start kotlin/jetpack compose rewrite

replace the flutter project with a gradle/compose android app: - nix flake dev shell (jdk21, android sdk 35, build-tools 37, gradle) - material3 app with a placeholder screen - roborazzi/robolectric screenshot tests with one golden - carry over the existing launcher/notification assets
2026-11-10 15:11:58 +01:00 · 2026-10-04 00:29:51 +00:00
parent ab418fc234
commit 05ac1768d3
201 changed files with 905 additions and 37425 deletions
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+
+    <application
+        android:name=".SubtracksApp"
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Subtracks"
+        android:usesCleartextTraffic="true">
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:launchMode="singleTop"
+            android:theme="@style/Theme.Subtracks"
+            android:windowSoftInputMode="adjustResize">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
@@ -0,0 +1,20 @@
+package com.subtracks
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import com.subtracks.ui.HelloScreen
+import com.subtracks.ui.theme.SubtracksTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            SubtracksTheme {
+                HelloScreen()
+            }
+        }
+    }
+}
@@ -0,0 +1,5 @@
+package com.subtracks
+
+import android.app.Application
+
+class SubtracksApp : Application()
@@ -0,0 +1,53 @@
+package com.subtracks.ui
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import com.subtracks.ui.theme.SubtracksTheme
+
+@Composable
+fun HelloScreen(modifier: Modifier = Modifier) {
+    Surface(
+        modifier = modifier.fillMaxSize(),
+        color = MaterialTheme.colorScheme.background,
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(24.dp),
+            verticalArrangement = Arrangement.Center,
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            Text(
+                text = "Subtracks",
+                style = MaterialTheme.typography.headlineLarge,
+                color = MaterialTheme.colorScheme.onBackground,
+            )
+            Spacer(Modifier.height(8.dp))
+            Text(
+                text = "Kotlin / Jetpack Compose rewrite",
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+        }
+    }
+}
+
+@Preview
+@Composable
+private fun HelloScreenPreview() {
+    SubtracksTheme {
+        HelloScreen()
+    }
+}
@@ -0,0 +1,11 @@
+package com.subtracks.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)
@@ -0,0 +1,20 @@
+package com.subtracks.ui.theme
+
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.darkColorScheme
+import androidx.compose.runtime.Composable
+
+private val SubtracksDarkColorScheme = darkColorScheme(
+    primary = Purple80,
+    secondary = PurpleGrey80,
+    tertiary = Pink80,
+)
+
+@Composable
+fun SubtracksTheme(content: @Composable () -> Unit) {
+    MaterialTheme(
+        colorScheme = SubtracksDarkColorScheme,
+        typography = SubtracksTypography,
+        content = content,
+    )
+}
@@ -0,0 +1,12 @@
+package com.subtracks.ui.theme
+
+import androidx.compose.material3.Typography
+import androidx.compose.ui.text.font.FontWeight
+
+val SubtracksTypography = Typography().let { base ->
+    base.copy(
+        headlineLarge = base.headlineLarge.copy(fontWeight = FontWeight.W800),
+        headlineMedium = base.headlineMedium.copy(fontWeight = FontWeight.W700),
+        headlineSmall = base.headlineSmall.copy(fontWeight = FontWeight.W600),
+    )
+}
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="299.84"
+    android:viewportHeight="219.51"
+    android:tint="#FFFFFF">
+  <group android:scaleX="0.92"
+      android:scaleY="0.6735232"
+      android:translateX="11.9936"
+      android:translateY="35.83246">
+    <path
+        android:pathData="m23.84,-0c-12.76,0 -23.44,13 -23.65,25.12 -0.42,79.03 0,160.73 0,170.4 0,12.59 9.8,23.99 23.41,23.99l253.58,0c11.4,0 22.66,-12.38 22.66,-22.79L299.84,24.12c0,-10.8 -10.24,-23.81 -21.84,-23.81 -11.6,0 -254.16,-0.31 -254.16,-0.31zM39.05,25.28c0,0 217.71,0.71 223.67,0.71 6.07,0 12.17,6.83 12.17,12.06l0,142.25c0,8.97 -6.97,14.63 -12.48,14.64l-33.42,0.07c-5.32,0.01 -9.93,-7.19 -11.35,-10.61 -1.89,-4.55 -11.08,-25.75 -12.1,-28.1 -0.6,-1.38 -2.9,-2.83 -5.89,-2.83L98.33,153.45c-2.68,0 -4.89,2.87 -5.67,4.71 -1.12,2.66 -9.02,21.39 -11.63,27.57 -2.73,6.46 -4.37,9.06 -11.47,9.06l-30.97,0c-7.44,0 -13.69,-7.17 -13.67,-15.18l0.28,-139.51c0,-6.88 5.54,-14.83 13.85,-14.83z"
