Android/Lollipop(5.0)

Source code

Google released Lollipop source code on 4th November 2014.

Android 5.0 for XO-4 is in active development status. Any contribution would be much appreciated.

Currently the graphics are almost working. Developers are welcomed to peek/compile the repositories. 04/12/2014.

• use Repo to download the Android source from github repositories.

$ repo init -u git://github.com/suyouxin/android_manifest.git -b android-5.0.0-xo4
$ repo sync

• Note: only engineer build is usable, user build can't be booted since SELinux feature hasn't been adapted.

Test build

 A test build can be download here, testbuild

TODO List

Graphics

Kernel tuning

WIFI

BT

Accelerometer sensor tuning

Camera

Codec

SELinux

Power Manager

Status update (04/12/2014)

• Graphics

  OpenGL and HWC works fine, but Bufferqueue has problem when application try to dequeue buffer sometimes, here is a ugly fix of this problem

• Kernel tuning

 Opened KSM in kernel. configuare
 Backported zram in kernel configuare
 Need more testing, some time at first boot, kernel panic out of memory.

• WIFI

 Merged patches from 4.3.1, doesn't work, needs diagnosis.

• BT

 Merged patches from 4.3.1, works.

• Accelerometer sensor tuning

 Android 5.0 added a few more parameters for Accelerometer HAL, needs verification.

• SELinux

 User build boot failed, since can't mount selinux file system.

• Power Manager

 System can't go to sleep.

• Camera

 Haven't started to port.

• Codec

 Haven't started to port.

• Gapps

 Haven't started to port.

• Some known problems
  • W/libprocessgroup( 385): failed to open /acct/uid_10005/pid_896/cgroup.procs: No such file or directory
  • System alert colour miss match.