Add Water Level application complete

2025-12-11 09:39:56 +07:00 · 2025-12-11 09:39:56 +07:00 · 0361e739eb
commit 0361e739eb
parent 6af8bf9bfe
50 changed files with 1651 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
--- a/.idea/AndroidProjectSystem.xml
+++ b/.idea/AndroidProjectSystem.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AndroidProjectSystem">
+    <option name="providerId" value="com.android.tools.idea.GradleProjectSystem" />
+  </component>
+</project>
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="21" />
+  </component>
+</project>
--- a/.idea/deploymentTargetSelector.xml
+++ b/.idea/deploymentTargetSelector.xml
@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetSelector">
+    <selectionStates>
+      <SelectionState runConfigName="app">
+        <option name="selectionMode" value="DROPDOWN" />
+      </SelectionState>
+    </selectionStates>
+  </component>
+</project>
--- a/.idea/deviceManager.xml
+++ b/.idea/deviceManager.xml
@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DeviceTable">
+    <option name="columnSorters">
+      <list>
+        <ColumnSorterState>
+          <option name="column" value="Name" />
+          <option name="order" value="ASCENDING" />
+        </ColumnSorterState>
+      </list>
+    </option>
+  </component>
+</project>
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="CHOOSE_PER_TEST" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
--- a/.idea/migrations.xml
+++ b/.idea/migrations.xml
@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectMigrations">
+    <option name="MigrateToGradleLocalJavaHome">
+      <set>
+        <option value="$PROJECT_DIR$" />
+      </set>
+    </option>
+  </component>
+</project>
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>
--- a/.idea/runConfigurations.xml
+++ b/.idea/runConfigurations.xml
@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
+        <option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
+        <option value="com.intellij.execution.junit.PatternConfigurationProducer" />
+        <option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
+        <option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
+        <option value="com.intellij.execution.junit.testDiscovery.JUnitTestDiscoveryConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinJUnitRunConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinPatternConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
--- a/app/.gitignore
+++ b/app/.gitignore
@ -0,0 +1 @@
+/build
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@ -0,0 +1,63 @@
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.kotlin.compose)
+}
+
+android {
+    namespace = "com.example.waterlevel"
+    compileSdk = 36
+
+    defaultConfig {
+        applicationId = "com.example.waterlevel"
+        minSdk = 24
+        targetSdk = 36
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+    buildFeatures {
+        compose = true
+    }
+}
+
+dependencies {
+
+    implementation("androidx.appcompat:appcompat:1.6.1")
+    implementation("com.google.android.material:material:1.11.0")
+    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
+    implementation("androidx.core:core-ktx:1.12.0")
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.activity.compose)
+    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)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(platform(libs.androidx.compose.bom))
+    androidTestImplementation(libs.androidx.compose.ui.test.junit4)
+    debugImplementation(libs.androidx.compose.ui.tooling)
+    debugImplementation(libs.androidx.compose.ui.test.manifest)
+}
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
--- a/app/src/androidTest/java/com/example/waterlevel/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/com/example/waterlevel/ExampleInstrumentedTest.kt
@ -0,0 +1,24 @@
+package com.example.waterlevel
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.example.waterlevel", appContext.packageName)
+    }
+}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <!-- Tambah permissions di sini -->
+    <uses-permission android:name="android.permission.CAMERA"/>
