Don't move focus to RecyclerView

To scroll a RecyclerView, we can focus on it directly, but we
shouldn't move focus to it via rotating or nudging the rotary
controller if it has a descendant to take focus.

Fixes: 160924453
Test: manual test and atest CarRotaryControllerRoboTests
Change-Id: Id52d6c4276447e3203a3ec19f7865550032b4b6d
4 files changed
tree: 9656a0909a69e8d9d93a817076ccf2f843d8e5d1
  1. res/
  2. src/
  3. tests/
  4. Android.bp
  5. AndroidManifest.xml
  6. OWNERS
  7. readme.md
readme.md

Car rotary service

Building

make CarRotaryController -j64

Enable/disable RotaryService

To enable, run:

adb shell settings put secure enabled_accessibility_services com.android.car.rotary/com.android.car.rotary.RotaryService

To disable, run:

adb shell settings delete secure enabled_accessibility_services

Inject events

Inject RotaryEvent

To rotate the controller counter-clockwise, run:

adb shell cmd car_service inject-rotary

For clockwise, run:

adb shell cmd car_service inject-rotary -c true

To rotate the controller multiple times (100 ms ago and 50 ms ago), run:

adb shell cmd car_service inject-rotary -dt 100 50

Inject KeyEvent

To nudge the controller up, run:

adb shell cmd car_service inject-key 280

Use KeyCode 280 for nudge up, 281 for nudge down,282 for nudge left,283 for nudge right.

To click the controller center button, run:

adb shell cmd car_service inject-key 23