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Using inbuild smooth scroller instead of custom fastscrolling logic

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Change-Id: I9208720c3bf164bd664e5bacd75b672573fe7601
This commit is contained in:
Sunny Goyal
2020-04-17 16:31:40 -07:00
parent f01f25b579
commit 355e845851
4 changed files with 69 additions and 209 deletions
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17
src/com/android/launcher3/allapps/AllAppsRecyclerView.java
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@@ -53,12 +53,12 @@ import java.util.List;
public class AllAppsRecyclerView extends BaseRecyclerView implements LogContainerProvider {
private AlphabeticalAppsList mApps;
private AllAppsFastScrollHelper mFastScrollHelper;
private final int mNumAppsPerRow;
// The specific view heights that we use to calculate scroll
private SparseIntArray mViewHeights = new SparseIntArray();
private SparseIntArray mCachedScrollPositions = new SparseIntArray();
private final SparseIntArray mViewHeights = new SparseIntArray();
private final SparseIntArray mCachedScrollPositions = new SparseIntArray();
private final AllAppsFastScrollHelper mFastScrollHelper;
// The empty-search result background
private AllAppsBackgroundDrawable mEmptySearchBackground;
@@ -85,6 +85,7 @@ public class AllAppsRecyclerView extends BaseRecyclerView implements LogContaine
mEmptySearchBackgroundTopOffset = res.getDimensionPixelSize(
R.dimen.all_apps_empty_search_bg_top_offset);
mNumAppsPerRow = LauncherAppState.getIDP(context).numColumns;
mFastScrollHelper = new AllAppsFastScrollHelper(this);
}
/**
@@ -92,7 +93,6 @@ public class AllAppsRecyclerView extends BaseRecyclerView implements LogContaine
*/
public void setApps(AlphabeticalAppsList apps) {
mApps = apps;
mFastScrollHelper = new AllAppsFastScrollHelper(this, apps);
}
public AlphabeticalAppsList getApps() {
@@ -221,9 +221,6 @@ public class AllAppsRecyclerView extends BaseRecyclerView implements LogContaine
return "";
}
// Stop the scroller if it is scrolling
stopScroll();
// Find the fastscroll section that maps to this touch fraction
List<AlphabeticalAppsList.FastScrollSectionInfo> fastScrollSections =
mApps.getFastScrollerSections();
@@ -236,10 +233,7 @@ public class AllAppsRecyclerView extends BaseRecyclerView implements LogContaine
lastInfo = info;
}
// Update the fast scroll
int scrollY = getCurrentScrollY();
int availableScrollHeight = getAvailableScrollHeight();
mFastScrollHelper.smoothScrollToSection(scrollY, availableScrollHeight, lastInfo);
mFastScrollHelper.smoothScrollToSection(lastInfo);
return lastInfo.sectionName;
}
@@ -257,7 +251,6 @@ public class AllAppsRecyclerView extends BaseRecyclerView implements LogContaine
mCachedScrollPositions.clear();
}
});
mFastScrollHelper.onSetAdapter((AllAppsGridAdapter) adapter);
}
@Override