From 8acfaf4161854279b2027ec95fb72a6bcabba8ef Mon Sep 17 00:00:00 2001
From: Wan Ching <wanching_97@hotmail.com>
Date: Fri, 14 Jul 2017 00:47:50 +0800
Subject: [PATCH] changed public data field to private data field

---
 .../customadapterdemo/CustomUsersAdapter.java    | 13 ++++++++-----
 .../codepath/example/customadapterdemo/User.java | 16 ++++++++++++++--
 2 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/app/src/main/java/com/codepath/example/customadapterdemo/CustomUsersAdapter.java b/app/src/main/java/com/codepath/example/customadapterdemo/CustomUsersAdapter.java
index e29b938..053f42a 100644
--- a/app/src/main/java/com/codepath/example/customadapterdemo/CustomUsersAdapter.java
+++ b/app/src/main/java/com/codepath/example/customadapterdemo/CustomUsersAdapter.java
@@ -16,18 +16,21 @@ public CustomUsersAdapter(Context context, ArrayList<User> users) {
 
      @Override
      public View getView(int position, View convertView, ViewGroup parent) {
-        // Get the data item for this position
-        User user = getItem(position);    
+
         // Check if an existing view is being reused, otherwise inflate the view
         if (convertView == null) {
            convertView = LayoutInflater.from(getContext()).inflate(R.layout.item_user, parent, false);
         }
-        // Lookup view for data population
+
+         // Get the data item for this position
+         User user = getItem(position);
+
+         // Lookup view for data population
         TextView tvName = (TextView) convertView.findViewById(R.id.tvName);
         TextView tvHome = (TextView) convertView.findViewById(R.id.tvHometown);
         // Populate the data into the template view using the data object
-        tvName.setText(user.name);
-        tvHome.setText(user.hometown);
+        tvName.setText(user.getName());
+        tvHome.setText(user.getHometown());
         // Return the completed view to render on screen
         return convertView;
     }
diff --git a/app/src/main/java/com/codepath/example/customadapterdemo/User.java b/app/src/main/java/com/codepath/example/customadapterdemo/User.java
index 8a6fbdd..175a8ef 100644
--- a/app/src/main/java/com/codepath/example/customadapterdemo/User.java
+++ b/app/src/main/java/com/codepath/example/customadapterdemo/User.java
@@ -3,14 +3,26 @@
 import java.util.ArrayList;
 
 public class User {
-	public String name;
-	public String hometown;
+
+	//declare private data instead of public to ensure the privacy of data field of each class
+	private String name;
+	private String hometown;
 
 	public User(String name, String hometown) {
 		this.name = name;
 		this.hometown = hometown;
 	}
 
+	//retrieve user's name
+	public String getName(){
+		return name;
+	}
+
+	//retrieve users' hometown
+	public String getHometown(){
+		return hometown;
+	}
+
 	public static ArrayList<User> getUsers() {
 		ArrayList<User> users = new ArrayList<User>();
 		users.add(new User("Harry", "San Diego"));