package com.jredu.helloworld.activity;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.webkit.WebView;

import android.widget.Button;

import android.widget.TextView;

import com.jredu.helloworld.R;

import java.io.IOException;

import java.io.InputStream;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;

import java.net.URL;

public class HttpUrlConnectionGetActivity extends AppCompatActivity {

    WebView webView;

    Button button;

    TextView success;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_http_url_connection_get);

        webView = (WebView) findViewById(R.id.baidu);

        success = (TextView) findViewById(R.id.success);

        button = (Button) findViewById(R.id.button);

        button.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {
                /*第一种方法*/

                /*Thread thread = new Thread(new Runnable() {

                    @Override

                    public void run() {

                        HttpUrlConnectionGet();

                    }

                });

                thread.start();*/
                /*第二种方法*/

                new Thread(new Runnable() {

                    @Override

                    public void run() {

                        HttpUrlConnectionGet();

                    }

                }).start();

            }

        });

    }

    public void HttpUrlConnectionGet(){

        HttpURLConnection urlConnection = null;

        InputStream is = null;

        StringBuilder sb = new StringBuilder();

        try {

            URL url = new URL("http://apis.baidu.com/txapi/tiyu/tiyu?num=10&page=1");

            urlConnection = (HttpURLConnection) url.openConnection();

            urlConnection.setConnectTimeout(5*1000);

            urlConnection.setReadTimeout(5*1000);

            urlConnection.setRequestProperty("apikey","fc642e216cd19906f642ee930ce28174");

            urlConnection.connect();

            if (urlConnection.getResponseCode() == HttpURLConnection.HTTP_OK){

                is = urlConnection.getInputStream();

                byte[] bytes = new byte[1024];

                int i = 0;

                while ((i = is.read(bytes)) != -1){

                    sb.append(new String(bytes,0,i,"utf-8"));

                }

                is.close();

            }

        } catch (MalformedURLException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }finally {

            if (urlConnection != null){

                urlConnection.disconnect();

            }

        }

        Message message = handler.obtainMessage(1,sb.toString());

        handler.sendMessage(message);

    }

    private Handler handler = new Handler(){

        @Override

        public void handleMessage(Message msg) {

            super.handleMessage(msg);

            if (msg != null && msg.what == 1){

                String s = (String) msg.obj;

                webView.getSettings().setDefaultTextEncodingName("utf-8");

                webView.getSettings().setJavaScriptEnabled(true);

                webView.loadDataWithBaseURL(null,s,"text/html","utf-8",null);

            }

        }

    };

}