Update AndroidManifest to set install location to internal only (again)

- Remove `build.gradle.kts` file
- Update `settings.gradle.kts` to use `gradlePluginPortal` for plugins
- Set `repositoriesMode` to `PREFER_SETTINGS`
- Add comments for clarity in `settings.gradle.kts`

.github/workflows/test-dev.yml

@@ -49,10 +49,10 @@ jobs:
       # Cache configurations for the other jobs (including assemble for CodeQL)
       - name: Populate configuration cache
         run: |
-          ./gradlew --dry-run app:assembleDebug
-          ./gradlew --dry-run app:lintOseDebug
-          ./gradlew --dry-run app:testOseDebugUnitTest
-          ./gradlew --dry-run app:virtualOseDebugAndroidTest
+          ./gradlew --dry-run core:assembleDebug app:assembleDebug
+          ./gradlew --dry-run core:lintDebug app:lintOseDebug
+          ./gradlew --dry-run core:testDebugUnitTest
+          ./gradlew --dry-run core:virtualDebugAndroidTest
 
   unit_tests:
     needs: compile
@@ -76,10 +76,10 @@ jobs:
           key: android-${{ hashFiles('app/build.gradle.kts') }}
 
       - name: Lint checks
-        run: ./gradlew app:lintOseDebug
+        run: ./gradlew core:lintDebug app:lintOseDebug
 
       - name: Unit tests
-        run: ./gradlew app:testOseDebugUnitTest
+        run: ./gradlew core:testDebugUnitTest
 
   instrumented_tests:
     needs: compile
@@ -126,7 +126,7 @@ jobs:
           sudo udevadm trigger --name-match=kvm
 
       - name: Instrumented tests
-        run: ./gradlew app:virtualOseDebugAndroidTest
+        run: ./gradlew core:virtualDebugAndroidTest
 
       - name: Cache AVD
         uses: actions/cache/save@v5

app-ose/build.gradle.kts

@@ -0,0 +1,126 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ */
+
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.compose.compiler)
+    alias(libs.plugins.hilt)
+    alias(libs.plugins.ksp)
+}
+
+android {
+    compileSdk = 36
+
+    defaultConfig {
+        minSdk = 24        // Android 7.0
+        targetSdk = 36     // Android 16
+
+        applicationId = "at.bitfire.davdroid"
+
+        versionCode = 405090005
+        versionName = "4.5.9"
+
+        base.archivesName = "davx5-$versionCode-$versionName"
+    }
+
+    java {
+        toolchain {
+            languageVersion = JavaLanguageVersion.of(21)
+        }
+    }
+
+    compileOptions {
+        isCoreLibraryDesugaringEnabled = true
+    }
+
+    buildFeatures {
+        compose = true
+    }
+
+    // Java namespace for our classes (not to be confused with Android package ID)
+    namespace = "com.davx5.ose"
+
+    flavorDimensions += "distribution"
+    productFlavors {
+        create("ose") {
+            dimension = "distribution"
+            versionNameSuffix = "-ose"
+        }
+    }
+
+    androidResources {
+        generateLocaleConfig = true
+    }
+
+    buildTypes {
+        getByName("release") {
+            isMinifyEnabled = true
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules-release.pro")
+
+            isShrinkResources = true
+
+            signingConfig = signingConfigs.findByName("bitfire")
+        }
+    }
+
+    signingConfigs {
+        create("bitfire") {
+            storeFile = file(System.getenv("ANDROID_KEYSTORE") ?: "/dev/null")
+            storePassword = System.getenv("ANDROID_KEYSTORE_PASSWORD")
+            keyAlias = System.getenv("ANDROID_KEY_ALIAS")
+            keyPassword = System.getenv("ANDROID_KEY_PASSWORD")
+        }
+    }
+
+    @Suppress("UnstableApiUsage")
+    testOptions {
+        managedDevices {
+            localDevices {
+                create("virtual") {
+                    device = "Pixel 3"
+                    // TBD: API level 35 and higher causes network tests to fail sometimes, see https://github.com/bitfireAT/davx5-ose/issues/1525
+                    // Suspected reason: https://developer.android.com/about/versions/15/behavior-changes-all#background-network-access
+                    apiLevel = 34
+                    systemImageSource = "aosp-atd"
+                }
+            }
+        }
+    }
+}
+
+dependencies {
+    // include core subproject (manages its own dependencies itself, however from same version catalog)
+    implementation(project(":core"))
+
+    // Kotlin / Android
+    implementation(libs.kotlin.stdlib)
+    implementation(libs.kotlinx.coroutines)
+    coreLibraryDesugaring(libs.android.desugaring)
+
+    // Hilt
+    implementation(libs.hilt.android.base)
+    ksp(libs.androidx.hilt.compiler)
+    ksp(libs.hilt.android.compiler)
+
+    // support libs
+    implementation(libs.androidx.core)
+    implementation(libs.androidx.hilt.work)
+    implementation(libs.androidx.lifecycle.viewmodel.base)
+    implementation(libs.androidx.lifecycle.viewmodel.compose)
+    implementation(libs.androidx.work.base)
+
+    // Jetpack Compose
+    implementation(platform(libs.androidx.compose.bom))
+    implementation(libs.androidx.compose.material3)
+    debugImplementation(libs.androidx.compose.ui.tooling)
+    implementation(libs.androidx.compose.ui.toolingPreview)
+
+    // own libraries
+    implementation(libs.bitfire.cert4android)
+
+    // third-party libs
+    implementation(libs.guava)
+    implementation(libs.okhttp.base)
+    implementation(libs.openid.appauth)
+}

