Introduction - If you have any usage issues, please Google them yourself
android application development toolkit androidkit complete library download, android development in many cases you can use the package in some classes, such as SQLiteOpenHelper class, date and time operations, color picker, UI controls, access to the contents of the specified URL returned String object, View controls shots, get the icon, version, package name and other information, abstract classes, Activity management, to manage the startup of Activity, IntroActivity animation files and other types of binding events