Android Spinner与适配器模式详解及实例代码

<Spinner 
    android:id="@+id/spinner1" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_alignLeft="@+id/textView1" 
    android:layout_below="@+id/textView1" 
    android:layout_marginTop="17dp" 
    android:entries="@array/spinner_data"/> 

private String[] ss=new String[]{ 
    "猫咪", 
    "老虎", 
    "狮子", 
       
  }; 

private List<String> list=new ArrayList<String>(); 
list.add("百度"); 
    list.add("腾讯"); 
    list.add("阿里巴巴"); 

private class Myadapter extends BaseAdapter{ 
 
  @Override 
  public int getCount</span>() { 
    // TODO Auto-generated method stub 
    return ss.length; 
  } 
 
  @Override 
  public Object getItem(int position) { 
    // TODO Auto-generated method stub 
    return null; 
  } 
 
  @Override 
  public long getItemId(int position) { 
    // TODO Auto-generated method stub 
    return 0; 
  } 
 
  @Override 
  public View getView</span>(int position, View convertView, ViewGroup parent) { 
    // TODO Auto-generated method stub 
    TextView textView=new TextView(MainActivity.this); 
    textView.setText(ss[position]); 
     
    return textView; 
  } 

Spinner spinner=(Spinner) findViewById(R.id.spinner1); 
    BaseAdapter adapter=new Myadapter(); 
    spinner.setAdapter(adapter); 

Spinner spinner=(Spinner) findViewById(R.id.spinner1); 
    ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item,ss); 
    spinner.setAdapter(adapter);