Spinner code basics In java[ USING STRING ARRAY IN STRING FILE]

Spinner Code For Android

Here Spinnerllist is a array list where items has been defined.For More info look down 👇

ArrayAdapter<CharSequence>adapter=ArrayAdapter.createFromResource(this,R.array.spinnerlist, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
ab.spinner1.setAdapter(adapter);

If you want to add toast just follow this 👇

ab.spinner1.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
    @Override
    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
        String data=adapter.getItem(position).toString();
        Toast.makeText(getApplicationContext(),data,Toast.LENGTH_SHORT).show();
    }

<resources>
    <string name="app_name">Attendence</string>
    <string name="attendence_calender">Attendence Calender</string>
    <string name="attendence">Attendence</string>
    <string name="checkin_checkout">Checkin-Checkout</string>

    <string-array name="spinnerlist">
        <item>2022</item>
        <item>2021</item>
        <item>2020</item>
    </string-array>
</resources>