Android实现横向二级菜单

  /**
   * @param textArray: ListView中item对应的text值的集合..
   * @param viewArray: 当前Layout中需要加入的View.. 
   * */
  @SuppressLint("ResourceAsColor") 
  public void setValue(ArrayList<String> textArray, ArrayList<View> viewArray) {
    if (mContext == null) {
      return;
    }
    LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

    mTextList = textArray;
    for (int i = 0; i < viewArray.size(); i++) {
      
      //这里就添加了一个View..
      final RelativeLayout r = new RelativeLayout(mContext);
      int maxHeight = (int) (displayHeight * 0.5);  //定义布局的高度..
      
      
      RelativeLayout.LayoutParams rl = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, maxHeight);
      r.addView(viewArray.get(i), rl); //在布局中添加View并指定参数
      
      
      mViewList.add(r);
      r.setTag(SMALL);
      
      //定义最上方的按钮,并在布局中添加这个按钮。并设置按钮的text
      ToggleButton tButton = (ToggleButton) inflater.inflate(R.layout.toggle_button, this, false);
      addView(tButton);
      mToggleList.add(tButton);
      tButton.setTag(i);
      tButton.setText(mTextList.get(i));
      
      //用于实现当PopWindow显示时.再次点击收回PopWindow
      r.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
          onPressBack();
        }
      });

      r.setBackgroundColor(mContext.getResources().getColor(R.color.popup_main_background));
      
      //当按钮被点击后需要触发的监听
      tButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View view) {
          
          
          ToggleButton tButton = (ToggleButton) view;
          /** 如果当前点击的按钮与上次的点击不同.则设置当前的按钮处于点击状态 */
          if (selectedButton != null && selectedButton != tButton) {
            selectedButton.setChecked(false);
          }
          selectedButton = tButton;
          selectPosition = (Integer) selectedButton.getTag();
          /** 按钮被点击后,需要触发对应的监听事件.*/
          startAnimation();
          if (mOnButtonClickListener != null && tButton.isChecked()) {
            mOnButtonClickListener.onClick(selectPosition);
          }
        }
      });
    }
  }

package com.example.view;

import java.util.ArrayList;
import java.util.LinkedList;

import android.content.Context;
import android.util.AttributeSet;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.ListView;

import com.example.adapter.TextAdapter;
import com.example.expandtabview.R;

public class ChildView extends LinearLayout {
  
  private ListView regionListView;  //主ListView
  private ListView plateListView;  //子ListView
  
  //主ListView每一个Item对应的text
  private String LeftFaString[] = new String[] { "美食", "快餐小吃", "火锅", "海鲜/烧烤",
      "特色菜", "香锅/烤鱼", "地方菜", "东南亚菜", "西餐", "日韩料理" };
  //子ListView每一个Item对应的text..采用了二维数组的实现方式..
  private String LeftCh1String[][] = new String[][] {
      { "全部" },
      { "全部", "中式简餐", "地方小吃", "盖浇饭", "米粉米线", "面馆", "麻辣烫", "黄焖鸡米饭",
          "鸭脖卤味", "饺子馄饨", "炸鸡炸串", "包子/粥", "零食", "生煎锅贴", "冒菜" },
      { "全部", "其他火锅" }, { "全部", "小龙虾" }, { "全部" }, { "全部", "香锅", "烤鱼" },
      { "全部", "鲁菜", "川菜", "其他" }, { "全部" },
      { "全部", "意面披萨", "西式快餐", "其他西餐" }, { "全部", "韩式简餐", "韩国料理" } };

  //添加主ListView中的数据信息
  private ArrayList<String> groups = new ArrayList<String>();
  
  //添加子ListView中的数据信息
  private LinkedList<String> childrenItem = new LinkedList<String>();
  
  //稀疏数组
  private SparseArray<LinkedList<String>> children = new SparseArray<LinkedList<String>>();
  //为ListView设置适配器
  private TextAdapter plateListViewAdapter;
  private TextAdapter earaListViewAdapter;
  //监听事件的设置
  private OnSelectListener mOnSelectListener;
  
  private int tEaraPosition = 0;   //用于保存当前主ListView被点击的Item对应的Position.
  private int tBlockPosition = 0;    //用于保存当前子ListView被点击的Item对应的Position.
  
  private String showString = "";

  public ChildView(Context context) {
    super(context);
    init(context);
  }

  public ChildView(Context context, AttributeSet attrs) {
    super(context, attrs);
    init(context);
  }


  private void init(Context context) {
    LayoutInflater inflater = (LayoutInflater) context
        .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    
    //加载布局,绑定ID.
    inflater.inflate(R.layout.view_region, this, true);
    regionListView = (ListView) findViewById(R.id.listView);
    plateListView = (ListView) findViewById(R.id.listView2);

    //初始化ListView中每一个item对应的text
    for(int i=0;i<10;i++){
      groups.add(LeftFaString[i]);
      LinkedList<String> tItem = new LinkedList<String>();
      for(int j=0;j<LeftCh1String[i].length;j++){
        
        tItem.add(LeftCh1String[i][j]);
        
