设计一个简易的记事本（ToolBar组件和StatusBar组件ImageList组件和ActionList组件，Memo组件的使用方法） -Design a simple Notepad (ToolBar and StatusBar components ImageList component ActionList components and components, Memo component to use)

Android下简易记事本的设计，可以完成记事本随时存储等功能-Android under simple notepad designs can be completed at any time storage and other features Notepad

简易记事本，能实现添加、修改、删除、保存功能。-Simple Notepad, to achieve add, modify, delete, save function.

这是一个简易记事本，适合用来学习安卓开发中文件管理，存储数据。(This is a simple notebook for learning file management and data storage in Android development)