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Yi-Ling Chuang 228bc78bf9 [DO NOT MERGE] Pre-allocate height for contextual cards.

To prevent the UI jank causing by the async card loads, we pre-allocate
some space for the card to fill in. After this change, only one card can
be shown at a time.

More details:
- When the card number configuration is set to 0, don't trigger the card
loader.
- The height adjusting logic is as follows.
When Settings is opened, pre-allocate a space first.
After the RV finish laying out, reset the RV to wrap_content. So if the
card has to be expanded(eg. wifi large mode or dismissal view), then it
will adjust the height accordingly. While if a card previously shown
becomes unavailable(dismissed or conditions not meet), we also reset the
RV so the space can be gone.

Bug: 163288869
Test: robotest
Change-Id: I0dcb2dae8f0533e562ad06f664b7ae7a9afecd21

2020-08-12 21:40:06 +08:00

libs

Update proto for contextual_card_list.

2018-11-06 15:48:03 -08:00

protos

Card showing mechanism change in homepage

2020-02-14 17:44:11 +08:00

res

[DO NOT MERGE] Pre-allocate height for contextual cards.

2020-08-12 21:40:06 +08:00

src/com/android/settings

[DO NOT MERGE] Pre-allocate height for contextual cards.