Android KitKat featured API

1. KitKat
Altaf ur Rehman

2. Kitkat for
- Designed for Low end device.
- 512MB RAM
- Reduce fragmentation.

3. Features API perspective
•
• Printing Framework
• Screen Recording
• SMS provider.
• Animation pause

4. Features API perspective (Cont..)
• Immersive full-screen mode.
• Translucent system bar.
• External Storage Access.
• Drawable for RTL-layout
• App Permissions
• Special cases with regard to 4.4.0

5. Printing Framework
- No specific printing intent.
- Have to use PrintHelper,PrintDocumentAdapter.
- At last programmatically create PrintPdfDocument.
- Possible workaround
WebView.createPrintDocumentAdapter.

6. Screen Recording
• adb shell screenrecord
• Can protect SurfaceView.setSecure(boolean b)//need further

7. SMS Provider
Required intent filter
- android.provider.Telephony.SMS_DELIVER
- WAP_PUSH_DELIVER_ACTION.
- android.intent.action.SENDTO.
- android.intent.action.RESPOND_VIA_MESSAGE.

8. Animation Pause
- Extending the functionality of Animator
with pause and resume.
- Beside this we also have callback such
AnimatorPauseListener.

9. Immersive full-screen mode
mView.setSystemUiVisibility(
View.SYSTEM_UI_FLAG_IMMERSIVE);

10. Translucent System bar
Child theme by extending.
Theme_Holo_NoActionBar_TranslucentDecor.

11. External Storage Access
•
• READ_EXTERNAL_STORAGE permission for reading
shared files(getExternalStoragePublicDirectory).
• However in-case of app storage we don’t need any
permission.(getExternalFilesDir)

12. Drawable for RTL-Layout
-RTL layout introduced in ICS.
-Specific drawable for RTL locale.
-Can automatically be mirrored while setting.
-Drawable.setAutoMirrored(boolean b) //

13. App Permissions
- INSTALL_SHORTCUT
- UNINSTALL_SHORTCUT

14. Special cases with regard to 4.4.0
- Expansion files
https://code.google.com/p/android/issues/detail?id=61881
- ACTION_GET_CONTENT and PICK Intent
(PREVIOUS)content://media/external/images/media/62
(KITKAT)content://com.android.providers.media.documents/document/image:62