Improve Matrix class

.github/workflows/quality.yml

@@ -14,6 +14,16 @@ jobs:
       - name: Run code quality check suite
         run: ./tools/check/check_code_quality.sh
 
+# Knit for all the modules (https://github.com/Kotlin/kotlinx-knit)
+  knit:
+    name: Knit
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Run knit
+        run: |
+          ./gradlew knit
+
 # ktlint for all the modules
   ktlint:
     name: Kotlin Linter

build.gradle

@@ -30,6 +30,7 @@ buildscript {
         classpath "com.likethesalad.android:stem-plugin:2.0.0"
         classpath 'org.owasp:dependency-check-gradle:7.1.0.1'
         classpath "org.jetbrains.dokka:dokka-gradle-plugin:1.6.21"
+        classpath "org.jetbrains.kotlinx:kotlinx-knit:0.4.0"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }

changelog.d/5887.sdk

@@ -0,0 +1 @@
+Small change in the Matrix class: deprecated methods have been removed and the constructor is now public. Also the fun `workerFactory()` has been renamed to `getWorkerFactory()`

docs/add_threePids.md

@@ -37,9 +37,9 @@ Wording: "We've sent you an email to verify your address. Please follow the inst
 }
 ```
 
-## User receive an e-mail
+## User receives an e-mail
 
-> [homeserver.org] Validate your email
+> `homeserver.org` Validate your email
 >
 > A request to add an email address to your Matrix account has been received. If this was you, please click the link below to confirm adding this email:
   https://homeserver.org/_matrix/client/unstable/add_threepid/email/submit_token?token=WUnEhQAmJrXupdEbXgdWvnVIKaGYZFsU&client_secret=TixzvOnw7nLEUdiQEmkHzkXKrY4HhiGh&sid=bxyDHuJKsdkjMlTJ

docs/pull_request.md

@@ -116,7 +116,7 @@ Review such PR is the same recipe than for PR from Dependabot
 ##### Sync analytics plan
 
 This tools imports any update in the analytics plan. See instruction in the PR itself to handle it.
-More info can be found in the file [analytics.md]
+More info can be found in the file [analytics.md](./analytics.md)
 
 ## Reviewing PR
 
@@ -247,4 +247,4 @@ Also "Resolve conversation" should probably be hit by the creator of the convers
 
 PR submitter is responsible of the incoming change. PR reviewers who approved the PR take a part of responsibility on the code which will land to develop, and then be used by our users, and the user of our forks.
 
-That said, bug may still be merged on `develop`, this is still acceptable of course. In this case, please make sure an issue is created and correctly labelled. Ideally, such issues should be fixed before the next release candidate, i.e. with a higher priority. But as we release the application every 10 working days, it can be hard to fix every bugs. That's why PR should be fully tested and reviewed before being merge and we should never comment code review remark with "will be handled later", or similar comments.
+That said, bug may still be merged on `develop`, this is still acceptable of course. In this case, please make sure an issue is created and correctly labelled. Ideally, such issues should be fixed before the next release candidate, i.e. with a higher priority. But as we release the application every 10 working days, it can be hard to fix every bugs. That's why PR should be fully tested and reviewed before being merge and we should never comment code review remark with "will be handled later", or similar comments.

matrix-sdk-android/build.gradle

@@ -21,7 +21,7 @@ dokkaHtml {
     dokkaSourceSets {
         configureEach {
             // Emit warnings about not documented members.
-            reportUndocumented.set(true)
+            // reportUndocumented.set(true)
             // Suppress legacy Riot's packages.
             perPackageOption {
                 matchingRegex.set("org.matrix.android.sdk.internal.legacy.riot")

matrix-sdk-android/docs/modules.md

@@ -11,11 +11,11 @@ This pages list the complete API that this SDK is exposing to a client applicati
 
 A few entry points:
 
-- **Matrix**: The app will have to create and manage a Matrix object.
-- From this **Matrix** object, you will be able to get various services, including the **AuthenticationService**.
-- With this **AuthenticationService** you will be able to get an existing **Session**, or create one using a **LoginWizard** or a **RegistrationWizard**, which will finally give you a **Session**.
-- From the **Session**, you will be able to retrieve many Services, including the **RoomService**.
-- From the **RoomService**, you will be able to list the rooms, create a **Room**, and get a specific **Room**.
-- And from a **Room**, you will be able to do many things, including get a **Timeline**, send messages, etc.
+- **[Matrix](org.matrix.android.sdk.api.Matrix)**: The app will have to create and manage a **[Matrix](org.matrix.android.sdk.api.Matrix)** object.
