class1:

public class DatabaseDBFlow extends Application {

    @Override
    public void onCreate() {
        super.onCreate();
        FlowManager.init(this);
    }

清单-> android:name =.DatabaseDBFlow"

class2:

@Database(name = AppDatabase.NAME, version = AppDatabase.VERSION)
public class AppDatabase {
    public static final String NAME = "AppDatabase";

    public static final int VERSION = 1;
}

和类数据库:

@Table(database = AppDatabase.class)
public class InformationDB_Theme extends BaseModel {

    @PrimaryKey(autoincrement = true)
    public int ID;
    @Column
    public String NAME;
}