Getting started with Android

Let's get started with Android app development. This was presented at GDG Baroda, India.

Transcript

1. Getting started with Android Paresh Mayani
2. Android Developer Manager @ GDG Ahmedabad @pareshmayani www.TechnoTalkative.com www.GDGahmedabad.com
3. What is Android? Why Android? Where Android? @pareshmayani
4. Why Android? 1.5 Million Android Device Activations Per Day @pareshmayani
5. Why Android? 900 Million Total Android device Activated http://goo.gl/EcszCg @pareshmayani
6. Why Android? 48 billion Total android app installs @pareshmayani
7. Why Android? • We love and trust Google @pareshmayani
8. Why Android? • We love and trust Google • Open Source @pareshmayani
9. Why Android? • We love and trust Google • Open Source • Larger screen size (iPhone is Fixed size :D ) @pareshmayani
10. Why Android? • We love and trust Google • Open Source • Larger screen size (iPhone is Fixed size :D ) • Google Play Store @pareshmayani
11. Why Android? • We love and trust Google • Fastest growing OS • Open Source • Larger screen size (iPhone is Fixed size :D ) • Google Play Store • Various Manufacturers @pareshmayani
13. Where Android? @pareshmayani
14. Where Android? @pareshmayani
15. Where Android? @pareshmayani
16. Where Android? http://goo.gl/s98Du Project Glass: @pareshmayani
17. Where Android? :D @pareshmayani
18. How to start with Android Development? http://goo.gl/iGkEF @pareshmayani
19. Building blocks of Android App Activities Views Services Content Providers Notifications Intents @pareshmayani
20. Building blocks of Android App Activities Views Services Content Providers Notifications Intents @pareshmayani
21. Activities • Fundamental object of android app with lifecycle • Having UI • Interact with the user • One app can have Multiple activities • Must have 1 Main Activity @pareshmayani
22. Building blocks of Android App Activities Views Services Content Providers Notifications Intents @pareshmayani
23. Views • Basic building block for UI components • Draws itself to the screen • Respond to Events @pareshmayani
24. Building blocks of Android App Activities Views Services Content Providers Notifications Intents @pareshmayani
25. Intents • A simple message object that represents an "intention" to do something • Most significant use => launching of activities, where it can be thought of as the glue between activities. @pareshmayani
26. @pareshmayani
27. Building blocks of Android App Activities Views Services Content Providers Notifications Intents @pareshmayani
28. Services • can perform long-running operations in the background • Doesn’t Provide User Interface (UI) • Another application component can start a service and it will continue to run in the background even if the user switches to another application. @pareshmayani
29. Building blocks of Android App Activities Views Services Content Providers Notifications Intents @pareshmayani
30. Content Providers • presents data to external applications • provide a level of abstraction for any data stored on the device that is accessible by multiple applications. @pareshmayani
31. Android application - 3 Activity 3.1 Android application - 2 Activity 2.1 Activity 2.1 Android application - 1 Activity 1.1 Activity 1.2 Activity 1.3 Content Provider - A XML Data File SQLite Remote @pareshmayani
32. Building blocks of Android App Activities Views Services Content Providers Notifications Intents @pareshmayani
33. Notifications • A Notification is a small icon that appears in the status bar. • Users can interact with this icon to receive information • For example: New SMS message, Missed call, New Mail @pareshmayani
34. Let’s setup Android IDE @pareshmayani
35. Which IDE to choose for development? @pareshmayani
36. Android ADT Bundle Download the SDK ADT Bundle for Windows • ADT (Android Developer Tools) Bundle • With a single download, the ADT Bundle includes everything you need to begin developing apps: – Eclipse + ADT plug-in – Android SDK Tools – Android Platform-tools – The latest Android platform – The latest Android system image for the emulator @pareshmayani
37. Android Development Environment @pareshmayani
38. Eclipse IDE Package Structure of your Android app Source Code Problems/Erros and Console messages Program Elements @pareshmayani
39. Eclipse UI Editor UI Elements UI View area @pareshmayani
40. Where to execute Android programs? - Emulator or Real Device @pareshmayani
41. Native Emulator !! @pareshmayani
42. Android Virtual Device (AVD) Manager @pareshmayani
43. Android Virtual Device (AVD) Manager @pareshmayani
44. Let’s create New AVD @pareshmayani
45. Rocket speed Emulator @pareshmayani
46. Android project structure @pareshmayani
47. Types of Layout Linear Layout Relative Layout Frame Layout Table Layout GridLayout @pareshmayani
48. Types of Widgets @pareshmayani
49. • Used to show captions or string values TextView @pareshmayani
50. Button • It used to execute some task based on the button’s click/selection action. @pareshmayani
51. @pareshmayani
52. EditText • Used to accept some inputs from the user. @pareshmayani
53. ImageView • Used to display image resources like logo, icon, etc. @pareshmayani
54. @pareshmayani
55. CheckBox • It’s for the selection of items. @pareshmayani
56. @pareshmayani
57. RadioButton • Its a two-states button that can be either checked or unchecked. @pareshmayani
58. @pareshmayani
59. Get in Touch @pareshmayani fb.com/GDGAhmedabad http://gplus.to/GDGAhmedabad www.TechnoTalkative.com gplus.to/paresh.mayani www.GDGahmedabad.com