1. Android on Legacy Devices It or Lose It?
- Alin Jerpelea -

2. Hardware
SOC
GPU
RAM
STORAGE
DISPLAY
I/O DEVICES

3. ASK YOURSELF Q: CAN YOU RUN LINUX ON AN PENTIUM WITH 32 Mb RAM A:
YES …. IF YOU ARE PATIENT ENOUGH

4. THE GOOD AND THE BAD Legacy hardware Missing hardware features
No support from SOC manufacturer
Well known platforms
Almost bugfree

5. HARDWARE
DO WE HAVE MINIMUM HARDWARE REQUIREMENT ON ANDROID?

6. ANDROID VERSIONS march 2013

7. WHATS NEW IN ANDROID? 4.3.x 4.2.x 4.1.x 4.0.x
- OpenGL for Embedded Systems 3.0 graphics support
- Logging and analyzing enhancements
- Wi-Fi scanning API
- Improved DRM (digital rights management) API
- VP8 encoding
4.2.x
- Secure USB debugging (allow debugging to authenticated computers only)
- VSYNC timing
- Triple buffering
- Reduced touch latency
- CPU input boost
- Native RTL support - mirrors the display from manifest prop
- External display support - Display Manager
- Nested fragments
- Renderscript Compute - run tasks on the GPU (supported devices)
- Renderscript ScriptGroups, built-in intrinsics like blur,
- FilterScript is a subset of Renderscript made for high performance image processing
4.1.x
- app stack navigation to define a parent activity in manifest for deep navigation
- MediaActionSound class to make sounds like when a camera takes a photo
- NFC supports large payloads over bluetooth
- WIFI/WIFI-Direct service discovery
- Large, detailed, multi-action notifications
- Input manager allows you to query input devices
4.0.x
- Low-level streaming multimedia (Khronos OpenMAX AL
- Grid Layout
- Spell checking service
- Address Space Layout Randomization
- VPN client API
- Remote Device camera enable/disable
- ZSL exposure, continuous focus, and image zoom
- Flags to help control system ui elements like system bar from app

8. “LEGO DEVELOPERS” pressure

9. USER PRESSURE
SUPPORT NEW UP-TO DATE DEVICES OR HACK DEPRECATED ONES TO GET LATEST ANDROID “WORKING”

10. USER FEEDBACK LATEST ANDROID ON LEGACY DEVICES IN LAST 3 YEARS SLOW UI
SLOW GAMES
NO MULTITASKING
LOW FREE RAM …..

11. Q & A
WE HAVE TO DECIDE !