Android Open Source - built.io-todo-android Built U I List View Controller

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Java Source Code

package com.raweng.built.userInterface;
/*w  ww .  jav  a2 s  .  com*/

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import android.app.ProgressDialog;
import android.content.Context;
import android.graphics.Color;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;
import android.widget.TextView;
import android.widget.ViewSwitcher;

import com.raweng.built.BuiltError;
import com.raweng.built.BuiltObject;
import com.raweng.built.BuiltQuery;
import com.raweng.built.QueryResult;
import com.raweng.built.QueryResultsCallBack;
import com.raweng.built.userInterface.pulltorefresh.PullToRefreshBase;
import com.raweng.built.userInterface.pulltorefresh.PullToRefreshBase.Mode;
import com.raweng.built.userInterface.pulltorefresh.PullToRefreshBase.OnRefreshListener2;
import com.raweng.built.userInterface.pulltorefresh.PullToRefreshListView;
import com.raweng.built.utilities.BuiltAppConstants;
import com.raweng.built.utilities.BuiltUtil;

/**
 * This class provides ListView with support of built.io SDK.
 * 
 * @author raw engineering, Inc
 * 
 * <br><b>Example</b><br>
 * <pre class="prettyprint">
 * BuiltUIListViewController listviewproviderObject = new BuiltUIListViewController(context,"classUid");<br>
 * setContentView(listviewproviderObject.getLayout());
 * </pre>
 * <b>OR</b>
 * <p>
 *  It can be added to any layout like :<br>
 * <pre class="prettyprint">
 *  addView(listviewproviderObject.getLayout());</pre><br>
 *  Sample Code:<br>
 *<pre class="prettyprint">
 *  &#160;listviewproviderObject.setProgressDialog(progressDialogObject);
 *  &#160;listviewproviderObject.setLimit(10);
 *  &#160;listviewproviderObject.setPullToRefresh(false); //Default PullToRefresh is true.
 *  &#160;listviewproviderObject.enableAutoScroll();  
 *  &#160;listviewproviderObject.enableSearchView();
 *  &#160;listviewproviderObject.setSearchByUid("fieldUid");
 *  &#160;listviewproviderObject.setListViewBackgroundColor("#d2b48c");
 *  &#160;listviewproviderObject.builtQueryInstance.includeOwner();
 *  &#160;listviewproviderObject.setListViewDividerHeight(2);
 *  &#160;listviewproviderObject.setSearchListViewDividerHeight(2);
 *  &#160;listviewproviderObject.setListViewBackgroundColor(getResources().getColor(R.color.lighter_gray));
 *  &#160;listviewproviderObject.setSearchListViewBackgroundColor(getResources().getColor(R.color.lighter_gray));
 *  &#160;listviewproviderObject.loadData(new BuiltListViewResultCallBack() {
 *  
 *    &#64;Override
 *    public void onError(BuiltError error) {}<br>
 *  
 *    &#64;Override
 *    public void onAlways() {}<br>
 *  
 *    &#64;Override
 *    public int getViewTypeCount() {
 *  
 *      return 1;
 *    }<br>
 *   
 *   &#64;Override
 *   public View getView(int position, View convertView, ViewGroup parent,BuiltObject builtObject){<br>
 * 
 *     LayoutInflater inflater = LayoutInflater.from(context);
 *     convertView             = inflater.inflate(R.layout.your_layout, parent, false);
 *     TextView textView       = (TextView) convertView.findViewById(R.id.textview);
 *     textView.setText(builtObject.getString("name"));
 * 
 *     return convertView;
 *   }<br>
 * 
 *    &#64;Override
 *   public int getItemViewType(int position) {
 * 
 *     return position;
 *   }<br>
 * 
 *  });
 *</pre>
 */
public class BuiltUIListViewController{

  private static final String TAG = "BuiltUIListViewController";

  Context builtListViewContext;

  PullToRefreshListView listview;
  PullToRefreshListView searchListView;

  ProgressDialog  progressDialog;

  ViewSwitcher viewSwitch;

  List<BuiltObject> builtObjects;
  List<BuiltObject> datasourceBuiltObjects;

