Android Multilevel Expandable ListView | Custom Expandable List-view Demo In Android | Android Expandable Listview Example with demo code

Hello Friends,

Today I am going to share code for multilevel  list-view or multilevel expandable list-view, means till 3 stage data selection from a list. like- Country->state->city

Country--India-------------Delhi
               England               Mumbai
               America              Gurganv

For this demo I am using Views, No core android list-view or expandable list-view. Hope it will help to some one.

MainActivity.java

package com.androidhub4you.multilevellistview;

import java.util.ArrayList;

import android.app.Activity;

import android.content.Context;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.MotionEvent;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.View.OnTouchListener;

import android.widget.ImageView;

import android.widget.LinearLayout;

import android.widget.RelativeLayout;

import android.widget.TextView;

import android.widget.Toast;

import com.androidhub4you.multilevellistview.Product.SubCategory;

import com.androidhub4you.multilevellistview.Product.SubCategory.ItemList;

/**

 *

 * @author manish

 *

 */

public class MainActivity extends Activity {

      

       private ArrayList<Product>pProductArrayList;

       private ArrayList<SubCategory>pSubItemArrayList;

       private ArrayList<SubCategory>pSubItemArrayList2;

       private LinearLayout mLinearListView;

       boolean isFirstViewClick=false;

       boolean isSecondViewClick=false;

      

       @Override

       protected void onCreate(Bundle savedInstanceState) {

              super.onCreate(savedInstanceState);

              setContentView(R.layout.activity_main);

              mLinearListView = (LinearLayout) findViewById(R.id.linear_listview);

             

              /**

               *

               */

             

              ArrayList<ItemList> mItemListArray=new ArrayList<ItemList>();

              mItemListArray.add(new ItemList("Red", "20"));

              mItemListArray.add(new ItemList("Blue", "50"));

              mItemListArray.add(new ItemList("Red", "20"));

              mItemListArray.add(new ItemList("Blue", "50"));

             

              ArrayList<ItemList> mItemListArray2=new ArrayList<ItemList>();

              mItemListArray2.add(new ItemList("Pant", "2000"));

              mItemListArray2.add(new ItemList("Shirt", "1000"));

              mItemListArray2.add(new ItemList("Pant", "2000"));

              mItemListArray2.add(new ItemList("Shirt", "1000"));

              mItemListArray2.add(new ItemList("Pant", "2000"));

              mItemListArray2.add(new ItemList("Shirt", "1000"));

             

             

              /**

               *

               */

              pSubItemArrayList=new ArrayList<SubCategory>();

              pSubItemArrayList2=new ArrayList<SubCategory>();

              pSubItemArrayList.add(new SubCategory("Color", mItemListArray));

              pSubItemArrayList2.add(new SubCategory("Cloths", mItemListArray2));

              pSubItemArrayList.add(new SubCategory("Color", mItemListArray));

              pSubItemArrayList2.add(new SubCategory("Cloths", mItemListArray2));

              /**

               *

               */

             

              pProductArrayList=new ArrayList<Product>();

              pProductArrayList.add(new Product("Emotions", pSubItemArrayList));

              pProductArrayList.add(new Product("Garments", pSubItemArrayList2));

             

             

              /***

               * adding item into listview

               */

              for (int i = 0; i < pProductArrayList.size(); i++) {

                    

                     LayoutInflater inflater = null;

                     inflater = (LayoutInflater) getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);

                     View mLinearView = inflater.inflate(R.layout.row_first, null);

                    

                     final TextView mProductName = (TextView) mLinearView.findViewById(R.id.textViewName);

                     final RelativeLayout mLinearFirstArrow=(RelativeLayout)mLinearView.findViewById(R.id.linearFirst);

                     final ImageView mImageArrowFirst=(ImageView)mLinearView.findViewById(R.id.imageFirstArrow);

                     final LinearLayout mLinearScrollSecond=(LinearLayout)mLinearView.findViewById(R.id.linear_scroll);

                    

                     if(isFirstViewClick==false){

                     mLinearScrollSecond.setVisibility(View.GONE);

                     mImageArrowFirst.setBackgroundResource(R.drawable.arw_lt);

                     }

                     else{

                           mLinearScrollSecond.setVisibility(View.VISIBLE);

                           mImageArrowFirst.setBackgroundResource(R.drawable.arw_down);

                     }

                    

                     mLinearFirstArrow.setOnTouchListener(new OnTouchListener() {

                          

                           @Override

                           public boolean onTouch(View v, MotionEvent event) {

                                 

