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  • android网络请求之get方法

    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); } } }; }
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  • 原文地址:https://www.cnblogs.com/wangxinqiang1995/p/5890492.html
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