Just as DOTNET development requires msdn and Java development requires JDK documentation, it is best to have corresponding help documentation before Android development.
In fact, the android SDK itself contains a lot of development help documentation (English version ). The procedure is as follows:
1. Open the SDK to download the help document directory. My installation directory is in c: \ Program Files \ Android-SDK-Windows \ docs.
2.open index.html with a browser, and click the dev-guide Link (Development wizard) in the navigation tab)
The link on the left of this page contains all aspects of Android development.
For example, userinterface> declaring layout includes the use and introduction of layout files.
3. Click reference to list the attribute methods of all commonly used packages and classes in Android development. Similar to JDK help,
Unfortunately, all of them are in English. If you are good at English, reading these documents will be quite helpful.
4. A Chinese team is translating Android SDK documents. And the progress is quite fast. If your English is poor, you can download the Chinese SDK for help. Here, I would like to thank the translation team members.
Download link to the Chinese SDK tool in this http://files.cnblogs.com/over140/AndroidBox0.5.zip
You can also view the separate Chinese API documentation under this link directory.
Http://www.cnblogs.com/over140/category/277077.html
5. Focus on the components in the Android. widget package at the entry stage
Widgets are widgets. Most Android UI components are included in this package.