testImplementation(libs.junit)
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androidTestImplementation(libs.androidx.junit)
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androidTestImplementation(libs.androidx.espresso.core)
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@ -2,6 +2,14 @@
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools">
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<uses-permission android:name="android.permission.INTERNET"/>
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<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
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<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
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<uses-permission android:name="android.permission.CAMERA"/>
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<uses-feature
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android:name="android.hardware.camera"
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android:required="false" />
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<application
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android:allowBackup="true"
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android:dataExtractionRules="@xml/data_extraction_rules"
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@ -1,28 +1,109 @@
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package id.ac.ubharajaya.sistemakademik
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import android.Manifest
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import android.app.Activity
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import android.content.Intent
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import android.content.pm.PackageManager
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import android.graphics.Bitmap
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import android.os.Bundle
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import android.provider.MediaStore
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import android.util.Base64
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import android.widget.Toast
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import androidx.activity.ComponentActivity
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import androidx.activity.compose.rememberLauncherForActivityResult
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import androidx.activity.compose.setContent
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import androidx.activity.enableEdgeToEdge
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.padding
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import androidx.compose.material3.Scaffold
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import androidx.compose.material3.Text
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import androidx.compose.runtime.Composable
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import androidx.activity.result.contract.ActivityResultContracts
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import androidx.compose.foundation.layout.*
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import androidx.compose.material3.*
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import androidx.compose.runtime.*
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.tooling.preview.Preview
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.unit.dp
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import androidx.core.content.ContextCompat
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import com.google.android.gms.location.LocationServices
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import id.ac.ubharajaya.sistemakademik.ui.theme.SistemAkademikTheme
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import org.json.JSONObject
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import java.io.ByteArrayOutputStream
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import java.net.HttpURLConnection
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import java.net.URL
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import kotlin.concurrent.thread
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/* ================= UTIL ================= */
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fun bitmapToBase64(bitmap: Bitmap): String {
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val outputStream = ByteArrayOutputStream()
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bitmap.compress(Bitmap.CompressFormat.JPEG, 80, outputStream)
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return Base64.encodeToString(outputStream.toByteArray(), Base64.NO_WRAP)
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}
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fun kirimKeN8n(
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context: ComponentActivity,
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latitude: Double,
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longitude: Double,
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foto: Bitmap
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) {
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thread {
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try {
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val url = URL("https://n8n-s.pii.or.id/webhook/dcef8a16-d333-4259-a201-bd12ba780761")
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val conn = url.openConnection() as HttpURLConnection
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conn.requestMethod = "POST"
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conn.setRequestProperty("Content-Type", "application/json")
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conn.doOutput = true
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val json = JSONObject().apply {
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put("latitude", latitude)
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put("longitude", longitude)
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put("timestamp", System.currentTimeMillis())
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put("foto_base64", bitmapToBase64(foto))
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}
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conn.outputStream.use {
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it.write(json.toString().toByteArray())
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}
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val responseCode = conn.responseCode
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context.runOnUiThread {
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Toast.makeText(
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context,
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if (responseCode == 200)
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"Absensi diterima server"
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else
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"Absensi ditolak server",
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Toast.LENGTH_SHORT
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).show()
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}
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conn.disconnect()
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} catch (e: Exception) {
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context.runOnUiThread {
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Toast.makeText(
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context,
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"Gagal kirim ke server",
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Toast.LENGTH_SHORT
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).show()
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}
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}
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}
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}
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/* ================= ACTIVITY ================= */
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class MainActivity : ComponentActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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enableEdgeToEdge()
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setContent {
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SistemAkademikTheme {
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Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
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Greeting(
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name = "Android",
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modifier = Modifier.padding(innerPadding)
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AbsensiScreen(
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modifier = Modifier.padding(innerPadding),
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activity = this
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)
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}
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}
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@ -30,18 +111,161 @@ class MainActivity : ComponentActivity() {
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}
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}
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/* ================= UI ================= */
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@Composable
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fun Greeting(name: String, modifier: Modifier = Modifier) {
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Text(
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text = "Hello $name!",
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fun AbsensiScreen(
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modifier: Modifier = Modifier,
