Android Development for Beginners

This presentation introduces the concept of Android Development to people with no programming experience at all.

Transcript

2. Android Development for Beginners Moyinoluwa Adeyemi April 29 2017
3. Agenda ◉ Who? ◉ What? ◉ Why? ◉ How? ◉ What next?
4. Who? 1
5. Moyinoluwa Adeyemi Android Developer @OffGridE GDG Lagos Co-organizer
6. What? 2
8. Android Versions 1.5 - Cupcake 1.6 - Donut 2.1 - Eclair 2.2 - Froyo 2.3 - GingerBread
9. Android Versions 4.0 - Ice-cream Sandwich 4.1 - Jelly Bean 4.4 - Kitkat 3.0 - Honeycomb
10. Android Versions 6.0 - Marshmallow 7.0 - Nougat 5.0 - Lollipop
11. Why? 3
12. Why Android? Go from to real fast
13. Why Android? Go from to real fast
14. How? 4
15. Go from to real fast Image Credit: Udacity
16. Layouts LinearLayout RelativeLayout GridLayout StaggeredGrid Layout
17. Layouts Constraint Layout FlowLayout
18. Views StatusBar TextView FloatingActionButton ImageView
19. Getting started Android Studio 2.3 + +
20. Code Samples 3
21. Code Samples public class MainActivity extends AppCompatActivity { @Override protected void onCreate (Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } } Interacting with the views through Java code
22. Code Samples <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="16dp" android:text="Hello Africode" /> </LinearLayout> Layout file
23. What next? 5
24. • Publish app on Google Play • Meetups • Blogposts
25. Useful Links ◉ Android developer documentation ◉ https://www.udacity.com/course/android-de velopment-for-beginners--ud837 ◉ Stackoverflow ◉ https://developers.google.com/groups/
26. Questions?
27. Find me online! @moyheen @moyinoluwa @moyheen Moyinoluwa Adeyemi Android @OffGridE GDG Lagos co-organizer
28. ◉ Got Questions?: ◉ Contact inform ◉ We love feedback: https://goo.gl/pcLs18 ◉ Follow us: Africode (facebook) @therealafricode (twitter / instagram) ◉ Website: africode.org Thanks!