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Getting started with Android

Paresh Mayani
September 08, 2013
Technology
2
440

Getting started with Android

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

Paresh Mayani

September 08, 2013
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Transcript

  1. Getting started with Android
    Paresh Mayani

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  2. Android Developer
    Manager @ GDG Ahmedabad
    @pareshmayani
    www.TechnoTalkative.com
    www.GDGahmedabad.com

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  3. What is Android?
    Why Android?
    Where Android?
    @pareshmayani

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  4. Why Android?
    1.5 Million
    Android Device Activations Per Day
    @pareshmayani

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  5. Why Android?
    900 Million
    Total Android device Activated http://goo.gl/EcszCg
    @pareshmayani

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  6. Why Android?
    48 billion
    Total android app installs
    @pareshmayani

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  7. Why Android?
    • We love and trust Google
    @pareshmayani

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  8. Why Android?
    • We love and trust Google
    • Open Source
    @pareshmayani

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  9. Why Android?
    • We love and trust Google
    • Open Source
    • Larger screen size (iPhone is Fixed
    size :D )
    @pareshmayani

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  10. Why Android?
    • We love and trust Google
    • Open Source
    • Larger screen size (iPhone is Fixed
    size :D )
    • Google Play Store
    @pareshmayani

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  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

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  12. View Slide

  13. Where Android?
    @pareshmayani

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  14. Where Android?
    @pareshmayani

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  15. Where Android?
    @pareshmayani

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  16. Where Android?
    http://goo.gl/s98Du
    Project Glass:
    @pareshmayani

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  17. Where Android? :D
    @pareshmayani

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  18. How to start with Android
    Development?
    http://goo.gl/iGkEF
    @pareshmayani

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  19. Building blocks of Android App
    Activities
    Views
    Services
    Content Providers
    Notifications
    Intents
    @pareshmayani

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  20. Building blocks of Android App
    Activities
    Views
    Services
    Content Providers
    Notifications
    Intents
    @pareshmayani

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  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

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  22. Building blocks of Android App
    Activities
    Views
    Services
    Content Providers
    Notifications
    Intents
    @pareshmayani

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  23. Views
    • Basic building block for UI
    components
    • Draws itself to the screen
    • Respond to Events
    @pareshmayani

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  24. Building blocks of Android App
    Activities
    Views
    Services
    Content Providers
    Notifications
    Intents
    @pareshmayani

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  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

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  26. @pareshmayani

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  27. Building blocks of Android App
    Activities
    Views
    Services
    Content Providers
    Notifications
    Intents
    @pareshmayani

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  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

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  29. Building blocks of Android App
    Activities
    Views
    Services
    Content Providers
    Notifications
    Intents
    @pareshmayani

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  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

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  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

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  32. Building blocks of Android App
    Activities
    Views
    Services
    Content Providers
    Notifications
    Intents
    @pareshmayani

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  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

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  34. Let’s setup Android IDE
    @pareshmayani

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  35. Which IDE to choose for development?
    @pareshmayani

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  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

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  37. Android Development Environment
    @pareshmayani

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  38. Eclipse IDE
    Package
    Structure of
    your Android app
    Source Code
    Problems/Erros and Console messages
    Program
    Elements
    @pareshmayani

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  39. Eclipse UI Editor
    UI Elements
    UI View area
    @pareshmayani

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  40. Where to execute Android programs?
    - Emulator or Real Device
    @pareshmayani

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  41. Native Emulator !!
    @pareshmayani

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  42. Android Virtual Device (AVD) Manager
    @pareshmayani

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  43. Android Virtual Device (AVD) Manager
    @pareshmayani

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  44. Let’s create New AVD
    @pareshmayani

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  45. Rocket speed Emulator
    @pareshmayani

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  46. Android project structure
    @pareshmayani

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  47. Types of Layout
    Linear Layout
    Relative Layout
    Frame Layout
    Table Layout
    GridLayout
    @pareshmayani

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  48. Types of Widgets
    @pareshmayani

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  49. • Used to show captions or string values
    TextView
    @pareshmayani

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  50. Button
    • It used to execute some task based on the button’s
    click/selection action.
    @pareshmayani

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  51. @pareshmayani

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  52. EditText
    • Used to accept some inputs from the user.
    @pareshmayani

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  53. ImageView
    • Used to display image resources like logo, icon, etc.
    @pareshmayani

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  54. @pareshmayani

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  55. CheckBox
    • It’s for the selection of items.
    @pareshmayani

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  56. @pareshmayani

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  57. RadioButton
    • Its a two-states button that can be either checked or unchecked.
    @pareshmayani

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  58. @pareshmayani

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  59. Get in Touch
    @pareshmayani
    fb.com/GDGAhmedabad
    http://gplus.to/GDGAhmedabad
    www.TechnoTalkative.com
    gplus.to/paresh.mayani
    www.GDGahmedabad.com

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