diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/base/ApiResponse.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/base/ApiResponse.kt
index 56a13c01..f4a2f113 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/base/ApiResponse.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/base/ApiResponse.kt
@@ -1,8 +1,10 @@
 package com.cappielloantonio.tempo.subsonic.base
 
+import androidx.annotation.Keep
 import com.cappielloantonio.tempo.subsonic.models.SubsonicResponse
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class ApiResponse {
     @SerializedName("subsonic-response")
     var subsonicResponse: SubsonicResponse? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumID3.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumID3.kt
index 18a9e146..10171227 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumID3.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumID3.kt
@@ -1,20 +1,20 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 import java.util.*
 
+@Keep
 @Parcelize
 open class AlbumID3 : Parcelable {
     var id: String? = null
     var name: String? = null
     var artist: String? = null
     var artistId: String? = null
-
     @SerializedName("coverArt")
     var coverArtId: String? = null
-
     var songCount: Int? = 0
     var duration: Int? = 0
     var playCount: Long? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumInfo.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumInfo.kt
index 9bda4b8b..79c32cd6 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumInfo.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumInfo.kt
@@ -1,6 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 
+@Keep
 class AlbumInfo {
     var notes: String? = null
     var musicBrainzId: String? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumList.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumList.kt
index 221c82f0..f167f0e1 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumList.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumList.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class AlbumList {
     var albums: List<Child>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumList2.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumList2.kt
index 83417e12..a4d68edf 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumList2.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumList2.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class AlbumList2 {
     @SerializedName("album")
     var albums: List<AlbumID3>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumWithSongsID3.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumWithSongsID3.kt
index b58041eb..79c56092 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumWithSongsID3.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AlbumWithSongsID3.kt
@@ -1,9 +1,11 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 
+@Keep
 @Parcelize
 class AlbumWithSongsID3 : AlbumID3(), Parcelable {
     @SerializedName("song")
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Artist.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Artist.kt
index 84fc144f..a13d169d 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Artist.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Artist.kt
@@ -1,9 +1,11 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import kotlinx.parcelize.Parcelize
 import java.util.Date
 
+@Keep
 @Parcelize
 class Artist : Parcelable {
     var id: String? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistID3.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistID3.kt
index d9812435..a17f4aa3 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistID3.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistID3.kt
@@ -1,15 +1,16 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 import java.util.*
 
+@Keep
 @Parcelize
 open class ArtistID3 : Parcelable {
     var id: String? = null
     var name: String? = null
-
     @SerializedName("coverArt")
     var coverArtId: String? = null
     var albumCount = 0
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfo.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfo.kt
index 75bec393..21f7a9fb 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfo.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfo.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class ArtistInfo : ArtistInfoBase() {
     var similarArtists: List<Artist>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfo2.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfo2.kt
index b5c58cb1..3aa2da51 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfo2.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfo2.kt
@@ -1,8 +1,10 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 import java.util.*
 
+@Keep
 class ArtistInfo2 : ArtistInfoBase() {
     @SerializedName("similarArtist")
     var similarArtists: List<SimilarArtistID3>? = emptyList()
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfoBase.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfoBase.kt
index 2fd62289..46b8f89f 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfoBase.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistInfoBase.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 open class ArtistInfoBase {
     var biography: String? = null
     var musicBrainzId: String? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistWithAlbumsID3.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistWithAlbumsID3.kt
index 58ac881b..c22c8207 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistWithAlbumsID3.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistWithAlbumsID3.kt
@@ -1,9 +1,11 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 
+@Keep
 @Parcelize
 class ArtistWithAlbumsID3 : ArtistID3(), Parcelable {
     @SerializedName("album")
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistsID3.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistsID3.kt
index 20cba2f3..341ab288 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistsID3.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ArtistsID3.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class ArtistsID3 {
     @SerializedName("index")
     var indices: List<IndexID3>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AudioTrack.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AudioTrack.kt
index a79ee812..536e3d48 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AudioTrack.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/AudioTrack.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class AudioTrack {
     var id: String? = null
     var name: String? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Bookmark.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Bookmark.kt
index b3b56f64..cd9ef417 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Bookmark.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Bookmark.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import java.util.*
 
