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A custom SwipeRefreshLayout that fixes the scroll-up issue with StickyListHeadersListView
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import android.content.Context; | |
import android.support.v4.widget.SwipeRefreshLayout; | |
import android.util.AttributeSet; | |
import se.emilsjolander.stickylistheaders.StickyListHeadersListView; | |
public class CustomSwipeRefreshLayout extends SwipeRefreshLayout { | |
/** | |
* A StickyListHeadersListView whose parent view should be this SwipeRefreshLayout | |
*/ | |
private StickyListHeadersListView mTargetView; | |
public CustomSwipeRefreshLayout(Context context) { | |
super(context); | |
} | |
public CustomSwipeRefreshLayout(Context context, AttributeSet attrs) { | |
super(context, attrs); | |
} | |
public void setTargetView(StickyListHeadersListView targetView) { | |
mTargetView = targetView; | |
} | |
@Override | |
public boolean canChildScrollUp() { | |
if (mTargetView != null) { | |
// In order to scroll a StickyListHeadersListView up: | |
// Firstly, the wrapped ListView must have at least one item | |
return (mTargetView.getListChildCount() > 0) && | |
// And then, the first visible item must not be the first item | |
((mTargetView.getFirstVisiblePosition() > 0) || | |
// If the first visible item is the first item, | |
// (we've reached the first item) | |
// make sure that its top must not cross over the padding top of the wrapped ListView | |
(mTargetView.getListChildAt(0).getTop() < 0)); | |
// If the wrapped ListView is empty or, | |
// the first item is located below the padding top of the wrapped ListView, | |
// we can allow performing refreshing now | |
} else { | |
// Fall back to default implementation | |
return super.canChildScrollUp(); | |
} | |
} | |
} |
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Based on an example code from StackOverflow.