Pinned Section Listview

DemoFoodListAdapter

public class DemoFoodListAdapter extends BaseAdapter implements PinnedSectionListAdapter{

// i am following this library @aamir & @sweetwisher
// https://github.com/beworker/pinned-section-listview


	private final Context mContext;
	ArrayList<Food> foodList;
	DisplayImageOptions options;
	ImageLoader imageLoader = ImageLoader.getInstance();

	// View Type for Separators
	private static final int ITEM_VIEW_TYPE_SEPARATOR = 0;
	// View Type for Regular rows
	private static final int ITEM_VIEW_TYPE_REGULAR = 1;
	// Types of Views that need to be handled
	// -- Separators and Regular rows --
	private static final int ITEM_VIEW_TYPE_COUNT = 2;

	// we use universal image loader library

	public DemoFoodListAdapter(Context context, ArrayList<Food> list) {

		mContext = context;
		this.foodList = list;
		// =============== UIL Initialization =================

		options = new DisplayImageOptions.Builder()

		.showImageForEmptyUri(R.drawable.ic_launcher)
				.showImageOnFail(R.drawable.ic_launcher)
				.displayer(new RoundedBitmapDisplayer(5)).cacheInMemory(true)
				.build();

		ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(
				mContext).diskCacheExtraOptions(480, 480, null).build();
		imageLoader.init(config);

		// =====================================================
	}

	/*
	 * DONE
	 */@Override
	public int getCount() {
		// return 100;
		return foodList.size();

	}

	@Override
	public Food getItem(int position) {
		return foodList.get(position);
	}

	@Override
	public long getItemId(int position) {
		return position;
	}

	@Override
	public boolean isEnabled(int position) {

		return getItemViewType(position) != ITEM_VIEW_TYPE_SEPARATOR;
	}

	@Override
	public int getViewTypeCount() {
		return ITEM_VIEW_TYPE_COUNT;
	}

	@Override
	public int getItemViewType(int position) {

		return foodList.get(position).getFoodType();
	}

	/*
	 * 
	 * Responsible for Pinned ListView
	 */
	@Override
	public boolean isItemViewTypePinned(int viewType) {
		// TODO Auto-generated method stub
		return viewType == Food.FOOD_SECTION;
	}

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		ViewHolder holder = null;

		final Food aFood = foodList.get(position);

		if (convertView == null) {

			holder = new ViewHolder();

			switch (aFood.getFoodType()) {

			case Food.FOOD_SECTION:

				convertView = LayoutInflater.from(mContext).inflate(
						R.layout.item_food_header, parent, false);

				holder.food_section_header = (TextView) convertView
						.findViewById(R.id.header);

				break;

			case Food.FOOD_ITEM:

				convertView = LayoutInflater.from(mContext).inflate(
						R.layout.listview_item_a_food, parent, false);

				holder.food_name = (TextView) convertView
						.findViewById(R.id.food_name);

				holder.food_description = (TextView) convertView
						.findViewById(R.id.food_description);

				holder.food_image = (ImageView) convertView
						.findViewById(R.id.imageView_food_pic);

				break;

			}

			// holder.ratingBar_restaurent = (RatingBar) convertView
			// .findViewById(R.id.ratingBar_restaurent);

			convertView.setTag(holder);

		} else {

			holder = (ViewHolder) convertView.getTag();

		}

		convertView.setClickable(true);
		convertView.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View arg0) {

    // <<   this is fired  for item >>>
				Toast.makeText(mContext, "Food Item : " + aFood.getFoodName(),
						Toast.LENGTH_LONG).show();

			}
		});

		switch (aFood.getFoodType()) {

		case Food.FOOD_SECTION:

			holder.food_section_header.setText(aFood.getFoodTypeName());

			break;

		case Food.FOOD_ITEM:

			holder.food_name.setText(aFood.getFoodName());

			break;

		}

	
		return convertView;
	}

	class ViewHolder {

		private int catatory_id;
		private TextView food_name;
		private TextView food_section_header;
		private TextView food_description;
		private ImageView food_image;
		RatingBar ratingBar_restaurent;

	}

}

DemoRestaurentFoodListActivity

public class DemoRestaurentFoodListActivity extends Activity {

	DemoRestaurentFoodListActivity activity = this;

	// TODO GET THE LIST FROM HALAL HUBS: finished
	// TODO SET THE LSIT ITEM LAYOUT & ADAPTER : finished
	// TODO SHOW LIST , implements pin secion list adapter : finish

	PinnedSectionListView list_view_foodList;
	// ListView list_view_foodList;
	private DemoFoodListAdapter foodListAdapter;
	ArrayList<Food> foodList = new ArrayList<Food>();

	private boolean isFastScroll = false;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		setContentView(R.layout.demo_activity_food_list);

		list_view_foodList = (PinnedSectionListView) findViewById(R.id.list_view_foodList);
		// list_view_foodList = (ListView)
		// findViewById(R.id.list_view_foodList);
		// list_view_foodList.setClickable(true);

		// getListView().setFastScrollEnabled(isFastScroll);

		try {

			if (InternetConnection.isAvailable(activity)) {

				getFoodListFromAPI();

			} else {

				showAlert(activity);

			}

			list_view_foodList
					.setOnItemClickListener(new OnItemClickListener() {

						@Override
						public void onItemClick(AdapterView<?> arg0, View arg1,
								int position, long arg3) {

							// TODO GO TO NEXT PAGE
							Food food = foodList.get(position);

							Toast.makeText(getApplicationContext(),
									"Food Item : " + food.getFoodTypeName(),
									Toast.LENGTH_LONG).show();

							if (food.getFoodType() == Food.FOOD_ITEM) {
								
								// <<<   this is not Fired  !!!>>>>
								// do your want to do...

								Toast.makeText(getApplicationContext(),
										"Food Item : " + food.getFoodName(),
										Toast.LENGTH_LONG).show();

							
							} else if (food.getFoodType() == Food.FOOD_SECTION) {

								// the Section is on click
								// <<<   this is  Fired  !!!>>>>

								Toast.makeText(getApplicationContext(),
										"" + food.getFoodTypeName(),
										Toast.LENGTH_LONG).show();

							}

						}
					});

		} catch (RuntimeException e) {

			e.printStackTrace();

		} catch (Exception e) {

			e.printStackTrace();
		}

	}

	

	public void getFoodListFromAPI() {

		GetFoodListFromAPI api = new GetFoodListFromAPI(activity, true);

		api.setListener(new CustomListener() {

			@Override
			public void ModificationMade() {

				foodList = ApplicationData.foodList;
				foodListAdapter = new DemoFoodListAdapter(
						getApplicationContext(), foodList);

				list_view_foodList.setAdapter(foodListAdapter);
				// setListAdapter(foodListAdapter);

			}
		});

		api.execute();
	}

	public void showAlert(final Activity activity) {

		if (InternetConnection.isAvailable(activity)) {

			getFoodListFromAPI();

		} else {

			new AlertDialog.Builder(activity)
					.setIcon(android.R.drawable.ic_dialog_alert)
					.setTitle("No Internet Connection")
					.setMessage("Please check your connectivity.")
					.setPositiveButton("Exit",
							new DialogInterface.OnClickListener() {

								@Override
								public void onClick(DialogInterface dialog,
										int which) {

									InternetConnection
											.ExitApplication(activity);

								}

							})
					.setNegativeButton("Retry",
							new DialogInterface.OnClickListener() {

								@Override
								public void onClick(DialogInterface dialog,
										int which) {

									// Stop the activity
									showAlert(activity);

								}

							}).show();
		}

	}
}