Clean code

app/src/main/java/com/fongmi/android/tv/bean/Sub.java

@@ -79,8 +79,8 @@ public class Sub {
         this.name = Trans.s2t(name);
     }
 
-    public MediaItem.SubtitleConfiguration getConfig(int id) {
-        return new MediaItem.SubtitleConfiguration.Builder(Uri.parse(getUrl())).setId(String.valueOf(id)).setLabel(getName()).setMimeType(getFormat()).setSelectionFlags(getFlag()).setLanguage(getLang()).build();
+    public MediaItem.SubtitleConfiguration getConfig() {
+        return new MediaItem.SubtitleConfiguration.Builder(Uri.parse(getUrl())).setLabel(getName()).setMimeType(getFormat()).setSelectionFlags(getFlag()).setLanguage(getLang()).build();
     }
 
     @Override

app/src/main/java/com/fongmi/android/tv/player/exo/ExoUtil.java

@@ -39,8 +39,6 @@ import io.github.anilbeesetti.nextlib.media3ext.ffdecoder.NextRenderersFactory;
 
 public class ExoUtil {
 
-    private static int ID = 10000;
-
     public static String getUa() {
         return Util.getUserAgent(App.get(), BuildConfig.APPLICATION_ID);
     }
@@ -133,7 +131,7 @@ public class ExoUtil {
 
     private static List<MediaItem.SubtitleConfiguration> getSubtitleConfigs(List<Sub> subs) {
         List<MediaItem.SubtitleConfiguration> configs = new ArrayList<>();
-        for (Sub sub : subs) configs.add(sub.getConfig(++ID));
+        if (subs != null) for (Sub sub : subs) configs.add(sub.getConfig());
         return configs;
     }