Fix db migrate

app/src/main/java/com/fongmi/android/tv/db/AppDatabase.java

@@ -21,7 +21,7 @@ import com.fongmi.android.tv.db.dao.KeepDao;
 import com.fongmi.android.tv.db.dao.SiteDao;
 import com.fongmi.android.tv.db.dao.TrackDao;
 
-@Database(entities = {Keep.class, Site.class, Track.class, Config.class, History.class}, version = AppDatabase.VERSION, exportSchema = false)
+@Database(entities = {Keep.class, Site.class, Track.class, Config.class, History.class}, version = AppDatabase.VERSION)
 public abstract class AppDatabase extends RoomDatabase {
 
     public static final int VERSION = 17;
@@ -98,7 +98,8 @@ public abstract class AppDatabase extends RoomDatabase {
     static final Migration MIGRATION_16_17 = new Migration(16, 17) {
         @Override
         public void migrate(@NonNull SupportSQLiteDatabase database) {
-            database.execSQL("CREATE TABLE IF NOT EXISTS Track (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `type` INTEGER NOT NULL, `group` INTEGER NOT NULL, `track` INTEGER NOT NULL, `player` INTEGER NOT NULL, `key` TEXT, `name` TEXT, `selected` INTEGER NOT NULL)");
+            database.execSQL("CREATE TABLE IF NOT EXISTS `Track` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `type` INTEGER NOT NULL, `group` INTEGER NOT NULL, `track` INTEGER NOT NULL, `player` INTEGER NOT NULL, `key` TEXT, `name` TEXT, `selected` INTEGER NOT NULL)");
+            database.execSQL("CREATE UNIQUE INDEX IF NOT EXISTS `index_Track_key_player_type` ON `Track` (`key`, `player`, `type`)");
         }
     };
 }