下拉列表Spinner入门级示例代码

【实例截图】

【核心代码】

package com.example.spinner;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.Adapter;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.TextView;

public class MainActivity extends Activity implements OnItemSelectedListener{
            private Spinner spinner;
            private TextView textview;
            private Spinner spinner1;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		SpinnerAll();
		
	}
	void SpinnerAll(){
		textview  = (TextView)findViewById(R.id.textview);
		spinner = (Spinner)findViewById(R.id.spinnewld);
		spinner1 = (Spinner)findViewById(R.id.Spiner); 
		
		
		spinner();
	
		// ArrayAdapter<CharSequence> adapter1 = ArrayAdapter.createFromResource(this,R.array.kang_array1,android.R.layout.simple_spinner_item); 
		// spinner1.setAdapter(adapter1);
		 spinner.setOnItemSelectedListener(this);
		
		
	}
		
	void spinner(){
             ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,R.array.kang_array,android.R.layout.simple_spinner_item);
		
		adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
		spinner.setAdapter(adapter);
	}
		
		
	@Override
	public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,
			long arg3) {
		String se = arg0.getItemAtPosition(arg2).toString();
		if(se.equals("shao")){
			
			ArrayAdapter<CharSequence> adapter1 = ArrayAdapter.createFromResource(this,R.array.kang_array2,android.R.layout.simple_spinner_item);
			 spinner1.setAdapter(adapter1);
			 
		}else 
			if (se.equals("kang")){
				ArrayAdapter<CharSequence> adapter1 = ArrayAdapter.createFromResource(this,R.array.kang_array1,android.R.layout.simple_spinner_item);
				 spinner1.setAdapter(adapter1);
			}
		
	
	}
		
	
	@Override
	public void onNothingSelected(AdapterView<?> arg0) {
		// TODO Auto-generated method stub
		
	}
	

}