  ResultDataSource  datasource;

  int limit            = 10;
  int fetchLimit        = 0;

  boolean isSearchViewEnable          = false;
  boolean isPullToRefreshEnable       = true;
  boolean isListRefreshed              = false;
  boolean isProgressDialogEnable         = false;
  boolean isAutoScrollEnable             = false;

  String searchFieldUid = BuiltAppConstants.SEARCH_HINT_NOT_PRESENT;
  String hexCode = "#d3d3d3";

  BuiltQuery searchBuiltQueryInstance;
  BuiltListViewResultCallBack listviewResultCallBack;

  View     listContainer;
  ViewGroup searchViewHeader;

  AdapterView.OnItemClickListener listClickListener;
  ResultDataSource serachDataSource;

  /**
   * Provides TextView object which is used when List is empty.
   */
  public TextView emptyTextView;

  /**
   * Provides {@link BuiltQuery} object which is used for retrieving data.
   */
  private BuiltQuery builtQueryInstance;

  /**
   * Provides boolean object which indicates whether loading is started.
   */
  private boolean isLoadingStart = false;

  /**
   * Initialize {@link BuiltUIListViewController} instance.
   * 
   * @param context
   *            set application context.
   * @param classUid
   *           set class uid.
   *  <br><b>Example</b><br> 
   *  <pre class="prettyprint">
   *  &#160;BuiltUIListViewController listviewproviderObject = new BuiltUIListViewController(context, &#34;classUid&#34;);
   *  </pre>
   */
  public BuiltUIListViewController(Context context, String classUid){
    try{
      builtListViewContext = context;

      LayoutInflater mainLayoutInflater   = (LayoutInflater) builtListViewContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);  
      listContainer     = mainLayoutInflater.inflate(R.layout.builtio_ui_listview_controller_layout, null);

      listview       = (PullToRefreshListView)listContainer.findViewById(R.id.pullToRefreshListView);
      searchListView     = (PullToRefreshListView)listContainer.findViewById(R.id.pullToRefreshSearchListView);

      emptyTextView     = (TextView)listContainer.findViewById(R.id.noComment);

      viewSwitch      = new ViewSwitcher(builtListViewContext);

      builtQueryInstance           = new BuiltQuery(classUid);
      searchBuiltQueryInstance      = new BuiltQuery(classUid);

      datasourceBuiltObjects           = new ArrayList<BuiltObject>();
      datasource = new ResultDataSource(builtListViewContext,datasourceBuiltObjects);

      searchListView.setMode(Mode.BOTH);
      listview.setVisibility(View.GONE);
      searchListView.setVisibility(View.GONE);
      emptyTextView.setVisibility(View.GONE);

      setPullToRefresh(true);

      try {
        AbsListView.LayoutParams newParams = new AbsListView.LayoutParams(LayoutParams.MATCH_PARENT, BuiltUtil.convertToPixel(builtListViewContext, 60));
        viewSwitch.setLayoutParams(newParams);
      } catch (Exception e) {
        e.printStackTrace();
      }

      View footerLoading = LayoutInflater.from(builtListViewContext).inflate(R.layout.builtio_ui_listview_controller_footer, null);
      View footerNoMoreObject = LayoutInflater.from(builtListViewContext).inflate(R.layout.builtio_ui_listview_controller_footer_load_finished, null);
      viewSwitch.addView(footerLoading);
      viewSwitch.addView(footerNoMoreObject);

    }catch(Exception e){
      e.printStackTrace();
    }
  }
  
  /**
   * {@link BuiltQuery} instance for load data in listview.
   * 
   * @return
   *       {@link BuiltQuery} instance.
   * 
   */
  public BuiltQuery getBuiltQueryInstance(){
    
    return builtQueryInstance;
  }
  
  /**
   * {@link BuiltQuery} instance for search.
   * 
   * @return
   *       {@link BuiltQuery} instance.
   * 
   */
  public BuiltQuery getSearchBuiltQueryInstance(){
    
