Apply custom lint all over modules

build-logic/convention/src/main/kotlin/AndroidApplicationConventionPlugin.kt

@@ -25,6 +25,7 @@ import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.kotlin.dsl.apply
 import org.gradle.kotlin.dsl.configure
+import org.gradle.kotlin.dsl.dependencies
 
 abstract class AndroidApplicationConventionPlugin : Plugin<Project> {
     override fun apply(target: Project) {
@@ -44,6 +45,10 @@ abstract class AndroidApplicationConventionPlugin : Plugin<Project> {
                 configureBadgingTasks(this)
             }
             configureSpotlessForAndroid()
+
+            dependencies {
+                "compileOnly"(project(":lint"))
+            }
         }
     }
 }

build-logic/convention/src/main/kotlin/AndroidLibraryConventionPlugin.kt

@@ -55,11 +55,13 @@ abstract class AndroidLibraryConventionPlugin : Plugin<Project> {
             }
             configureSpotlessForAndroid()
             dependencies {
-                "androidTestImplementation"(libs.findLibrary("kotlin.test").get())
+                if (project.path != ":lint") "compileOnly"(project(":lint"))
+                "implementation"(libs.findLibrary("androidx.tracing.ktx").get())
+
                 "testImplementation"(libs.findLibrary("kotlin.test").get())
                 "testImplementation"(libs.findLibrary("junit").get())
 
-                "implementation"(libs.findLibrary("androidx.tracing.ktx").get())
+                "androidTestImplementation"(libs.findLibrary("kotlin.test").get())
             }
         }
     }

build-logic/convention/src/main/kotlin/AndroidLintConventionPlugin.kt

@@ -44,6 +44,5 @@ class AndroidLintConventionPlugin : Plugin<Project> {
 private fun Lint.configure() {
     xmlReport = true
     sarifReport = true
-    checkDependencies = true
     disable += "GradleDependency"
 }

core/designsystem/build.gradle.kts

@@ -26,8 +26,6 @@ android {
 }
 
 dependencies {
-    lintPublish(projects.lint)
-
     api(libs.androidx.compose.foundation)
     api(libs.androidx.compose.foundation.layout)
     api(libs.androidx.compose.material.iconsExtended)

core/designsystem/lint.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright 2026 The Android Open Source Project
+
+     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
+
+          http://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.
+-->
+<lint>
+    <!--
+        DesignSystem lint check doesn't need on `designsystem` module.
+    -->
+    <issue id="DesignSystem" severity="ignore"/>
+</lint>

lint/README.md

@@ -11,7 +11,7 @@ config:
     nodePlacementStrategy: SIMPLE
 ---
 graph TB
-  :lint[lint]:::unknown
+  :lint[lint]:::android-library
 
 classDef android-application fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;
 classDef android-feature fill:#FFD6A5,stroke:#000,stroke-width:2px,color:#000;

lint/build.gradle.kts

@@ -14,31 +14,14 @@
  * limitations under the License.
  */
 
-import org.jetbrains.kotlin.gradle.dsl.JvmTarget
-
 plugins {
-    `java-library`
-    kotlin("jvm")
-    alias(libs.plugins.nowinandroid.android.lint)
-}
-
-java {
-    // Up to Java 11 APIs are available through desugaring
-    // https://developer.android.com/studio/write/java11-minimal-support-table
-    sourceCompatibility = JavaVersion.VERSION_11
-    targetCompatibility = JavaVersion.VERSION_11
+    alias(libs.plugins.nowinandroid.android.library)
 }
 
