Android判断网路是否畅通加权限

权限

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1 2	<uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

　　Maintity

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//判断网路是否畅通加权限          if(NetWorkUtil.isNetAvailable(MainActivity.this)){//网络畅通             //开始请求数据          }else{              Toast.makeText(MainActivity.this, "目前没网请检查网络权限", 0).show();          }

　　

NetWorkUtil

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public class NetWorkUtil {       public static boolean isNetAvailable(Context context){             //获得网络管理器             ConnectivityManager connM =                     (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);             NetworkInfo netInfo = connM.getActiveNetworkInfo();//得到网络详情                           if(netInfo == null || !netInfo.isAvailable())                 return false;                           return true;         } }