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Felix Stern e729560d11 Update the server visibility before layout

The changes in [1] were making sure that another layout traversal takes
place, if the IME was not drawn before, but is now drawn. To address the
redundant window layout, this CL introduces `onPreLayout`, which sets
the serverVisibility. As we need the previous visibility state in the
ImeInsetsSourceProvider to reset the statsToken if needed, we store it
as well.

[1]: Ibbc76dc7f3963e6c2fa1b7f15208fc69b2c8e1b5

Bug: 427863960
Bug: 427117834
Test: atest ImeInsetsSourceProviderTest#testOnPreLayout_resetServerVisibilityWhenImeIsNotDrawn
Test: atest com.android.server.wm.DisplayPolicyLayoutTests
Test: atest KeyboardVisibilityControlTest#testDialogPositionChangedAfterImeIsShown
Flag: android.view.inputmethod.set_server_visibility_onprelayout
Change-Id: I314d6d445a5aa1c8fab73689b259239dccc6f629

2025-07-09 12:03:49 +00:00

res/xml

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src/android/inputmethod

Update the server visibility before layout

2025-07-09 12:03:49 +00:00

Android.bp

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AndroidManifest.xml

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AndroidTest.xml

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OWNERS

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README.md

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README.md

IMF performance tests

These tests are adaptation of Window Manager perf tests (apct-tests/perftests/windowmanager).

Precondition

To reduce the variance of the test, if perf-setup (platform_testing/scripts/perf-setup) is available, it is better to use the following instructions to lock CPU and GPU frequencies.

m perf-setup
PERF_SETUP_PATH=/data/local/tmp/perf-setup.sh
adb push $OUT/$PERF_SETUP_PATH $PERF_SETUP_PATH
adb shell chmod +x $PERF_SETUP_PATH
adb shell $PERF_SETUP_PATH

Example to run

Use atest

atest ImePerfTests:ImePerfTest -- \
      --module-arg ImePerfTests:instrumentation-arg:profiling-iterations:=20

Note: instrumentation-arg:kill-bg:=true is already defined in the AndroidText.xml

Use am instrument

adb shell am instrument -w -r -e class android.inputmethod.ImePerfTest \
          -e listener android.inputmethod.ImePerfRunPrecondition \
          -e kill-bg true \
          com.android.perftests.inputmethod/androidx.test.runner.AndroidJUnitRunner

kill-bg is optional.

Test arguments

kill-bg
- boolean: Kill background process before running test.
profiling-iterations
- int: Run the extra iterations with enabling method profiling.
profiling-sampling
- int: The interval (0=trace each method, default is 10) of sample profiling in microseconds.