+        android:strokeWidth="0.9"
+        android:fillColor="#ffffff"
+        android:fillType="nonZero"
+        android:strokeColor="#00000000"/>
+    <path
+        android:pathData="M90.09,95.03m-32.1,0a32.42,32.1 90,1 1,64.21 0a32.42,32.1 90,1 1,-64.21 0"
+        android:strokeWidth="0.86"
+        android:fillColor="#ffffff"
+        android:fillType="nonZero"
+        android:strokeColor="#00000000"/>
+    <path
+        android:pathData="M209.94,95.03m-32.1,0a32.42,32.1 90,1 1,64.21 0a32.42,32.1 90,1 1,-64.21 0"
+        android:strokeWidth="0.86"
+        android:fillColor="#ffffff"
+        android:fillType="nonZero"
+        android:strokeColor="#00000000"/>
+  </group>
+</vector>
@@ -0,0 +1,29 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="299.84"
+    android:viewportHeight="219.51">
+  <group android:scaleX="0.43"
+      android:scaleY="0.3147989"
+      android:translateX="85.4544"
+      android:translateY="75.20425">
+    <path
+        android:pathData="m23.84,-0c-12.76,0 -23.44,13 -23.65,25.12 -0.42,79.03 0,160.73 0,170.4 0,12.59 9.8,23.99 23.41,23.99l253.58,0c11.4,0 22.66,-12.38 22.66,-22.79L299.84,24.12c0,-10.8 -10.24,-23.81 -21.84,-23.81 -11.6,0 -254.16,-0.31 -254.16,-0.31zM39.05,25.28c0,0 217.71,0.71 223.67,0.71 6.07,0 12.17,6.83 12.17,12.06l0,142.25c0,8.97 -6.97,14.63 -12.48,14.64l-33.42,0.07c-5.32,0.01 -9.93,-7.19 -11.35,-10.61 -1.89,-4.55 -11.08,-25.75 -12.1,-28.1 -0.6,-1.38 -2.9,-2.83 -5.89,-2.83L98.33,153.45c-2.68,0 -4.89,2.87 -5.67,4.71 -1.12,2.66 -9.02,21.39 -11.63,27.57 -2.73,6.46 -4.37,9.06 -11.47,9.06l-30.97,0c-7.44,0 -13.69,-7.17 -13.67,-15.18l0.28,-139.51c0,-6.88 5.54,-14.83 13.85,-14.83z"
+        android:strokeWidth="0.9"
+        android:fillColor="#f4d9ff"
+        android:fillType="nonZero"
+        android:strokeColor="#00000000"/>
+    <path
+        android:pathData="M90.09,95.03m-32.1,0a32.42,32.1 90,1 1,64.21 0a32.42,32.1 90,1 1,-64.21 0"
+        android:strokeWidth="0.86"
+        android:fillColor="#f4d9ff"
+        android:fillType="nonZero"
+        android:strokeColor="#00000000"/>
+    <path
+        android:pathData="M209.94,95.03m-32.1,0a32.42,32.1 90,1 1,64.21 0a32.42,32.1 90,1 1,-64.21 0"
+        android:strokeWidth="0.86"
+        android:fillColor="#f4d9ff"
+        android:fillType="nonZero"
+        android:strokeColor="#00000000"/>
+  </group>
+</vector>
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#6A1B9A</color>
+</resources>
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Subtracks</string>
+</resources>
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="Theme.Subtracks" parent="android:Theme.Material.NoActionBar">
+        <item name="android:windowBackground">@android:color/black</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:navigationBarColor">@android:color/transparent</item>
+    </style>
+</resources>
@@ -0,0 +1,32 @@
+package com.subtracks.ui
+
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.onRoot
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.github.takahirom.roborazzi.RobolectricDeviceQualifiers
+import com.github.takahirom.roborazzi.captureRoboImage
+import com.subtracks.ui.theme.SubtracksTheme
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.annotation.Config
+import org.robolectric.annotation.GraphicsMode
+
+@RunWith(AndroidJUnit4::class)
+@GraphicsMode(GraphicsMode.Mode.NATIVE)
+@Config(qualifiers = RobolectricDeviceQualifiers.PixelXL)
+class HelloScreenshotTest {
+    @get:Rule
+    val composeRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun hello() {
+        composeRule.setContent {
+            SubtracksTheme {
+                HelloScreen()
+            }
+        }
+        composeRule.onRoot().captureRoboImage("src/test/screenshots/hello.png")
+    }
+}
@@ -0,0 +1 @@
+sdk=34