播放器首次提交（测试版本）

app/src/main/java/com/example/myapplication/data/ServerDao.java

@@ -0,0 +1,25 @@
+package com.example.myapplication.data;
+
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.OnConflictStrategy;
+import androidx.room.Query;
+
+import java.util.List;
+
+@Dao
+public interface ServerDao {
+    @Query("SELECT * FROM servers ORDER BY rowid")
+    List<ServerEntity> getServers();
+
+    @Query("SELECT COUNT(*) FROM servers")
+    int getServerCount();
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    void insertServer(ServerEntity server);
+
+    @Query("DELETE FROM servers WHERE (id = 'server_1' AND host = 'xying.local') OR (id = 'server_2' AND host = 'film.example.com')")
+    void deleteLegacySampleServers();
+    @Query("DELETE FROM servers WHERE id = :serverId")
+    void deleteServer(String serverId);
+}