Created
November 26, 2018 06:27
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detect AppBarLayout collapsed or expanded.
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| appbar.addOnOffsetChangedListener(AppBarLayout.OnOffsetChangedListener { appBarLayout, verticalOffset -> | |
| if(Math.abs(verticalOffset) - appBarLayout.totalScrollRange == 0) { | |
| // collapse | |
| } else { | |
| // expanded | |
| } | |
| }) |
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