+@Keep
 class Bookmark {
     var entry: Child? = null
     var position: Long = 0
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Bookmarks.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Bookmarks.kt
index 1f08c856..41c6874c 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Bookmarks.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Bookmarks.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class Bookmarks {
     var bookmarks: List<Bookmark>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Captions.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Captions.kt
index 2a07ee7f..ef0ecbaf 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Captions.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Captions.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class Captions {
     var id: String? = null
     var name: String? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ChatMessage.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ChatMessage.kt
index 520e5851..873dde3a 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ChatMessage.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ChatMessage.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class ChatMessage {
     var username: String? = null
     var time: Long = 0
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ChatMessages.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ChatMessages.kt
index 57253a2b..42002b1f 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ChatMessages.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ChatMessages.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class ChatMessages {
     var chatMessages: List<ChatMessage>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Child.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Child.kt
index 5693511d..6299dfe2 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Child.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Child.kt
@@ -1,110 +1,82 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import androidx.room.ColumnInfo
 import androidx.room.PrimaryKey
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 import java.util.*
 
+@Keep
 @Parcelize
 open class Child(
     @PrimaryKey
     @ColumnInfo(name = "id")
     open val id: String,
-
     @ColumnInfo(name = "parent_id")
     @SerializedName("parent")
     var parentId: String? = null,
-
     @ColumnInfo(name = "is_dir")
     var isDir: Boolean = false,
-
     @ColumnInfo
     var title: String? = null,
-
     @ColumnInfo
     var album: String? = null,
-
     @ColumnInfo
     var artist: String? = null,
-
     @ColumnInfo
     var track: Int? = null,
-
     @ColumnInfo
     var year: Int? = null,
-
     @ColumnInfo
     @SerializedName("genre")
     var genre: String? = null,
-
     @ColumnInfo(name = "cover_art_id")
     @SerializedName("coverArt")
     var coverArtId: String? = null,
-
     @ColumnInfo
     var size: Long? = null,
-
     @ColumnInfo(name = "content_type")
     var contentType: String? = null,
-
     @ColumnInfo
     var suffix: String? = null,
-
     @ColumnInfo("transcoding_content_type")
     var transcodedContentType: String? = null,
-
     @ColumnInfo(name = "transcoded_suffix")
     var transcodedSuffix: String? = null,
-
     @ColumnInfo
     var duration: Int? = null,
-
     @ColumnInfo("bitrate")
     @SerializedName("bitRate")
     var bitrate: Int? = null,
-
     @ColumnInfo
     var path: String? = null,
-
     @ColumnInfo(name = "is_video")
     @SerializedName("isVideo")
     var isVideo: Boolean = false,
-
     @ColumnInfo(name = "user_rating")
     var userRating: Int? = null,
-
     @ColumnInfo(name = "average_rating")
     var averageRating: Double? = null,
-
     @ColumnInfo(name = "play_count")
     var playCount: Long? = null,
-
     @ColumnInfo(name = "disc_number")
     var discNumber: Int? = null,
-
     @ColumnInfo
     var created: Date? = null,
-
     @ColumnInfo
     var starred: Date? = null,
-
     @ColumnInfo(name = "album_id")
     var albumId: String? = null,
-
     @ColumnInfo(name = "artist_id")
     var artistId: String? = null,
-
     @ColumnInfo
     var type: String? = null,
-
     @ColumnInfo(name = "bookmark_position")
     var bookmarkPosition: Long? = null,
-
     @ColumnInfo(name = "original_width")
     var originalWidth: Int? = null,
-
     @ColumnInfo(name = "original_height")
     var originalHeight: Int? = null
 ) : Parcelable
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Directory.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Directory.kt
index 16b394f2..45395ede 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Directory.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Directory.kt
@@ -1,10 +1,12 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 import java.util.Date
 
+@Keep
 @Parcelize
 class Directory : Parcelable {
     @SerializedName("child")
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Error.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Error.kt
index 35b6ac3a..9ee39ec4 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Error.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Error.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class Error {
     var code: ErrorCode? = null
-
     var message: String? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ErrorCode.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ErrorCode.kt
index e97d6da5..7dbacf37 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ErrorCode.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ErrorCode.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
-class ErrorCode(val value: Int) {
+import androidx.annotation.Keep
 
