PawletOS/app_Settings
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Merge "Makes app settings keep scroll position after unistalling apps."

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This commit is contained in:
Jaewoong Jung
2016-12-08 04:31:13 +00:00
committed by Android (Google) Code Review
parent 2a6193df36 a2674f7308
commit b680966748
1 changed files with 16 additions and 0 deletions
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16
src/com/android/settings/applications/ManageApplications.java
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@@ -767,6 +767,12 @@ public class ManageApplications extends InstrumentedPreferenceFragment
private boolean mHasReceivedLoadEntries;
private boolean mHasReceivedBridgeCallback;
// These two variables are used to remember and restore the last scroll position when this
// fragment is paused. We need this special handling because app entries are added gradually
// when we rebuild the list after the user made some changes, like uninstalling an app.
private int mLastIndex = -1;
private int mLastTop;
private AlphabeticIndex.ImmutableIndex<Locale> mIndex;
private SectionInfo[] mSections = EMPTY_SECTIONS;
private int[] mPositionToSectionIndex;
@@ -851,6 +857,10 @@ public class ManageApplications extends InstrumentedPreferenceFragment
mExtraInfoBridge.pause();
}
}
// Record the current scroll position before pausing.
mLastIndex = mManageApplications.mListView.getFirstVisiblePosition();
View v = mManageApplications.mListView.getChildAt(0);
mLastTop = (v == null) ? 0 : (v.getTop() - mManageApplications.mListView.getPaddingTop());
}
public void release() {
@@ -971,6 +981,12 @@ public class ManageApplications extends InstrumentedPreferenceFragment
}
notifyDataSetChanged();
// Restore the last scroll position if the number of entries added so far is bigger than
// it.
if (mLastIndex != -1 && getCount() > mLastIndex) {
mManageApplications.mListView.setSelectionFromTop(mLastIndex, mLastTop);
mLastIndex = -1;
}
if (mSession.getAllApps().size() != 0
&& mManageApplications.mListContainer.getVisibility() != View.VISIBLE) {