java.lang.ArrayIndexOutOfBoundsException: length=12; index=-1

[nileshpambhar]

Hello,

When i have bind listview with real data. i am getting below error. with out scrolling listview it is working fine. but once i scroll page then its crash app.

Please check screenshot

java.lang.ArrayIndexOutOfBoundsException: length=12; index=-1
at java.util.ArrayList.get(ArrayList.java:310)
at com.applidium.headerlistviewdemo.DemoActivity$1.numberOfRows(DemoActivity.java:43)
at com.applidium.headerlistview.HeaderListView$HeaderListViewOnScrollListener.onScroll(HeaderListView.java:151)

Please check my code...

DemoActivity.txt

[HiteshRaviya]

Hello,

inside Headerlistview
boolean prevHasRows = mAdapter.numberOfRows(actualSection - 1) > 0;
Replace boolean prevHasRows = mAdapter.numberOfRows(actualSection ) > 0;

[mortenholmgaard]

There is actually a lot of errors with calls with section -1. For example to hasSectionHeaderView(section)

Another critical one if handling multiple headers with different sizes is the need to add:

            if (actualSection < 0)
                actualSection = 0;

To addSectionHeader(int actualSection)