+@Keep
+class ErrorCode(val value: Int) {
     companion object {
         var GENERIC_ERROR = 0
         var REQUIRED_PARAMETER_MISSING = 10
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Genre.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Genre.kt
index a7f6519b..cb1b7719 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Genre.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Genre.kt
@@ -1,9 +1,11 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 
+@Keep
 @Parcelize
 class Genre : Parcelable {
     @SerializedName("value")
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Genres.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Genres.kt
index fac14310..5a0ff7f6 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Genres.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Genres.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class Genres {
     @SerializedName("genre")
     var genres: List<Genre>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Index.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Index.kt
index e15536ec..1a25b2d5 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Index.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Index.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class Index {
     @SerializedName("artist")
     var artists: List<Artist>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/IndexID3.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/IndexID3.kt
index b5266ea5..9879191a 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/IndexID3.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/IndexID3.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class IndexID3 {
     @SerializedName("artist")
     var artists: List<ArtistID3>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Indexes.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Indexes.kt
index 50ae0a6b..fa3d8ef4 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Indexes.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Indexes.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class Indexes {
     var shortcuts: List<Artist>? = null
     @SerializedName("index")
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/InternetRadioStation.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/InternetRadioStation.kt
index ca26d3d6..0d312ce0 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/InternetRadioStation.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/InternetRadioStation.kt
@@ -1,8 +1,10 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import kotlinx.parcelize.Parcelize
 
+@Keep
 @Parcelize
 class InternetRadioStation : Parcelable {
     var id: String? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/InternetRadioStations.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/InternetRadioStations.kt
index f70348f2..16577f6e 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/InternetRadioStations.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/InternetRadioStations.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class InternetRadioStations {
     @SerializedName("internetRadioStation")
     var internetRadioStations: List<InternetRadioStation>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/JukeboxPlaylist.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/JukeboxPlaylist.kt
index d8425ddc..76efa3dc 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/JukeboxPlaylist.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/JukeboxPlaylist.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class JukeboxPlaylist : JukeboxStatus() {
     var entries: List<Child>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/JukeboxStatus.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/JukeboxStatus.kt
index c8027ad5..9efb4dce 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/JukeboxStatus.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/JukeboxStatus.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 open class JukeboxStatus {
     var currentIndex = 0
     var isPlaying = false
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/License.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/License.kt
index d04bc969..4868ceb6 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/License.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/License.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import java.util.*
 
+@Keep
 class License {
     var isValid = false
     var email: String? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Lyrics.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Lyrics.kt
index 9bee4ab0..c01d4b91 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Lyrics.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Lyrics.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class Lyrics {
     var value: String? = null
     var artist: String? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MediaType.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MediaType.kt
index f8a2da20..0d950fbe 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MediaType.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MediaType.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class MediaType {
     var value: String? = null
 
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MusicFolder.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MusicFolder.kt
index 905852cd..7c277df4 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MusicFolder.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MusicFolder.kt
@@ -1,8 +1,10 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import kotlinx.parcelize.Parcelize
 
+@Keep
 @Parcelize
 class MusicFolder : Parcelable {
     var id: String? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MusicFolders.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MusicFolders.kt
index 15758936..3d2d123f 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MusicFolders.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/MusicFolders.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class MusicFolders {
     @SerializedName("musicFolder")
     var musicFolders: List<MusicFolder>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NewestPodcasts.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NewestPodcasts.kt
index 24469ee0..98502207 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NewestPodcasts.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NewestPodcasts.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class NewestPodcasts {
     @SerializedName("episode")
     var episodes: List<PodcastEpisode>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NowPlaying.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NowPlaying.kt
index 380ae25b..532566c1 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NowPlaying.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NowPlaying.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class NowPlaying {
     var entries: List<NowPlayingEntry>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NowPlayingEntry.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NowPlayingEntry.kt
index 493bc9e3..e5391872 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NowPlayingEntry.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/NowPlayingEntry.kt
@@ -1,8 +1,10 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 
+@Keep
 @Parcelize
 class NowPlayingEntry(
     @SerializedName("_id")
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PlayQueue.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PlayQueue.kt
index 1885b44a..1143fa8e 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PlayQueue.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PlayQueue.kt
@@ -1,8 +1,10 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 import java.util.*
 
