转自:http://solarex.github.io/blog/2015/09/22/android-message-handling-mechanism/ Android is a message driven, message driven several elements: The message says: Message Message queue: MessageQueue The news cycle, remove the message processing for circ
Preface Validating data is a common task that occurs throughout all application layers, from the presentation to the persistence layer. Often the same validation logic is implemented in each layer which is time consuming and error-prone. To avoid dup