Android 常用工具类

/** * 网络连接是否可用 */public static boolean isConnnected(Context context) {   ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);   if (null != connectivityManager) {      NetworkInfo networkInfo[] = connectivityManager.getAllNetworkInfo();      if (null != networkInfo) {         for (NetworkInfo info : networkInfo) {            if (info.getState() == NetworkInfo.State.CONNECTED) {               Log.e(TAG, "the net is ok");               return true;            }         }      }   }   Toast.makeText(context, "网络连接失败", Toast.LENGTH_SHORT).show();   return false;}

/** * @Title: showToast * Toast * @throws */public static void showToast(Context context, String message) {   Toast.makeText(context, message, Toast.LENGTH_SHORT).show();}