+@Keep
 class PlayQueue {
     @SerializedName("entry")
     var entries: List<Child>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Playlist.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Playlist.kt
index a64b14b9..2d85271e 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Playlist.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Playlist.kt
@@ -1,6 +1,7 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.Ignore
@@ -9,6 +10,7 @@ import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 import java.util.*
 
+@Keep
 @Parcelize
 @Entity(tableName = "playlist")
 open class Playlist(
@@ -18,32 +20,23 @@ open class Playlist(
 ) : Parcelable {
     @ColumnInfo(name = "name")
     var name: String? = null
-
     @Ignore
     var comment: String? = null
-
     @Ignore
     var owner: String? = null
-
     @Ignore
     @SerializedName("public")
     var isUniversal: Boolean? = null
-
     @Ignore
     var songCount: Int = 0
-
     @ColumnInfo(name = "duration")
     var duration: Long = 0
-
     @Ignore
     var created: Date? = null
-
     @Ignore
     var changed: Date? = null
-
     @ColumnInfo(name = "coverArt")
     var coverArtId: String? = null
-
     @Ignore
     var allowedUsers: List<String>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PlaylistWithSongs.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PlaylistWithSongs.kt
index f0bb3de3..92e194c8 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PlaylistWithSongs.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PlaylistWithSongs.kt
@@ -1,9 +1,11 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 
+@Keep
 @Parcelize
 class PlaylistWithSongs(
     @SerializedName("_id")
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Playlists.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Playlists.kt
index 887efe6a..8aa271a4 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Playlists.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Playlists.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class Playlists(
     @SerializedName("playlist")
     var playlists: List<Playlist>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastChannel.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastChannel.kt
index 025e2791..ff280afe 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastChannel.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastChannel.kt
@@ -1,9 +1,11 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 
+@Keep
 @Parcelize
 class PodcastChannel : Parcelable {
     @SerializedName("episode")
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastEpisode.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastEpisode.kt
index 2f36d6a2..bd922666 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastEpisode.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastEpisode.kt
@@ -1,18 +1,18 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import androidx.room.ColumnInfo
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 import java.util.*
 
+@Keep
 @Parcelize
 class PodcastEpisode : Parcelable {
     var id: String? = null
-
     @SerializedName("parent")
     var parentId: String? = null
-
     @SerializedName("isDir")
     var isDir = false
     var title: String? = null
@@ -21,7 +21,6 @@ class PodcastEpisode : Parcelable {
     var track: Int? = null
     var year: Int? = null
     var genre: String? = null
-
     @SerializedName("coverArt")
     var coverArtId: String? = null
     var size: Long? = null
@@ -34,7 +33,6 @@ class PodcastEpisode : Parcelable {
     @SerializedName("bitRate")
     var bitrate: Int? = null
     var path: String? = null
-
     @ColumnInfo(name = "is_video")
     @SerializedName("isVideo")
     var isVideo: Boolean = false
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastStatus.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastStatus.kt
index 6370e8c2..f0f7c662 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastStatus.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/PodcastStatus.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class PodcastStatus {
     var value: String? = null
 
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Podcasts.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Podcasts.kt
index c51011e3..d09f9fd0 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Podcasts.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Podcasts.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class Podcasts {
     @SerializedName("channel")
     var channels: List<PodcastChannel>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ResponseStatus.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ResponseStatus.kt
index 023dfe1d..9e6b36cc 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ResponseStatus.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ResponseStatus.kt
@@ -1,11 +1,12 @@
 package com.cappielloantonio.tempo.subsonic.models
 
