Scaffold native Android build and enforce Rust boundaries (#89)

android/app/src/androidTest/kotlin/de/rfc1437/ironstorage/ShellScreenTest.kt

@@ -0,0 +1,32 @@
+package de.rfc1437.ironstorage
+
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.hasText
+import androidx.compose.ui.test.isHeading
+import androidx.compose.ui.test.junit4.v2.createAndroidComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import androidx.compose.ui.test.performClick
+import androidx.compose.ui.test.performScrollTo
+import de.rfc1437.ironstorage.core.ShellFixtures
+import de.rfc1437.ironstorage.core.ShellState
+import de.rfc1437.ironstorage.core.ShellTab
+import org.junit.Rule
+import org.junit.Test
+
+class ShellScreenTest {
+    @get:Rule val compose = createAndroidComposeRule<MainActivity>()
+
+    @Test
+    fun allRustFixtureStatesRender() {
+        ShellState.entries.forEach { state ->
+            compose.onNodeWithText("Fixture: ${state.name}").performScrollTo().performClick()
+            ShellTab.entries.forEach { tab ->
+                compose.onNode(
+                    hasText(tab.name) and androidx.compose.ui.test.isSelectable()
+                ).performClick()
+                val page = ShellFixtures.all.getValue(state).first { it.tab == tab }
+                compose.onNode(hasText(page.stateTitle) and isHeading()).assertIsDisplayed()
+            }
+        }
+    }
+}

android/app/src/debug/kotlin/de/rfc1437/ironstorage/DebugShellModule.kt

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+package de.rfc1437.ironstorage
+
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import de.rfc1437.ironstorage.core.ShellFixtures
+import de.rfc1437.ironstorage.core.ShellRepository
+import de.rfc1437.ironstorage.core.ShellSnapshot
+import de.rfc1437.ironstorage.core.ShellState
+import de.rfc1437.ironstorage.core.ShellTab
+import javax.inject.Singleton
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+
+class DebugShellRepository : ShellRepository {
+    private val mutableSnapshot =
+        MutableStateFlow(
+            ShellSnapshot(ShellState.Empty, ShellFixtures.all.getValue(ShellState.Empty))
+        )
+    override val snapshot: StateFlow<ShellSnapshot> = mutableSnapshot
+
+    override fun selectTab(tab: ShellTab) {
+        mutableSnapshot.value = mutableSnapshot.value.copy(selectedTab = tab)
+    }
+
+    fun showFixture(state: ShellState) {
+        mutableSnapshot.value =
+            mutableSnapshot.value.copy(state = state, pages = ShellFixtures.all.getValue(state))
+    }
+}
+
+@Module
+@InstallIn(SingletonComponent::class)
+object DebugShellModule {
+    @Provides
+    @Singleton
+    fun shellRepository(): ShellRepository = DebugShellRepository()
+}

android/app/src/debug/kotlin/de/rfc1437/ironstorage/VariantContent.kt

@@ -0,0 +1,29 @@
+package de.rfc1437.ironstorage
+
+import androidx.compose.foundation.horizontalScroll
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.statusBarsPadding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import de.rfc1437.ironstorage.core.ShellRepository
+import de.rfc1437.ironstorage.core.ShellState
+import de.rfc1437.ironstorage.features.ShellScreen
+import de.rfc1437.ironstorage.features.ShellViewModel
+
+@Composable
+fun VariantContent(viewModel: ShellViewModel, repository: ShellRepository) {
+    Column(Modifier.statusBarsPadding()) {
+        Row(Modifier.horizontalScroll(rememberScrollState())) {
+            ShellState.entries.forEach { state ->
+                TextButton(onClick = { (repository as DebugShellRepository).showFixture(state) }) {
+                    Text("Fixture: ${state.name}")
+                }
+            }
+        }
+        ShellScreen(viewModel)
+    }
+}

android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,19 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application
+        android:name=".IronStorageApplication"
+        android:allowBackup="false"
+        android:fullBackupContent="@xml/backup_rules"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.IronStorage"
+        android:usesCleartextTraffic="false">
+        <activity android:name=".MainActivity" android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>

android/app/src/main/kotlin/de/rfc1437/ironstorage/IronStorageApplication.kt

@@ -0,0 +1,7 @@
+package de.rfc1437.ironstorage
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class IronStorageApplication : Application()

android/app/src/main/kotlin/de/rfc1437/ironstorage/MainActivity.kt

@@ -0,0 +1,29 @@
+package de.rfc1437.ironstorage
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.activity.viewModels
+import androidx.compose.material3.MaterialTheme
+import dagger.hilt.android.AndroidEntryPoint
+import de.rfc1437.ironstorage.core.ShellRepository
+import de.rfc1437.ironstorage.features.ShellViewModel
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class MainActivity : ComponentActivity() {
+    @Inject lateinit var repository: ShellRepository
+
+    private val viewModel: ShellViewModel by viewModels()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContent {
+            MaterialTheme {
+                VariantContent(viewModel, repository)
+            }
+        }
+    }
+}

android/app/src/main/res/drawable/ic_vault_foreground.xml

@@ -0,0 +1,3 @@
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+    android:drawable="@drawable/ic_vault"
+    android:inset="18dp" />