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activity: ComponentActivity
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) {
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val context = LocalContext.current
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var lokasi by remember { mutableStateOf("Koordinat: -") }
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var latitude by remember { mutableStateOf<Double?>(null) }
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var longitude by remember { mutableStateOf<Double?>(null) }
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var foto by remember { mutableStateOf<Bitmap?>(null) }
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val fusedLocationClient =
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LocationServices.getFusedLocationProviderClient(context)
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/* ===== Permission Lokasi ===== */
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val locationPermissionLauncher =
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rememberLauncherForActivityResult(
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ActivityResultContracts.RequestPermission()
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) { granted ->
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if (granted) {
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if (
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ContextCompat.checkSelfPermission(
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context,
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Manifest.permission.ACCESS_FINE_LOCATION
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) == PackageManager.PERMISSION_GRANTED
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) {
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fusedLocationClient.lastLocation
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.addOnSuccessListener { location ->
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if (location != null) {
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latitude = location.latitude
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longitude = location.longitude
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lokasi =
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"Lat: ${location.latitude}\nLon: ${location.longitude}"
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} else {
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lokasi = "Lokasi tidak tersedia"
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}
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}
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.addOnFailureListener {
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lokasi = "Gagal mengambil lokasi"
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}
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}
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} else {
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Toast.makeText(
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context,
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"Izin lokasi ditolak",
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Toast.LENGTH_SHORT
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).show()
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}
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}
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/* ===== Kamera ===== */
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val cameraLauncher =
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rememberLauncherForActivityResult(
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ActivityResultContracts.StartActivityForResult()
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) { result ->
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if (result.resultCode == Activity.RESULT_OK) {
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val bitmap =
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result.data?.extras?.get("data") as? Bitmap
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if (bitmap != null) {
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foto = bitmap
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Toast.makeText(
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context,
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"Foto berhasil diambil",
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Toast.LENGTH_SHORT
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).show()
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}
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}
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}
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val cameraPermissionLauncher =
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rememberLauncherForActivityResult(
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ActivityResultContracts.RequestPermission()
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) { granted ->
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if (granted) {
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val intent =
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Intent(MediaStore.ACTION_IMAGE_CAPTURE)
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cameraLauncher.launch(intent)
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} else {
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Toast.makeText(
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context,
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"Izin kamera ditolak",
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Toast.LENGTH_SHORT
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).show()
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}
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}
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/* ===== Request Awal ===== */
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LaunchedEffect(Unit) {
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locationPermissionLauncher.launch(
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Manifest.permission.ACCESS_FINE_LOCATION
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)
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}
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/* ===== UI ===== */
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Column(
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modifier = modifier
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.fillMaxSize()
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.padding(24.dp),
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verticalArrangement = Arrangement.Center
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) {
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Text(
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text = "Absensi Akademik",
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style = MaterialTheme.typography.titleLarge
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)
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Spacer(modifier = Modifier.height(16.dp))
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Text(text = lokasi)
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Spacer(modifier = Modifier.height(16.dp))
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Button(
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onClick = {
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cameraPermissionLauncher.launch(
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Manifest.permission.CAMERA
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)
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},
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modifier = Modifier.fillMaxWidth()
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) {
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Text("Ambil Foto")
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}
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@Preview(showBackground = true)
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@Composable
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fun GreetingPreview() {
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SistemAkademikTheme {
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Greeting("Android")
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Spacer(modifier = Modifier.height(12.dp))
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Button(
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onClick = {
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if (latitude != null && longitude != null && foto != null) {
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kirimKeN8n(
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activity,
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latitude!!,
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longitude!!,
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foto!!
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)
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} else {
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Toast.makeText(
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context,
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"Lokasi atau foto belum lengkap",
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Toast.LENGTH_SHORT
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).show()
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}
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},
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modifier = Modifier.fillMaxWidth()
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) {
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Text("Kirim Absensi")
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}
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}
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}
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