app-ose/src/main/AndroidManifest.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+  -->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:installLocation="internalOnly">
+
+    <application android:name=".App">
+
+        <!-- Required for Hilt/WorkManager integration. See
+        - https://developer.android.com/develop/background-work/background-tasks/persistent/configuration/custom-configuration#remove-default
+        - https://developer.android.com/training/dependency-injection/hilt-jetpack#workmanager
+        However, we must not disable AndroidX startup completely, as it's needed by other libraries like okhttp. -->
+        <provider
+                android:name="androidx.startup.InitializationProvider"
+                android:authorities="${applicationId}.androidx-startup"
+                android:exported="false"
+                tools:node="merge">
+            <meta-data
+                    android:name="androidx.work.WorkManagerInitializer"
+                    android:value="androidx.startup"
+                    tools:node="remove" />
+        </provider>
+
+    </application>
+
+</manifest>

app-ose/src/main/kotlin/com/davx5/ose/App.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ */
+
+package com.davx5.ose
+
+import androidx.work.Configuration
+import at.bitfire.davdroid.CoreApp
+import dagger.hilt.android.HiltAndroidApp
+
+/**
+ * Actual implementation of Application, used for Hilt. Delegates to [CoreApp].
+ */
+@HiltAndroidApp
+class App: CoreApp(), Configuration.Provider {
+
+    /**
+     * Required for Hilt/WorkManager integration, see:
+     * https://developer.android.com/training/dependency-injection/hilt-jetpack#workmanager
+     *
+     * This requires to remove the androidx.work.WorkManagerInitializer from App Startup
+     * in the AndroidManifest, see:
+     * https://developer.android.com/develop/background-work/background-tasks/persistent/configuration/custom-configuration#remove-default
+     */
+    override val workManagerConfiguration: Configuration
+        get() = Configuration.Builder()
+            .setWorkerFactory(workerFactory)
+            .build()
+
+}

app-ose/src/ose/kotlin/com/davx5/ose/di/ColorSchemesModule.kt

@@ -7,7 +7,7 @@ package com.davx5.ose.di
 import androidx.compose.material3.ColorScheme
 import at.bitfire.davdroid.di.scope.DarkColorScheme
 import at.bitfire.davdroid.di.scope.LightColorScheme
-import com.davx5.ose.ui.OseTheme
+import at.bitfire.davdroid.ui.OseTheme
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
@@ -15,7 +15,7 @@ import dagger.hilt.components.SingletonComponent
 
 @Module
 @InstallIn(SingletonComponent::class)
-class OseColorSchemesModule {
+class ColorSchemesModule {
 