+    <uses-permission android:name="android.permission.VIBRATE"/>
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.AppCompat.Light.DarkActionBar">
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:screenOrientation="portrait"
+            android:theme="@style/Theme.AppCompat.Light.DarkActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
--- a/app/src/main/java/com/example/waterlevel/BubbleView.kt
+++ b/app/src/main/java/com/example/waterlevel/BubbleView.kt
@ -0,0 +1,158 @@
+package com.example.waterlevel
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.Paint
+import android.util.AttributeSet
+import android.view.View
+import kotlin.math.min
+import kotlin.math.sqrt
+
+class BubbleView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0
+) : View(context, attrs, defStyleAttr) {
+
+    private val backgroundPaint = Paint().apply {
+        color = Color.parseColor("#2C3E50")
+        style = Paint.Style.FILL
+        isAntiAlias = true
+    }
+
+    private val circlePaint = Paint().apply {
+        color = Color.parseColor("#34495E")
+        style = Paint.Style.STROKE
+        strokeWidth = 8f
+        isAntiAlias = true
+    }
+
+    private val crosshairPaint = Paint().apply {
+        color = Color.parseColor("#7F8C8D")
+        strokeWidth = 2f
+        isAntiAlias = true
+    }
+
+    private val bubblePaint = Paint().apply {
+        color = Color.parseColor("#27AE60")
+        style = Paint.Style.FILL
+        isAntiAlias = true
+        setShadowLayer(10f, 0f, 0f, Color.BLACK)
+    }
+
+    private val bubbleBorderPaint = Paint().apply {
+        color = Color.WHITE
+        style = Paint.Style.STROKE
+        strokeWidth = 4f
+        isAntiAlias = true
+    }
+
+    private val gridPaint = Paint().apply {
+        color = Color.parseColor("#34495E")
+        strokeWidth = 1f
+        isAntiAlias = true
+    }
+
+    private var bubbleX = 0f
+    private var bubbleY = 0f
+    private var mode = LevelMode.HORIZONTAL
+
+    enum class LevelMode {
+        HORIZONTAL, VERTICAL, SURFACE
+    }
+
+    override fun onDraw(canvas: Canvas) {
+        super.onDraw(canvas)
+
+        val centerX = width / 2f
+        val centerY = height / 2f
+        val radius = min(width, height) / 2f - 40
+
+        // Draw background
+        canvas.drawRect(0f, 0f, width.toFloat(), height.toFloat(), backgroundPaint)
+
+        // Draw grid
+        val gridSpacing = 50f
+        var i = 0f
+        while (i < width) {
+            canvas.drawLine(i, 0f, i, height.toFloat(), gridPaint)
+            i += gridSpacing
+        }
+        i = 0f
+        while (i < height) {
+            canvas.drawLine(0f, i, width.toFloat(), i, gridPaint)
+            i += gridSpacing
+        }
+
+        when (mode) {
+            LevelMode.HORIZONTAL, LevelMode.SURFACE -> {
+                // Draw outer circle
+                canvas.drawCircle(centerX, centerY, radius, circlePaint)
+
+                // Draw crosshair
+                canvas.drawLine(centerX - radius, centerY, centerX + radius, centerY, crosshairPaint)
+                canvas.drawLine(centerX, centerY - radius, centerX, centerY + radius, crosshairPaint)
+
+                // Draw center circle
+                canvas.drawCircle(centerX, centerY, 30f, circlePaint)
+
+                // Draw bubble
+                val bubbleRadius = 40f
+                canvas.drawCircle(centerX + bubbleX, centerY + bubbleY, bubbleRadius, bubblePaint)
+                canvas.drawCircle(centerX + bubbleX, centerY + bubbleY, bubbleRadius, bubbleBorderPaint)
+            }
+
+            LevelMode.VERTICAL -> {
+                // Draw vertical bar
+                val barWidth = 100f
+                val barHeight = height - 80f
+                val barLeft = centerX - barWidth / 2
+                val barTop = 40f
+
+                canvas.drawRect(barLeft, barTop, barLeft + barWidth, barTop + barHeight, circlePaint)
+
+                // Draw center line
+                canvas.drawLine(barLeft, centerY, barLeft + barWidth, centerY, crosshairPaint)
+
+                // Draw bubble
+                val bubbleHeight = 60f
+                val bubbleTop = centerY + bubbleY - bubbleHeight / 2
