grocer - 另一個 APNS 選擇

https://github.com/highgroove/grocer

好處：支援中文，支援度、擴充性更高

C:\Users\APNS>gem install grocer
Fetching: grocer-0.1.0.gem (100%)
Successfully installed grocer-0.1.0
1 gem installed
Installing ri documentation for grocer-0.1.0...
Installing RDoc documentation for grocer-0.1.0...

$pusher = Grocer.pusher(
  certificate: 'C:\Users\Ruby\APNS\push_test.pem',
  gateway:     "gateway.sandbox.push.apple.com" # optional;  defaults to gateway.push.apple.com.
)

n = Grocer::Notification.new(
      device_token: '12345',
      alert:        "Hello iPhone!",
      badge:        1)
$pusher.push(n)