     @Provides
     @LightColorScheme

app-ose/src/ose/kotlin/com/davx5/ose/di/OseFlavorModule.kt

@@ -11,7 +11,7 @@ import at.bitfire.davdroid.ui.intro.IntroPageFactory
 import at.bitfire.davdroid.ui.setup.LoginTypesProvider
 import com.davx5.ose.ui.about.OpenSourceLicenseInfoProvider
 import com.davx5.ose.ui.intro.OseIntroPageFactory
-import com.davx5.ose.ui.setup.StandardLoginTypesProvider
+import at.bitfire.davdroid.ui.setup.StandardLoginTypesProvider
 import dagger.Binds
 import dagger.Module
 import dagger.hilt.InstallIn

app-ose/src/ose/kotlin/com/davx5/ose/ui/about/OpenSourceLicenseInfoProvider.kt

@@ -4,7 +4,7 @@
 
 package com.davx5.ose.ui.about
 
-import android.app.Application
+import android.content.Context
 import android.text.Spanned
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
@@ -14,14 +14,16 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.core.text.HtmlCompat
-import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import androidx.lifecycle.viewmodel.compose.viewModel
+import at.bitfire.davdroid.di.scope.IoDispatcher
 import at.bitfire.davdroid.ui.UiUtils.toAnnotatedString
 import at.bitfire.davdroid.ui.about.AboutActivity
 import com.google.common.io.CharStreams
 import dagger.hilt.android.lifecycle.HiltViewModel
-import kotlinx.coroutines.Dispatchers
+import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
@@ -41,13 +43,16 @@ class OpenSourceLicenseInfoProvider @Inject constructor(): AboutActivity.AppLice
 
 
     @HiltViewModel
-    class Model @Inject constructor(app: Application): AndroidViewModel(app) {
+    class Model @Inject constructor(
+        @ApplicationContext private val context: Context,
+        @IoDispatcher private val ioDispatcher: CoroutineDispatcher
+    ): ViewModel() {
 
         var gpl by mutableStateOf<Spanned?>(null)
 
         init {
-            viewModelScope.launch(Dispatchers.IO) {
-                app.resources.assets.open("gplv3.html").use { inputStream ->
+            viewModelScope.launch(ioDispatcher) {
+                context.resources.assets.open("gplv3.html").use { inputStream ->
                     val raw = CharStreams.toString(inputStream.bufferedReader())
                     gpl = HtmlCompat.fromHtml(raw, HtmlCompat.FROM_HTML_MODE_LEGACY)
                 }

build.gradle.kts

@@ -1,12 +0,0 @@
-/*
- * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
- */
-
-plugins {
-    alias(libs.plugins.android.application) apply false
-    alias(libs.plugins.compose.compiler) apply false
-    alias(libs.plugins.hilt) apply false
-    alias(libs.plugins.ksp) apply false
-
-    alias(libs.plugins.mikepenz.aboutLibraries.android) apply false
-}

core/build.gradle.kts

@@ -3,7 +3,7 @@
  */
 
 plugins {
-    alias(libs.plugins.android.application)
+    alias(libs.plugins.android.library)
     alias(libs.plugins.compose.compiler)
     alias(libs.plugins.hilt)
     alias(libs.plugins.kotlin.serialization)
@@ -16,15 +16,7 @@ android {
     compileSdk = 36
 
     defaultConfig {
-        applicationId = "at.bitfire.davdroid"
-
-        versionCode = 405090005
-        versionName = "4.5.9"
-
-        base.archivesName = "davx5-$versionCode-$versionName"
-
         minSdk = 24        // Android 7.0
-        targetSdk = 36     // Android 16
 
         testInstrumentationRunner = "at.bitfire.davdroid.HiltTestRunner"
     }
@@ -50,37 +42,9 @@ android {
     // Java namespace for our classes (not to be confused with Android package ID)
     namespace = "at.bitfire.davdroid"
 
-    flavorDimensions += "distribution"
-    productFlavors {
-        create("ose") {
-            dimension = "distribution"
-            versionNameSuffix = "-ose"
-        }
-    }
-
-    sourceSets {
-        getByName("androidTest") {
-            assets.srcDir("$projectDir/schemas")
-        }
-    }
-
-    signingConfigs {
-        create("bitfire") {
-            storeFile = file(System.getenv("ANDROID_KEYSTORE") ?: "/dev/null")
-            storePassword = System.getenv("ANDROID_KEYSTORE_PASSWORD")
-            keyAlias = System.getenv("ANDROID_KEY_ALIAS")
-            keyPassword = System.getenv("ANDROID_KEY_PASSWORD")
-        }
-    }
-
     buildTypes {
         getByName("release") {
-            isMinifyEnabled = true
-            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules-release.pro")
-
-            isShrinkResources = true
-
-            signingConfig = signingConfigs.findByName("bitfire")
+            isMinifyEnabled = false
         }
     }
 
