Android http request response.

MyActivity.java

package com.tikitoo.android.http.activity;

// ... import

public class MyActivity extends Activity {

    private Button httpBtn;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        httpBtn = (Button) findViewById(R.id.button_http_id);
        httpBtn.setOnClickListener(new MyBtnListener());

    }

    // 在主线程中调用Network Thread
    class MyBtnListener implements View.OnClickListener {
        public void onClick(View v) {
            new NetWorkThread().start();
        }
    }

    // 访问网络的线程
    class NetWorkThread extends Thread {
        @Override
        public void run() {
            // 创建HttpClient 对象
            HttpClient httpClient = new DefaultHttpClient();

            // 创建代表请求的对象，参数是访问服务器地址，
            HttpGet httpGet = new HttpGet("http://www.marschen.com/data1.html");

            // 自定义请求内容，如果不设置，请求头获取的内容为空
            httpGet.setHeader("name", "Tikitoo");
            httpGet.setHeader("Accept-Language", "zh-CN,zh;q=0.8,zh-TW;q=0.6,en;q=0.4");


            // 获取请求头（Request Headers）的内容
            Header[] reqHeaders = httpGet.getAllHeaders(); 
            // 请求获取服务器返回的相应对象

            for(Header hd : reqHeaders) {
                String name = hd.getName();
                String value = hd.getValue();
                System.out.println(name + ": " + value);
            }

            try {
                HttpResponse resp = httpClient.execute(httpGet);
                // 检查相应的状态是否正常，状态码为200，则为正常

                // 获取响应头（Response Headers）的内容
                Header[] respHeanders = resp.getAllHeaders();
                for(Header hd : respHeanders) {
                    String name = hd.getName();
                    String value = hd.getValue();
                    System.out.println(name + ": " + value);
                }

                int code = resp.getStatusLine().getStatusCode();
                if (code == 200) {
                    // 从相应对象取出数据
                    HttpEntity entity = resp.getEntity();
                    InputStream in = entity.getContent();

                    // 使用缓存流读取数据
                    BufferedReader br = new BufferedReader(new InputStreamReader(in));

                    String line = br.readLine();
                    Log.e("Http", "Data: " + line);

                    // 关闭流资源
                    in.close();

                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

PostThread.java

// 使用Post 方式提交
class PostThread extends Thread {
    String name;
    String pwd;

    public PostThread(String name, String pwd) {
        this.name = name;
        this.pwd = pwd;
    }

    @Override
    public void run() {
        // 构造请求对象
        HttpClient httpClient = new DefaultHttpClient();
        // 获取到数据，使用Post 方式请求
        String url = "http://192.168.56.1:8081/MyWeb/mail.jsp";

        HttpPost httpPost = new HttpPost(url);
        // NameValuePair 对象代表一个需要啊发往服务器的键值对
        NameValuePair namePair = new BasicNameValuePair("name", name);
        NameValuePair pwdPair = new BasicNameValuePair("pwd", pwd);

        // 将准备好的键值对对象 添加到List
        ArrayList<NameValuePair> pairs = new ArrayList<NameValuePair>();
        pairs.add(namePair);
        pairs.add(pwdPair);

        try {
            // 创建代表请求体的对象
            HttpEntity reqEntity = new UrlEncodedFormEntity(pairs); // 可能会出现编码错误异常 
            // 将请求体放在在请求对象当中
            httpPost.setEntity(reqEntity);

            try {
                HttpResponse response = httpClient.execute(httpPost);
                // 获取状态码，200 表示成功
                int code = response.getStatusLine().getStatusCode();
                if (code == 200) {
                    HttpEntity httpEntity = response.getEntity();
                    InputStream in = httpEntity.getContent();
                    BufferedReader br = new BufferedReader(new InputStreamReader(in));

                    String line = null; //br.readLine();
                    // 为了避免第一行为空，读取不到数据，所有使用while 读取所有数据
                    while ((line = br.readLine()) != null) {
                        Log.e("Resp", line);
                    }

                    in.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }// run end
}

ReqActivity.java

package com.tikitoo.android.http.activity;

// ... import

public class ReqActivity extends Activity {

    private EditText nameText, pwdText;
    private Button button;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.req_layout);

        nameText = (EditText) findViewById(R.id.edit_text_req_name_id);
        pwdText = (EditText) findViewById(R.id.edit_text_req_pwd_id);
        button = (Button) findViewById(R.id.button_req_id);

        // 按钮绑定监听器
        button.setOnClickListener(new MyBtnListener());
    }

    // 定义监听器
    class MyBtnListener implements View.OnClickListener {

        @Override
        public void onClick(View v) {
            // 获取文本输入框的内容，并将数据传入GetThread
            String name = nameText.getText().toString();
            String pwd = pwdText.getText().toString();

            System.out.println("name = " + name + "; pwd = " + pwd);

            GetThread gt = new GetThread(name, pwd);
            gt.start();
        }
    }

    class GetThread extends Thread {
        String name;
        String pwd;

        public GetThread(String name, String pwd) {
            this.name = name;
            this.pwd = pwd;
        }

        @Override
        public void run() {
            HttpClient httpClient = new DefaultHttpClient();
            // 获取到数据，使用Get 方式请求，并将两个字段传入
            // http://192.168.56.1:8081/MyWeb/mail.jsp?name=tikitoo&pwd=dfa
            String url = "http://192.168.56.1:8081/MyWeb/mail.jsp?name=" + name + "&pwd=" + pwd;

            HttpGet httpGet = new HttpGet(url);
            try {
                HttpResponse response = httpClient.execute(httpGet);
                int code = response.getStatusLine().getStatusCode();
                if (code == 200) {
                    HttpEntity httpEntity = response.getEntity();
                    InputStream in = httpEntity.getContent();
                    BufferedReader br = new BufferedReader(new InputStreamReader(in));

                    String line = null; //br.readLine();

                    // 为了避免第一行为空，读取不到数据，所有使用while 读取所有数据
                    while ((line = br.readLine()) != null) {
                        Log.e("Resp", line);
                    }

                    in.close();

                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}