Introduction to Android Development

The talk I gave at the Lincoln.Code() Meetup covering Android's history, resources for getting started, best practices, and new happenings.

Transcript

1. Introduction to Android Development @BenWicks
2. What I do
3. Why Android?
4. What Makes Android “Most Wanted”?
5. Android is Open
7. Multitude of Devices...
10. Market Share
12. U.S. Market Share
13. • A Brief History • Getting Started • Best Practices • New Happenings Outline
14. A Brief History 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 α β
16. Android Version Distribution
20. Android 2.0 The Attic 2010
23. My Break: 2012-2015
24. Some Resources for Getting Started
25. Understanding mobile constraints
26. Android App Components Activity Service Broadcast Receiver Content Provider Android Manifest
27. <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.android"> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name"> <activity android:name="com.example.android.MainActivity" android:label="@string/app_name" /> <service /> <receiver /> <provider /> </application> </manifest> Android Manifest
28. Activity
29. Activities enable MultiTasking
30. Activities enable Process Restoration
31. Activity Flow
32. Activity Lifecycle
33. Service
34. Broadcast Receiver Receiver
35. Content Provider
36. Tying it Together: Context
37. User Interface
39. <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextView android:id="@+id/text" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="I am a TextView" /> <Button android:id="@+id/button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="I am a Button" /> </LinearLayout> findViewById(int id)
40. Resource system
41. Alternative Resources
43. Standard Issue Tools
44. Android Gradle Plugin Code Resources Dependencies
46. Best Practices
47. Fragments
48. Fragment Lifecycle ...next slide please?!
49. Non-Fragment Single-Activity Back Stack
50. Activity Bloat
52. Third Party Libraries
53. “Power” Tools: Lint
54. “Power” Tools: Testing
55. “Power” Tools: Debugging/Profiling
56. Next Step Resources
57. New Happenings ARCore
60. Questions