package com.roadtodroid.form_database; import java.util.List; import android.app.Activity; import android.app.ListActivity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.GridView; import android.widget.Toast; public class R2D_login extends Activity { private GridView grid; private My_DbHelper db; private ArrayAdapter<String> arrayadapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_r2_d_login); grid=(GridView)findViewById(R.id.grid); db= new My_DbHelper(getApplicationContext()); arrayadapter = new ArrayAdapter<String>(getApplicationContext(), android.R.layout.simple_list_item_multiple_choice); show_in_list(); grid.setAdapter(arrayadapter); arrayadapter.notifyDataSetChanged(); } public void show_in_list(){ //always called to set list view List<String> list=db.get_all_user(); if(!list.isEmpty()){ for (String i : list) { //insert data to list view using array adapter HERE!!!!! arrayadapter.add(i); } } else{ Toast.makeText(getApplicationContext(), "No Event registered", Toast.LENGTH_LONG).show(); } } }