    return searchBuiltQueryInstance;
  }

  /**
   * This provides the  parent layout of this  {@link BuiltUIListViewController} instance.
   *
   * @return 
   *        {@link View} which is set for {@link BuiltUIListViewController} instance. 
   * 
   * <br><b>Example</b><br>
   * <pre class="prettyprint"> 
   * &#160;setContentView(listviewproviderObject.getLayout());
   * </pre>
   */
  public View getLayout(){

    return listContainer;  
  }

  /**
   * This provides the object of {@link PullToRefreshListView}.
   * 
   * @return 
   *       Returns {@link PullToRefreshListView} object.
   * 
   */
  public PullToRefreshListView getListView(){
    return listview;
  }

  /**
   * This provides the object of {@link PullToRefreshListView}.
   * 
   * 
   * @return 
   *       Returns {@link PullToRefreshListView} object.
   * 
   */
  public PullToRefreshListView getSearchListView(){
    return searchListView;
  }

  /**
   * Provides adapter object.
   * 
   * @return
   *       provide ArrayAdapter&#60;BuiltObject&#62; Object. 
   * 
   * <br><b>Example</b><br>
   * <pre class="prettyprint"> 
   * &#160;ArrayAdapter&#60;BuiltObject&#62; adapterObject = listviewprovider.getDataSourceObject();
   * </pre>
   */
  public ArrayAdapter<BuiltObject> getDataSourceObject(){
    return datasource;
  }

  /**
   * Provides the count of elements in adapter.
   * 
   * @return 
   *       provides number of adapter objects.
   * <br><b>Example</b><br>
   * <pre class="prettyprint"> 
   * &#160;int count = listviewproviderObject.getCount();
   * </pre>
   */
  public int getCount(){
    if(datasource != null){
      return datasource.getCount();
    }
    return 0;
  }

  /**
   * Set limit to ListView.
   * 
   * @param loadLimit
   *           set limit.
   * 
   * <br><b>Default</b><br> loadLimit is 10.
   * 
   * <br><b>Example</b><br>
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.setLimit(20);
   * </pre>
   * 
   */
  public void setLimit(int loadLimit){
    limit = loadLimit;
  }

  /**
   * Get limit which is set list to load object.
   * 
   * @return loadLimit
   *           provide limit which was set for load object. 
   * <br><b>Example</b><br>
   * <pre class="prettyprint"> 
   * &#160;int limit = listviewproviderObject.getLimit();  
   * </pre>
   */
  public int getLimit(){
    return limit;
  }

  /**
   * Delete the object at given position from adapter.
   * Default adapter counting start from 0.
   * 
   * @param position
   *         position of object.
   * 
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.deleteBuiltObjectAtIndex(1);
   * </pre>
   * 
   * @return
   *       returns true,if object deleted successfully else returns false.
   */
  public boolean deleteBuiltObjectAtIndex(int position){
    if(datasource != null){
      if(position < datasource.getSize()){
        datasource.remove(datasource.getItem(position));
        return true;
      }
    }
    return false;
  }

  /**
   * Insert the object at position inside adapter.
   * Default adapter counting start from 0.
   * 
   * @param position
   *           position of object.
   * @param object
   *           BuiltObject instance.
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.insertBuiltObjectAtIndex(0,builtObject);
   * </pre>
   * 
   * @return
   *       returns true,if object inserted successfully else returns false.
   */
  public boolean insertBuiltObjectAtIndex(int position,BuiltObject object){
    
    if(datasource != null && object != null){

      if(position <= datasource.getSize() && position >= 0){

        if(emptyTextView.getVisibility() == View.VISIBLE || datasource.isEmpty()){

          emptyTextView.setVisibility(View.GONE);
          datasource.insert(object, 0);
          listview.setAdapter(datasource);
          listview.invalidate();
          return true;
        }else{
          datasource.insert(object, position);
          return true;
        }
      }

