Spinner By taking List of items through java

String[] spinnerval={"Sick Leave","Maternity Leave","Family Responsibility Leave","Study Leave","Leave For Religious Holiday","Annual Leave","Compassionate Leave","Paternity Leave","Leave in Lieu","Miscellaneous/Others","Exam Leave"};

ArrayAdapter ad = new ArrayAdapter(MainActivity.this, android.R.layout.simple_spinner_item,spinnerval);
ad.setDropDownViewResource( android.R.layout.simple_spinner_dropdown_item );
Spinner Spino=alertDialog.findViewById(R.id.spinner1);
Spino.setAdapter(ad);

ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,R.array.add_expense, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
expensespinner.setAdapter(adapter);
//If you want to add from string array list