Introduction to Android development

Transcript

1. WHAT’S UP WITH University Malta Danny Preussler @PreusslerBerlin

2. WHAT DO I KNOW OF GAMES?

3. WHO’S THAT GERMAN?

4. WHAT’S A DEVELOPER EXPERT?

5. WHAT’S A DEVELOPER EXPERT?

6. 2009 ANDROID

7. WHATS UNDER THE HOOD?

8. None

9. WRITE ANDROID IN

10. TOOLS FOR NATIVE APPS Powered by

11. BUILDING BLOCKS •Activities •Services •Broadcasts

12. SERVICE

13. ACTIVITY

14. ACTIVITY Activity Activity Intent View View View

15. INTENT • startActivity( new Intent(getContext(), MainActivity.class)); • startActivity( new Intent(ACTION_VIEW,

    Uri.parse(uri)));

16. ACTIVITY Activity Activity Activity Activity

17. VIEWS • Extend the class View • Defined by Code

    or XML

18. VIEWS • Grouped in Layouts/Viewgroups (old)

19. VIEWS <TextView style="@style/Label10" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingTop=”5dp" android:paddingBottom=”10dp" android:paddingStart=”6dp" android:paddingEnd=”6dp" android:text="show

    this" android:textAllCaps="true" />

20. SOOO 2016 • Material Design • Firebase • ConstraintLayout •

    Databinding • RxJava

21. RESOURCES

22. RESOURCES png files

23. None

24. DRAWABLES • PNG • XML • WEBP • Vector drawables

25. RESOURCES Layout xml

26. CONFIGURATIONS •Configuration change can be: •Rotation •Any resize i.e. split

    screen •Language change

27. RESOURCES combinable

28. RESOURCES <!-- captions, menu, buttons --> <string name="settings">"Einstellungen"</string> <string name="action_overflow_menu">"Mehr"</string>

    <string name="action_settings">"Einstellungen"</string> <string name="action_search">"Suche"</string> <string name="action_share">"Teilen"</string>

29. VIEWS <TextView style="@style/Label10" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingTop="@dimen/settings_page_small_text_padding_top" android:paddingBottom="@dimen/settings_page_small_text_padding_bottom" android:paddingStart="@dimen/settings_page_padding_horizontal" android:paddingEnd="@dimen/settings_page_padding_horizontal" android:text="@string/dev_tve"

    android:textAllCaps="true" />

30. ANIMATIONS myView.animate() .translationX(100) .alpha(1f) .duration(100) .start()

31. ANIMATIONS <?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" android:fillAfter="true" > <alpha android:duration="1000"

    android:fromAlpha="0.0" android:toAlpha="1.0" /> </set>

32. RESOURCES

33. ANIMATIONS SpringAnimation FlingAnimation

34. TRANSITIONS Transition explode = new Explode(); TransitionManager.beginDelayedTransition( recyclerView, explode);

35. THE WAY OF A NOTIFICATION • Sent • Wakes up

    app • App retrieves content • Might load more from backend • Shows notification w/o actions • Actions/clicks trigger intent • Show activity

36. ANDROID IS MORE THAN PHONE

37. None

38. WHAT’S UP WITH University Malta Danny Preussler @PreusslerBerlin