    }
    return false;
  }

  /**
   * Replace the object at position inside adapter.
   * Default adapter counting start from 0.
   * 
   * @param position
   *           position of object.
   * 
   * @param object
   *           BuiltObject instance.
   * 
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.replaceBuiltObjectAtIndex(2,builtObject);
   * </pre>
   * 
   * @return
   *       returns true,if object replaced successfully else returns false.
   */
  public boolean replaceBuiltObjectAtIndex(int position,BuiltObject object){

    boolean deleteStatus = false;
    boolean insertStatus = false;

    if(datasource != null && object != null){
      if(position <= datasource.getSize() && position >= 0){
        insertStatus = true;
      }
      if(position < datasource.getSize() ){
        deleteStatus = true;
      }
    }

    if(insertStatus && deleteStatus){
      datasource.remove(datasource.getItem(position));
      datasource.insert(object, position);
      return true;
    }else{
      return false;
    }

  }

  /**
   * Notifies the attached observers that the underlying data has been changed and any View reflecting the data set should refresh itself.
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.notifyDataSetChanged();
   * </pre>
   */
  public void notifyDataSetChanged(){
    if(datasource != null){
      datasource.notifyDataSetChanged();
    }  
  }

  /**
   * Sets the height of the divider that will be drawn between each item in the list. 
   * 
   * @param height
   *         The new height of the divider in pixels.
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.setListViewDividerHeight(2);
   * </pre>
   */
  public void setListViewDividerHeight(int height){
    if(listview != null){
      try {
        listview.getRefreshableView().setDividerHeight(BuiltUtil.convertToPixel(builtListViewContext, height));
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }

  /**
   * Sets the height of the divider that will be drawn between each item in the search list. 
   * 
   * @param height
   *         The new height of the divider in pixels.
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.setSearchListViewDividerHeight(2);
   * </pre> 
   */
  public void setSearchListViewDividerHeight(int height){
    if(searchListView != null){
      try {
        searchListView.getRefreshableView().setDividerHeight(BuiltUtil.convertToPixel(builtListViewContext, height));
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }

  /**
   * Returns the height of the divider that will be drawn between each item in the list.
   * 
   * @return
   *       divider height.
   */
  public int getListViewDividerHeight(){
    if(listview != null){
      return listview.getRefreshableView().getDividerHeight();
    }
    return 0;
  }

  /**
   * Returns the height of the divider that will be drawn between each item in the search list.
   * 
   * @return
   *       divider height.
   */
  public int getSearchListViewDividerHeight(){
    if(searchListView != null){
      return searchListView.getRefreshableView().getDividerHeight();
    }
    return 0;
  }


  /**
   * Set background color to search view.
   * 
   * @param hexNumber
   *         Provide Hex number
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.setSearchViewColor("#d2b48c");
   * </pre>
   */
  public void setSearchViewBackgroundColor(String hexNumber){
    Pattern pattern;
    Matcher matcher;
    String HEX_PATTERN = "^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$";
    pattern = Pattern.compile(HEX_PATTERN);
    if(hexNumber != null){
      matcher = pattern.matcher(hexNumber);
      if(matcher.matches()){
        hexCode = hexNumber;
      }
    }
  }

  /**
   * Sets the background color for this Search ListView.
   * 
   * @param color
   *         the color of the background
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.setSearchListViewBackgroundColor(getResources().getColor(R.color.lighter_gray));
   * </pre>
   */
  public void setSearchListViewBackgroundColor(int color){

    if(searchListView != null){
      searchListView.setBackgroundColor(color);
    }
  }

  /**
   * Clears all items in adapter.
   * 
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.clearAll();
   * </pre>
   */
  public void clearAll(){
    if(datasource != null){
      datasource.clearAll();
    }
  }

  /**
   * Set background color to ListView.
   * 
   * @param hexNumber
   *         Provide Hex number
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.setListViewBackgroundColor(&#34;#d2b48c&#34;);
   * </pre>
   */
  public void setListViewBackgroundColor(String hexNumber){
    Pattern pattern;
    Matcher matcher;
    String HEX_PATTERN = "^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$";
    pattern = Pattern.compile(HEX_PATTERN);
    if(hexNumber != null){
      matcher = pattern.matcher(hexNumber);
      if(matcher.matches()){
        listview.setBackgroundColor(Color.parseColor(hexNumber));
      }
    }
  }