-kotlin {
-    compilerOptions {
-        jvmTarget = JvmTarget.JVM_11
-    }
+android {
+    namespace = "com.google.samples.apps.nowinandroid.lint"
 }
 
 dependencies {
-    compileOnly(libs.kotlin.stdlib)
-    compileOnly(libs.lint.api)
-    testImplementation(libs.kotlin.test)
-    testImplementation(libs.lint.checks)
-    testImplementation(libs.lint.tests)
+    lintPublish(projects.lint.impl)
 }

lint/impl/.gitignore

@@ -0,0 +1 @@
+/build

lint/impl/README.md

@@ -0,0 +1,48 @@
+# `:lint:impl`
+
+## Module dependency graph
+
+<!--region graph-->
+```mermaid
+---
+config:
+  layout: elk
+  elk:
+    nodePlacementStrategy: SIMPLE
+---
+graph TB
+  subgraph :lint
+    direction TB
+    :lint:impl[impl]:::unknown
+  end
+
+classDef android-application fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;
+classDef android-feature fill:#FFD6A5,stroke:#000,stroke-width:2px,color:#000;
+classDef android-library fill:#9BF6FF,stroke:#000,stroke-width:2px,color:#000;
+classDef android-test fill:#A0C4FF,stroke:#000,stroke-width:2px,color:#000;
+classDef jvm-library fill:#BDB2FF,stroke:#000,stroke-width:2px,color:#000;
+classDef unknown fill:#FFADAD,stroke:#000,stroke-width:2px,color:#000;
+```
+
+<details><summary>📋 Graph legend</summary>
+
+```mermaid
+graph TB
+  application[application]:::android-application
+  feature[feature]:::android-feature
+  library[library]:::android-library
+  jvm[jvm]:::jvm-library
+
+  application -.-> feature
+  library --> jvm
+
+classDef android-application fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;
+classDef android-feature fill:#FFD6A5,stroke:#000,stroke-width:2px,color:#000;
+classDef android-library fill:#9BF6FF,stroke:#000,stroke-width:2px,color:#000;
+classDef android-test fill:#A0C4FF,stroke:#000,stroke-width:2px,color:#000;
+classDef jvm-library fill:#BDB2FF,stroke:#000,stroke-width:2px,color:#000;
+classDef unknown fill:#FFADAD,stroke:#000,stroke-width:2px,color:#000;
+```
+
+</details>
+<!--endregion-->

lint/impl/build.gradle.kts

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2026 The Android Open Source Project
+ *
+ * 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.
+ */
+
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+plugins {
+    `java-library`
+    kotlin("jvm")
+    alias(libs.plugins.nowinandroid.android.lint)
+}
+
+java {
+    // Up to Java 11 APIs are available through desugaring
+    // https://developer.android.com/studio/write/java11-minimal-support-table
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
+}
+
+kotlin {
+    compilerOptions {
+        jvmTarget = JvmTarget.JVM_11
+    }
+}
+
+dependencies {
+    compileOnly(libs.kotlin.stdlib)
+    compileOnly(libs.lint.api)
+    testImplementation(libs.kotlin.test)
+    testImplementation(libs.lint.checks)
+    testImplementation(libs.lint.tests)
+}

lint/src/main/kotlin/com/google/samples/apps/nowinandroid/lint/NiaIssueRegistry.kt → lint/impl/src/main/kotlin/com/google/samples/apps/nowinandroid/lint/impl/NiaIssueRegistry.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 The Android Open Source Project
+ * Copyright 2026 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-package com.google.samples.apps.nowinandroid.lint
+package com.google.samples.apps.nowinandroid.lint.impl
 
 import com.android.tools.lint.client.api.IssueRegistry
 import com.android.tools.lint.client.api.Vendor
 import com.android.tools.lint.detector.api.CURRENT_API
-import com.google.samples.apps.nowinandroid.lint.designsystem.DesignSystemDetector
+import com.google.samples.apps.nowinandroid.lint.impl.designsystem.DesignSystemDetector
 
 class NiaIssueRegistry : IssueRegistry() {
 

lint/src/main/kotlin/com/google/samples/apps/nowinandroid/lint/TestMethodNameDetector.kt → lint/impl/src/main/kotlin/com/google/samples/apps/nowinandroid/lint/impl/TestMethodNameDetector.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.google.samples.apps.nowinandroid.lint
+package com.google.samples.apps.nowinandroid.lint.impl
 
 import com.android.tools.lint.detector.api.AnnotationInfo
 import com.android.tools.lint.detector.api.AnnotationUsageInfo

