[Turn] How to use Spinner control
Original address: http://blog.csdn.net/guoying_/article/details/6804610 ;
package com.my.simple;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.Toast;
public class SpinnerDemo extends Activity {
/** Called when the activity is first created. */
String[] bloodType = new String[]{"A","B","AB","O"};
private static final boolean DEBUG = true;
private static final String TAG = "SpinnerDemo";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Spinner mSpinnerBloodType = (Spinner)findViewById(R.id.Bloodspinner);
Spinner mSpinnerColor = (Spinner)findViewById(R.id.Colorspinner);
//构建ArrayAdapter,数据源是数组
ArrayAdapter mbloodAdapter = new ArrayAdapter(this,android.R.layout.simple_spinner_item,bloodType);
//构建ArrayAdapter,数据源是资源文件
ArrayAdapter mColorAdapter = ArrayAdapter.createFromResource(this, R.array.colors, android.R.layout.simple_spinner_item);
//设置下拉列表样式
mbloodAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
mColorAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
mSpinnerBloodType.setAdapter(mbloodAdapter);
//添加监听器
mSpinnerBloodType.setOnItemSelectedListener(new OnItemSelectedListener(){
@Override
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
// TODO Auto-generated method stub
if(DEBUG){
Log.d(TAG, String.valueOf(arg0));
Log.d(TAG, String.valueOf(arg1));
Log.d(TAG, String.valueOf(arg2));
Log.d(TAG, String.valueOf(arg3));
}
Toast.makeText(SpinnerDemo.this,
SpinnerDemo.this.getResources().getString(R.string.selectedItem)+":"+bloodType[arg2], Toast.LENGTH_SHORT).show();
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
});
mSpinnerColor.setAdapter(mColorAdapter);
}
}