摘要：IOS8 使用CoreLocation获取地理位置请求不弹出的解决方法： 1.在Info.list文件下添加一个键为NSLocationWhenInUseUsageDescription，值为想要给用户看到的文本（也可以为空） 2.定义一个CLLocationManager后，使用[_locatio 阅读全文

摘要：To make this launch image, I ran the app in the Simulator and chose File → Save Screen Shot. This puts a new PNG file on the Desktop. I then opened th 阅读全文

摘要：A table view controller, like many objects, has more than one init method. There is: • initWithCoder, for view controllers that are automatically load 阅读全文