Android/Lollipop(5.0)

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.

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, doesn't work, needs diagnosis.

• 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 start to port.

• Codec

 Haven't start to port.

• Gapps

 Haven't start to port.

• Some known problem

 W/libprocessgroup(  385): failed to open /acct/uid_10005/pid_896/cgroup.procs: No such file or directory