                                  if(isFirstViewClick==false){

                                         isFirstViewClick=true;

                                         mImageArrowFirst.setBackgroundResource(R.drawable.arw_down);

                                         mLinearScrollSecond.setVisibility(View.VISIBLE);

                                        

                                  }else{

                                         isFirstViewClick=false;

                                         mImageArrowFirst.setBackgroundResource(R.drawable.arw_lt);

                                         mLinearScrollSecond.setVisibility(View.GONE);  

                                  }

                                  return false;

                           }

                     });

                    

                    

                     final String name = pProductArrayList.get(i).getpName();

                     mProductName.setText(name);

                 

                     /**

                      *

                      */

                  for (int j = 0; j < pProductArrayList.get(i).getmSubCategoryList().size(); j++) {

                          

                           LayoutInflater inflater2 = null;

                           inflater2 = (LayoutInflater) getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);

                           View mLinearView2 = inflater2.inflate(R.layout.row_second, null);

                 

                           TextView mSubItemName = (TextView) mLinearView2.findViewById(R.id.textViewTitle);

                           final RelativeLayout mLinearSecondArrow=(RelativeLayout)mLinearView2.findViewById(R.id.linearSecond);

                           final ImageView mImageArrowSecond=(ImageView)mLinearView2.findViewById(R.id.imageSecondArrow);

                           final LinearLayout mLinearScrollThird=(LinearLayout)mLinearView2.findViewById(R.id.linear_scroll_third);

                          

                           if(isSecondViewClick==false){

                                  mLinearScrollThird.setVisibility(View.GONE);

                                  mImageArrowSecond.setBackgroundResource(R.drawable.arw_lt);

                                  }

                                  else{

                                         mLinearScrollThird.setVisibility(View.VISIBLE);

                                         mImageArrowSecond.setBackgroundResource(R.drawable.arw_down);

                                  }

                                 

                           mLinearSecondArrow.setOnTouchListener(new OnTouchListener() {

                                        

                                         @Override

                                         public boolean onTouch(View v, MotionEvent event) {

                                               

                                                if(isSecondViewClick==false){

                                                       isSecondViewClick=true;

                                                       mImageArrowSecond.setBackgroundResource(R.drawable.arw_down);

                                                       mLinearScrollThird.setVisibility(View.VISIBLE);

                                                      

                                                }else{

                                                       isSecondViewClick=false;

                                                       mImageArrowSecond.setBackgroundResource(R.drawable.arw_lt);

                                                       mLinearScrollThird.setVisibility(View.GONE);   

                                                }

                                                return false;

                                         }

                                  });

                          

                          

                           final String catName = pProductArrayList.get(i).getmSubCategoryList().get(j).getpSubCatName();

                           mSubItemName.setText(catName);

                           /**

                            *

                            */

                             for (int k = 0; k < pProductArrayList.get(i).getmSubCategoryList().get(j).getmItemListArray().size(); k++) {

                                        

                                         LayoutInflater inflater3 = null;

                                         inflater3 = (LayoutInflater) getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);

                                         View mLinearView3 = inflater3.inflate(R.layout.row_third, null);

                              

                                         TextView mItemName = (TextView) mLinearView3.findViewById(R.id.textViewItemName);

                                         TextView mItemPrice = (TextView) mLinearView3.findViewById(R.id.textViewItemPrice);

                                         final String itemName = pProductArrayList.get(i).getmSubCategoryList().get(j).getmItemListArray().get(k).getItemName();

                                         final String itemPrice = pProductArrayList.get(i).getmSubCategoryList().get(j).getmItemListArray().get(k).getItemPrice();

                                         mItemName.setText(itemName);

                                         mItemPrice.setText(itemPrice);

                                        

                                         mLinearScrollThird.addView(mLinearView3);

                                        

                                         /**

                                          * set click

                                          */

                                        

                                         mLinearView3.setOnClickListener(new OnClickListener() {

                                               

                                                @Override

                                                public void onClick(View v) {

                                                       // TODO Auto-generated method stub

                                                      

                                                       Toast.makeText(MainActivity.this, "clicked item:"+itemName, Toast.LENGTH_SHORT).show();

                                                }

                                         });

                             }

                          

                           mLinearScrollSecond.addView(mLinearView2);

                 

                  }

                 

                  mLinearListView.addView(mLinearView);

              }            

       }

}

DOWNLOAD ZIP CODE

Your feedback awaited!

Thanks,

Manish