android spinner下拉列表

阅读更多 MainActivity.java

package com.ct7_Sprinner;import java.util.ArrayList;import java.util.List;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.view.View;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.AdapterView.OnItemSelectedListener;import android.widget.ArrayAdapter;import android.widget.Spinner;import android.widget.TextView;public class MainActivity extends Activity {private TextView textView;private Spinner spinner;private List list=null;private ArrayAdapter adapter;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);                mySet();        list=MyData.getData();        setArrayAdapter();        spinner.setAdapter(adapter);    }    private void mySet() {// TODO Auto-generated method stub    textView=(TextView) findViewById(R.id.textView_Show);    spinner=(Spinner) findViewById(R.id.spinner_City);        spinner.setOnItemSelectedListener(itemSelecedtListener);}    private OnItemSelectedListener itemSelecedtListener=new OnItemSelectedListener() {@Overridepublic void onItemSelected(AdapterView<?> parent, View view,int position, long id) {// TODO Auto-generated method stubtextView.setText("您选择的是："+adapter.getItem(position));parent.setVisibility(View.VISIBLE);}@Overridepublic void onNothingSelected(AdapterView<?> parent) {// TODO Auto-generated method stubtextView.setText("NONE");parent.setVisibility(View.VISIBLE);}};private void setArrayAdapter() {// TODO Auto-generated method stubadapter=new ArrayAdapter(this, android.R.layout.simple_spinner_item,list);adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);}}

MyData.java

package com.ct7_Sprinner;import java.util.ArrayList;import java.util.List;public class MyData {public static List getData() {List list=new ArrayList();list.add("北京");list.add("上海");list.add("深圳");list.add("南京");list.add("东莞");list.add("南山");list.add("广州");list.add("重庆");list.add("天津");return list;}}

activity_main.xml

com.ct7_Sprinner.rar (760.1 KB)
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