  /**
   * Sets the background color for this ListView.
   * 
   * @param color
   *         the color of the background
   * 
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.setListViewBackgroundColor(getResources().getColor(R.color.lighter_gray));;
   * </pre>
   */
  public void setListViewBackgroundColor(int color){
    if(listview != null){
      listview.setBackgroundColor(color);
    }
  }

  /**
   * Set uid of the field to search for.
   * 
   * @param fieldUid
   *         set uid.
   * <br><b>Example</b><br>
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.setSearchByUid(&#34;name&#34;);
   * </pre>
   */
  public void setSearchByUid(String fieldUid){
    if(fieldUid != null){
      searchFieldUid = fieldUid;
    }
  }

  /**
   * Get the search field&#39;s uid.
   *     
   * @return uid. 
   * 
   * <br><b>Example</b><br>
   * <pre class="prettyprint"> 
   * &#160;String uid = listviewproviderObject.getSearchFieldUid();
   * </pre>
   */
  public String getSearchFieldUid(){
    return searchFieldUid;
  }

  /**
   * Enables search view.
   * Use {@link #setSearchByUid} to set FieldUid.
   * <br><b>Example</b><br>
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.enableSearchView();
   * </pre>
   */
  public void enableSearchView(){
    isSearchViewEnable = true;
    RelativeLayout relativeLayout = (RelativeLayout) listContainer.findViewById(R.id.listviewContainer);

    RelativeLayout.LayoutParams listparams = new RelativeLayout.LayoutParams(LayoutParams.MATCH_PARENT,LayoutParams.MATCH_PARENT);
    LayoutInflater searchViewInflater = LayoutInflater.from(builtListViewContext);

    searchViewHeader = (ViewGroup)searchViewInflater.inflate(R.layout.builtio_searchview_in_built_ui_listview_controller, listview, false);
    searchViewHeader.setBackgroundColor(Color.parseColor(hexCode));
    relativeLayout.addView(searchViewHeader);
    listparams.addRule(RelativeLayout.BELOW, searchViewHeader.getId());
    listview.setLayoutParams(listparams);
    searchListView.setLayoutParams(listparams);
  }

  /**
   * Enable or disable com.raweng.pulltorefresh feature.
   * 
   * @param isPullToRefresh
   *              true/false
   * <br><b>Default</b><br>  true
   * 
   * <br><b>Example</b><br>
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.setPullToRefresh(false);
   * </pre>
   */
  public void setPullToRefresh(boolean isPullToRefresh){

    listview.setVisibility(View.VISIBLE);
    if(isPullToRefresh){

      isPullToRefreshEnable = true;
      listview.setMode(Mode.BOTH);

      if(listClickListener != null){
        setOnItemClickListener(listClickListener);
      }

    }else{

      isPullToRefreshEnable = false; 
      listview.setMode(Mode.PULL_FROM_END);

      if(listClickListener != null){
        setOnItemClickListener(listClickListener);
      }
    }
    if(isAutoScrollEnable){
      listview.setMode(Mode.DISABLED);
      enableAutoScroll();
    }
  }

  /**
   * Load the next object on scroll.
   * 
   * If its disabled then user will have to pull-up the list from bottom to load next objects.
   * 
   * <br><b>Example</b><br>
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.enableAutoScroll();
   * </pre>
   */
  public void enableAutoScroll(){
    isAutoScrollEnable = true;

    if(isPullToRefreshEnable && isAutoScrollEnable){
      listview.setMode(Mode.PULL_FROM_START);

    }else if(!isPullToRefreshEnable && isAutoScrollEnable){
      listview.setMode(Mode.DISABLED);
    }

    if(builtListViewContext != null){
      listview.getRefreshableView().addFooterView(viewSwitch);
    }
  }

