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androidlistviewandroid-cursoradapter

cursoradapter with different row layouts


I'm trying to create a custom cursoradapter that will use two different layouts depending on some data in the cursor. I keep reading about 'overriding getViewTypeCount() and getItemViewType()' to make this happen but I can't seem to figure out how to implement this..

This is my code for the bindView and new View methods:

@Override
public void bindView(View view, Context context, Cursor cursor) {
    TextView tView = (TextView) view.findViewById(R.id.TextView1);
    tView.setText("The text");
}

@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
    return mInflater.inflate(R.layout.item1, parent, false);
}

.

EDIT: Now I got this working, but I want to choose what rowlayout to use depending on some data in the cursor and I can't get that working.. anybody got some ideas?

@Override
public int getItemViewType(int position) {
    return position % 2;
}

@Override
public int getViewTypeCount() {
    return 2;
}

@Override
public void bindView(View view, Context context, Cursor cursor) {
    ViewHolder holder = (ViewHolder) view.getTag();
    holder.txtAddress
            .setText("blabla");
}

@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
    ViewHolder holder = new ViewHolder();
    View v = null;
    int type = cursor.getPosition() % 2;
    if(type == 0) {
        v = mInflater.inflate(R.layout.item, parent, false); 
    } else {
        v = mInflater.inflate(R.layout.item2, parent, false);
    }

    holder.txtAddress = (TextView) v.findViewById(R.id.tvName);

    v.setTag(holder);
    return v;
}

Solution

  • So I finally got it work. For the ones interested the working code is below:

    private int getItemViewType(Cursor cursor) {
        String type = cursor.getString(cursor.getColumnIndex("type"));
        if (type.equals("1")) {
            return 0;
        } else {
            return 1;
        }
    }
    
    @Override
    public int getItemViewType(int position) {
        Cursor cursor = (Cursor) getItem(position);
        return getItemViewType(cursor);
    }
    
    @Override
    public int getViewTypeCount() {
        return 2;
    }
    
    @Override
    public void bindView(View view, Context context, Cursor cursor) {
        ViewHolder holder = (ViewHolder) view.getTag();
        holder.textView
                .setText(cursor.getString(cursor.getColumnIndex("body")));
    }
    
    @Override
    public View newView(Context context, Cursor cursor, ViewGroup parent) {
        ViewHolder holder = new ViewHolder();
        View v = null;
    
        if (cursor.getString(cursor.getColumnIndex("type")).equals("1")) {
            v = mInflater.inflate(R.layout.message1, parent, false);
            holder.textView = (TextView) v
                    .findViewById(R.id.textView1);
        } else {
            v = mInflater.inflate(R.layout.message2, parent, false);
            holder.textView = (TextView) v
                    .findViewById(R.id.textView2);
        }
    
        v.setTag(holder);
        return v;
    }
    
    public static class ViewHolder {
        public TextView textView;
    }