lint/src/main/kotlin/com/google/samples/apps/nowinandroid/lint/designsystem/DesignSystemDetector.kt → lint/impl/src/main/kotlin/com/google/samples/apps/nowinandroid/lint/impl/designsystem/DesignSystemDetector.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.google.samples.apps.nowinandroid.lint.designsystem
+package com.google.samples.apps.nowinandroid.lint.impl.designsystem
 
 import com.android.tools.lint.client.api.UElementHandler
 import com.android.tools.lint.detector.api.Category

lint/src/main/resources/META-INF/services/com.android.tools.lint.client.api.IssueRegistry → lint/impl/src/main/resources/META-INF/services/com.android.tools.lint.client.api.IssueRegistry

@@ -14,4 +14,4 @@
 #  limitations under the License.
 #
 
-com.google.samples.apps.nowinandroid.lint.NiaIssueRegistry
+com.google.samples.apps.nowinandroid.lint.impl.NiaIssueRegistry

lint/src/test/kotlin/com/google/samples/apps/nowinandroid/lint/designsystem/DesignSystemDetectorTest.kt → lint/impl/src/test/kotlin/com/google/samples/apps/nowinandroid/lint/impl/designsystem/DesignSystemDetectorTest.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 The Android Open Source Project
+ * Copyright 2026 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package com.google.samples.apps.nowinandroid.lint.designsystem
+package com.google.samples.apps.nowinandroid.lint.impl.designsystem
 
 import com.android.tools.lint.checks.infrastructure.TestFile
 import com.android.tools.lint.checks.infrastructure.TestFiles.kotlin
 import com.android.tools.lint.checks.infrastructure.TestLintTask.lint
-import com.google.samples.apps.nowinandroid.lint.designsystem.DesignSystemDetector.Companion.ISSUE
-import com.google.samples.apps.nowinandroid.lint.designsystem.DesignSystemDetector.Companion.METHOD_NAMES
-import com.google.samples.apps.nowinandroid.lint.designsystem.DesignSystemDetector.Companion.RECEIVER_NAMES
+import com.google.samples.apps.nowinandroid.lint.impl.designsystem.DesignSystemDetector.Companion.ISSUE
+import com.google.samples.apps.nowinandroid.lint.impl.designsystem.DesignSystemDetector.Companion.METHOD_NAMES
+import com.google.samples.apps.nowinandroid.lint.impl.designsystem.DesignSystemDetector.Companion.RECEIVER_NAMES
 import org.junit.Test
 
 class DesignSystemDetectorTest {

lint/src/test/kotlin/com/google/samples/apps/nowinandroid/lint/TestMethodNameDetectorTest.kt → lint/impl/src/test/kotlin/com/google/samples/apps/nowinandroid/lint/impl/designsystem/TestMethodNameDetectorTest.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 The Android Open Source Project
+ * Copyright 2026 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-package com.google.samples.apps.nowinandroid.lint
+package com.google.samples.apps.nowinandroid.lint.impl.designsystem
 
 import com.android.tools.lint.checks.infrastructure.TestFile
 import com.android.tools.lint.checks.infrastructure.TestFiles.kotlin
 import com.android.tools.lint.checks.infrastructure.TestLintTask.lint
-import com.google.samples.apps.nowinandroid.lint.TestMethodNameDetector.Companion.FORMAT
-import com.google.samples.apps.nowinandroid.lint.TestMethodNameDetector.Companion.PREFIX
+import com.google.samples.apps.nowinandroid.lint.impl.TestMethodNameDetector.Companion.FORMAT
+import com.google.samples.apps.nowinandroid.lint.impl.TestMethodNameDetector.Companion.PREFIX
 import org.junit.Test
 
 class TestMethodNameDetectorTest {

settings.gradle.kts

@@ -78,6 +78,7 @@ include(":feature:search:api")
 include(":feature:search:impl")
 include(":feature:settings:impl")
 include(":lint")
+include(":lint:impl")
 include(":sync:work")
 include(":sync:sync-test")
 include(":ui-test-hilt-manifest")