      }
      children.put(i, tItem);
    }

    //主ListView列表项的适配器
    earaListViewAdapter = new TextAdapter(context, groups,
        R.drawable.choose,
        R.drawable.choose_eara_item_selector);
    earaListViewAdapter.setTextSize(12);
    earaListViewAdapter.setSelectedPositionNoNotify(tEaraPosition);
    
    regionListView.setAdapter(earaListViewAdapter);
    
    earaListViewAdapter
        .setOnItemClickListener(new TextAdapter.OnItemClickListener() {

          @Override
          public void onItemClick(View view, int position) {
            if (position < children.size()) {
              childrenItem.clear();
              //获取这一页的所有数据信息..然后唤醒适配器更新数据
              childrenItem.addAll(children.get(position));
              plateListViewAdapter.notifyDataSetChanged();
            }
          }
        });
    
    if (tEaraPosition < children.size())
      childrenItem.addAll(children.get(tEaraPosition));
    
    
    //子ListView的适配器
    plateListViewAdapter = new TextAdapter(context, childrenItem,
        R.drawable.choose_item_right,
        R.drawable.choose_plate_item_selector);
    plateListViewAdapter.setTextSize(12);
    plateListViewAdapter.setSelectedPositionNoNotify(tBlockPosition);
    plateListView.setAdapter(plateListViewAdapter);
    //设置当Item被点击后触发的监听.
    plateListViewAdapter
        .setOnItemClickListener(new TextAdapter.OnItemClickListener() {

          @Override
          public void onItemClick(View view, final int position) {
            //获取被点击的Item的文字数据
            showString = childrenItem.get(position);
            if (mOnSelectListener != null) {
              
              mOnSelectListener.getValue(showString);
            }

          }
        });
    
    if (tBlockPosition < childrenItem.size())
      showString = childrenItem.get(tBlockPosition);
    setDefaultSelect();

  }
  
  //设置当前Item的Position.
  public void setDefaultSelect() {
    //默认选择的Item项
    regionListView.setSelection(tEaraPosition);
    plateListView.setSelection(tBlockPosition);
  }

  public String getShowText() {
    return showString;
  }

  public void setOnSelectListener(OnSelectListener onSelectListener) {
    mOnSelectListener = onSelectListener;
  }

  public interface OnSelectListener {
    public void getValue(String showText);
  }

}

  @SuppressLint("ResourceAsColor") @SuppressWarnings("deprecation")
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    TextView view;
    if (convertView == null) {
      view = (TextView) LayoutInflater.from(mContext).inflate(R.layout.choose_item, parent, false);
    } else {
      view = (TextView) convertView;
    }
    view.setTag(position);
    String mString = "";
    if (mListData != null) {
      if (position < mListData.size()) {
        mString = mListData.get(position);
      }
    } else if (mArrayData != null) {
      if (position < mArrayData.length) {
        mString = mArrayData[position];
      }
    }
    if (mString.contains("不限"))
      view.setText("不限");
    else
      view.setText(mString);
    view.setTextSize(TypedValue.COMPLEX_UNIT_SP,textSize);

    if (selectedText != null && selectedText.equals(mString)) {
      view.setBackgroundDrawable(selectedDrawble);//设置选中的背景图片
    } else {
      view.setBackgroundDrawable(mContext.getResources().getDrawable(normalDrawbleId));//设置未选中状态背景图片
    }
    view.setPadding(20, 0, 0, 0);
    view.setOnClickListener(onClickListener);
    return view;
  }

package com.example.expandtabview;


import java.util.ArrayList;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;

import com.example.view.ExpandTabView;
import com.example.view.ChildView;

public class MainActivity extends Activity {

  private ExpandTabView expandTabView;
  private ArrayList<View> mViewArray = new ArrayList<View>();
  private ChildView viewLeft;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    initView();
    initVaule();
    initListener();
    
  }

  private void initView() {
    
    //初始化控件
    expandTabView = (ExpandTabView) findViewById(R.id.expandtab_view);
    viewLeft = new ChildView(this);
    
  }

  private void initVaule() {
    
    mViewArray.add(viewLeft);
    
    //设置顶部数据信息
    ArrayList<String> mTextArray = new ArrayList<String>();
    mTextArray.add("全部");
    expandTabView.setValue(mTextArray, mViewArray);
    expandTabView.setTitle(viewLeft.getShowText(), 0);
    
  }

  private void initListener() {
    
    
    viewLeft.setOnSelectListener(new ChildView.OnSelectListener() {
      
      @Override
      public void getValue(String showText) {
        
        onRefresh(viewLeft,showText);
        
      }
    });
    
    
  }
  
  //视图被点击后刷新数据
  private void onRefresh(View view, String showText) {
    
    expandTabView.onPressBack();
    int position = getPositon(view);
    if (position >= 0 && !expandTabView.getTitle(position).equals(showText)) {
      expandTabView.setTitle(showText, position);
    }
    Toast.makeText(MainActivity.this, showText, Toast.LENGTH_SHORT).show();

  }
  
  //获取当前的view
  private int getPositon(View tView) {
    for (int i = 0; i < mViewArray.size(); i++) {
      if (mViewArray.get(i) == tView) {
        return i;
      }
    }
    return -1;
  }
}