+                canvas.drawRect(barLeft + 10, bubbleTop, barLeft + barWidth - 10, bubbleTop + bubbleHeight, bubblePaint)
+                canvas.drawRect(barLeft + 10, bubbleTop, barLeft + barWidth - 10, bubbleTop + bubbleHeight, bubbleBorderPaint)
+            }
+        }
+    }
+
+    fun updateBubble(pitch: Float, roll: Float) {
+        // Scale the movement (1 degree = 10 pixels)
+        val scale = 10f
+        val maxDistance = min(width, height) / 2f - 80
+
+        when (mode) {
+            LevelMode.HORIZONTAL, LevelMode.SURFACE -> {
+                bubbleX = (roll * scale).coerceIn(-maxDistance, maxDistance)
+                bubbleY = (pitch * scale).coerceIn(-maxDistance, maxDistance)
+            }
+            LevelMode.VERTICAL -> {
+                bubbleX = 0f
+                bubbleY = (pitch * scale).coerceIn(-maxDistance, maxDistance)
+            }
+        }
+
+        // Change bubble color based on level
+        val distance = sqrt(bubbleX * bubbleX + bubbleY * bubbleY)
+        bubblePaint.color = when {
+            distance < 20 -> Color.parseColor("#27AE60") // Green - Level
+            distance < 50 -> Color.parseColor("#F39C12") // Orange - Close
+            else -> Color.parseColor("#E74C3C") // Red - Not level
+        }
+
+        invalidate()
+    }
+
+    fun setMode(newMode: LevelMode) {
+        mode = newMode
+        invalidate()
+    }
+}
--- a/app/src/main/java/com/example/waterlevel/MainActivity.kt
+++ b/app/src/main/java/com/example/waterlevel/MainActivity.kt
@ -0,0 +1,346 @@
+package com.example.waterlevel
+
+import android.Manifest
+import android.content.Context
+import android.content.pm.PackageManager
+import android.hardware.Sensor
+import android.hardware.SensorEvent
+import android.hardware.SensorEventListener
+import android.hardware.SensorManager
+import android.hardware.camera2.CameraManager
+import android.media.AudioManager
+import android.media.ToneGenerator
+import android.os.Build
+import android.os.Bundle
+import android.os.VibrationEffect
+import android.os.Vibrator
+import android.util.Log
+import android.view.View
+import android.view.WindowManager
+import android.widget.*
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import java.text.SimpleDateFormat
+import java.util.*
+import kotlin.math.abs
+import kotlin.math.sqrt
+
+class MainActivity : AppCompatActivity(), SensorEventListener {
+
+    private lateinit var sensorManager: SensorManager
+    private var accelerometer: Sensor? = null
+    private var magnetometer: Sensor? = null
+
+    private lateinit var bubbleView: BubbleView
+    private lateinit var angleTextView: TextView
+    private lateinit var statusTextView: TextView
+    private lateinit var modeSpinner: Spinner
+    private lateinit var calibrateButton: Button
+    private lateinit var saveButton: Button
+    private lateinit var flashlightButton: Button
+    private lateinit var soundSwitch: Switch
+    private lateinit var vibrateSwitch: Switch
+    private lateinit var historyButton: Button
+
+    private var gravity = FloatArray(3)
+    private var geomagnetic = FloatArray(3)
+    private var calibrationOffset = floatArrayOf(0f, 0f)
+
+    private var cameraManager: CameraManager? = null
+    private var cameraId: String? = null
+    private var isFlashlightOn = false
+
+    // Sound & Vibrate
+    private var toneGenerator: ToneGenerator? = null
+    private var lastFeedbackTime = 0L
+    private val FEEDBACK_INTERVAL = 1000L // 1 detik
+
+    private val CAMERA_PERMISSION_CODE = 100
+    private val LEVEL_THRESHOLD = 2.0f // Derajat untuk dianggap "level"
+
+    private var currentMode = BubbleView.LevelMode.HORIZONTAL
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        // Keep screen on
+        window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+
+        initViews()
+        initSensors()
+        setupListeners()
+
+        // Initialize ToneGenerator for sound
+        toneGenerator = ToneGenerator(AudioManager.STREAM_NOTIFICATION, 100)
+    }
+
+    private fun initViews() {
+        bubbleView = findViewById(R.id.bubbleView)
+        angleTextView = findViewById(R.id.angleTextView)
