1. Entire ReferUs module completed.

2. SelectContacts Completed
3. Fetch Contacts via Custom Content Provider Completed.

app/src/main/AndroidManifest.xml

@@ -50,6 +50,10 @@
             android:enabled="true"
             android:exported="true"
             android:readPermission="@string/app_name" />
+        <provider
+            android:name=".provider.MyContactsProvider"
+            android:authorities="com.bugbazaar.mycontacts"
+            android:exported="true" />
 
         <activity
             android:name=".ui.DetailedProductActivity"

app/src/main/java/com/BugBazaar/provider/MyContactsProvider.java

@@ -0,0 +1,56 @@
+package com.BugBazaar.provider;
+import android.content.ContentProvider;
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.content.UriMatcher;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.ContactsContract;
+
+public class MyContactsProvider extends ContentProvider {
+    // Define your authority and content URI
+    public static final String AUTHORITY = "com.bugbazaar.mycontacts";
+    public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/contacts");
+
+    @Override
+    public boolean onCreate() {
+        // Initialize your database or data source here
+        // Return true if initialization is successful
+        return true;
+    }
+
+    @Override
+    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
+
+        // Query the ContactsContract to retrieve all contacts
+        return getContext().getContentResolver().query(
+                ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
+                projection,
+                selection,
+                selectionArgs,
+                sortOrder
+        );
+    }
+
+    @Override
+    public Uri insert(Uri uri, ContentValues values) {
+        return null;
+    }
+
+    @Override
+    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+        // Implement update operation if needed
+        return 0;
+    }
+
+    @Override
+    public int delete(Uri uri, String selection, String[] selectionArgs) {
+        // Implement delete operation if needed
+        return 0;
+    }
+
+    @Override
+    public String getType(Uri uri) {
+        return null;
+    }
+}

app/src/main/java/com/BugBazaar/ui/ContactsPack/SelectContacts.java

@@ -1,23 +1,23 @@
 package com.BugBazaar.ui.ContactsPack;
-
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.core.app.ActivityCompat;
-import androidx.core.content.ContextCompat;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-
 import android.Manifest;
 import android.content.ContentResolver;
 import android.content.pm.PackageManager;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
-import android.provider.ContactsContract;
 import android.util.Log;
 import android.view.View;
+import android.widget.ImageView;
 import android.widget.TextView;
-
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import com.BugBazaar.R;
+import com.BugBazaar.provider.MyContactsProvider;
+import android.provider.ContactsContract;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -27,13 +27,22 @@ public class SelectContacts extends AppCompatActivity {
     private ContactAdapter adapter;
     private List<Contacts> contactsList;
 
+    // Request code for the contact permission
+    private static final int CONTACTS_PERMISSION_REQUEST = 1;
+    private TextView noContactsMessage;
+    private TextView selectContactmsg;
+    private ImageView imgNoContact;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_select_contacts);
 
         // Initialize the contactsList here
-        contactsList = new ArrayList<>(); // Initialize a list to store contacts
+        contactsList = new ArrayList<>();
+
+        selectContactmsg = findViewById(R.id.selectContactmsg);
+        noContactsMessage=findViewById(R.id.noContactsMessage);
+        imgNoContact=findViewById(R.id.imgNoContact);
 
         recyclerView = findViewById(R.id.recyclerView);
         recyclerView.setLayoutManager(new LinearLayoutManager(this));
@@ -44,35 +53,70 @@ protected void onCreate(Bundle savedInstanceState) {
         TextView toolbarTitle = findViewById(R.id.toolbarTitle);
         toolbarTitle.setText("Select Contacts");
 
-        // Check if permission to access contacts is granted or not. If not, request permission.
+        // Check if permission to access contacts is granted or not.
         if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) !=
                 PackageManager.PERMISSION_GRANTED) {
-            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_CONTACTS}, 0);
+            // Permission not granted, request it.
+            ActivityCompat.requestPermissions(
+                    this,
+                    new String[]{Manifest.permission.READ_CONTACTS},
+                    CONTACTS_PERMISSION_REQUEST
+            );
+        } else {
+            // Permission granted, proceed to load data.
+            loadData();
         }
+    }
 
