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fix computeAlignOffset error when there is a header

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This commit is contained in:
longerian
2017-08-29 22:51:43 +08:00
parent acad4f5696
commit bd9c57b53f
1 changed files with 9 additions and 15 deletions
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vlayout/src/main/java/com/alibaba/android/vlayout/layout/OnePlusNLayoutHelper.java
+9 -15
View File
@@ -34,6 +34,7 @@ import android.view.ViewGroup;
import com.alibaba.android.vlayout.LayoutManagerHelper;
import com.alibaba.android.vlayout.OrientationHelperEx;
import com.alibaba.android.vlayout.Range;
import com.alibaba.android.vlayout.VirtualLayoutManager;
import com.alibaba.android.vlayout.VirtualLayoutManager.LayoutStateWrapper;
@@ -250,8 +251,8 @@ public class OnePlusNLayoutHelper extends AbstractFullFillLayoutHelper {
Arrays.fill(mChildrenViews, null);
Arrays.fill(mContentViews, null);
mHeader = null;
mFooter = null;
//mHeader = null;
//mFooter = null;
}
@@ -266,19 +267,12 @@ public class OnePlusNLayoutHelper extends AbstractFullFillLayoutHelper {
@Override
public int computeAlignOffset(int offset, boolean isLayoutEnd, boolean useAnchor,
LayoutManagerHelper helper) {
if (getItemCount() == 3) {
if (offset == 1 && isLayoutEnd) {
Log.w(TAG, "Should not happen after adjust anchor");
return 0;
}
} else if (getItemCount() == 4) {
if (offset == 1 && isLayoutEnd) {
return 0;
}
} else if (getItemCount() == 5) {
if (offset == 1 && isLayoutEnd) {
return 0;
}
if (offset == 1 && isLayoutEnd) {
Log.w(TAG, "Should not happen after adjust anchor without header");
return 0;
} else if (offset == 1 && useAnchor) {
Log.w(TAG, "Happens when header scroll out of windown and layoutManager use first content view as anchor to layout");
return -mMarginTop - mPaddingTop - (mHeader != null ? mHeader.getMeasuredHeight() : 0);
}
if (helper.getOrientation() == VERTICAL) {