Android/Lollipop(5.0): Difference between revisions
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== Source code == |
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Google released Lollipop source code on 4th November 2014. |
Google released Lollipop source code on 4th November 2014. |
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Android 5.0 for XO-4 is in active development status. Any contribution would be much appreciated. |
Android 5.0 for XO-4 is in active development status. Any contribution would be much appreciated. |
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Currently the graphics are almost working. Developers |
Currently the graphics are almost working. Developers are welcomed to peek/compile the repositories. 04/12/2014. |
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* use Repo to download the Android source from github repositories. |
* use Repo to download the Android source from github repositories. |
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| Line 10: | Line 12: | ||
$ repo sync |
$ repo sync |
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* Note: only engineer build is usable, user build can't be booted since SELinux feature hasn't been adapted. |
* Note: only engineer build is usable, user build can't be booted since [https://source.android.com/devices/tech/security/se-linux.html SELinux] feature hasn't been adapted. |
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== Test build== |
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A test build can be downloaded here, [http://dev.laptop.org/~ben/lollipop_20150203.zd testbuild_20150203] |
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===Archives=== |
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*[http://dev.laptop.org/~ben/lollipop_20141203.zd testbuild_20141203] |
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==Check List== |
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{| border="1" cellpadding="6" |
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| Graphics |
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|- |
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| [https://source.android.com/devices/low-ram.html#kernel Kernel tuning] |
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|- |
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| WIFI |
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|- |
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| BT |
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|- |
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| Accelerometer sensor tuning |
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|- |
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| Camera |
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|- |
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| Codec |
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|- |
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| SELinux |
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|- |
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| Power Manager |
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|- |
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|} |
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==Status update (03/02/2015)== |
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*Graphics |
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HWC works fine. |
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OpenGL 3D has problem with gpu driver. |
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System alert dialog has color mismatching. |
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*Kernel tuning |
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Opened KSM in kernel. [https://github.com/suyouxin/android_vendor_olpc_xo4/commit/b7ba070237f84e1bf434d183d2235c3d7fff40eb configuare] [http://dev.laptop.org/git/olpc-kernel/commit/?h=arm-3.5-android&id=a838345bdeaad101134a7e6623013e6cf11f9650 kernel patch] |
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Backported zram in kernel [https://github.com/suyouxin/android_vendor_olpc_xo4/commit/e0857cefd4443404c08d5ec35a41cdb8cdf6946f configuare] [http://dev.laptop.org/git/olpc-kernel/commit/?h=arm-3.5-android&id=b45208e4759acbf5dc601caa0efbcba7ba7b87d1 kernel patch] |
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Need more testing, some time at first boot, kernel panic since out of memory. |
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*WIFI |
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Merged patches from 4.3.1, works, ported Wifi changes using broadcom WifiHAL source code. Waiting for Marvell release these new HAL code. |
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*BT |
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Merged patches from 4.3.1, works. [https://github.com/suyouxin/android_external_bluetooth_bluedroid/commit/75606302b35286f8b83abf442c0f95107ad8a5ca patch] |
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* Accelerometer sensor tuning |
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Android 5.0 added a few more parameters for Accelerometer HAL, needs verification. [https://github.com/suyouxin/android_vendor_olpc_xo4/blob/android-5.0.0-xo4/libsensors/libsensor_lsm3dh.cpp code] |
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* SELinux |
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User build boot failed, since can't mount selinux file system. |
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* Power Manager |
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System can't go to sleep. |
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* Camera |
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Haven't started to port. |
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* Codec |
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Haven't started to port. Reversed to use software codec to play music. |
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* Gapps |
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Haven't started to port. |
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* Some known problems |
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**W/libprocessgroup( 385): failed to open /acct/uid_10005/pid_896/cgroup.procs: No such file or directory |
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Latest revision as of 20:05, 3 February 2015
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 downloaded here, testbuild_20150203
Archives
Check List
| Graphics |
| Kernel tuning |
| WIFI |
| BT |
| Accelerometer sensor tuning |
| Camera |
| Codec |
| SELinux |
| Power Manager |
Status update (03/02/2015)
- Graphics
HWC works fine. OpenGL 3D has problem with gpu driver. System alert dialog has color mismatching.
- Kernel tuning
Opened KSM in kernel. configuare kernel patch Backported zram in kernel configuare kernel patch Need more testing, some time at first boot, kernel panic since out of memory.
- WIFI
Merged patches from 4.3.1, works, ported Wifi changes using broadcom WifiHAL source code. Waiting for Marvell release these new HAL code.
- BT
Merged patches from 4.3.1, works. patch
- Accelerometer sensor tuning
Android 5.0 added a few more parameters for Accelerometer HAL, needs verification. code
- 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. Reversed to use software codec to play music.
- 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