-        // Requesting contact data
+    // Code to handle back button
+    public void onBackButtonClick(View view) {
+        onBackPressed(); // Navigate back to the previous activity
+    }
+
+    // Handle the permission request result
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        if (requestCode == CONTACTS_PERMISSION_REQUEST) {
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                // Permission granted, proceed to load data.
+                loadData();
+            } else {
+                // Permission denied, show a message or take appropriate action.
+                Log.d("Contacts", "Permission denied");
+            }
+        }
+    }
+
+    // Load data when permission is granted
+    private void loadData() {
+        // Requesting contact data using your custom content provider
         ContentResolver contentResolver = getContentResolver();
-        Uri uri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
-        Cursor cursor = contentResolver.query(uri, null, null, null, null);
-        StringBuilder contactText = new StringBuilder();
+        Uri customUri = MyContactsProvider.CONTENT_URI; // Use your custom content provider's URI
+
+        Cursor cursor = contentResolver.query(customUri, null, null, null, null);
 
         if (cursor != null && cursor.moveToFirst()) {
+            // Data available, proceed to load it.
+            noContactsMessage.setVisibility(View.GONE);
+            imgNoContact.setVisibility(View.GONE);
             do {
                 String contactName = cursor.getString(cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
                 String contactNumber = cursor.getString(cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
 
                 // Create a Contact object and add it to the list
                 Contacts contact = new Contacts(contactName, contactNumber);
                 contactsList.add(contact);
-                contactText.append(contactName).append("=====").append(contactNumber).append("\n");
             } while (cursor.moveToNext());
 
             cursor.close();
-        }
-    }
 
-    // Code to handle back button
-    public void onBackButtonClick(View view) {
-        onBackPressed(); // Navigate back to the previous activity
+            // Notify the adapter that the dataset has changed
+            adapter.notifyDataSetChanged();
+        } else {
+            // No contacts found.
+            selectContactmsg.setVisibility(View.GONE);
+            noContactsMessage.setVisibility(View.VISIBLE);
+            imgNoContact.setVisibility(View.VISIBLE);
+        }
     }
 }

app/src/main/res/drawable/baseline_error_24.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#667D97"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM13,17h-2v-2h2v2zM13,13h-2L11,7h2v6z"/>
+</vector>

app/src/main/res/layout/activity_select_contacts.xml

@@ -10,15 +10,25 @@
         layout="@layout/nav_toolbar_sub"
         android:layout_height="wrap_content"
         android:layout_width="match_parent"></include>
+<LinearLayout
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:layout_gravity="center">
     <TextView
+        android:id="@+id/selectContactmsg"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="Select any contact"
         android:layout_gravity="center"
         android:textStyle="bold"
         android:paddingTop="10dp"
+        android:paddingStart="10dp"
+        android:paddingEnd="10dp"
         android:textColor="@color/main_theme"
         android:textSize="35dp"></TextView>
+
+
     <ScrollView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
@@ -32,5 +42,30 @@
             android:layout_gravity="center"
             android:layout_margin="16dp" />
     </ScrollView>
+</LinearLayout>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:gravity="center">
+        <ImageView
+            android:id="@+id/imgNoContact"
+            android:layout_width="150dp"
+            android:layout_height="150dp"
+            android:src="@drawable/baseline_error_24"></ImageView>
+    <TextView
+        android:id="@+id/noContactsMessage"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="No contacts found in the device."
+        android:gravity="center"
+        android:layout_gravity="center"
+        android:paddingStart="20dp"
+        android:paddingEnd="20dp"
+        android:textSize="25dp"
+        android:textStyle="bold"
+        android:visibility="visible"
+        android:textColor="#667D97"></TextView>
+    </LinearLayout>
 
 </LinearLayout>