Does ListView have scroll?

In this post lets see how we can scroll Android ListView both Horizontally and Vertically.

For making Android Listview Horizontal scroll possible we can use HorizontalScrollView. Lets see how we can implement HorizontalScrollView to make our Android Listview scroll in both directions i.e. Horizontally as well as Vertically.

Now we can move on to programming our Android ListView.

Create a new class file with name items.java and edit it as below. This file is just a work around file instead of making a whole SQLite database. This is my Data source for my ListView.

items.java:

package com.parallel.stockmanagement; import java.util.ArrayList; import java.util.List; public class Items { public String ItemRef; public String Item; public String Supplier; public int LatestStock; public int SalePrice; public String BinNumber; public int Balance; public Items[] { } public Items[String itemRef, String item, String supplier, int latestStock, int salePrice, String binNumber, int balance] { ItemRef = itemRef; Item = item; Supplier = supplier; LatestStock = latestStock; SalePrice = salePrice; BinNumber = binNumber; Balance = balance; } public List GetItems[] { List lstItems = new ArrayList[]; lstItems.add[new Items["IT1001", "Weetabix Original 430g", "Weetabix", 57, 9, "B7", 50]]; lstItems.add[new Items["IT1002", "Weetabix Chocolate 500g", "Weetabix", 136, 122, "B8", 120]]; lstItems.add[new Items["IT1003", "Milo Honey Stars 500g", "Nestle", 90, 89, "B1", 80]]; lstItems.add[new Items["IT1004", "Corn Flakes 500g", "Kellogg", 149, 99, "B7", 149]]; lstItems.add[new Items["IT1005", "All Bran Flakes 500g", "Kellogg", 180, 199, "B2", 100]]; lstItems.add[new Items["IT1006", "Ricoffy 100g", "Ricoffy", 50, 54, "B3", 50]]; lstItems.add[new Items["IT1007", "Lays Maxx Craquantes 145g", "Lays", 47, 59, "B12", 47]]; lstItems.add[new Items["IT1008", "Lays Potato Chips 145g", "Lays", 50, 74, "B12", 50]]; lstItems.add[new Items["IT1009", "Madeleines 250g", "St Michel", 75, 79, "B2", 75]]; lstItems.add[new Items["IT10010", "Petis Pois 425g", "Regal", 75, 18, "B13", 70]]; lstItems.add[new Items["IT10011", "Peas 40g", "Carnel", 7, 18, "B1", 7]]; lstItems.add[new Items["IT10012", "Roasted Peanuts 500g", "Tropic", 80, 62, "B5", 70]]; lstItems.add[new Items["IT10013", "Tropical Mix 125g", "Tropic", 90, 53, "B6", 85]]; lstItems.add[new Items["IT10014", "Sweet Kernel Corn 400g", "O&P", 72, 21, "B8", 70]]; lstItems.add[new Items["IT10015", "Cadbury Fingers Dark & Milk 125g", "Cadbury", 65, 55, "B9", 60]]; lstItems.add[new Items["IT10016", "Mushrooms Pieces & Sterns 400g", "Kalite", 60, 23, "B6", 59]]; lstItems.add[new Items["IT10017", "Bisuits Caramel & Crunchie 130g", "Cadbury", 70, 68, "B10", 70]]; lstItems.add[new Items["IT10018", "Barbecue Sauce 300ml", "Sunny", 60, 27, "B10", 40]]; lstItems.add[new Items["IT10019", "Butter Doux 200g", "Lurpak", 50, 52, "B11", 50]]; lstItems.add[new Items["IT10020", "Olive Grove 500g", "Olive", 190, 119, "B20", 150]]; return lstItems; } }

Now edit your MainActivity.java file as below:
MainActivity.java:

package com.parallel.stockmanagement; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.widget.ListView; import android.widget.SimpleAdapter; import android.widget.Toast; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; public class MainActivity extends AppCompatActivity { ListView lstStockItems; @Override protected void onCreate[Bundle savedInstanceState] { super.onCreate[savedInstanceState]; setContentView[R.layout.activity_main]; lstStockItems = findViewById[R.id.lstStockItems]; FillList[]; } public void FillList[] { try { Items items = new Items[]; List prolist = new ArrayList[]; String[] from = {"ItemRef", "Item", "Supplier", "LatestStock", "SalePrice", "BinNumber", "Balance"}; int[] views = {R.id.txtItemRef, R.id.txtItemName, R.id.txtSupplier, R.id.txtLatestStock, R.id.txtSalePrice, R.id.txtBinNumber, R.id.txtBalance}; List lsr = items.GetItems[]; for [int i = 0; i < lsr.size[]; i++] { Map datanum = new HashMap[]; datanum.put["ItemRef", lsr.get[i].ItemRef]; datanum.put["Item", String.valueOf[lsr.get[i].Item]]; datanum.put["Supplier", String.valueOf[lsr.get[i].Supplier]]; datanum.put["LatestStock", String.valueOf[lsr.get[i].LatestStock]]; datanum.put["SalePrice", String.valueOf[lsr.get[i].SalePrice]]; datanum.put["BinNumber", String.valueOf[lsr.get[i].BinNumber]]; datanum.put["Balance", String.valueOf[lsr.get[i].Balance]]; prolist.add[datanum]; } final SimpleAdapter simpleAdapter = new SimpleAdapter[MainActivity.this, prolist, R.layout.lst_items, from, views]; lstStockItems.setAdapter[simpleAdapter]; } catch [Exception ex] { Toast.makeText[MainActivity.this, ex.getMessage[].toString[], Toast.LENGTH_LONG].show[]; } } }

March 8, 2020

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