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Project Setup Before Development

1.  project UI Requirement on particular page . like - A) No. of view in particular Activity. B) Advance feature added - which need to learn C) Toughest part D) Partiular 2. Navigator Class 3. App Preference (Shared Preference) 4. CONSTANTS/ENUM - Shared Pref Constants, Activiy Name, 5. Error Handle Class 6. Progreess Class 7. Custom Dialog
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Naming Convention

1. If a view perform action then id is  - "@+id/action_order". 2. Method name  - setupHome, setupView.
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Declare Constants

Note : Use enum instead of 'public static final String variable ' ========= import java.io.Serializable; import java.util.HashMap; enum UserCredential{ LOGIN , PASSWORD , TOKEN , USERNAME ; } public class TestClass1 { public static void main(String[] args){ System. out .println( "--------Hello---------" ); System. out .println( "--------" +UserCredential. LOGIN + "---------" ); HashMap<UserCredential, String> map = new HashMap(); map.put(UserCredential. LOGIN , "India" ); System. out .println( "--------" +map.get(UserCredential. LOGIN )+ "---------" ); } } ============== =========== ======== ====== ==== Enums in java are mainly used for grouping similar kind of constants as a one unit. constants means static and final. Enums are introduced in JDK 1.5 onward. Before that similar kind of constants are grouped by decla...
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