Fixed new playlist crash with same name

app/src/main/java/code/name/monkey/retromusic/dialogs/CreatePlaylistDialog.kt

@@ -65,9 +65,8 @@ class CreatePlaylistDialog : DialogFragment() {
                 val playlistName = playlistView.text.toString()
                 if (!TextUtils.isEmpty(playlistName)) {
                     libraryViewModel.addToPlaylist(playlistName, songs)
-
                 } else {
-                    playlistContainer.error = "Playlist is can't be empty"
+                    playlistContainer.error = "Playlist name can't be empty"
                 }
             }
             .create()

app/src/main/java/code/name/monkey/retromusic/fragments/LibraryViewModel.kt

@@ -28,6 +28,7 @@ import code.name.monkey.retromusic.repository.RealRepository
 import code.name.monkey.retromusic.util.DensityUtil
 import code.name.monkey.retromusic.util.PreferenceUtil
 import kotlinx.coroutines.Dispatchers.IO
+import kotlinx.coroutines.Dispatchers.Main
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.io.File
@@ -357,6 +358,13 @@ class LibraryViewModel(
                         it.toSongEntity(playListId = playlist.playListId)
                     })
                 }
+                withContext(Main) {
+                    Toast.makeText(
+                        App.getContext(),
+                        "Playlist already exists",
+                        Toast.LENGTH_SHORT
+                    ).show()
+                    if (songs.isNotEmpty()) {
                        Toast.makeText(
                             App.getContext(),
                             "Adding songs to $playlistName",
@@ -364,6 +372,9 @@ class LibraryViewModel(
                         ).show()
                     }
                 }
+
+            }
+        }
     }
 
     fun setFabMargin(bottomMargin: Int) {