小编use*_*471的帖子

如何创建具有透明背景的视图控制器,该视图控制器覆盖另一个视图控制器,其中底部视图控制器在iOS 9中仍然可见？在iOS 8中工作的方式不再有效.

我正在尝试设置Spotify IOS API,但每次我运行这个Ruby文件,然后http://localhost:1234/swap去找"Sinatra不知道这个小曲".

这是我的代码:

require 'sinatra'
require 'net/http'
require 'net/https'
require 'base64'
require 'json'
require 'encrypted_strings'

# This is an example token swap service written
# as a Ruby/Sinatra service. This is required by
# the iOS SDK to authenticate a user.
#
# The service requires the Sinatra and
# encrypted_strings gems be installed:
#
# $ gem install sinatra encrypted_strings
#
# To run the service, enter your client ID, client
# secret and client callback …