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关注ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { cm.registerDefaultNetworkCallback(new ConnectivityManager.NetworkCallback(){ @Override public void onAvailable(@NonNull Network network) { super.onAvailable(network); } @Override public void onLost(@NonNull Network network) { super.onLost(network); } }); }用这个接口吧
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