org get请求

package animtest.com.example.e531.unit3_httpget_demo;

import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

import java.io.IOException;

public class MainActivity extends AppCompatActivity {

    private Handler myHanlder=new Handler(){
        @Override
        public void handleMessage(Message msg) {
            tvShow.setText(msg.obj.toString());
        }
    };

    private TextView tvShow;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        tvShow = (TextView) findViewById(R.id.tvshow);

        //新开一个子线程
        new Thread(){
            @Override
            public void run() {
                getWebData();

            }
        }.start();


    }
    public void getWebData(){

        try {
            //1.创建一个HttpClient
            HttpClient hc=new DefaultHttpClient();
            //2.创建HttpGet对象
            HttpGet hg=new HttpGet("http://japi.juhe.cn/joke/content/list.from?key=0e1e9432863ab32234c5a22ab5602437&page=2&pagesize=10&sort=asc&time=1418745237");
            //3.执行
            HttpResponse response=hc.execute(hg);
            //4.判断返回码
            int code=response.getStatusLine().getStatusCode();
            if(code==200){
                //5.得到结果
                HttpEntity result=response.getEntity();
                //转换成string类型
                String str=EntityUtils.toString(result);
                //发送数据
                Message msg=Message.obtain();
                msg.obj=str;
                myHanlder.sendMessage(msg);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }


    }
}