  /**
   * Provides list of {@link BuiltObject}<br>
   *  
   * @param callback
   *           {@link BuiltListViewResultCallBack} object to notify the application when the request has completed and provides getView().
   * 
   * <br><b>Example</b><br>
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.loadData(new BuiltListViewResultCallBack{<br>
   * 
   * &#160;&#64;Override<br>
   * &#160;public void getView(int position, View convertView, ViewGroup parent, BuiltObject builtObject) { }<br>
   * 
   * &#160;&#64;Override<br>
   * &#160;public void onError(String error) { }<br>
   *  
   * &#160;&#64;Override <br>
   * &#160;public void onAlways() { } });
   * </pre>
   *  
   */
  public void loadData(BuiltListViewResultCallBack callback) {

    if(callback != null){
      listviewResultCallBack = callback;
      isLoadingStart = true;
      datasource.setCallBack(callback);
      try{
        if(isProgressDialogEnable)
          progressDialog.show();
      }catch(Exception e){
        e.printStackTrace();
      }

      if(isPullToRefreshEnable){
        if(isListRefreshed){
          fetchLimit       = 0;
          isListRefreshed = false;
        }
        builtQueryInstance.skip(fetchLimit).limit(limit);
        queryExecuteAtFirstTime(builtQueryInstance);
      }else{
        builtQueryInstance.limit(limit);
        queryExecuteAtFirstTime(builtQueryInstance);
      }
      refreshListView();
      loadMoreOnScroll();
      loadObjectOnSearchList();

    }
  }

  /**
   * Callback method to be invoked when an item in this AdapterView has been clicked.
   *  
   * @param AdapterView.OnItemClickListener
   *             AdapterView.OnItemClickListener Object.
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.setOnItemClickListener(new OnItemClickListener() {<br>
   * 
   * &#160;@Override<br>
   * &#160;public void onItemClick(AdapterView<?> parent, View view, int position,long id) {}<br>
   * &#160;});<br>
   * </pre>
   */
  public void setOnItemClickListener(AdapterView.OnItemClickListener listViewItemClickListener){

    listClickListener = listViewItemClickListener;

    listview.setOnItemClickListener(listClickListener);
    searchListView.setOnItemClickListener(listClickListener);

  }

  /**
   * Set progress dialog.<br>
   * 
   * @param progressDialog
   *               progressDialog Object.
   * <br><b>Example</b><br> 
   * <pre class="prettyprint"> 
   * &#160;listviewproviderObject.setProgressDialog(progressDialogObject);
   * </pre>
   */
  public void setProgressDialog(ProgressDialog progressDialog){
    if(progressDialog != null){
      isProgressDialogEnable =  true;
      this.progressDialog = progressDialog;
    }
  }

  /*****************************************************************************************************************************************************************************
   * 
   ****************************** Private Methods  *************************************************************
   * 
   ****************************************************************************************/

  private void queryExecuteAtFirstTime(BuiltQuery builtQueryInstance){

    builtQueryInstance.exec(new QueryResultsCallBack() {

      @Override  
      public void onSuccess(QueryResult builtqueryresult) {
        datasourceBuiltObjects.clear();
        listview.onRefreshComplete();

        try{
          if(isProgressDialogEnable)
            progressDialog.dismiss();
        }catch(Exception e){
          e.printStackTrace();
        }
        int size = 0;
        if(builtqueryresult.getResultObjects() != null){
          size = builtqueryresult.getResultObjects().size();
        }

        if(size <= 0 || limit <= 0){ 
          listview.setEmptyView(emptyTextView);
          emptyTextView.setVisibility(View.VISIBLE);
          listviewResultCallBack.onAlways();
        }else if(size != 0){

          emptyTextView.setVisibility(View.GONE);
          builtObjects = builtqueryresult.getResultObjects();
          if(listviewResultCallBack != null){

            for(int i = 0; i < size; i++){
              datasource.add(builtObjects.get(i));
            }

            listview.setAdapter(datasource);
          }
        }
      }
      @Override
      public void onError(BuiltError error) {
        listview.onRefreshComplete();
        if(listviewResultCallBack != null){
          listviewResultCallBack.onError(error);
        }
        try{
          if(isProgressDialogEnable){
            progressDialog.dismiss();
          }
        }catch(Exception e){
          e.printStackTrace();
        }
      }
      @Override
      public void onAlways() {
        isLoadingStart = false;
        if(listviewResultCallBack != null){
          listviewResultCallBack.onAlways();
        }
      } 
    });
  }
  private void loadMoreOnScroll(){

    listview.setOnScrollListener(new OnScrollListener() {

      @Override
      public void onScrollStateChanged(AbsListView view, int scrollState) {
      }

