小编kam*_*mal的帖子

我正在开发expandablelistview,但我无法获得可扩展的listView,请提前帮助我在代码中出错

CodeMainActicity.java

 public class CodeMainActicity extends Activity {
    private ExpandListAdapter ExpAdapter;
    private ArrayList<ExpandListGroup> ExpListItems;
    private ExpandableListView ExpandList;
    public String[] groups = null;
    public String[][] headers = null;
    DisplayMetrics metrics;
    int width;

    public int GetDipsFromPixel(float paramFloat) {
        return (int) (0.5F + paramFloat
                * getResources().getDisplayMetrics().density);
    }

    public ArrayList<ExpandListGroup> SetStandardGroups() {
        ArrayList<ExpandListGroup> localArrayList1 = new ArrayList<ExpandListGroup>();
        int i = 0;
        if (i >= groups.length) {
            return localArrayList1;
        }
        ExpandListGroup localExpandListGroup = new ExpandListGroup();
        localExpandListGroup.setName(groups[i]);
        ArrayList<ExpandListChild> localArrayList2 = new ArrayList<ExpandListChild>();
        for (int j = …