Android Basics : Quick Start
First of all, basic question: How to learn Android? “Google” it . (Sorry for the foul language =p) API & book references. http://developer.android.com/reference/packages.html Ask experienced people. Think yourself. Ask in forum or send email. http://developer.android.com/community/index.html Ok. Lets continue... There are 4 basic components in Android application. Activity Life-cycle 1. Activity Displays a user interface component and respond to system/user initiated. An Application may contain one or more Activities. One Activity is then considered as the main entry point by the system. Each Activity can be invoked from other Applications/Activities. Example: public class Activity extends ApplicationContext { protected void onCreate(Bundle savedState); protected void onStart(); protected void onRestart(); protected void onResume(); protected void onPause(); protected void onStop()...