+        statusTextView = findViewById(R.id.statusTextView)
+        modeSpinner = findViewById(R.id.modeSpinner)
+        calibrateButton = findViewById(R.id.calibrateButton)
+        saveButton = findViewById(R.id.saveButton)
+        flashlightButton = findViewById(R.id.flashlightButton)
+        soundSwitch = findViewById(R.id.soundSwitch)
+        vibrateSwitch = findViewById(R.id.vibrateSwitch)
+        historyButton = findViewById(R.id.historyButton)
+
+        // Setup spinner
+        val modes = arrayOf("Horizontal Level", "Vertical Level", "Surface Angle")
+        val adapter = ArrayAdapter(this, android.R.layout.simple_spinner_dropdown_item, modes)
+        modeSpinner.adapter = adapter
+    }
+
+    private fun initSensors() {
+        sensorManager = getSystemService(Context.SENSOR_SERVICE) as SensorManager
+        accelerometer = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER)
+        magnetometer = sensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD)
+
+        // Initialize camera manager for flashlight
+        cameraManager = getSystemService(Context.CAMERA_SERVICE) as CameraManager
+        try {
+            cameraId = cameraManager?.cameraIdList?.get(0)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+
+        if (accelerometer == null) {
+            Toast.makeText(this, "Accelerometer not available!", Toast.LENGTH_LONG).show()
+        }
+    }
+
+    private fun setupListeners() {
+        modeSpinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
+            override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
+                currentMode = when (position) {
+                    0 -> BubbleView.LevelMode.HORIZONTAL
+                    1 -> BubbleView.LevelMode.VERTICAL
+                    2 -> BubbleView.LevelMode.SURFACE
+                    else -> BubbleView.LevelMode.HORIZONTAL
+                }
+                bubbleView.setMode(currentMode)
+            }
+
+            override fun onNothingSelected(parent: AdapterView<*>?) {}
+        }
+
+        calibrateButton.setOnClickListener {
+            calibrate()
+        }
+
+        saveButton.setOnClickListener {
+            saveMeasurement()
+        }
+
+        flashlightButton.setOnClickListener {
+            toggleFlashlight()
+        }
+
+        historyButton.setOnClickListener {
+            showHistory()
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        accelerometer?.also { acc ->
+            sensorManager.registerListener(this, acc, SensorManager.SENSOR_DELAY_UI)
+        }
+        magnetometer?.also { mag ->
+            sensorManager.registerListener(this, mag, SensorManager.SENSOR_DELAY_UI)
+        }
+    }
+
+    override fun onPause() {
+        super.onPause()
+        sensorManager.unregisterListener(this)
+    }
+
+    override fun onSensorChanged(event: SensorEvent?) {
+        if (event == null) return
+
+        when (event.sensor.type) {
+            Sensor.TYPE_ACCELEROMETER -> {
+                gravity = event.values.clone()
+                Log.d("WaterLevel", "Accel: ${gravity[0]}, ${gravity[1]}, ${gravity[2]}")
+            }
+            Sensor.TYPE_MAGNETIC_FIELD -> {
+                geomagnetic = event.values.clone()
+                Log.d("WaterLevel", "Mag: ${geomagnetic[0]}, ${geomagnetic[1]}, ${geomagnetic[2]}")
+            }
+        }
+
+        val R = FloatArray(9)
+        val I = FloatArray(9)
+
+        if (SensorManager.getRotationMatrix(R, I, gravity, geomagnetic)) {
+            val orientation = FloatArray(3)
+            SensorManager.getOrientation(R, orientation)
+
+            // Convert radians to degrees
+            val pitch = Math.toDegrees(orientation[1].toDouble()).toFloat()
+            val roll = Math.toDegrees(orientation[2].toDouble()).toFloat()
+
+            Log.d("WaterLevel", "Pitch: $pitch, Roll: $roll")
+
+            // Apply calibration
+            val adjustedPitch = pitch - calibrationOffset[0]
+            val adjustedRoll = roll - calibrationOffset[1]
+
+            updateUI(adjustedPitch, adjustedRoll)
+        } else {
+            Log.e("WaterLevel", "getRotationMatrix FAILED!")
