Recycling Views using convertView == null and ViewHolder

ViewHolder_Pattern_Adapter.java

// This is the @Override getView() portion of the Adapter class - recycles views in order to create a faster 
// and much more efficient UI. Boosts framerates from 15 FPS to 50 FPS due to savvy memory allocation.

private LayoutInflater mInflater;
private List<SomeObject> mList;

// Constructor for Adapter object
public nameOfAdapter(Context context, List<SomeObject> myListOfObjects) {
    mInflater = LayoutInflater.from(context);
    mList = myListOfObjects;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder holder;
    
    if (convertView == null) {
        convertView = mInflater.inflate(R.layout.yourCustomList, parent, false);
        
        holder = new ViewHolder();
        holder.text = (TextView) convertView.findViewById(R.id.textview);
        holder.icon = (ImageView) convertView.findViewById(R.id.imageview);
        convertView.setTag(holder);
        
    
    }
    else {
        holder = (ViewHolder) convertView.getTag();
        
    }
    
    holder.text.setText(DATA[position]);
    holder.icon.setImageBitmap((position & 1) == 1 ? mIcon1 : mIcon2);
    
    return convertView;
}

static class ViewHolder {
    TextView text;
    ImageView icon;
}