要实现Android Room中无需检查完整性的自动查询代码,可以按照以下步骤进行操作:
implementation "androidx.room:room-runtime:2.4.0"
annotationProcessor "androidx.room:room-compiler:2.4.0"
@Entity(tableName = "users")
public class User {
@PrimaryKey
public int id;
public String name;
public int age;
}
@Dao
public interface UserDao {
@Query("SELECT * FROM users")
List getAllUsers();
@Insert
void insertUser(User user);
@Delete
void deleteUser(User user);
}
@Database(entities = {User.class}, version = 1)
public abstract class AppDatabase extends RoomDatabase {
public abstract UserDao userDao();
}
AppDatabase db = Room.databaseBuilder(getApplicationContext(),
AppDatabase.class, "my-database").build();
List users = db.userDao().getAllUsers();
以上就是实现Android Room中无需检查完整性的自动查询代码的步骤和示例代码。通过使用Room库,可以更方便地进行数据库操作,并且无需手动编写SQL语句。