+- From this **[Matrix](org.matrix.android.sdk.api.Matrix)** object, you will be able to get various services, including the **[AuthenticationService](org.matrix.android.sdk.api.auth.AuthenticationService)**.
+- With this **[AuthenticationService](org.matrix.android.sdk.api.auth.AuthenticationService)** you will be able to get an existing **[Session](org.matrix.android.sdk.api.session.Session)**, or create one using a **[LoginWizard](org.matrix.android.sdk.api.auth.login.LoginWizard)** or a **[RegistrationWizard](org.matrix.android.sdk.api.auth.registration.RegistrationWizard)**, which will finally give you a **[Session](org.matrix.android.sdk.api.session.Session)**.
+- From the **[Session](org.matrix.android.sdk.api.session.Session)**, you will be able to retrieve many Services, including the **[RoomService](org.matrix.android.sdk.api.session.room.RoomService)**.
+- From the **[RoomService](org.matrix.android.sdk.api.session.room.RoomService)**, you will be able to list the rooms, create a **[Room](org.matrix.android.sdk.api.session.room.Room)**, and get a specific **[Room](org.matrix.android.sdk.api.session.room.Room)**.
+- And from a **[Room](org.matrix.android.sdk.api.session.room.Room)**, you will be able to do many things, including get a **[Timeline](org.matrix.android.sdk.api.session.room.timeline.Timeline)**, send messages, etc.
 
 Please read the whole documentation to learn more!

matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/common/CommonTestHelper.kt

@@ -63,16 +63,17 @@ class CommonTestHelper(context: Context) {
     fun getTestInterceptor(session: Session): MockOkHttpInterceptor? = TestModule.interceptorForSession(session.sessionId) as? MockOkHttpInterceptor
 
     init {
+        var _matrix: TestMatrix? = null
         UiThreadStatement.runOnUiThread {
-            TestMatrix.initialize(
+            _matrix = TestMatrix(
                     context,
                     MatrixConfiguration(
                             applicationFlavor = "TestFlavor",
                             roomDisplayNameFallbackProvider = TestRoomDisplayNameFallbackProvider()
                     )
             )
         }
-        matrix = TestMatrix.getInstance()
+        matrix = _matrix!!
     }
 
     fun createAccount(userNamePrefix: String, testParams: SessionTestParams): Session {

matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/common/TestMatrix.kt

@@ -38,13 +38,12 @@ import org.matrix.android.sdk.internal.util.BackgroundDetectionObserver
 import org.matrix.android.sdk.internal.worker.MatrixWorkerFactory
 import org.matrix.olm.OlmManager
 import java.util.concurrent.Executors
-import java.util.concurrent.atomic.AtomicBoolean
 import javax.inject.Inject
 
 /**
  * This mimics the Matrix class but using TestMatrixComponent internally instead of regular MatrixComponent.
  */
-internal class TestMatrix constructor(context: Context, matrixConfiguration: MatrixConfiguration) {
+internal class TestMatrix(context: Context, matrixConfiguration: MatrixConfiguration) {
 
     @Inject internal lateinit var legacySessionImporter: LegacySessionImporter
     @Inject internal lateinit var authenticationService: AuthenticationService
@@ -60,13 +59,14 @@ internal class TestMatrix constructor(context: Context, matrixConfiguration: Mat
     private val uiHandler = Handler(Looper.getMainLooper())
 
     init {
-        Monarchy.init(context)
-        DaggerTestMatrixComponent.factory().create(context, matrixConfiguration).inject(this)
+        val appContext = context.applicationContext
+        Monarchy.init(appContext)
+        DaggerTestMatrixComponent.factory().create(appContext, matrixConfiguration).inject(this)
         val configuration = Configuration.Builder()
                 .setExecutor(Executors.newCachedThreadPool())
                 .setWorkerFactory(matrixWorkerFactory)
                 .build()
-        WorkManager.initialize(context, configuration)
+        WorkManager.initialize(appContext, configuration)
         uiHandler.post {
             ProcessLifecycleOwner.get().lifecycle.addObserver(backgroundDetectionObserver)
         }
@@ -95,23 +95,6 @@ internal class TestMatrix constructor(context: Context, matrixConfiguration: Mat
     }
 
     companion object {
-
-        private lateinit var instance: TestMatrix
-        private val isInit = AtomicBoolean(false)
-
-        fun initialize(context: Context, matrixConfiguration: MatrixConfiguration) {
-            if (isInit.compareAndSet(false, true)) {
-                instance = TestMatrix(context.applicationContext, matrixConfiguration)
-            }
-        }
-
-        fun getInstance(): TestMatrix {
-            if (isInit.compareAndSet(false, false)) {
