Introduction to Android development

Lecture to students of University of Malta

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