xuxiuxi

2017-07-28 789b7ff1e420aff8bca618ea1705eb20f4ad0315

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package cn.com.basic.face.service; 
 
import android.content.Context; 
import android.net.ConnectivityManager; 
import android.net.NetworkInfo; 
 
import java.io.BufferedInputStream; 
import java.io.BufferedReader; 
import java.io.InputStream; 
import java.io.InputStreamReader; 
import java.net.URL; 
import java.net.URLConnection; 
 
import cn.com.basic.face.base.BaseApplication; 
import cn.com.basic.face.base.MainActivity; 
import cn.com.basic.face.discern.common.CommonVariables; 
import cn.com.basic.face.util.AppApi; 
 
public class InternetAccessThread extends Thread { 
    @Override 
    public void run() { 
        while (true) { 
            try { 
                Thread.sleep(2* 1000); 
                boolean hasInternetAccess = InternetAccess.getNetWorkInfo(); 
                if (hasInternetAccess) { 
                    MainActivity.getInstance().setInternetAccessible(CommonVariables.InternetAccess.INTERNET_ACCESSIBLE); 
                } else { 
                    MainActivity.getInstance().setInternetAccessible(CommonVariables.InternetAccess.INTERNET_NOT_ACCESSIBLE); 
                } 
            } catch (Exception e) { 
                e.printStackTrace(); 
            } 
        } 
    } 
 
    public static class InternetAccess { 
 
        public static boolean getNetWorkInfo() { 
            try { 
                ConnectivityManager manager = (ConnectivityManager) MainActivity.getInstance() 
                        .getApplicationContext().getSystemService( 
                                Context.CONNECTIVITY_SERVICE); 
                if (manager == null) { 
                    return false; 
                } 
                NetworkInfo networkinfo = manager.getActiveNetworkInfo(); 
                if (networkinfo == null || !networkinfo.isAvailable() 
                        || !networkinfo.isConnectedOrConnecting()) { 
                    return false; 
                } else { 
                    if (openUrl()) { 
                        return true; 
                    } else { 
                        return false; 
                    } 
                } 
            } catch (Exception e) { 
                e.printStackTrace(); 
                return false; 
            } 
        } 
 
 
        public static boolean openUrl() { 
            StringBuilder total = new StringBuilder(); 
            try { 
                URL url = new URL(AppApi.BASE_URL); 
                URLConnection urlCon = url.openConnection(); 
                urlCon.setConnectTimeout(1500); 
                InputStream is = urlCon.getInputStream(); 
                BufferedInputStream bis = new BufferedInputStream(is); 
 
                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(bis)); 
 
                String line; 
                while ((line = bufferedReader.readLine()) != null) { 
                    total.append(line).append('\n'); 
                } 
                bufferedReader.close(); 
                bis.close(); 
                is.close(); 
            } catch (Exception e) { 
                //e.printStackTrace(); 
                System.out.println(e.getMessage()); 
                return false; 
            } 
 
            if (total.toString().indexOf("Hello World!") > -1) { 
                return true; 
            } else { 
                return false; 
            } 
        } 
 
    } 
}