diff options
| author | Dennis Song <denniscy@google.com> | 2022-10-31 02:23:53 +0000 |
|---|---|---|
| committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2022-10-31 02:23:53 +0000 |
| commit | 31f94b53210194e6a4f5d694a7ed38b76b75092d (patch) | |
| tree | 28f4d03d8646a7e82a076371a7d1cbb732632169 | |
| parent | 038675f3c94a5c8b565ffb201b28cff2ccd9a9d0 (diff) | |
| parent | 0170eba51045fbb00eea6cbde146462dbc415f9a (diff) | |
| download | common-31f94b53210194e6a4f5d694a7ed38b76b75092d.tar.gz | |
Merge "Add document for GSI specific packages" am: 0170eba510
Original change: https://android-review.googlesource.com/c/device/generic/common/+/2266746
Change-Id: Id1c17d93c2d88f3ab421697cb87131e187892205
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
| -rw-r--r-- | README.md | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/README.md b/README.md new file mode 100644 index 0000000..0938785 --- /dev/null +++ b/README.md @@ -0,0 +1,24 @@ +# GSI + +This document introduces special GSI settings for facilitating xTS-on-GSI with +a single image. + +## Changes in runtime resource overlays (RRO) + +### SystemUI overlays + +Some devices access the private android framework resource by `@*android:` +while overlaying their SystemUI setting `status_bar_header_height_keyguard`. +However, referencing private framework resource IDs from RRO packages in the +vendor partition crashes on these devices when GSI is used. This is because +private framework resource don't have a stable ID, and these vendor RRO +packages would be referencing to dangling resource references after GSI is +used (b/245806899). + +In order to prevent SystemUI crash, GSI adds a runtime resource overlay in +the system_ext partition, which have higher overlay precedence than RROs on +vendor partition, so the problematic vendor RROs would be overridden. + +Lifetime of this package: +* Starts at: Android 14. +* Deprecation plan: TBD, depends on b/254581880. |