Original: Android Development note--hello World and directory structure
Every touch of a new thing has an example of Hello World.
1. New Project
2. Configuring the AVD
AVD does not want to create a new one if it cannot be created
Run the SDK Manager update
3. Then you can run it.
The first boot is 1 minutes, don't turn it off.
4. Add code
5. Then the operation isOKthe
Directory structure
1. SRC-for placing the source program
2. Gen-automatically generates R.java files for referencing resource files (i.e., data in res directory)
3, assets-for placing the original file, Android will not do any of the files in this directory, which is different from the Res directory
4, res/drawable-for the placement of pictures and other resources; res/layout-XML file for placement of layouts; res/values-for placing some constant data
5. Androidmanifest.xml-android program manifest file, equivalent to configuration file, configure application name, icon, Activity, Service, receiver, etc.
Android Development note--hello World and directory structure