Playlist creation can fail

medialibrary/jni/medialibrary.cpp

@@ -496,9 +496,7 @@ getPlaylist(JNIEnv* env, jobject thiz, jlong id)
 {
     AndroidMediaLibrary *aml = MediaLibrary_getInstance(env, thiz);
     medialibrary::PlaylistPtr playlist = aml->playlist(id);
-    if (playlist != nullptr)
-        return convertPlaylistObject(env, &ml_fields, playlist);
-    return nullptr;
+    return playlist != nullptr ? convertPlaylistObject(env, &ml_fields, playlist) : nullptr;
 }
 
 jobject
@@ -508,7 +506,7 @@ playlistCreate(JNIEnv* env, jobject thiz, jstring name)
     const char *name_cstr = env->GetStringUTFChars(name, JNI_FALSE);
     medialibrary::PlaylistPtr playlist = aml->PlaylistCreate(name_cstr);
     env->ReleaseStringUTFChars(name, name_cstr);
-    return convertPlaylistObject(env, &ml_fields, playlist);
+    return playlist != nullptr ? convertPlaylistObject(env, &ml_fields, playlist) : nullptr;
 }
 
 /*

vlc-android/src/org/videolan/vlc/gui/dialogs/SavePlaylistDialog.java

@@ -148,6 +148,8 @@ public class SavePlaylistDialog extends DialogFragment implements View.OnClickLi
                 MediaWrapper[] tracks;
                 if (!exists)
                     playlist = mMedialibrary.createPlaylist(name);
+                if (playlist == null)
+                    return;
                 if (addTracks) {
                     tracks = mNewTrack;
                 } else {//Save a playlist