<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
  xmlns:tools="http://schemas.android.com/tools" 
  android:layout_width="match_parent" 
  android:layout_height="match_parent" 
  android:background="@color/white" 
  android:orientation="horizontal" 
  tools:context=".MainActivity"> 
 
  <Spinner 
    android:id="@+id/spinner1" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:layout_weight="1" /> 
 
  <Spinner 
    android:id="@+id/spinner2" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:layout_weight="1" 
    android:visibility="invisible" /> 
 
  <Spinner 
    android:id="@+id/spinner3" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:layout_weight="1" 
    android:visibility="invisible" /> 
 
</LinearLayout> 

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
  android:layout_width="match_parent" 
  android:layout_height="wrap_content" 
  android:background="@color/white" 
  android:gravity="center" 
  android:orientation="horizontal" 
  android:padding="5dp"> 
 
  <TextView 
    android:id="@+id/txt_name" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:text="名稱(chēng)" 
    android:textSize="16dp" /> 
</LinearLayout> 

/** 
 * @author: xiaolijuan 
 * @description: Spinner適配器 
 * @projectName: SpinnerProject 
 * @date: 2015-10-18 
 * @time: 00:19 
 */ 
public class SpinnerAdapter extends BaseAdapter { 
  private Context context; 
  private String[] array; 
  private int layoutId; 
 
  /** 
   * 構(gòu)造方法 
   * @param context 上下文對(duì)象 
   * @param array 數(shù)組 
   * @param layoutId 布局Id 
   */ 
  public SpinnerAdapter(Context context, String[] array, int layoutId) { 
    this.context = context; 
    this.array = array; 
    this.layoutId = layoutId; 
  } 
 
  /** 
   * 獲取Item總數(shù) 
   * @return 
   */ 
  @Override 
  public int getCount() { 
    return array.length; 
  } 
 
  /** 
   * 獲取一個(gè)Item對(duì)象 
   * @param position 
   * @return 
   */ 
  @Override 
  public Object getItem(int position) { 
    return array[position]; 
  } 
 
  /** 
   * 獲取指定item的ID 
   * @param position 
   * @return 
   */ 
  @Override 
  public long getItemId(int position) { 
    return position; 
  } 
 
  /** 
   * 繪制的內(nèi)容均在此實(shí)現(xiàn) 
   * @param position position就是位置從0開(kāi)始 
   * @param convertView convertView是Spinner中每一項(xiàng)要顯示的view 
   * @param parent parent就是父窗體了，也就是Spinner 
   * @return 
   */ 
  @Override 
  public View getView(int position, View convertView, ViewGroup parent) { 
    View item = convertView != null ? convertView : View.inflate(context, layoutId, null); 
    TextView txt_name = (TextView) item.findViewById(R.id.txt_name); 
    txt_name.setText(array[position]); 
    return item; 
  } 
} 

/** 
 * 使用Spinner實(shí)現(xiàn)城市級(jí)聯(lián)下拉框 
 * Spinner最簡(jiǎn)單使用方式步驟如下： 
 * 第一步：在布局文件中添加Spinner控件。 
 * 第二步：在A(yíng)citvity中通過(guò)id找到它。 
 * 第三步：給Spinner綁定一個(gè)適配器。 
 * 第四步：綁定監(jiān)聽(tīng)器就可以用了。 
 */ 
public class MainActivity extends Activity { 
  private Spinner spinner1, spinner2, spinner3; 
 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
 
    spinner1 = (Spinner) findViewById(R.id.spinner1); 
    spinner2 = (Spinner) findViewById(R.id.spinner2); 
    spinner3 = (Spinner) findViewById(R.id.spinner3); 
 
    //加載省份列表 
    loadProvince(); 
    //設(shè)置spinner1的監(jiān)聽(tīng)事件 
    spinner1.setOnItemSelectedListener(new Spinner1ClickListener()); 
    //加載城市列表 
    loadCity(); 
    //設(shè)置spinner2的監(jiān)聽(tīng)事件 
    spinner2.setOnItemSelectedListener(new Spinner2ClickListener()); 
    //加載區(qū)域列表 
    loadGZArea(); 
    //設(shè)置spinner3的監(jiān)聽(tīng)事件 
    spinner3.setOnItemSelectedListener(new Spinner3ClickListener()); 
  } 
 
