android 中检查设备是否有网络可用
public boolean checkNetWorkStatus() { boolean netSataus = false; ConnectivityManager cwjManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); cwjManager.getActiveNetworkInfo(); if (cwjManager.getActiveNetworkInfo() != null) { netSataus = cwjManager.getActiveNetworkInfo().isAvailable(); } return netSataus; }
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