      @Override
      public void onScroll(AbsListView view, int firstVisibleItem,int visibleItemCount, int totalItemCount) {

        final int lastItem = firstVisibleItem + visibleItemCount;
        if(lastItem == totalItemCount) {
          if(!isLoadingStart && isAutoScrollEnable && !isListRefreshed ){
            addObjectOnScroll();

          }
        }
      }

    });
  }

  @SuppressWarnings("deprecation")
  private void refreshListView(){

    listview.setOnRefreshListener(new OnRefreshListener2<ListView>() {
      @Override
      public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) { 
        isListRefreshed = true;
        listview.setRefreshingLabel(BuiltAppConstants.PULL_DOWN_REFRESH_LABEL);
        fetchLimit = 0;

        if(isAutoScrollEnable){
          viewSwitch.showNext();
        }

        if(!isLoadingStart){ 
          isProgressDialogEnable = false;
          loadData(listviewResultCallBack);
        }      
      }
      @Override
      public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
        listview.setRefreshingLabel(BuiltAppConstants.PULL_UP_REFRESH_LABEL);

        if(!isPullToRefreshEnable){
          addObjectOnScroll();
        }else{
          if(!isLoadingStart){
            isProgressDialogEnable = false;
            addObjectOnScroll();
          } 
        }
      }
    });
  }
  private void addObjectOnScroll(){

    isLoadingStart = true;

    if(isListRefreshed){
      isListRefreshed = false;
    }else{
      fetchLimit = limit + fetchLimit;
    }
    builtQueryInstance.skip(fetchLimit).exec(new QueryResultsCallBack() {

      @Override  
      public void onSuccess(QueryResult builtqueryresult) { 

        listview.onRefreshComplete();
        int size = 0; 

        if(builtqueryresult.getResultObjects() != null){
          size = builtqueryresult.getResultObjects().size();
        }
        if(size != 0){
          builtObjects = builtqueryresult.getResultObjects();

          if(listviewResultCallBack != null){

            for(int i = 0; i < size; i++){
              datasource.add(builtObjects.get(i));
            }
            int currentPosition = listview.getRefreshableView().getFirstVisiblePosition()+1;
            listview.getRefreshableView().setSelection(currentPosition);
          }
        }else{
          if(isAutoScrollEnable){
            isListRefreshed = true;
            viewSwitch.showNext();
          }else{
            isListRefreshed = false;
          }
        }
      }
      @Override
      public void onError(BuiltError error) {
        listview.onRefreshComplete();
        if(listviewResultCallBack != null){
          listviewResultCallBack.onError(error);
        }
      }
      @Override
      public void onAlways() {
        isLoadingStart = false;
        if(listviewResultCallBack != null){
          listviewResultCallBack.onAlways();
        }
      }
    });
  }

  private void loadObjectOnSearchList(){
    if(isSearchViewEnable){

      final Button searchButton              = (Button)searchViewHeader.findViewById(R.id.buttonSearch);
      final Button backButton          = (Button)searchViewHeader.findViewById(R.id.buttonBack);

      final ImageButton closeSearchImageView = (ImageButton)searchViewHeader.findViewById(R.id.closeSearchImage);
      final EditText searchKeyEditText       = (EditText)searchViewHeader.findViewById(R.id.searchKey);
      final ImageView searchImageView        = (ImageView)searchViewHeader.findViewById(R.id.searchImage);

      searchViewHeader.setBackgroundColor(Color.parseColor(hexCode));

      searchKeyEditText.setHint(BuiltAppConstants.SEARCH_HINT + searchFieldUid);

      searchKeyEditText.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View arg0) {

          closeSearchImageView.setEnabled(true);  
          closeSearchImageView.setVisibility(View.VISIBLE);


          searchImageView.setVisibility(View.GONE);

