Created basic SendTransactionFragment and SendTransactionFragment with their respective layout files.

app/src/main/AndroidManifest.xml

@@ -28,8 +28,6 @@
         <activity
             android:name=".activities.SettingsActivity"
             android:label="@string/title_settings"/>
-        <activity android:name=".activities.SendTransactionActivity"/>
-        <activity android:name=".activities.ReceiveTransactionActivity"/>
     </application>
 
 </manifest>

app/src/main/java/cy/agorise/bitsybitshareswallet/activities/MainActivity.kt

@@ -8,11 +8,14 @@ import android.view.Menu
 import android.view.MenuItem
 import android.widget.Toast
 import androidx.collection.LongSparseArray
+import androidx.fragment.app.Fragment
 import com.google.android.material.bottomnavigation.BottomNavigationView
 import cy.agorise.bitsybitshareswallet.R
 import cy.agorise.bitsybitshareswallet.database.entities.Balance
 import cy.agorise.bitsybitshareswallet.fragments.BalancesFragment
 import cy.agorise.bitsybitshareswallet.fragments.MerchantsFragment
+import cy.agorise.bitsybitshareswallet.fragments.ReceiveTransactionFragment
+import cy.agorise.bitsybitshareswallet.fragments.SendTransactionFragment
 import cy.agorise.bitsybitshareswallet.processors.TransfersLoader
 import cy.agorise.bitsybitshareswallet.repositories.BalanceRepository
 import cy.agorise.bitsybitshareswallet.utils.Constants
@@ -39,19 +42,19 @@ class MainActivity : ConnectedActivity() {
     private val mOnNavigationItemSelectedListener = BottomNavigationView.OnNavigationItemSelectedListener { item ->
         when (item.itemId) {
             R.id.navigation_receive -> {
-                Toast.makeText(this, "Receive Fragment", Toast.LENGTH_SHORT).show()
+                loadFragment(ReceiveTransactionFragment())
                 return@OnNavigationItemSelectedListener true
             }
             R.id.navigation_balances -> {
-                loadBalancesFragment()
+                loadFragment(BalancesFragment())
                 return@OnNavigationItemSelectedListener true
             }
             R.id.navigation_merchants -> {
-                loadMerchantsFragment()
+                loadFragment(MerchantsFragment())
                 return@OnNavigationItemSelectedListener true
             }
             R.id.navigation_send -> {
-                Toast.makeText(this, "Send Fragment", Toast.LENGTH_SHORT).show()
+                loadFragment(SendTransactionFragment())
                 return@OnNavigationItemSelectedListener true
             }
         }
@@ -73,15 +76,9 @@ class MainActivity : ConnectedActivity() {
         mBalanceRepository = BalanceRepository(this)
     }
 
-    private fun loadBalancesFragment() {
+    private fun loadFragment(fragment: Fragment) {
         val ft = supportFragmentManager.beginTransaction()
-        ft.replace(R.id.fragment_frame, BalancesFragment())
+        ft.replace(R.id.fragment_frame, fragment)
-        ft.commit()
-    }
-
-    private fun loadMerchantsFragment() {
-        val ft = supportFragmentManager.beginTransaction()
-        ft.replace(R.id.fragment_frame, MerchantsFragment())
         ft.commit()
     }
 

app/src/main/java/cy/agorise/bitsybitshareswallet/activities/ReceiveTransactionActivity.kt

@@ -1,13 +0,0 @@
-package cy.agorise.bitsybitshareswallet.activities
-
-import androidx.appcompat.app.AppCompatActivity
-import android.os.Bundle
-import cy.agorise.bitsybitshareswallet.R
-
-class ReceiveTransactionActivity : AppCompatActivity() {
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_receive_transaction)
-    }
-}

app/src/main/java/cy/agorise/bitsybitshareswallet/activities/SendTransactionActivity.kt

@@ -1,13 +0,0 @@
-package cy.agorise.bitsybitshareswallet.activities
-
-import androidx.appcompat.app.AppCompatActivity
-import android.os.Bundle
-import cy.agorise.bitsybitshareswallet.R
-
-class SendTransactionActivity : AppCompatActivity() {
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_send_transaction)
-    }
-}

app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/ReceiveTransactionFragment.kt

@@ -0,0 +1,19 @@
+package cy.agorise.bitsybitshareswallet.fragments
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import cy.agorise.bitsybitshareswallet.R
+
+class ReceiveTransactionFragment : Fragment() {
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_receive_transaction, container, false)
+    }
+
+}

app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/SendTransactionFragment.kt

@@ -0,0 +1,19 @@
+package cy.agorise.bitsybitshareswallet.fragments
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import cy.agorise.bitsybitshareswallet.R
+
+class SendTransactionFragment : Fragment() {
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_send_transaction, container, false)
+    }
+
+}

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

@@ -5,6 +5,11 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".activities.SendTransactionActivity">
+    tools:context=".fragments.ReceiveTransactionFragment">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="@string/title_receive"/>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -5,6 +5,11 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".activities.ReceiveTransactionActivity">
+    tools:context=".fragments.SendTransactionFragment">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="@string/title_send"/>
 
 </androidx.constraintlayout.widget.ConstraintLayout>