Android Fundamentals: - Revision on Day 1. - Activity. - Back Stack. - Activity Life Cycle, - ScrollView. - RecyclerView. - Resources. - Adapter. - Application Manifest.

1. Android Fundamentals
Day 2
Mohammad Tarek
Software Developer - eSpace
+20-111-863-1732
/bntarek
mohammad.bn.tarek@gmail.com

2. We have learned…

3. Views

4. Density-Independent Pixels (dp) 2 pixels by 2 pixels
Medium Resolution High Resolution Extra-High Resolution

5. Density-Independent Pixels (dp) 2 dp by 2 dp
Medium Resolution High Resolution Extra-High Resolution

6. LinearLayout
TextView 1
TextView 2
TextView 3
1 2 3

7. RelativeLayout
Top Edge
Bottom Edge
RightEdge
LeftEdge
Child
Top Edge
Bottom Edge
RightEdge
LeftEdge
image
name
title

8. Padding, and Margin
Welcome
Welcome Welcome
Original Padding Margin

9. Activity

10. Activity

11. Activity

12. Back Stack

13. Activity Life Cycle

14. ScrollView vs RecyclerView
1
2
3
4
5
6
7
8
9
10
2
3
4
5
6
1
7
7

15. Resources
 ID Resource
 Dimension Resource
 Layout Resource
 Color Resource
 Drawable Resources
 String Resources
 Animation Resources
 Color State List Resource
 Menu Resource
 Style Resource
 And more …

16. Adapter
An Adapter object acts as a bridge between an AdapterView and
the underlying data for that view. The Adapter provides access to the
data items. The Adapter is also responsible for making a View for each
item in the data set.

17. App Manifest
 AndroidManifest.xml file found in the app root directory.
 Presents essential information about your app to the Android system.
 Describes the activities, services, broadcast receivers.
 Declares the minimum level of the Android API that the application requires.
 Declares which permissions the application must have to access protected
parts of the API and interact with other applications.

18. Workshop
https://github.com/BnTarek/Android_Wish_Store

19. Any Questions?

20. Many Thanks!