سوال در مورد مقدار Spinner(حل شد)

این ساختار اکتیوی :

 public class City_SelectionActivity extends Activity {

	private Spinner province;
	private Spinner city;
	private Button btnSerach;

	private List<String> proset = new ArrayList<String>();
	private List<String> citset = new ArrayList<String>();

	private int pro_id;
	public static String label;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.reseller_spinner);

		province = (Spinner) findViewById(R.id.spinner1);
		ArrayAdapter<String> pro_adapter = new ArrayAdapter<String>(this,
				android.R.layout.simple_spinner_item, getProSet());
		province.setAdapter(pro_adapter);
		province.setOnItemSelectedListener(new SelectProvince());
		city = (Spinner) findViewById(R.id.spinner2);
		btnSerach = (Button) findViewById(R.id.btnsearch);
		
	

		btnSerach.setOnClickListener(new View.OnClickListener() {

			public void onClick(View view) {
				 
				 label =city.getSelectedItem()).toString();     =============>  اینجا
				
				Intent intent = new Intent(City_SelectionActivity.this,
						ListActivity.class);

			
				startActivity(intent);

			}
		});

	}

	//
	class SelectProvince implements OnItemSelectedListener {
		public void onItemSelected(AdapterView<?> parent, View view,
				int position, long id) {
			// TODO Auto-generated method stub
			// ID
			pro_id = position;
			city.setAdapter(getAdapter());
		

		}

		public void onNothingSelected(AdapterView<?> arg0) {

		}
	}

	public List<String> getProSet() {
		DataBaseConnection db = new DataBaseConnection(this, "reseller", 5);
		SQLiteDatabase db1 = db.getReadableDatabase();
		Cursor cursor = db1.query("province", null, null, null, null, null,
				null);
		while (cursor.moveToNext()) {
			String pro = cursor
					.getString(cursor.getColumnIndexOrThrow("namep"));
			proset.add(pro);
		}
		cursor.close();
		db1.close();
		return proset;
	}

	/** 
     *   
     */
	public List<String> getCitSet(int pro_id) {
		//
		citset.clear();
		DataBaseConnection db = new DataBaseConnection(this, "reseller", 5);
		SQLiteDatabase db1 = db.getReadableDatabase();
		Cursor cursor = db1.query("city", null, "province_id=" + pro_id, null,
				null, null, null);
		while (cursor.moveToNext()) {
			String pro = cursor.getString(cursor.getColumnIndexOrThrow("name"));
			citset.add(pro);
		}
		cursor.close();
		db1.close();
		return citset;
	}

	/** 
     *  
     */
	public ArrayAdapter<String> getAdapter() {
		ArrayAdapter<String> adapter1 = new ArrayAdapter(this,
				android.R.layout.simple_spinner_item, getCitSet(pro_id));
		return adapter1;
	}
	

	
}