-                throw IllegalStateException("Matrix is not initialized properly. You should call TestMatrix.initialize first")
-            }
-            return instance
-        }
-
         fun getSdkVersion(): String {
             return BuildConfig.SDK_VERSION + " (" + BuildConfig.GIT_SDK_REVISION + ")"
         }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/Matrix.kt

@@ -38,15 +38,18 @@ import org.matrix.android.sdk.internal.util.BackgroundDetectionObserver
 import org.matrix.android.sdk.internal.worker.MatrixWorkerFactory
 import org.matrix.olm.OlmManager
 import java.util.concurrent.Executors
-import java.util.concurrent.atomic.AtomicBoolean
 import javax.inject.Inject
 
 /**
  * This is the main entry point to the matrix sdk.
  * <br/>
- * See [Companion.createInstance] to create an instance. The app should create and manage the instance itself.
+ *
+ * The constructor creates a new instance of Matrix, it's recommended to manage this instance as a singleton.
+ *
+ * @param context the application context
+ * @param matrixConfiguration global configuration that will be used for every [org.matrix.android.sdk.api.session.Session]
  */
-class Matrix private constructor(context: Context, matrixConfiguration: MatrixConfiguration) {
+class Matrix(context: Context, matrixConfiguration: MatrixConfiguration) {
 
     @Inject internal lateinit var legacySessionImporter: LegacySessionImporter
     @Inject internal lateinit var authenticationService: AuthenticationService
@@ -61,89 +64,72 @@ class Matrix private constructor(context: Context, matrixConfiguration: MatrixCo
     @Inject internal lateinit var lightweightSettingsStorage: LightweightSettingsStorage
 
     init {
-        Monarchy.init(context)
-        DaggerMatrixComponent.factory().create(context, matrixConfiguration).inject(this)
-        if (context.applicationContext !is Configuration.Provider) {
+        val appContext = context.applicationContext
+        Monarchy.init(appContext)
+        DaggerMatrixComponent.factory().create(appContext, matrixConfiguration).inject(this)
+        if (appContext !is Configuration.Provider) {
             val configuration = Configuration.Builder()
                     .setExecutor(Executors.newCachedThreadPool())
                     .setWorkerFactory(matrixWorkerFactory)
                     .build()
-            WorkManager.initialize(context, configuration)
+            WorkManager.initialize(appContext, configuration)
         }
         ProcessLifecycleOwner.get().lifecycle.addObserver(backgroundDetectionObserver)
     }
 
+    /**
+     * Return the User Agent used for any request that the SDK is making to the homeserver.
+     * There is no way to change the user agent at the moment.
+     */
     fun getUserAgent() = userAgentHolder.userAgent
 
+    /**
+     * Return the AuthenticationService.
+     */
     fun authenticationService() = authenticationService
 
+    /**
+     * Return the RawService.
+     */
     fun rawService() = rawService
 
+    /**
+     * Return the LightweightSettingsStorage.
+     */
     fun lightweightSettingsStorage() = lightweightSettingsStorage
 
+    /**
+     * Return the HomeServerHistoryService.
+     */
     fun homeServerHistoryService() = homeServerHistoryService
 
+    /**
+     * Return the legacy session importer, useful if you want to migrate an app, which was using the legacy Matrix Android Sdk.
+     */
     fun legacySessionImporter() = legacySessionImporter
 
-    fun workerFactory(): WorkerFactory = matrixWorkerFactory
+    /**
+     * Get the worker factory. The returned value has to be provided to `WorkConfiguration.Builder()`.
+     */
+    fun getWorkerFactory(): WorkerFactory = matrixWorkerFactory
 
+    /**
+     * Register an API interceptor, to be able to be notified when the specified API got a response.
+     */
     fun registerApiInterceptorListener(path: ApiPath, listener: ApiInterceptorListener) {
         apiInterceptor.addListener(path, listener)
     }
 
+    /**
+     * Un-register an API interceptor.
+     */
     fun unregisterApiInterceptorListener(path: ApiPath, listener: ApiInterceptorListener) {
         apiInterceptor.removeListener(path, listener)
     }
 
     companion object {
-
-        private lateinit var instance: Matrix
-        private val isInit = AtomicBoolean(false)
-
-        /**
-         * Creates a new instance of Matrix, it's recommended to manage this instance as a singleton.
-         * To make use of the built in singleton use Matrix.initialize() and/or Matrix.getInstance(context) instead
-         **/
-        fun createInstance(context: Context, matrixConfiguration: MatrixConfiguration): Matrix {
-            return Matrix(context.applicationContext, matrixConfiguration)
-        }
-
-        /**