+        }
+    }
+
+    override fun onAccuracyChanged(sensor: Sensor?, accuracy: Int) {
+        // Not needed for this app
+    }
+
+    private fun updateUI(pitch: Float, roll: Float) {
+        val angle = when (currentMode) {
+            BubbleView.LevelMode.HORIZONTAL -> sqrt(pitch * pitch + roll * roll)
+            BubbleView.LevelMode.VERTICAL -> abs(pitch)
+            BubbleView.LevelMode.SURFACE -> sqrt(pitch * pitch + roll * roll)
+        }
+
+        bubbleView.updateBubble(pitch, roll)
+        angleTextView.text = String.format("%.1f°", angle)
+
+        // Check if level
+        val isLevel = angle < LEVEL_THRESHOLD
+        statusTextView.text = if (isLevel) "LEVEL ✓" else "NOT LEVEL"
+        statusTextView.setTextColor(
+            if (isLevel) ContextCompat.getColor(this, android.R.color.holo_green_dark)
+            else ContextCompat.getColor(this, android.R.color.holo_red_dark)
+        )
+
+        // Feedback - cuma trigger tiap 1 detik biar gak spam
+        if (isLevel) {
+            val currentTime = System.currentTimeMillis()
+
+            if (currentTime - lastFeedbackTime > FEEDBACK_INTERVAL) {
+                // Sound
+                if (soundSwitch.isChecked) {
+                    try {
+                        toneGenerator?.startTone(ToneGenerator.TONE_PROP_BEEP, 100)
+                    } catch (e: Exception) {
+                        e.printStackTrace()
+                    }
+                }
+
+                // Vibrate
+                if (vibrateSwitch.isChecked) {
+                    vibrateOnce()
+                }
+
+                lastFeedbackTime = currentTime
+            }
+        }
+    }
+
+    private fun calibrate() {
+        val R = FloatArray(9)
+        val I = FloatArray(9)
+
+        if (SensorManager.getRotationMatrix(R, I, gravity, geomagnetic)) {
+            val orientation = FloatArray(3)
+            SensorManager.getOrientation(R, orientation)
+
+            calibrationOffset[0] = Math.toDegrees(orientation[1].toDouble()).toFloat()
+            calibrationOffset[1] = Math.toDegrees(orientation[2].toDouble()).toFloat()
+
+            Toast.makeText(this, "Calibrated!", Toast.LENGTH_SHORT).show()
+        }
+    }
+
+    private fun saveMeasurement() {
+        val timestamp = SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault()).format(Date())
+        val angle = angleTextView.text.toString()
+        val mode = modeSpinner.selectedItem.toString()
+
+        // Save to SharedPreferences or Database
+        val prefs = getSharedPreferences("measurements", Context.MODE_PRIVATE)
+        val editor = prefs.edit()
+        val existing = prefs.getStringSet("history", mutableSetOf()) ?: mutableSetOf()
+        existing.add("$timestamp | $mode | $angle")
+        editor.putStringSet("history", existing)
+        editor.apply()
+
+        Toast.makeText(this, "Measurement saved!", Toast.LENGTH_SHORT).show()
+    }
+
+    private fun showHistory() {
+        val prefs = getSharedPreferences("measurements", Context.MODE_PRIVATE)
+        val history = prefs.getStringSet("history", mutableSetOf()) ?: mutableSetOf()
+
+        if (history.isEmpty()) {
+            Toast.makeText(this, "No saved measurements", Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        val historyText = history.joinToString("\n")
+
+        val builder = android.app.AlertDialog.Builder(this)
+        builder.setTitle("Measurement History")
+        builder.setMessage(historyText)
+        builder.setPositiveButton("OK", null)
+        builder.setNegativeButton("Clear All") { _, _ ->
+            prefs.edit().remove("history").apply()
+            Toast.makeText(this, "History cleared", Toast.LENGTH_SHORT).show()
+        }
+        builder.show()
+    }
+
+    private fun toggleFlashlight() {
+        if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
+            != PackageManager.PERMISSION_GRANTED) {
+            ActivityCompat.requestPermissions(this,
+                arrayOf(Manifest.permission.CAMERA), CAMERA_PERMISSION_CODE)
+            return
+        }
+
+        try {
+            if (cameraId != null) {
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                    cameraManager?.setTorchMode(cameraId!!, !isFlashlightOn)
+                    isFlashlightOn = !isFlashlightOn
+                    flashlightButton.text = if (isFlashlightOn) "Flashlight ON" else "Flashlight OFF"
+                }
+            }
+        } catch (e: Exception) {
+            Toast.makeText(this, "Flashlight not available", Toast.LENGTH_SHORT).show()
+            e.printStackTrace()
+        }
+    }
+
+    private fun vibrateOnce() {
+        val vibrator = getSystemService(Context.VIBRATOR_SERVICE) as Vibrator
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            vibrator.vibrate(VibrationEffect.createOneShot(50, VibrationEffect.DEFAULT_AMPLITUDE))