  /** 
   * 加載省份列表 
   */ 
  public void loadProvince() { 
    String[] array1 = new String[]{"請(qǐng)選擇", "廣東省"}; 
    SpinnerAdapter adapterOne = new SpinnerAdapter(this, array1, R.layout.activity_item); 
    spinner1.setAdapter(adapterOne); 
  } 
 
  /** 
   * 加載城市列表 
   */ 
  public void loadCity() { 
    String[] array2 = new String[]{"請(qǐng)選擇", "廣州市", "深圳市"}; 
    SpinnerAdapter modelTwo = new SpinnerAdapter(this, array2, R.layout.activity_item); 
    spinner2.setAdapter(modelTwo); 
  } 
 
  /** 
   * 加載廣州區(qū)域列表 
   */ 
  public void loadGZArea() { 
    String[] array3 = new String[]{"請(qǐng)選擇", "天河區(qū)", "越秀區(qū)", "荔灣區(qū)", "海珠區(qū)", "蘿崗區(qū)", "白云區(qū)", "黃埔區(qū)", "花都區(qū)"}; 
    SpinnerAdapter modelThree = new SpinnerAdapter(this, array3, R.layout.activity_item); 
    spinner3.setAdapter(modelThree); 
  } 
 
  /** 
   * 加載深圳區(qū)域列表 
   */ 
  public void loadSZArea() { 
    String[] array3 = new String[]{"請(qǐng)選擇", "龍崗區(qū)", "南山區(qū)", "福田區(qū)", "羅湖區(qū)", "鹽田區(qū)", "寶安區(qū)"}; 
    SpinnerAdapter modelThree = new SpinnerAdapter(this, array3, R.layout.activity_item); 
    spinner3.setAdapter(modelThree); 
  } 
 
  /** 
   * Spinner1點(diǎn)擊事件 
   */ 
  public class Spinner1ClickListener implements AdapterView.OnItemSelectedListener { 
 
    @Override 
    public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) { 
      String str = (String) adapterView.getItemAtPosition(i); 
      //判斷是否選擇城市，如果沒(méi)有選擇那么就隱藏Spinner2,Spinner3兩個(gè)下拉框，否則顯示Spinner2下拉框，繼續(xù)隱藏Spinner3 
      if (str.equals("請(qǐng)選擇")) { 
        spinner2.setVisibility(View.INVISIBLE); 
        spinner3.setVisibility(View.INVISIBLE); 
      } else { 
        spinner2.setVisibility(View.VISIBLE); 
 
        //將第二個(gè)下拉框的選項(xiàng)重新設(shè)置為選中“請(qǐng)選擇”這個(gè)選項(xiàng)。 
        spinner2.setSelection(0); 
      } 
 
      Toast.makeText(getApplicationContext(), str, Toast.LENGTH_SHORT).show(); 
    } 
 
    @Override 
    public void onNothingSelected(AdapterView<?> adapterView) { 
 
    } 
  } 
 
  /** 
   * Spinner2點(diǎn)擊事件 
   */ 
  public class Spinner2ClickListener implements AdapterView.OnItemSelectedListener { 
 
    @Override 
    public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) { 
      String str = (String) adapterView.getItemAtPosition(i); 
      if (str.equals("請(qǐng)選擇")) { 
        spinner3.setVisibility(View.INVISIBLE); 
      } else { 
        //顯示第三個(gè)Spinner3 
        spinner3.setVisibility(View.VISIBLE); 
 
        if (str.equals("深圳市")) { 
          //重新加載深圳區(qū)域列表 
          loadSZArea(); 
        } else if (str.equals("廣州市")) { 
          //重新加載廣州區(qū)域列表 
          loadGZArea(); 
        } 
      } 
      Toast.makeText(getApplicationContext(), str, Toast.LENGTH_SHORT).show(); 
    } 
 
    @Override 
    public void onNothingSelected(AdapterView<?> adapterView) { 
 
    } 
  } 
 
  /** 
   * Spinner3點(diǎn)擊事件 
   */ 
  public class Spinner3ClickListener implements AdapterView.OnItemSelectedListener { 
 
    @Override 
    public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) { 
      String str = (String) adapterView.getItemAtPosition(i); 
      Toast.makeText(getApplicationContext(), str, Toast.LENGTH_SHORT).show(); 
    } 
 
    @Override 
    public void onNothingSelected(AdapterView<?> adapterView) { 
 
    } 
  } 
}