ListView with ITEM_TYPE_COUNT > 1

Mulitiple_Items_Adapter.java

>>ArrayIndexOutOfBoundsException with custom Android Adapter for multiple views in ListView

  Romain Guy said:
      The item view type you are returning from
      getItemViewType() is >= getViewTypeCount().

from http://stackoverflow.com/questions/2596547/arrayindexoutofboundsexception-with-custom-android-adapter-for-multiple-views-in

>>Creating ViewHolders for ListViews with different item layouts

class Adapter extends BaseAdapter {
    ...
    public static final int SIMPLE_MODE = 110;
    public static final int HEADER_MODE = 111;

    public static final int VIEW_TYPE_0_LOCAL_HEADER = 0;
    public static final int VIEW_TYPE_1_LOCAL_ITEMS = 1;
    public static final int VIEW_TYPE_2_SEARCH_HEADER = 2;
    public static final int VIEW_TYPE_3_FOUND_ITEMS = 3;

    public static final int HOW_MANY_VIEW_TYPES_IN_HEADER_MODE = 4;
    
    ...
    @Override
    public int getViewTypeCount() {
        android.util.Log.e(TAG, "int getViewTypeCount(); workingMode=" + workingMode);
        if (workingMode == HEADER_MODE)
            return HOW_MANY_VIEW_TYPES_IN_HEADER_MODE;
        else if (workingMode == SIMPLE_MODE)
            return super.getViewTypeCount();
        else
            throw new RuntimeException("int getItemViewType(int) unknown workingMode");
    }

    @Override
    public int getItemViewType(int position) {
        android.util.Log.e(TAG, "int getItemViewType(int); position=" + position);
        if (workingMode == HEADER_MODE) {
            if (position == 0)
                return VIEW_TYPE_0_LOCAL_HEADER;
            else if (position == chatUsers.size() + 1)
                return VIEW_TYPE_2_SEARCH_HEADER;

            if (position < chatUsers.size() + 1) {
                return VIEW_TYPE_1_LOCAL_ITEMS;
            } else {
                return VIEW_TYPE_3_FOUND_ITEMS;
            }
        } else if (workingMode == SIMPLE_MODE) {
            return VIEW_TYPE_1_LOCAL_ITEMS;
        } else {
            throw new RuntimeException("int getItemViewType(int) unknown workingMode");
        }
    }

    @Override
    public int getCount() {
        if (workingMode == HEADER_MODE) {
            android.util.Log.e(TAG, "int getCount(); return=" + (2 + chatUsers.size() + searchContacts.size()));
            return 2 + chatUsers.size() + searchContacts.size();
        } else if (workingMode == SIMPLE_MODE) {
            android.util.Log.e(TAG, "int getCount(); return=" + (chatUsers.size()));
            return chatUsers.size();
        } else {
            throw new RuntimeException("int getCount() unknown workingMode");
        }
    }

    @Override
    public ChatUser getItem(int position) {
        android.util.Log.e(TAG, "ChatUser getCount(int); position=" + position);

        if (workingMode == HEADER_MODE) {
            int type = getItemViewType(position);

            if (type == VIEW_TYPE_1_LOCAL_ITEMS) {
                android.util.Log.e(TAG, "ChatUser getCount(int); type=" + VIEW_TYPE_1_LOCAL_ITEMS);
                return chatUsers.get(position-1);
            } else if (type == VIEW_TYPE_3_FOUND_ITEMS) {
                android.util.Log.e(TAG, "ChatUser getCount(int); type=" + VIEW_TYPE_3_FOUND_ITEMS);
                return searchContacts.get(position - (chatUsers.size() + 2));
            } else {
                android.util.Log.e(TAG, "ChatUser getCount(int); type=" + type);
                return null;
            }
        } else if (workingMode == SIMPLE_MODE) {
            return chatUsers.get(position);
        }else {
            throw new RuntimeException("ChatUser getItemViewType(int) unknown workingMode");
        }
    }
}