package com.example.spinnerdemo1;
import java.util.ArrayList;
import java.util.List;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.liner);
List<String>list=new ArrayList<String>();
list.add("O");
list.add("B");
list.add("A");
list.add("AB");
list.add("HR");
ArrayAdapter<String> dapter=new ArrayAdapter(MainActivity.this,android.R.layout.simple_spinner_item,list);
dapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
Spinner spinner=(Spinner)findViewById(R.id.spinner);
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