constant api app

package com.example.zjj1603b20180910.constant;

public class constant {
    //定义接口地址
    public  static final  String URL="https://app.tuozhe8.com/api.php/api/Lists/content_lists&version=1.7&token=&type=1&cat=&catid2=&page=1";
    public static  final String  BASE_URL="https://app.tuozhe8.com/api.php/api/Lists/";
}

//////////////////////////////////////////////////////////////////////api
package com.example.zjj1603b20180910.api;

import com.example.zjj1603b20180910.bean.news;

import io.reactivex.Observable;
import retrofit2.http.GET;

public interface api {
    @GET("content_lists&version=1.7&token=&type=1&cat=&catid2=&page=1")
    Observable<news> getresponse();
}
//////////////////////////////////////////////////////////////////app类
package com.example.zjj1603b20180910.app;

import android.app.Application;
import android.database.sqlite.SQLiteDatabase;


import com.example.zjj1603b20180910.bean.DaoMaster;
import com.example.zjj1603b20180910.bean.DaoSession;
import com.facebook.drawee.backends.pipeline.Fresco;

public class app  extends Application {
    private static  app app;
    private DaoSession daoSession;

    @Override
    public void onCreate() {
        super.onCreate();
        //上下文
        app=app.this;
        //初始化
        Fresco.initialize(this);
        //获取具体事务
        DaoMaster.DevOpenHelper helper = new DaoMaster.DevOpenHelper(this, "bwie");
        //获取可读可写数据库
        SQLiteDatabase db = helper.getWritableDatabase();
        //配置默认信息
        DaoMaster daoMaster = new DaoMaster(db);
        //做曾删改查
        daoSession = daoMaster.newSession();
    }
    public static  app getinstance(){
        if (app==null){
            app=new app();
        }
        return  app;
    }
    //提供方法

    public DaoSession getDaoSession() {
        return daoSession;
    }
}