layout文件

item.xml

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       6  7     
      11 12     
      16 17 
     

main.xml

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      12 13     
      
       18     19 20 
      
     

Activity

1 package cn.itcast.ui; 2  3 import android.app.Activity; 4 import android.os.Bundle; 5 import android.view.View; 6 import android.widget.AdapterView; 7 import android.widget.AdapterView.OnItemClickListener; 8 import android.widget.AdapterView.OnItemSelectedListener; 9 import android.widget.ArrayAdapter;10 import android.widget.AutoCompleteTextView;11 import android.widget.Spinner;12 13 public class UiActivity extends Activity {14     private Spinner spinner;15     private AutoCompleteTextView actv;16     @Override17     public void onCreate(Bundle savedInstanceState) {18         super.onCreate(savedInstanceState);19         setContentView(R.layout.main);20         spinner = (Spinner) findViewById(R.id.sp);21         actv = (AutoCompleteTextView)findViewById(R.id.actv);22         String[] names = {"老张", "老方", "老毕", "李明" , "李丽", "陈江", "abc", "acc"};23         ArrayAdapter
     
       adapter = new ArrayAdapter
      
       (this, android.R.layout.simple_dropdown_item_1line, names);24         actv.setAdapter(adapter);25 26         27         spinner.setAdapter(new ArrayAdapter
       
        (this, R.layout.item, R.id.tv, new String[]{"java",".net","php"}));28         29         spinner.setOnItemSelectedListener(new OnItemSelectedListener() {30 31             @Override32             public void onItemSelected(AdapterView
         parent, View view,33                     int position, long id) {34                 35             }36 37             @Override38             public void onNothingSelected(AdapterView
         parent) {39                 40             }41         });42 43     }44 }
       
      
     

基础/day08/ui