okhttp网络获取数据 接口回调 返回到UI中

import android.os.Handler;
import android.util.Log;

import com.google.gson.Gson;

import java.io.IOException;
import java.lang.reflect.Type;
import java.util.concurrent.TimeUnit;

import javax.xml.transform.OutputKeys;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class OkttpUrl {
private static volatile OkttpUrl sOkttpUrl;
private OkHttpClient okHttpClient;
JsonBeanLunBo jsonBeanLunBo;
private Handler mHandler=new Handler();
public OkttpUrl() {
okHttpClient = new OkHttpClient();
}
public static OkttpUrl getOkttpUrl(){
if (sOkttpUrlnull){
synchronized (OkttpUrl.class){
if (nullsOkttpUrl){
sOkttpUrl = new OkttpUrl();
}
}
}
return sOkttpUrl;
}
public void getData(String url, final SViewTow sViewTow, Type type){
OkHttpClient okHttpClient=new OkHttpClient.Builder()
.connectTimeout(5, TimeUnit.SECONDS)
.readTimeout(5,TimeUnit.SECONDS)
.writeTimeout(5, TimeUnit.SECONDS)
.build();
Request builder = new Request.Builder().get().url(url).build();

    Call call = okHttpClient.newCall(builder);
    call.enqueue(new Callback() {

        @Override
        public void onFailure(Call call, final IOException e) {
            Log.e("lyq","请求失败");
            mHandler.post(new Runnable() {
                @Override
                public void run() {
                    sViewTow.sbt(e);
                }
            });
        }

        @Override
        public void onResponse(Call call, Response response) throws IOException {

            String stringx = response.body().string();

            jsonBeanLunBo = new Gson().fromJson(stringx, JsonBeanLunBo.class);
            Log.e("lyq",jsonBeanLunBo.getData().get(0).getThumbnail_pic_s()+"");
            mHandler.post(new Runnable() {
                @Override
                public void run() {
                    sViewTow.cgt(jsonBeanLunBo.getData());
                }
            });

        }
    });

}

}

import java.lang.reflect.Type;

public class Model {
public void modeldata(String url, SViewTow sViewTow, Type type){
OkttpUrl.getOkttpUrl().getData(url,sViewTow,type);

}

}

import com.google.gson.reflect.TypeToken;

import java.lang.reflect.Type;
import java.util.List;

public class Prasenter {
private SView mSView;
private Model mModel;
public void attach(SView sView){
this.mSView=sView;
mModel=new Model();
}
public void jiebang(){
if (mSView!=null){
mSView=null;
}

}
public void parsentdata(String url){
    Type type = new TypeToken() {}.getType();
    mModel.modeldata(url, new SViewTow() {
        @Override
        public void cgt(Object o) {
            List list=(List)o;
            mSView.cg(list);
        }

        @Override
        public void sbt(Exception e) {
            mSView.sb(e);
        }
    },type);
}

}

package liyuanqi.bwie.com.okhttplx02;

import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.Toast;

import com.nostra13.universalimageloader.core.ImageLoader;

import java.util.List;

public class MainActivity extends AppCompatActivity implements SView> {
String wz=“http://www.xieast.com/api/news/news.php?type=top&page=1&tdsourcetag=s_pcqq_aiomsg”;
private ViewPager pagers;
private Prasenter prasenter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();

}

private void initView() {
    pagers = (ViewPager) findViewById(R.id.pagers);
    prasenter = new Prasenter();
    prasenter.attach(this);
    prasenter.parsentdata(wz);
}


@Override
public void cg(final List list) {
    pagers.setAdapter(new PagerAdapter() {
        @Override
        public int getCount() {
            return list.size();
        }

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return view==object;
        }

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            ImageView imageView=new ImageView(MainActivity.this);
            ImageLoader.getInstance().displayImage(list.get(position).getThumbnail_pic_s(),imageView);
            imageView.setScaleType(ImageView.ScaleType.FIT_XY);
            container.addView(imageView);
            return imageView;
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            container.removeView((View) object);
        }
    });
}

@Override
public void sb(Exception e) {
    Toast.makeText(MainActivity.this,"没有数据",Toast.LENGTH_SHORT).show();
}

}

public interface SView {
void cg(T t);
void sb(Exception e);
}

public interface SViewTow {
void cgt(T t);
void sbt(Exception e);
}