httpurlconnection

public class HomeHotSpotFragment extends Fragment {
    WebView mWebView;
    Button mButton;
    TextView mTextView;


    public HomeHotSpotFragment() {
        // Required empty public constructor
    }


    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View v =  inflater.inflate(R.layout.fragment_home_hot_spot, container, false);
        mWebView = (WebView) v.findViewById(R.id.baidu);
        mButton = (Button) v.findViewById(R.id.web);
        mTextView = (TextView) v.findViewById(R.id.sec);
        mButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //启动子线程方法1
                Thread mThread = new Thread(new Runnable() {
                    @Override
                    public void run() {
                        HttpUrlConnectionGet();
                    }
                });
                mThread.start();
                //启动子线程方法2
                /*new Thread(new Runnable() {
                    @Override
                    public void run() {
                        HttpUrlConnectionGet();
                    }
                }).start();*/
            }
        });
        return v;
    }
    private void HttpUrlConnectionGet(){
        HttpURLConnection mHttpURLConnection = null;
        InputStream mInputStream;
        StringBuilder mStringBuilder = new StringBuilder();
        try {
            //定义url网址"http://baidu.com"
            URL mUrl = new URL("http://apis.baidu.com/txapi/tiyu/tiyu?num=10&page=1&word=%E6%9E%97%E4%B8%B9");
            mHttpURLConnection = (HttpURLConnection) mUrl.openConnection();
            //设置时间,链接,请求超时时间
            mHttpURLConnection.setConnectTimeout(5*1000);
            mHttpURLConnection.setReadTimeout(5*1000);
            //设置请求码,为百度是可以不用
            mHttpURLConnection.setRequestProperty("apikey","3457f565f8ed592707432f9d44440f96");
            //链接
            mHttpURLConnection.connect();
            if (mHttpURLConnection.getResponseCode() == HttpURLConnection.HTTP_OK){//不为空
                mInputStream = mHttpURLConnection.getInputStream();//获得输入流
                byte[] bytes = new byte[1024];
                int i;
                while ((i = mInputStream.read(bytes)) != -1){
                    mStringBuilder.append(new String(bytes,0,i,"utf-8"));
                }
                mInputStream.close();
            }
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            if (mHttpURLConnection != null){
                mHttpURLConnection.disconnect();
            }
        }
        //信息交互,子线程不能控制view,获得的信息要交给主线程,前一个1为识别码,后面的是内容
        Message message = mHandler.obtainMessage(1,mStringBuilder.toString());
        mHandler.sendMessage(message);
    }
    Handler mHandler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            if (msg != null && msg.what == 1){
                String s = (String) msg.obj;
                //设置格式
                mWebView.getSettings().setDefaultTextEncodingName("utf-8");
                //设置内容的事件为可执行的
                mWebView.getSettings().setJavaScriptEnabled(true);
                mWebView.loadDataWithBaseURL(null,s,"text/html","utf-8",null);
            }
        }
    };

}