public class try_spinner extends Activity implements AdapterView.OnItemSelectedListener {
Spinner spinner1, spinner2, s1, s2, s3;
String app_name, room_name;
TextView app, room;

@Override
protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.try_spinner);

    DisplayMetrics dm = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(dm);

    int width = dm.widthPixels;
    int height = dm.heightPixels;

    getWindow().setLayout((int) (width * .9), (int) (height * .7));

    Bundle extras = getIntent().getExtras();
    final String app_string = extras.getString("APPLIANCE_NAME");
    final String room_string = extras.getString("APPLIANCE_ROOM");

    app = (TextView) findViewById(R.id.app_name);
    app.setText(app_string);
    room = (TextView) findViewById(R.id.room_name);
    room.setText(room_string);

    spinner1 = (Spinner) findViewById(R.id.spinner1);
    spinner1.setOnItemSelectedListener(this);

    spinner2 = (Spinner) findViewById(R.id.spinner2);
    s1 = (Spinner) findViewById(R.id.s1);
    s2 = (Spinner) findViewById(R.id.s2);
    s3 = (Spinner) findViewById(R.id.s3);
    spinner2.setOnItemSelectedListener(this);
    s1.setOnItemSelectedListener(this);
    s2.setOnItemSelectedListener(this);
    s3.setOnItemSelectedListener(this);

    if (app_string.equals("Lighting")) {
        ArrayAdapter<String> dataAdapter2 = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, getResources().getStringArray(R.array.lighting));
        dataAdapter2.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        dataAdapter2.notifyDataSetChanged();
        spinner1.setAdapter(dataAdapter2);
    } else if (app_string.equals("Shower Heater")) {
        ArrayAdapter<String> dataAdapter2 = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, getResources().getStringArray(R.array.shower_heater));
        dataAdapter2.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        dataAdapter2.notifyDataSetChanged();
        spinner1.setAdapter(dataAdapter2);
    } else {
        ArrayAdapter<String> dataAdapter2 = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, getResources().getStringArray(R.array.empty));
        dataAdapter2.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        dataAdapter2.notifyDataSetChanged();
        spinner1.setAdapter(dataAdapter2);
    }

}


@Override
public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,
                           long arg3) {
    // TODO Auto-generated method stub
    String txt_spinner2 = String.valueOf(spinner2.getSelectedItem());
    Toast.makeText(this, txt_spinner2, Toast.LENGTH_SHORT).show();
    if (txt_spinner2.contentEquals("Daily")) {
        List<String> list = new ArrayList<String>();
        ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, getResources().getStringArray(R.array.days));
        dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        dataAdapter.notifyDataSetChanged();
        s1.setAdapter(dataAdapter);
        String txt_s1 = String.valueOf(s1.getSelectedItem());

        //set for daily hours usage
        List<String> list3 = new ArrayList<String>();
        ArrayAdapter<String> dataAdapter3 = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, getResources().getStringArray(R.array.hours));
        dataAdapter3.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        dataAdapter3.notifyDataSetChanged();
        s2.setAdapter(dataAdapter3);

        //set for daily minutes usage
        List<String> list4 = new ArrayList<String>();
        ArrayAdapter<String> dataAdapter4 = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, getResources().getStringArray(R.array.hours));
        dataAdapter4.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        dataAdapter4.notifyDataSetChanged();
        s2.setAdapter(dataAdapter4);

        //set for daily empty thrd space
        List<String> list5 = new ArrayList<String>();
        ArrayAdapter<String> dataAdapter5 = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, getResources().getStringArray(R.array.empty));
        dataAdapter5.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        dataAdapter5.notifyDataSetChanged();
        s3.setAdapter(dataAdapter5);
    }

    else if (txt_spinner2.contentEquals("Monthly")) {
        List<String> list = new ArrayList<String>();
        list.add("Conveyance");//you should add items from db here(2nd spinner)
        list.add("the end");
        ArrayAdapter<String> dataAdapter6 = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, list);
        dataAdapter6.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        dataAdapter6.notifyDataSetChanged();
        s3.setAdapter(dataAdapter6);
    }

}