我有一个问题，当我们单击特定组打开时，我的 grouptext 会自动更改。我无法找到这个问题的根源。请向我建议任何有关相同的解决方案。
打开后：
代码（可扩展适配器）：
public class ExpResearchListAdapter extends BaseExpandableListAdapter {
// Sample data set. children[i] contains the children (String[]) for
// groups[i].
Context context;
private String[] groups = { "Research by Brand", "Research by Category",
"Research by Price" , "Research by Fuel Economy", "Recently Viewed"};
GridView label;
TextView groupText;
String group;
ImageView groupImg;
//ArrayList<String> groups = new ArrayList<String>();
ArrayList<Integer> groupImage = new ArrayList<Integer>();
ArrayList<Integer> childElement = new ArrayList<Integer>();
private Integer[][] children = {
{ R.drawable.icon_1, R.drawable.icon_2, R.drawable.icon_3, R.drawable.icon_4, R.drawable.icon_5, R.drawable.icon_6, R.drawable.icon_7, R.drawable.icon_8, R.drawable.icon_9,
R.drawable.icon_10, R.drawable.icon_11, R.drawable.icon_12, R.drawable.icon_13, R.drawable.icon_14, R.drawable.icon_15, R.drawable.icon_16, R.drawable.icon_17, R.drawable.icon_18,
R.drawable.icon_19, R.drawable.icon_20, R.drawable.icon_21, R.drawable.icon_22, R.drawable.icon_23, R.drawable.icon_24, R.drawable.icon_25, R.drawable.icon_26, R.drawable.icon_27,
R.drawable.icon_28, R.drawable.icon_29, R.drawable.icon_30, R.drawable.icon_31, R.drawable.icon_32, R.drawable.icon_33, R.drawable.icon_34, R.drawable.icon_35, R.drawable.icon_36,
R.drawable.icon_37, R.drawable.icon_38, R.drawable.icon_39, R.drawable.icon_40, R.drawable.icon_41, R.drawable.icon_42, R.drawable.icon_43, R.drawable.icon_44, R.drawable.icon_45,
R.drawable.icon_46}
};
LinearLayout linear;
public ExpResearchListAdapter(Context context, ArrayList<String> groups, ArrayList<Integer> groupImage, ArrayList<Integer> childElement, LinearLayout linear)
{
this.context=context;
//this.groups = groups;
this.groupImage = groupImage;
this.childElement = childElement;
this.linear = linear;
}
public Object getChild(int groupPosition, int childPosition) {
return children[groupPosition][childPosition];
}
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
public int getChildrenCount(int groupPosition) {
int i = 0;
try {
i = children[groupPosition].length;
} catch (Exception e) {
}
return 1;
}
public View getChildView(int groupPosition, int childPosition,
boolean isLastChild, View convertView, ViewGroup parent) {
if(convertView==null)
{
LayoutInflater inflater = LayoutInflater.from(context);
convertView = (View) inflater.inflate(R.layout.brand_research_grid, null);
label = (GridView) convertView.findViewById(R.id.gv_ResearchList_Child);
label.setAdapter(new GridAdapter(context, childElement));
label.setCacheColorHint(Color.WHITE);
// initialize the following variables (i've done it based on your layout
// note: rowHeightDp is based on my grid_cell.xml, that is the height i've
// assigned to the items in the grid.
//final int spacingDp = 20;
final int colWidthDp = 50;
final int rowHeightDp = (childElement.size()/3)*10;
//final int rowHeightDp = 107;
// convert the dp values to pixels
//final float COL_WIDTH = context.getResources().getDisplayMetrics().density * colWidthDp;
final float COL_WIDTH = 10;
//final float ROW_HEIGHT = context.getResources().getDisplayMetrics().density * rowHeightDp;
final float ROW_HEIGHT = 107f;
final float SPACING = context.getResources().getDisplayMetrics().density * 0;
System.out.println("===================================RowHeight"+ROW_HEIGHT);
System.out.println("===================================RowHeightDP"+rowHeightDp);
// calculate the column and row counts based on your display
final int colCount = (int)Math.floor((linear.getWidth() - (2 * SPACING)) / (COL_WIDTH + SPACING));
final int rowCount = (int)Math.ceil((childElement.size() + 0d) / 3);
//final int rowCount = 16;
// calculate the height for the current grid
final int GRID_HEIGHT = Math.round(rowCount * (ROW_HEIGHT + SPACING));
System.out.println("===================================GHieght"+GRID_HEIGHT);
System.out.println("===================================colCount"+colCount);
System.out.println("===================================rowCount"+rowCount);
// set the height of the current grid
label.getLayoutParams().height = GRID_HEIGHT;
}
return convertView;
}
public Object getGroup(int groupPosition) {
//return groups.get(groupPosition);
return groups[groupPosition];
}
public int getGroupCount() {
return groups.length;
}
public long getGroupId(int groupPosition) {
return groupPosition;
}
public View getGroupView(int groupPosition, boolean isExpanded,
View convertView, ViewGroup parent) {
if (convertView == null) {
LayoutInflater infalInflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = infalInflater.inflate(
R.layout.research_list_exp_group, null);
groupText = (TextView) convertView
.findViewById(R.id.tv_ResearchList_ExpParentElement);
groupImg = (ImageView) convertView
.findViewById(R.id.img_ResearchList_GroupParentImage);
group = (String) getGroup(groupPosition);
// convertView.setClickable(false);
groupText.setText(groups[groupPosition]);
groupImg.setImageResource(groupImage.get(groupPosition));
}
return convertView;
}
public boolean isChildSelectable(int groupPosition, int childPosition) {
return true;
}
public boolean hasStableIds() {
return true;
}
}
提前致谢。