android/app/src/main/res/drawable/ic_vault_monochrome.xml

@@ -0,0 +1,8 @@
+<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="#00000000" android:strokeColor="#FFFFFFFF"
+        android:strokeWidth="3" android:pathData="M54,24A30,30 0,1 1,54 84A30,30 0,1 1,54 24ZM54,31A23,23 0,1 1,54 77A23,23 0,1 1,54 31ZM54,41A13,13 0,1 1,54 67A13,13 0,1 1,54 41" />
+    <path android:fillColor="#FFFFFFFF"
+        android:pathData="M52,41L56,41L56,52L66,58L64,62L54,56L44,62L42,58L52,52ZM50,50A5.7,5.7 0,1 1,58 58A5.7,5.7 0,1 1,50 50ZM79,37L85,37L85,71L79,71ZM73,39L79,39L79,44L73,44ZM73,64L79,64L79,69L73,69" />
+</vector>

android/app/src/main/res/mipmap-anydpi/ic_launcher.xml

@@ -0,0 +1,5 @@
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/icon_background" />
+    <foreground android:drawable="@drawable/ic_vault_foreground" />
+    <monochrome android:drawable="@drawable/ic_vault_monochrome" />
+</adaptive-icon>

android/app/src/main/res/values/colors.xml

@@ -0,0 +1,3 @@
+<resources>
+    <color name="icon_background">#30363F</color>
+</resources>

android/app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">IronStorage</string>
+</resources>

android/app/src/main/res/values/styles.xml

@@ -0,0 +1,7 @@
+<resources>
+    <style name="Theme.IronStorage" parent="android:style/Theme.Material.Light.NoActionBar">
+        <item name="android:windowLightStatusBar">false</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:windowActionModeOverlay">true</item>
+    </style>
+</resources>

android/app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,7 @@
+<full-backup-content>
+    <exclude domain="root" path="." />
+    <exclude domain="file" path="." />
+    <exclude domain="database" path="." />
+    <exclude domain="sharedpref" path="." />
+    <exclude domain="external" path="." />
+</full-backup-content>

android/app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,16 @@
+<data-extraction-rules>
+    <cloud-backup>
+        <exclude domain="root" path="." />
+        <exclude domain="file" path="." />
+        <exclude domain="database" path="." />
+        <exclude domain="sharedpref" path="." />
+        <exclude domain="external" path="." />
+    </cloud-backup>
+    <device-transfer>
+        <exclude domain="root" path="." />
+        <exclude domain="file" path="." />
+        <exclude domain="database" path="." />
+        <exclude domain="sharedpref" path="." />
+        <exclude domain="external" path="." />
+    </device-transfer>
+</data-extraction-rules>

android/app/src/release/kotlin/de/rfc1437/ironstorage/ReleaseShellModule.kt

@@ -0,0 +1,30 @@
+package de.rfc1437.ironstorage
+
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import de.rfc1437.ironstorage.core.ShellRepository
+import de.rfc1437.ironstorage.core.ShellSnapshot
+import de.rfc1437.ironstorage.core.ShellState
+import de.rfc1437.ironstorage.core.ShellTab
+import javax.inject.Singleton
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+
+class ScaffoldShellRepository : ShellRepository {
+    private val mutableSnapshot = MutableStateFlow(ShellSnapshot(ShellState.Empty, emptyList()))
+    override val snapshot: StateFlow<ShellSnapshot> = mutableSnapshot
+
+    override fun selectTab(tab: ShellTab) {
+        mutableSnapshot.value = mutableSnapshot.value.copy(selectedTab = tab)
+    }
+}
+
+@Module
+@InstallIn(SingletonComponent::class)
+object ReleaseShellModule {
+    @Provides
+    @Singleton
+    fun shellRepository(): ShellRepository = ScaffoldShellRepository()
+}

android/app/src/release/kotlin/de/rfc1437/ironstorage/VariantContent.kt

@@ -0,0 +1,12 @@
+package de.rfc1437.ironstorage
+
+import androidx.compose.runtime.Composable
+import de.rfc1437.ironstorage.core.ShellRepository
+import de.rfc1437.ironstorage.features.ShellScreen
+import de.rfc1437.ironstorage.features.ShellViewModel
+
+@Composable
+@Suppress("UNUSED_PARAMETER")
+fun VariantContent(viewModel: ShellViewModel, repository: ShellRepository) {
+    ShellScreen(viewModel)
+}

android/app/src/testDebug/kotlin/de/rfc1437/ironstorage/DebugShellRepositoryTest.kt

@@ -0,0 +1,20 @@
+package de.rfc1437.ironstorage
+
+import de.rfc1437.ironstorage.core.ShellState
+import de.rfc1437.ironstorage.core.ShellTab
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class DebugShellRepositoryTest {
+    @Test
+    fun everyFixtureHasFivePagesAndSelectionSurvivesStateChanges() {
+        val repository = DebugShellRepository()
+        repository.selectTab(ShellTab.Totp)
+        ShellState.entries.forEach { state ->
+            repository.showFixture(state)
+            assertEquals(state, repository.snapshot.value.state)
+            assertEquals(ShellTab.entries, repository.snapshot.value.pages.map { it.tab })
+            assertEquals(ShellTab.Totp, repository.snapshot.value.selectedTab)
+        }
+    }
+}