-         * Initializes a singleton instance of Matrix for the given MatrixConfiguration
-         * This instance will be returned by Matrix.getInstance(context)
-         */
-        @Deprecated("Use Matrix.createInstance and manage the instance manually")
-        fun initialize(context: Context, matrixConfiguration: MatrixConfiguration) {
-            if (isInit.compareAndSet(false, true)) {
-                instance = Matrix(context.applicationContext, matrixConfiguration)
-            }
-        }
-
-        /**
-         * Either provides an already initialized singleton Matrix instance or queries the application context for a MatrixConfiguration.Provider
-         * to lazily create and store the instance.
-         */
-        @Suppress("deprecation") // suppressing warning as this method is unused but is still provided for SDK clients
-        @Deprecated("Use Matrix.createInstance and manage the instance manually")
-        fun getInstance(context: Context): Matrix {
-            if (isInit.compareAndSet(false, true)) {
-                val appContext = context.applicationContext
-                if (appContext is MatrixConfiguration.Provider) {
-                    val matrixConfiguration = (appContext as MatrixConfiguration.Provider).providesMatrixConfiguration()
-                    instance = Matrix(appContext, matrixConfiguration)
-                } else {
-                    throw IllegalStateException(
-                            "Matrix is not initialized properly." +
-                                    " If you want to manage your own Matrix instance use Matrix.createInstance" +
-                                    " otherwise you should call Matrix.initialize or let your application implement MatrixConfiguration.Provider."
-                    )
-                }
-            }
-            return instance
-        }
-
         /**
-         * @return a String with details about the Matrix SDK version
+         * @return a String with details about the Matrix SDK version.
          */
         fun getSdkVersion(): String {
             return BuildConfig.SDK_VERSION + " (" + BuildConfig.GIT_SDK_REVISION + ")"

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/MatrixConfiguration.kt

@@ -65,13 +65,4 @@ data class MatrixConfiguration(
          * Thread messages default enable/disabled value
          */
         val threadMessagesEnabledDefault: Boolean = false,
-) {
-
-    /**
-     * Can be implemented by your Application class.
-     */
-    @Deprecated("Use Matrix.createInstance and manage the instance manually instead of Matrix.getInstance")
-    interface Provider {
-        fun providesMatrixConfiguration(): MatrixConfiguration
-    }
-}
+)

vector/build.gradle

@@ -7,11 +7,24 @@ apply plugin: 'kotlin-parcelize'
 apply plugin: 'kotlin-kapt'
 apply plugin: 'com.likethesalad.stem'
 apply plugin: 'dagger.hilt.android.plugin'
+apply plugin: 'kotlinx-knit'
 
 kapt {
     correctErrorTypes = true
 }
 
+knit {
+    files = fileTree(project.rootDir) {
+        include '**/*.md'
+        include '**/*.kt'
+        include '**/*.kts'
+        exclude '**/build/**'
+        exclude '**/.gradle/**'
+        exclude '**/towncrier/template.md'
+        exclude '**/CHANGES.md'
+    }
+}
+
 // Note: 2 digits max for each value
 ext.versionMajor = 1
 ext.versionMinor = 4

vector/lint.xml

@@ -1,5 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <lint>
+
+    <!-- Ensure this file does not contain unknown Ids -->
+    <issue id="UnknownIssueId" severity="error" />
+
     <!-- Modify some severity -->
 
     <!-- Resource -->

vector/src/androidTest/java/im/vector/app/core/utils/TestMatrixHelper.kt

@@ -26,5 +26,5 @@ fun getMatrixInstance(): Matrix {
     val configuration = MatrixConfiguration(
             roomDisplayNameFallbackProvider = VectorRoomDisplayNameFallbackProvider(context)
     )
-    return Matrix.createInstance(context, configuration)
+    return Matrix(context, configuration)
 }

vector/src/main/java/im/vector/app/VectorApplication.kt

@@ -224,7 +224,7 @@ class VectorApplication :
 
     override fun getWorkManagerConfiguration(): WorkConfiguration {
         return WorkConfiguration.Builder()
-                .setWorkerFactory(matrix.workerFactory())
+                .setWorkerFactory(matrix.getWorkerFactory())
                 .setExecutor(Executors.newCachedThreadPool())
                 .build()
     }

vector/src/main/java/im/vector/app/core/di/SingletonModule.kt

@@ -129,7 +129,7 @@ object VectorStaticModule {
     @Provides
     @Singleton
     fun providesMatrix(context: Context, configuration: MatrixConfiguration): Matrix {
-        return Matrix.createInstance(context, configuration)
+        return Matrix(context, configuration)
     }
 
     @Provides