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Check false taps and touches on seekbar change listener whenever touch
is finished. This ensures that all falsing actions are handled besides
OnFling events that are handled.
Bug: 243040927
Test: manual
Test: atest SeekBarViewModelTest
Change-Id: I60bcc3196cc2a4b3410c7851f798bfaf87d9e456
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When media controls are shown, the full qs+media controls often takes
up more than one full screen. Swiping up on this causes the qs to
vertically scroll instead of collapse.
Prior to this cl, we weren't analyzing such swipes in the
FalsingManager. Now we do.
No explicit action is taken in the event of a false swipe. It simply
gives us more signal. Enough bad swipes may implicitly cause the
lock screen to reset itself.
Fixes: 241708312
Test: manual
Change-Id: I5adfb3a22b2f0f51efb87d56a6cfc5459cd67006
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If the touch leaves the lock icon area, we already drop the touch.
Therefore, we don't also need to also take into consideration the
ZigZagClassifier for the lock icon.
Also, only play the longpress vibration if we will be bringing
up the bouncer. If the FalsingManager think we're falsing, there's no reason to play
the longpress vibration.
Test: manually longpress lock icon on device with
udfps capability (after lockdown or reboot) and observe
longpress consistently brings up the bouncer
Fixes: 197271526
Change-Id: Ic9fa82a549599e48d281b4db69c04627803c6c5a
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Ensure that gestures on the expanded notification shade are picked up
properly by the FalsingManager. This adds `SHADE_DRAG` and
`QS_COLLAPSE` falsing interaction types to cover these cases.
Also, try to limit calling on the FalsingManager until a gesture is
actually ready to occur, instead of querying it while deciding what
the current gesture is.
Fixes: 184042853
Test: manual
Change-Id: I1f651614d4d1520bac1a2375319f69fb1017505f
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This ensures that interactions with the BrightnessSlider are
classified as valid gestures by the FalsingManager.
Bug: 172655679
Test: manual
Change-Id: Ifeb235befc6b1342fc64b671b7704d0fdaa39349
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Makes the FalsingManager slightly less stateful (passing the
interaction type directly to the classifiers as needed). It also
includes more logging than we had before, listing all the failed
classifiers for a gesture, along with the HistoryTracker's
belief and confidence.
Logs are now delayed one gesture. Instead of immediately logging when
a falsing call is made, it waits until the gesture is marked as
complete. This confers two advantages:
1) If multiple calls to #isFalseGesture (and similar) are made, we
don't log multiple times. We only log the result once.
2) It allows us to log the effects on the HistoryTracker, as that only
updates itself when the gesture is marked as completed.
Bug: 172655679
Test: atest SystemUITests && manual
Change-Id: I653ac2abb03a91ff000b46075e58137b04226023
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This uses the HistoryTracker on pin-based input to determine if a
tap outside of an intended region is a false touch, retracting the
pin input if we believe pocket dialing is occuring.
To do this, the cl properly integrates the HistoryTracker into
falsing, at least for single taps.
Most importantly, HistoryTracker#falsingBelief now return 0.5 when
it is unsure if a tap is false or not, and tends towards 0 when it
believes it's valid and 1 when it believes it's false.
HistoryTracker#falsingConfidence remains unchanged.
Test: atest SystemUITests && manual
Bug: 172655679
Change-Id: Ie771b1bf8ac564af7ffb68e190772fff5c562e89
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Clasifiers now return a Result object on all their classification
methods. The Result object now contains the "reason" for falsing
instead of asking the Classifier for the reason after the fact.
Bug: 172655679
Test: atest SystemUITests
Change-Id: I0865f18cbae9367c203936fbbc3923de55c81007
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This institutes a HistoryTracker mechanism that will allow the
FalsingManager to take recent activity into account when classifying
gestures. The HistoryTracker returns a penalty that is pased to each
classifier for them to use when making decisions.
As of right now, no classifier actually uses the history penalty when
making a classification decision.
The HistoryTracker keeps records of the last 3 seconds of falsing
results, applying a decaying penalty to the results over time. It also
assigns a confidence to its results, based on how consistent they are.
Each individual classifier is also able to return a confidence score
now, such that, if they are not confident in their decision, they
don't throw off the score that gets stored in the HistoryTracker.
Confidences currently returned by the classifiers are somewhat
arbitrary and should be adjusted in future CLs.
Everything is currently open for adjustment:
- The length of history
- The decay function applied to history
- The method by which our confidence in the history is calculated
- The confidence returned by each individual classfier
- How the history penalty is taken into account by each classifier
- ... and probably more.
Bug: 172655679
Test: atest SystemUITests
Change-Id: Ief2a5144a0cda659c7d78ed6e489231d481b6872
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Sets up some more dagger injection and removes all the
"new Classifier(...)" from its constructor, allowing them
to come from outside.
Bug: 172655679
Test: atest SystemUITests
Change-Id: I916de7d5ee60ec2183c6401ec222867fc5eff823
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