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copied!<p>Try the below. have a arraylist. add string to arraylist and call notifiydatasetchanged() on your adapter</p> <pre><code>public class MainActivity extends ListActivity { stableArrayAdapter adapter; ListView lstView; ArrayList<String> Target = new ArrayList<String>(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); lstView = getListView(); lstView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); lstView.setTextFilterEnabled(true); Target.add("hi"); Target.add("hello"); adapter = new stableArrayAdapter(this,android.R.layout.simple_list_item_checked, Target); setListAdapter(adapter); Target.add("myname"); adapter.notifyDataSetChanged(); } class stableArrayAdapter extends ArrayAdapter<String> { public stableArrayAdapter(Context context, int textViewResourceId, ArrayList<String> target) { super(context, textViewResourceId, target); } @Override public int getCount() { // TODO Auto-generated method stub return Target.size(); } @Override public String getItem(int position) { // TODO Auto-generated method stub return Target.get(position); } @Override public int getPosition(String item) { // TODO Auto-generated method stub return super.getPosition(item); } @Override public boolean hasStableIds() { return true; } } } </code></pre> <p>As ken suggested.</p> <pre><code>public class MainActivity extends ListActivity { ListView lstView; ArrayList<String> Target = new ArrayList<String>(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); lstView = getListView(); lstView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); lstView.setTextFilterEnabled(true); Target.add("hi"); Target.add("hello"); ; ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_checked, Target); setListAdapter(adapter); Target.add("myname"); adapter.notifyDataSetChanged(); } } </code></pre> <p><img src="https://i.stack.imgur.com/Z4p8j.png" alt="enter image description here"></p>

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