@@ -88,10 +52,6 @@ android {
         disable += arrayOf("GoogleAppIndexingWarning", "ImpliedQuantity", "MissingQuantity", "MissingTranslation", "ExtraTranslation", "RtlEnabled", "RtlHardcoded", "Typos")
     }
 
-    androidResources {
-        generateLocaleConfig = true
-    }
-
     packaging {
         resources {
             // multiple (test) dependencies have LICENSE files at same location
@@ -99,6 +59,12 @@ android {
         }
     }
 
+    sourceSets {
+        getByName("androidTest") {
+            assets.srcDir("$projectDir/schemas")
+        }
+    }
+
     @Suppress("UnstableApiUsage")
     testOptions {
         managedDevices {
@@ -127,7 +93,7 @@ aboutLibraries {
 }
 
 dependencies {
-    // core
+    // Kotlin / Android
     implementation(libs.kotlin.stdlib)
     implementation(libs.kotlinx.coroutines)
     coreLibraryDesugaring(libs.android.desugaring)

core/src/androidTest/kotlin/at/bitfire/davdroid/di/Cert4AndroidModule.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ */
+
+package at.bitfire.davdroid.di
+
+import at.bitfire.cert4android.CustomCertManager
+import at.bitfire.cert4android.CustomCertStore
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import java.util.Optional
+
+@Module
+@InstallIn(SingletonComponent::class)
+class Cert4AndroidModule {
+
+    @Provides
+    fun customCertManager(): Optional<CustomCertManager> = Optional.empty()
+
+    @Provides
+    fun customHostnameVerifier(): Optional<CustomCertManager.HostnameVerifier> = Optional.empty()
+
+    @Provides
+    fun customCertStore(): Optional<CustomCertStore> = Optional.empty()
+
+}

core/src/androidTest/kotlin/at/bitfire/davdroid/di/ColorSchemesModule.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ */
+
+package at.bitfire.davdroid.di
+
+import androidx.compose.material3.ColorScheme
+import at.bitfire.davdroid.di.scope.DarkColorScheme
+import at.bitfire.davdroid.di.scope.LightColorScheme
+import at.bitfire.davdroid.ui.OseTheme
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+
+@Module
+@InstallIn(SingletonComponent::class)
+class ColorSchemesModule {
+
+    @Provides
+    @LightColorScheme
+    fun lightColorScheme(): ColorScheme = OseTheme.lightScheme
+
+    @Provides
+    @DarkColorScheme
+    fun darkColorScheme(): ColorScheme = OseTheme.darkScheme
+
+}

core/src/androidTest/kotlin/at/bitfire/davdroid/di/TestFlavorModule.kt

@@ -0,0 +1,51 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ */
+
+package at.bitfire.davdroid.di
+
+import at.bitfire.davdroid.ui.AccountsDrawerHandler
+import at.bitfire.davdroid.ui.OseAccountsDrawerHandler
+import at.bitfire.davdroid.ui.about.AboutActivity
+import at.bitfire.davdroid.ui.about.FakeAppLicenseInfoProvider
+import at.bitfire.davdroid.ui.intro.FakeIntroPageFactory
+import at.bitfire.davdroid.ui.intro.IntroPageFactory
+import at.bitfire.davdroid.ui.setup.LoginTypesProvider
+import at.bitfire.davdroid.ui.setup.StandardLoginTypesProvider
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.android.components.ActivityComponent
+import dagger.hilt.android.components.ViewModelComponent
+import dagger.hilt.components.SingletonComponent
+
+interface OseModules {
+
+    @Module
+    @InstallIn(ActivityComponent::class)
+    interface ForActivities {
+        @Binds
+        fun accountsDrawerHandler(impl: OseAccountsDrawerHandler): AccountsDrawerHandler
+
+        @Binds
+        fun loginTypesProvider(impl: StandardLoginTypesProvider): LoginTypesProvider
+    }
+
+    @Module
+    @InstallIn(ViewModelComponent::class)
+    interface ForViewModels {
+        @Binds
+        fun appLicenseInfoProvider(impl: FakeAppLicenseInfoProvider): AboutActivity.AppLicenseInfoProvider
+
+        @Binds
+        fun loginTypesProvider(impl: StandardLoginTypesProvider): LoginTypesProvider
+    }
+
+    @Module
+    @InstallIn(SingletonComponent::class)
+    interface Global {
+        @Binds
+        fun introPageFactory(impl: FakeIntroPageFactory): IntroPageFactory
+    }
+
+}