Create Spinner and populate data in it - Android

MySpinnerActivity.java

// Create a collection and initialize it with data

ArrayList<String> list = new ArrayList<>();
for (int i=0; i<10; i++) {
  list.add("Item "+i);
}

// Create an adapter for Spinner
ArrayAdapter<String> spinAdapter = new ArrayAdapter<>(context,android.R.layout.simple_list_item_1, list);

// Set the adapter to Spinner
spinner.setAdapter(spinAdapter);