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fix a bug when run on meizu mx 3 #31

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fix a bug when run on meizu mx 3 #31

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29 changes: 19 additions & 10 deletions library/src/za/co/immedia/pinnedheaderlistview/PinnedHeaderListView.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import android.content.Context;
import android.graphics.Canvas;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.*;
Expand Down Expand Up @@ -33,6 +34,7 @@ public static interface PinnedSectionedHeaderAdapter {
private int mCurrentSection = 0;
private int mWidthMode;
private int mHeightMode;
private int firstVisibleItem;

public PinnedHeaderListView(Context context) {
super(context);
Expand Down Expand Up @@ -77,7 +79,7 @@ public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCoun
}
return;
}

this.firstVisibleItem = firstVisibleItem;
firstVisibleItem -= getHeaderViewsCount();

int section = mAdapter.getSectionForPosition(firstVisibleItem);
Expand All @@ -96,7 +98,7 @@ public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCoun
header.setVisibility(VISIBLE);
if (pinnedHeaderHeight >= headerTop && headerTop > 0) {
mHeaderOffset = headerTop - header.getHeight();
} else if (headerTop <= 0) {
} else if (headerTop < 0) {
header.setVisibility(INVISIBLE);
}
}
Expand Down Expand Up @@ -145,14 +147,21 @@ protected void dispatchDraw(Canvas canvas) {
super.dispatchDraw(canvas);
if (mAdapter == null || !mShouldPin || mCurrentHeader == null)
return;
int saveCount = canvas.save();
canvas.translate(0, mHeaderOffset);
canvas.clipRect(0, 0, getWidth(), mCurrentHeader.getMeasuredHeight()); // needed
// for
// <
// HONEYCOMB
mCurrentHeader.draw(canvas);
canvas.restoreToCount(saveCount);
//no headerview
if(firstVisibleItem==0&&getChildAt(firstVisibleItem)!=null&&
getChildAt(firstVisibleItem).getTop()>=0){
return;
}else{
int saveCount = canvas.save();
canvas.translate(0, mHeaderOffset);
canvas.clipRect(0, 0, getWidth(), mCurrentHeader.getMeasuredHeight()); // needed
// for
// <
// HONEYCOMB
mCurrentHeader.draw(canvas);
canvas.restoreToCount(saveCount);
}

}

@Override
Expand Down