Add a module for the Matrix SDK with the aar of the Rust SDK

libraries/sdk/matrix/src/main/AndroidManifest.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest />

libraries/sdk/matrix/src/main/java/io/element/android/x/sdk/matrix/Matrix.kt

@@ -0,0 +1,40 @@
+package io.element.android.x.sdk.matrix
+
+import android.content.Context
+import android.util.Log
+import java.io.File
+
+private const val LOG_TAG = "Matrix"
+
+class Matrix(
+    private val context: Context,
+) {
+    fun login(username: String, password: String) {
+        val authFolder = File(context.filesDir, "auth")
+        val authService = AuthenticationService(authFolder.absolutePath)
+        authService.configureHomeserver("matrix.org")
+        val client = authService.login(username, password, "MatrixRustSDKSample", null)
+        val clientDelegate = object : ClientDelegate {
+            override fun didReceiveAuthError(isSoftLogout: Boolean) {
+                Log.v(LOG_TAG, "didReceiveAuthError()")
+            }
+
+            override fun didReceiveSyncUpdate() {
+                Log.v(LOG_TAG, "didReceiveSyncUpdate()")
+            }
+
+            override fun didUpdateRestoreToken() {
+                Log.v(LOG_TAG, "didUpdateRestoreToken()")
+            }
+        }
+
+        client.setDelegate(clientDelegate)
+        Log.v(LOG_TAG, "DisplayName = ${client.displayName()}")
+        try {
+            client.fullSlidingSync()
+        } catch (failure: Throwable) {
+            Log.e(LOG_TAG, "fullSlidingSync() fail", failure)
+        }
+        client.logout()
+    }
+}