+        } else {
+            @Suppress("DEPRECATION")
+            vibrator.vibrate(50)
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+
+        // Release ToneGenerator
+        toneGenerator?.release()
+        toneGenerator = null
+
+        // Turn off flashlight
+        if (isFlashlightOn && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            try {
+                cameraId?.let { cameraManager?.setTorchMode(it, false) }
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
+        }
+    }
+}
--- a/app/src/main/java/com/example/waterlevel/ui/theme/Color.kt
+++ b/app/src/main/java/com/example/waterlevel/ui/theme/Color.kt
@ -0,0 +1,11 @@
+package com.example.waterlevel.ui.theme
+
+import androidx.compose.ui.graphics.Color
+
+val Purple80 = Color(0xFFD0BCFF)
+val PurpleGrey80 = Color(0xFFCCC2DC)
+val Pink80 = Color(0xFFEFB8C8)
+
+val Purple40 = Color(0xFF6650a4)
+val PurpleGrey40 = Color(0xFF625b71)
+val Pink40 = Color(0xFF7D5260)
--- a/app/src/main/java/com/example/waterlevel/ui/theme/Theme.kt
+++ b/app/src/main/java/com/example/waterlevel/ui/theme/Theme.kt
@ -0,0 +1,58 @@
+package com.example.waterlevel.ui.theme
+
+import android.app.Activity
+import android.os.Build
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.material3.dynamicDarkColorScheme
+import androidx.compose.material3.dynamicLightColorScheme
+import androidx.compose.material3.lightColorScheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalContext
+
+private val DarkColorScheme = darkColorScheme(
+    primary = Purple80,
+    secondary = PurpleGrey80,
+    tertiary = Pink80
+)
+
+private val LightColorScheme = lightColorScheme(
+    primary = Purple40,
+    secondary = PurpleGrey40,
+    tertiary = Pink40
+
+    /* Other default colors to override
+    background = Color(0xFFFFFBFE),
+    surface = Color(0xFFFFFBFE),
+    onPrimary = Color.White,
+    onSecondary = Color.White,
+    onTertiary = Color.White,
+    onBackground = Color(0xFF1C1B1F),
+    onSurface = Color(0xFF1C1B1F),
+    */
+)
+
+@Composable
+fun WaterlevelTheme(
+    darkTheme: Boolean = isSystemInDarkTheme(),
+    // Dynamic color is available on Android 12+
+    dynamicColor: Boolean = true,
+    content: @Composable () -> Unit
+) {
+    val colorScheme = when {
+        dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            val context = LocalContext.current
+            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+        }
+
+        darkTheme -> DarkColorScheme
+        else -> LightColorScheme
+    }
+
+    MaterialTheme(
+        colorScheme = colorScheme,
+        typography = Typography,
+        content = content
+    )
+}
--- a/app/src/main/java/com/example/waterlevel/ui/theme/Type.kt
+++ b/app/src/main/java/com/example/waterlevel/ui/theme/Type.kt
@ -0,0 +1,34 @@
+package com.example.waterlevel.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.sp
+
+// Set of Material typography styles to start with
+val Typography = Typography(
+    bodyLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 16.sp,
+        lineHeight = 24.sp,
+        letterSpacing = 0.5.sp
+    )
+    /* Other default text styles to override
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 22.sp,
+        lineHeight = 28.sp,
+        letterSpacing = 0.sp
+    ),
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Medium,
+        fontSize = 11.sp,
+        lineHeight = 16.sp,
+        letterSpacing = 0.5.sp
+    )
+    */
+)
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
--- a/app/src/main/res/drawable/ic_launcher_foreground.xml
+++ b/app/src/main/res/drawable/ic_launcher_foreground.xml
@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@ -0,0 +1,145 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="16dp"
+    android:background="#ECF0F1">
+
+    <!-- Header -->
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Water Level App"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        android:gravity="center"
+        android:paddingBottom="16dp"
+        android:textColor="#2C3E50"/>
+
+    <!-- Bubble View -->
+    <com.example.waterlevel.BubbleView
+        android:id="@+id/bubbleView"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:layout_marginBottom="16dp"/>
+
+    <!-- Angle Display -->
+    <TextView
+        android:id="@+id/angleTextView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="0.0°"
+        android:textSize="32sp"
+        android:textStyle="bold"
+        android:gravity="center"
+        android:textColor="#2C3E50"/>
+
+    <!-- Status Display -->
+    <TextView
+        android:id="@+id/statusTextView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="NOT LEVEL"
+        android:textSize="18sp"
+        android:gravity="center"
+        android:paddingBottom="16dp"
+        android:textColor="#E74C3C"/>
+
+    <!-- Mode Spinner -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:gravity="center_vertical"
