Refactor preferences

.editorconfig

@@ -0,0 +1,26 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{kt,kts}]
+indent_size = 4
+indent_style = space
+ij_kotlin_allow_trailing_comma = true
+ij_kotlin_allow_trailing_comma_on_call_site = true
+ij_kotlin_name_count_to_use_star_import = 2147483647
+ij_kotlin_name_count_to_use_star_import_for_members = 2147483647
+ij_kotlin_packages_to_use_import_on_demand = unset
+ktlint_class_signature_rule_force_multiline_when_parameter_count_greater_or_equal_than = 1
+ij_kotlin_line_break_after_multiline_when_entry = false
+ktlint_code_style = android_studio
+ktlint_function_naming_ignore_when_annotated_with = Composable
+ktlint_standard_filename = disabled
+ktlint_standard_function-expression-body = disabled
+ktlint_standard_function-signature = disabled
+ktlint_standard_trailing-comma-on-call-site = disabled
+ktlint_standard_blank-line-between-when-conditions = disabled
+max_line_length = 100

CLAUDE.md

@@ -0,0 +1 @@
+AGENTS.md

GEMINI.md

@@ -0,0 +1 @@
+AGENTS.md

app/build.gradle.kts

@@ -1,5 +1,8 @@
+import dev.detekt.gradle.Detekt
+import dev.detekt.gradle.DetektCreateBaselineTask
 import java.io.FileInputStream
 import java.util.Properties
+import org.jetbrains.kotlin.gradle.tasks.KotlinJvmCompile
 
 val keystorePropertiesFile = rootProject.file("keystore.properties")
 val useKeystoreProperties = keystorePropertiesFile.canRead()
@@ -10,6 +13,64 @@ if (useKeystoreProperties) {
 
 plugins {
     alias(libs.plugins.android.application)
+    alias(libs.plugins.detekt)
+    alias(libs.plugins.hilt)
+    alias(libs.plugins.ksp)
+}
+
+detekt {
+    basePath.set(rootDir)
+    baseline = file("detekt-baseline.xml")
+    buildUponDefaultConfig = true
+    config.setFrom(rootProject.file("config/detekt/detekt.yml"))
+    ignoredBuildTypes = listOf("release")
+    parallel = true
+}
+
+// detekt's classpath convention is the compilation's dependencies and nothing else, so BuildConfig
+// and androidxc/ resolve to nothing and every type-aware rule goes quiet instead of reporting. A
+// Gradle convention cannot be appended to: `from` would discard it, hence `setFrom` with both.
+fun addOwnClassesToDetektClasspath(
+    classpath: ConfigurableFileCollection,
+    variantName: String,
+) {
+    classpath.setFrom(
+        tasks.named<KotlinJvmCompile>("compile${variantName}Kotlin").map { it.libraries },
+        tasks.named("compile${variantName}JavaWithJavac").map { it.outputs.files },
+    )
+}
+
+// Only the variants `check` gates on below. The plugin's other detekt tasks analyse a source set
+// at a time without types and have no compilation to take a classpath from.
+listOf("Debug", "DebugUnitTest", "DebugAndroidTest").forEach { variantName ->
+    tasks
+        .withType<Detekt>()
+        .matching { it.name == "detekt$variantName" }
+        .configureEach {
+            addOwnClassesToDetektClasspath(classpath, variantName)
+        }
+
+    tasks
+        .withType<DetektCreateBaselineTask>()
+        .matching { it.name == "detektBaseline$variantName" }
+        .configureEach {
+            addOwnClassesToDetektClasspath(classpath, variantName)
+        }
+}
+
+// The aggregate `detekt` task analyses every source set at once without type resolution, so it
+// cannot see what the type-aware rules exist for. The debug variants cover the same sources with
+// types, so `check` gates on those and the aggregate stays off.
+tasks.named("check") {
+    dependsOn(
+        tasks.named("detektDebug"),
+        tasks.named("detektDebugUnitTest"),
+        tasks.named("detektDebugAndroidTest"),
+    )
+}
+
+tasks.named("detekt") {
+    enabled = false
 }
 
 java {
@@ -89,6 +150,14 @@ android {
     androidResources {
         localeFilters += listOf("en")
     }
+
+    testOptions {
+        unitTests {
+            // Robolectric builds its application under test from the merged manifest and
+            // resources; without this it cannot start one.
+            isIncludeAndroidResources = true
+        }
+    }
 }
 
 dependencies {
@@ -97,10 +166,19 @@ dependencies {
     implementation(libs.androidx.constraintlayout)
     implementation(libs.androidx.core.ktx)
 
+    implementation(libs.kotlinx.coroutines.core)
+
+    implementation(libs.hilt.android)
+    ksp(libs.hilt.compiler)
+
     implementation(libs.bundles.camerax)
 
     implementation(libs.zxing.core)
 
+    testImplementation(libs.junit4)
+    testImplementation(libs.robolectric)
+    testImplementation(libs.androidx.test.core.ktx)
+
     androidTestImplementation(libs.androidx.test.core.ktx)
     androidTestImplementation(libs.androidx.test.ext.junit.ktx)
     androidTestImplementation(libs.androidx.test.rules)