package com.wyl.httptest2;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import org.apache.http.HttpResponse;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.DefaultHttpClient;

import android.os.Bundle;

import android.support.v7.app.ActionBarActivity;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

public class MainActivity extends ActionBarActivity {

	Button btn;

	EditText et;

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);

		btn = (Button)findViewById(R.id.btnId);

		MyOnclickListener l = new MyOnclickListener();

		et = (EditText)findViewById(R.id.editTextId);

		btn.setOnClickListener(l);//绑定监听器

	}

	class MyOnclickListener implements OnClickListener{

		@Override

		public void onClick(View v) {

			//原则：UI中的主线程不能够直接访问网络

			System.out.println("====线程名："+Thread.currentThread().getName());

			getInternetThread myThread = new getInternetThread();

			myThread.start();

		}

	}

	class getInternetThread extends Thread{

		String line = "我是空";

		@Override

		public void run() {

			System.out.println("线程名："+Thread.currentThread().getName());

			//获取EditText 控件里的 uri

			String uri = et.getText().toString();

			System.out.println("uri的值："+uri);

			//访问网络

			//获取客户端对象

			HttpClient client = new DefaultHttpClient();

			//获取请求对象,并传入uri

			HttpGet get = new HttpGet(uri);

			//客户端发送请求对象

			try {

				HttpResponse resp = client.execute(get);

				//获取状态码，如果是200说明成功

				int code = resp.getStatusLine().getStatusCode();

				if(code == 200){

					//获得返回值

					InputStream in = resp.getEntity().getContent();

					BufferedReader reader = new BufferedReader(new InputStreamReader(in));

					line = reader.readLine();

				}

			} catch (ClientProtocolException e) {

				// TODO Auto-generated catch block

				e.printStackTrace();

			} catch (IOException e) {

				// TODO Auto-generated catch block

				e.printStackTrace();

			}

			et.setText(line);//设置EditText的值，这个地方会导致程序的崩溃，猜测是workThread不能够直接修改主线程即安卓UI中的数据。

		}

	}

}