+        android:paddingBottom="8dp">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Mode: "
+            android:textSize="16sp"
+            android:textColor="#2C3E50"/>
+
+        <Spinner
+            android:id="@+id/modeSpinner"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:layout_marginStart="8dp"/>
+    </LinearLayout>
+
+    <!-- Switches -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:paddingBottom="8dp">
+
+        <Switch
+            android:id="@+id/soundSwitch"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Sound"
+            android:textColor="#2C3E50"/>
+
+        <Switch
+            android:id="@+id/vibrateSwitch"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Vibrate"
+            android:textColor="#2C3E50"/>
+    </LinearLayout>
+
+    <!-- Buttons Row 1 -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:paddingBottom="8dp">
+
+        <Button
+            android:id="@+id/calibrateButton"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Calibrate"
+            android:layout_marginEnd="4dp"/>
+
+        <Button
+            android:id="@+id/saveButton"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Save"
+            android:layout_marginStart="4dp"/>
+    </LinearLayout>
+
+    <!-- Buttons Row 2 -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+
+        <Button
+            android:id="@+id/flashlightButton"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Flashlight OFF"
+            android:layout_marginEnd="4dp"/>
+
+        <Button
+            android:id="@+id/historyButton"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="History"
+            android:layout_marginStart="4dp"/>
+    </LinearLayout>
+
+</LinearLayout>
+
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">waterlevel</string>
+</resources>
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="Theme.Waterlevel" parent="android:Theme.Material.Light.NoActionBar" />
+</resources>
--- a/app/src/main/res/xml/backup_rules.xml
+++ b/app/src/main/res/xml/backup_rules.xml
@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older than API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>
--- a/app/src/main/res/xml/data_extraction_rules.xml
+++ b/app/src/main/res/xml/data_extraction_rules.xml
@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>
--- a/app/src/test/java/com/example/waterlevel/ExampleUnitTest.kt
+++ b/app/src/test/java/com/example/waterlevel/ExampleUnitTest.kt
@ -0,0 +1,17 @@
+package com.example.waterlevel
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
--- a/build.gradle.kts
+++ b/build.gradle.kts
@ -0,0 +1,6 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    alias(libs.plugins.android.application) apply false
+    alias(libs.plugins.kotlin.android) apply false
+    alias(libs.plugins.kotlin.compose) apply false
+}
--- a/gradle.properties
+++ b/gradle.properties
@ -0,0 +1,23 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. For more details, visit
+# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@ -0,0 +1,32 @@
+[versions]
+agp = "8.13.1"
+kotlin = "2.0.21"
+coreKtx = "1.17.0"
+junit = "4.13.2"
+junitVersion = "1.3.0"
+espressoCore = "3.7.0"
+lifecycleRuntimeKtx = "2.10.0"
+activityCompose = "1.12.1"
+composeBom = "2024.09.00"
+
+[libraries]
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
+androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
+androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
+androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
+androidx-compose-ui = { group = "androidx.compose.ui", name = "ui" }
+androidx-compose-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
+androidx-compose-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
+androidx-compose-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
+androidx-compose-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
+androidx-compose-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
+androidx-compose-material3 = { group = "androidx.compose.material3", name = "material3" }
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "agp" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
+
--- a/gradle/wrapper/gradle-wrapper.jar
+++ b/gradle/wrapper/gradle-wrapper.jar
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@ -0,0 +1,6 @@
+#Wed Dec 10 21:27:07 WIB 2025
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
--- a/185
+++ b/185
@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
--- a/gradlew.bat
+++ b/gradlew.bat
@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@ -0,0 +1,23 @@
+pluginManagement {
+    repositories {
+        google {
+            content {
+                includeGroupByRegex("com\\.android.*")
+                includeGroupByRegex("com\\.google.*")
+                includeGroupByRegex("androidx.*")
+            }
+        }
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "waterlevel"
+include(":app")