您可以按照本教程，介绍Android应用程序，尤其是Android中的数据库。

You can follow this tutorial which is an introduction to Android apps and especially to databases in Android.

网站：

这篇关于编写记事本应用程序的教程给你一个实践的
介绍Android框架和你用来构建
应用程序的工具。从预配置的项目文件开始，它
引导您完成开发一个简单的记事本
应用程序的过程，并提供了如何设置
项目的具体示例，开发应用程序逻辑和用户界面，然后
编译并运行应用程序。

This tutorial on writing a notepad application gives you a "hands-on" introduction to the Android framework and the tools you use to build applications on it. Starting from a preconfigured project file, it guides you through the process of developing a simple notepad application and provides concrete examples of how to set up the project, develop the application logic and user interface, and then compile and run the application.