判斷網路是否連線
阿新 • • 發佈：2018-12-17
/** * 判斷網路 */ //建立方法 if (isNet()){ Toast.makeText(getActivity(),“當前有網路”,Toast.LENGTH_LONG).show(); }else { Toast.makeText(getActivity(),“親,請聯網…”,Toast.LENGTH_LONG).show();
private boolean isNet() { ConnectivityManager connectivityManager = (ConnectivityManager) getActivity().getSystemService(Context.CONNECTIVITY_SERVICE); if (connectivityManager == null){ return false; }else { NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo(); if (activeNetworkInfo == null || !activeNetworkInfo.isAvailable()){ return false; } } return true; }