diff --git a/02_threads/android/app/src/main/java/ru/netology/nmedia/repository/PostRepository.kt b/02_threads/android/app/src/main/java/ru/netology/nmedia/repository/PostRepository.kt
index 4b0b8d9fb2..5d897fd5e0 100644
--- a/02_threads/android/app/src/main/java/ru/netology/nmedia/repository/PostRepository.kt
+++ b/02_threads/android/app/src/main/java/ru/netology/nmedia/repository/PostRepository.kt
@@ -5,7 +5,7 @@ import ru.netology.nmedia.dto.Post
 
 interface PostRepository {
     fun getAll(): List<Post>
-    fun likeById(id: Long)
+    fun likeById(id: Long, isLike: Boolean)
     fun save(post: Post)
     fun removeById(id: Long)
 }
diff --git a/02_threads/android/app/src/main/java/ru/netology/nmedia/repository/PostRepositoryImpl.kt b/02_threads/android/app/src/main/java/ru/netology/nmedia/repository/PostRepositoryImpl.kt
index 353fad8d23..3d3263c62f 100644
--- a/02_threads/android/app/src/main/java/ru/netology/nmedia/repository/PostRepositoryImpl.kt
+++ b/02_threads/android/app/src/main/java/ru/netology/nmedia/repository/PostRepositoryImpl.kt
@@ -2,6 +2,7 @@ package ru.netology.nmedia.repository
 
 import com.google.gson.Gson
 import com.google.gson.reflect.TypeToken
+import okhttp3.FormBody
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.OkHttpClient
 import okhttp3.Request
@@ -35,8 +36,23 @@ class PostRepositoryImpl: PostRepository {
             }
     }
 
-    override fun likeById(id: Long) {
-        // TODO: do this in homework
+    override fun likeById(id: Long, isLike: Boolean) {
+        var request: Request
+        if (isLike) {
+            request = Request.Builder()
+                .delete(FormBody.Builder().build())
+                .url("${BASE_URL}/api/slow/posts/${id}/likes")
+                .build()
+        } else {
+            request = Request.Builder()
+                .post(FormBody.Builder().build())
+                .url("${BASE_URL}/api/slow/posts/${id}/likes")
+                .build()
+        }
+
+        client.newCall(request)
+            .execute()
+            .close()
     }
 
     override fun save(post: Post) {
diff --git a/02_threads/android/app/src/main/java/ru/netology/nmedia/viewmodel/PostViewModel.kt b/02_threads/android/app/src/main/java/ru/netology/nmedia/viewmodel/PostViewModel.kt
index d93b22c1ba..ba12133f4c 100644
--- a/02_threads/android/app/src/main/java/ru/netology/nmedia/viewmodel/PostViewModel.kt
+++ b/02_threads/android/app/src/main/java/ru/netology/nmedia/viewmodel/PostViewModel.kt
@@ -71,7 +71,29 @@ class PostViewModel(application: Application) : AndroidViewModel(application) {
     }
 
     fun likeById(id: Long) {
-        thread { repository.likeById(id) }
+
+        val currentState = _data.value
+        val currentPosts = currentState?.posts.orEmpty().toMutableList()
+
+        val index = currentPosts.indexOfFirst { it.id == id }
+
+        val oldPost = currentPosts[index]
+        val newPost = oldPost.copy(
+            likedByMe = !oldPost.likedByMe,
+            likes = if (oldPost.likedByMe) oldPost.likes - 1 else oldPost.likes + 1
+        )
+
+        currentPosts[index] = newPost
+        _data.postValue(currentState?.copy(posts = currentPosts))
+
+        // Отправляем запрос на сервер (оптимистично считаем, что он пройдет успешно)
+        try {
+            thread { repository.likeById(id, oldPost.likedByMe) }
+            // Если запрос успешен, интерфейс уже обновлен, ничего делать не нужно.
+        } catch (e: IOException) {
+            currentPosts[index] = oldPost // Возвращаем старый пост
+            _data.postValue(currentState?.copy(posts = currentPosts))
+        }
     }
 
     fun removeById(id: Long) {
diff --git a/02_threads/android/gradle/gradle-daemon-jvm.properties b/02_threads/android/gradle/gradle-daemon-jvm.properties
new file mode 100644
index 0000000000..6c1139ec06
--- /dev/null
+++ b/02_threads/android/gradle/gradle-daemon-jvm.properties
@@ -0,0 +1,12 @@
+#This file is generated by updateDaemonJvm
+toolchainUrl.FREE_BSD.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
+toolchainUrl.FREE_BSD.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
+toolchainUrl.LINUX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
+toolchainUrl.LINUX.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
+toolchainUrl.MAC_OS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/73bcfb608d1fde9fb62e462f834a3299/redirect
+toolchainUrl.MAC_OS.X86_64=https\://api.foojay.io/disco/v3.0/ids/846ee0d876d26a26f37aa1ce8de73224/redirect
+toolchainUrl.UNIX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
+toolchainUrl.UNIX.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
+toolchainUrl.WINDOWS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/9482ddec596298c84656d31d16652665/redirect
+toolchainUrl.WINDOWS.X86_64=https\://api.foojay.io/disco/v3.0/ids/39701d92e1756bb2f141eb67cd4c660e/redirect
+toolchainVersion=21
diff --git a/02_threads/server/gradle/gradle-daemon-jvm.properties b/02_threads/server/gradle/gradle-daemon-jvm.properties
new file mode 100644
index 0000000000..6c1139ec06
--- /dev/null
+++ b/02_threads/server/gradle/gradle-daemon-jvm.properties
@@ -0,0 +1,12 @@
+#This file is generated by updateDaemonJvm
+toolchainUrl.FREE_BSD.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
+toolchainUrl.FREE_BSD.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
+toolchainUrl.LINUX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
+toolchainUrl.LINUX.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
+toolchainUrl.MAC_OS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/73bcfb608d1fde9fb62e462f834a3299/redirect
+toolchainUrl.MAC_OS.X86_64=https\://api.foojay.io/disco/v3.0/ids/846ee0d876d26a26f37aa1ce8de73224/redirect
+toolchainUrl.UNIX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
+toolchainUrl.UNIX.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
+toolchainUrl.WINDOWS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/9482ddec596298c84656d31d16652665/redirect
+toolchainUrl.WINDOWS.X86_64=https\://api.foojay.io/disco/v3.0/ids/39701d92e1756bb2f141eb67cd4c660e/redirect
+toolchainVersion=21