-class ResponseStatus(val value: String) {
+import androidx.annotation.Keep
 
+@Keep
+class ResponseStatus(val value: String) {
     companion object {
         @JvmField
         var OK = "ok"
-
         @JvmField
         var FAILED = "failed"
     }
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ScanStatus.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ScanStatus.kt
index 83b84095..c9735f03 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ScanStatus.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/ScanStatus.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class ScanStatus {
     var isScanning = false
     var count: Long? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult.kt
index 1f8d90c9..f7b772af 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class SearchResult {
     var matches: List<Child>? = null
     var offset = 0
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult2.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult2.kt
index 3e2ab567..66a9560b 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult2.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult2.kt
@@ -1,14 +1,14 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class SearchResult2 {
     @SerializedName("artist")
     var artists: List<Artist>? = null
-
     @SerializedName("album")
     var albums: List<Child>? = null
-
     @SerializedName("song")
     var songs: List<Child>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult3.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult3.kt
index d398b348..4a1ae325 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult3.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SearchResult3.kt
@@ -1,14 +1,14 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class SearchResult3 {
     @SerializedName("artist")
     var artists: List<ArtistID3>? = null
-
     @SerializedName("album")
     var albums: List<AlbumID3>? = null
-
     @SerializedName("song")
     var songs: List<Child>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Share.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Share.kt
index 72edaacc..1c5d7d0a 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Share.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Share.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import java.util.*
 
+@Keep
 class Share {
     var entries: List<Child>? = null
     var id: String? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Shares.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Shares.kt
index 76af0d41..78e79ec1 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Shares.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Shares.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class Shares {
     var shares: List<Share>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarArtistID3.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarArtistID3.kt
index ea4095a5..7275ea0f 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarArtistID3.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarArtistID3.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import kotlinx.parcelize.Parcelize
 
+@Keep
 @Parcelize
 class SimilarArtistID3 : ArtistID3(), Parcelable
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarSongs.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarSongs.kt
index 4aa52f49..d9bb2053 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarSongs.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarSongs.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class SimilarSongs {
     var songs: List<Child>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarSongs2.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarSongs2.kt
index 977f3a78..ccce2091 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarSongs2.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SimilarSongs2.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class SimilarSongs2 {
     @SerializedName("song")
     var songs: List<Child>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Songs.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Songs.kt
index 1aaf4e11..43744f51 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Songs.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Songs.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class Songs {
     @SerializedName("song")
     var songs: List<Child>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Starred.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Starred.kt
index f7532f14..29007862 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Starred.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Starred.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class Starred {
     var artists: List<Artist>? = null
     var albums: List<Child>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Starred2.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Starred2.kt
index c4df15c1..0a94b036 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Starred2.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Starred2.kt
@@ -1,14 +1,14 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class Starred2 {
     @SerializedName("artist")
     var artists: List<ArtistID3>? = null
-
     @SerializedName("album")
     var albums: List<AlbumID3>? = null
-
     @SerializedName("song")
     var songs: List<Child>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SubsonicResponse.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SubsonicResponse.kt
index 492c7237..6a43c2da 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SubsonicResponse.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/SubsonicResponse.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class SubsonicResponse {
     var error: Error? = null
     var scanStatus: ScanStatus? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/TopSongs.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/TopSongs.kt
index c2cc62c3..076c7e4c 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/TopSongs.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/TopSongs.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
 
+@Keep
 class TopSongs {
     @SerializedName("song")
     var songs: List<Child>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/User.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/User.kt
index 86cbd3b0..261c0e3d 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/User.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/User.kt
@@ -1,7 +1,9 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
 import java.util.*
 
+@Keep
 class User {
     var folders: List<Int>? = null
     var username: String? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Users.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Users.kt
index ac37cd74..c6de9fc5 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Users.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Users.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class Users {
     var users: List<User>? = null
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/VideoConversion.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/VideoConversion.kt
index 064e86f6..4e106fa3 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/VideoConversion.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/VideoConversion.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class VideoConversion {
     var id: String? = null
     var bitRate: Int? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/VideoInfo.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/VideoInfo.kt
index 72bff55e..5ec9e871 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/VideoInfo.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/VideoInfo.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class VideoInfo {
     var captions: List<Captions>? = null
     var audioTracks: List<AudioTrack>? = null
diff --git a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Videos.kt b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Videos.kt
index 52687cbd..e9b772cd 100644
--- a/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Videos.kt
+++ b/app/src/main/java/com/cappielloantonio/tempo/subsonic/models/Videos.kt
@@ -1,5 +1,8 @@
 package com.cappielloantonio.tempo.subsonic.models
 
+import androidx.annotation.Keep
+
+@Keep
 class Videos {
     var videos: List<Child>? = null
 }
\ No newline at end of file