检查网络的方法
public static boolean isInternetConnected(Context context) {
if (context != null) {
//获取connectivityManager
ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
//获取activeNetworkInfo
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
//获取是否有效
if (activeNetworkInfo != null) {
boolean available = activeNetworkInfo.isAvailable();
return available;
}
}
return false;
}
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