          searchKeyEditText.setFocusable(true);
          searchKeyEditText.requestFocus();

          searchButton.setEnabled(true);
        }
      });
      searchImageView.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View arg0) {

          closeSearchImageView.setEnabled(true);  
          closeSearchImageView.setVisibility(View.VISIBLE);

          searchImageView.setVisibility(View.GONE);

          searchKeyEditText.setFocusable(true);
          searchKeyEditText.setEnabled(true);
          searchKeyEditText.requestFocus();

          searchButton.setEnabled(true);
        }
      });

      closeSearchImageView.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View arg0) {
          searchKeyEditText.setText("");

          searchImageView.setVisibility(View.VISIBLE);
          closeSearchImageView.setVisibility(View.GONE);
          closeSearchImageView.setEnabled(false);
          searchKeyEditText.setEnabled(false);
          searchButton.setEnabled(false);

        }
      });

      backButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View arg0) {

          backButton.setEnabled(false);
          searchButton.setEnabled(false);

          searchKeyEditText.setEnabled(false);
          searchKeyEditText.setText("");
          searchImageView.setVisibility(View.VISIBLE);

          if(serachDataSource != null){
            serachDataSource.clearAll();
          }

          listview.setVisibility(View.VISIBLE);
          searchListView.setVisibility(View.GONE);
        }
      });

      searchButton.setOnClickListener(new View.OnClickListener() {


        @Override
        public void onClick(View v) {

          backButton.setEnabled(true);

          String searchString = searchKeyEditText.getText().toString().trim();
          searchKeyEditText.setText("");

          searchImageView.setVisibility(View.VISIBLE);
          closeSearchImageView.setVisibility(View.GONE);
          searchKeyEditText.setEnabled(true);
          closeSearchImageView.setEnabled(false);

          listview.setVisibility(View.INVISIBLE);
          searchListView.setVisibility(View.VISIBLE);

          if(!searchString.isEmpty()){
            searchButton.setEnabled(false);

            if(serachDataSource != null){
              serachDataSource.clearAll();
            }
            isProgressDialogEnable = false;
            try{
              if(!isProgressDialogEnable){
                progressDialog.show(); 
                isProgressDialogEnable = true;
              }
            }catch(Exception e){
              e.printStackTrace();
            }
            isLoadingStart = true;
            searchBuiltQueryInstance.skip(0).where(searchFieldUid,searchString).includeOwner().exec(new QueryResultsCallBack() {

              @Override  
              public void onSuccess(QueryResult builtqueryresult) {
                searchListView.onRefreshComplete();
                int size = 0;
                try{
                  if(isProgressDialogEnable){
                    progressDialog.dismiss();
                    isProgressDialogEnable = false;
                  }
                }catch(Exception e){
                  e.printStackTrace();
                }

                if(builtqueryresult.getResultObjects() != null){
                  size = builtqueryresult.getResultObjects().size();
                }

                if(size != 0){
                  if(listviewResultCallBack != null){
                    builtObjects = builtqueryresult.getResultObjects();
                    serachDataSource = new ResultDataSource(builtListViewContext,builtObjects);
                    serachDataSource.setCallBack(listviewResultCallBack);
                    searchListView.setAdapter(serachDataSource);
                  }
                }else{
                  searchListView.setEmptyView(emptyTextView);
                }
              }
              @Override
              public void onError(BuiltError error) {
                try{
                  if(isProgressDialogEnable)
                    progressDialog.dismiss();
                  isProgressDialogEnable = false;
                }catch(Exception e){
                  e.printStackTrace();
                }
                if(listviewResultCallBack != null){
                  listviewResultCallBack.onError(error);
                }
                searchListView.onRefreshComplete();

              }

              @Override
              public void onAlways() {
                isLoadingStart = false;
                searchKeyEditText.setEnabled(false);
                if(listviewResultCallBack != null){
                  listviewResultCallBack.onAlways();
                }
              } 
            });

          }else{
            searchListView.setEmptyView(emptyTextView);
          }
        }
      });
    }
  }
}
Java Source Code List
