Populate listview from arraylist of objects Populate listview from arraylist of objects android android

Populate listview from arraylist of objects


In your activity

AdapterPerson adbPerson;ArrayList<Person> myListItems  = new ArrayList<Person>();//then populate myListItems  adbPerson= new AdapterPerson (youractivity.this, 0, myListItems);listview.setAdapter(adbPerson);

Adapter

public class AdapterPerson extends ArrayAdapter<Person> {    private Activity activity;    private ArrayList<Person> lPerson;    private static LayoutInflater inflater = null;    public AdapterPerson (Activity activity, int textViewResourceId,ArrayList<Person> _lPerson) {        super(activity, textViewResourceId, _lProducts);        try {            this.activity = activity;            this.lPerson = _lPerson;            inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);        } catch (Exception e) {        }    }    public int getCount() {        return lPerson.size();    }    public Product getItem(Product position) {        return position;    }    public long getItemId(int position) {        return position;    }    public static class ViewHolder {        public TextView display_name;        public TextView display_number;                 }    public View getView(int position, View convertView, ViewGroup parent) {        View vi = convertView;        final ViewHolder holder;        try {            if (convertView == null) {                vi = inflater.inflate(R.layout.yourlayout, null);                holder = new ViewHolder();                holder.display_name = (TextView) vi.findViewById(R.id.display_name);                holder.display_number = (TextView) vi.findViewById(R.id.display_number);                vi.setTag(holder);            } else {                holder = (ViewHolder) vi.getTag();            }            holder.display_name.setText(lProducts.get(position).name);            holder.display_number.setText(lProducts.get(position).number);        } catch (Exception e) {        }        return vi;    }}


This is my solution to the custom list adapter problem.First a custom arrayadapter:

public class MemoListAdapter extends ArrayAdapter<MemoEntry> {private int layoutResourceId;private static final String LOG_TAG = "MemoListAdapter";public MemoListAdapter(Context context, int textViewResourceId) {    super(context, textViewResourceId);    layoutResourceId = textViewResourceId;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {    try {        MemoEntry item = getItem(position);        View v = null;        if (convertView == null) {            LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);            v = inflater.inflate(layoutResourceId, null);        } else {            v = convertView;        }        TextView header = (TextView) v.findViewById(R.id.list_memo_item_header);        TextView description = (TextView) v.findViewById(R.id.list_memo_item_text);        header.setText(item.getHeader());        description.setText(item.getValue());        return v;    } catch (Exception ex) {        Log.e(LOG_TAG, "error", ex);        return null;    }}

}

and in the onCreate method of the activity:

adapter = new MemoListAdapter(this, R.layout.list_memo_item_layout); // the adapter is a member field in the activitysetContentView(R.layout.activity_view_memo_layout);ListView lv = (ListView) findViewById(R.id.view_memo_memo_list);lv.setAdapter(adapter);

and then i fill the adapter after some fetching with a call like this:

ArrayList<MemoEntry> memoList = new ArrayList<MemoEntry>(); //here you should use a list with some content in itadapter.addAll(memoList);

So to adapt this to your solution, create your own customadapter, and instead of my object MemoEntry, use your Person class.In the getView method, change it to suit your needs. It's about the same as what i'm doing so shouldn't be too hard.

Hope this helps you a bit!