Array list and HashMap

public class MainActivity extends AppCompatActivity {


GridView gridView;
ArrayList<HashMap<String, String>>arrayList = new ArrayList<>();
HashMap<String, String> hashMap;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

gridView =findViewById(R.id.gridView);

createTable();
MyAdepter myAdepter = new MyAdepter();
gridView.setAdapter(myAdepter);



}
private class MyAdepter extends BaseAdapter {

@Override
public int getCount() {
return arrayList.size();
}

@Override
public Object getItem(int position) {
return null;
}

@Override
public long getItemId(int position) {
return 0;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {

LayoutInflater layoutInflater = getLayoutInflater();
View myView = layoutInflater.inflate(R.layout.item, null);

ImageView imageView = myView.findViewById(R.id.imageView);
TextView textView = myView.findViewById(R.id.textView);

HashMap<String, String> hashMap = arrayList.get(position);
String image = hashMap.get("img");
String text = hashMap.get("txt");

imageView.setImageResource(Integer.parseInt(image));
textView.setText(text);

return myView;
}
} //***************************************************

private void createTable (){

hashMap = new HashMap<>();
hashMap.put("img",""+R.drawable.send_many);
hashMap.put("txt", "Sand Many");
arrayList.add(hashMap);

hashMap = new HashMap<>();
hashMap.put("img",""+R.drawable.mibile_recharge);
hashMap.put("txt", "Mobile Recharge");
arrayList.add(hashMap);

hashMap = new HashMap<>();
hashMap.put("img",""+R.drawable.chash_out);
hashMap.put("txt", "Cash Out");
arrayList.add(hashMap);

hashMap = new HashMap<>();
hashMap.put("img",""+R.drawable.pement);
hashMap.put("txt", "Payment");
arrayList.add(hashMap);

hashMap = new HashMap<>();
hashMap.put("img",""+R.drawable.add_many);
hashMap.put("txt", "Add Many");
arrayList.add(hashMap);

hashMap = new HashMap<>();
hashMap.put("img",""+R.drawable.pay_bill);
hashMap.put("txt", "Pay Bill");
arrayList.add(hashMap);

hashMap = new HashMap<>();
hashMap.put("img",""+R.drawable.ticket);
hashMap.put("txt", "Ticket");
arrayList.add(hashMap);

hashMap = new HashMap<>();
hashMap.put("img",""+R.drawable.more);
hashMap.put("txt", "More");
arrayList.add(hashMap);



}