Create a new BalancesFragment and NetWorthFragment which are used in the HomeFragment's second card. The Balances is already working but the NetWorth only shows a 'Coming soon' notice.

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

@@ -0,0 +1,46 @@
+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 androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProviders
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.LinearLayoutManager
+import cy.agorise.bitsybitshareswallet.R
+import cy.agorise.bitsybitshareswallet.adapters.BalancesAdapter
+import cy.agorise.bitsybitshareswallet.database.joins.BalanceDetail
+import cy.agorise.bitsybitshareswallet.viewmodels.BalanceDetailViewModel
+import kotlinx.android.synthetic.main.fragment_balances.*
+
+class BalancesFragment: Fragment() {
+
+    private lateinit var mBalanceDetailViewModel: BalanceDetailViewModel
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        setHasOptionsMenu(true)
+
+        return inflater.inflate(R.layout.fragment_balances, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        // Configure BalanceDetailViewModel to show the current balances
+        mBalanceDetailViewModel = ViewModelProviders.of(this).get(BalanceDetailViewModel::class.java)
+
+        val balancesAdapter = BalancesAdapter(context!!)
+        rvBalances.adapter = balancesAdapter
+        rvBalances.layoutManager = LinearLayoutManager(context!!)
+        rvBalances.addItemDecoration(DividerItemDecoration(context!!, DividerItemDecoration.VERTICAL))
+
+        mBalanceDetailViewModel.getAll().observe(this, Observer<List<BalanceDetail>> { balancesDetails ->
+            balancesAdapter.replaceAll(balancesDetails)
+        })
+    }
+}

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

@@ -21,7 +21,6 @@ import kotlinx.android.synthetic.main.item_balance.view.*
 class HomeFragment : Fragment() {
 
     private lateinit var mUserAccountViewModel: UserAccountViewModel
-//    private lateinit var mBalanceDetailViewModel: BalanceDetailViewModel
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
@@ -45,18 +44,6 @@ class HomeFragment : Fragment() {
             tvAccountName.text = user.name
         })
 
-//        // Configure BalanceDetailViewModel to show the current balances
-//        mBalanceDetailViewModel = ViewModelProviders.of(this).get(BalanceDetailViewModel::class.java)
-//
-//        val balancesAdapter = BalancesAdapter(context!!)
-//        rvBalances.adapter = balancesAdapter
-//        rvBalances.layoutManager = LinearLayoutManager(context!!)
-//        rvBalances.addItemDecoration(DividerItemDecoration(context!!, DividerItemDecoration.VERTICAL))
-//
-//        mBalanceDetailViewModel.getAll().observe(this, Observer<List<BalanceDetail>> { balancesDetails ->
-//            balancesAdapter.replaceAll(balancesDetails)
-//        })
-
         // Navigate to the Receive Transaction Fragment
         fabReceiveTransaction.setOnClickListener (
             Navigation.createNavigateOnClickListener(R.id.receive_action)
@@ -74,6 +61,7 @@ class HomeFragment : Fragment() {
             findNavController().navigate(action)
         }
 
+        // Configure ViewPager with PagerAdapter and TabLayout to display the Balances/NetWorth section
         val pagerAdapter = PagerAdapter(fragmentManager!!)
         viewPager.adapter = pagerAdapter
         tabLayout.setupWithViewPager(viewPager)
@@ -87,11 +75,14 @@ class HomeFragment : Fragment() {
         override fun getItem(position: Int): Fragment {
             // getItem is called to instantiate the fragment for the given page.
             // Return a PlaceholderFragment (defined as a static inner class below).
-            return PlaceholderFragment.newInstance(position + 1)
+            return if (position == 0)
+                BalancesFragment()
+            else
+                NetWorthFragment()
         }
 
         override fun getPageTitle(position: Int): CharSequence? {
-            return listOf(getString(R.string.title_balances), "Net Worth")[position]
+            return getString(listOf(R.string.title_balances, R.string.title_net_worth)[position])
         }
 
         override fun getCount(): Int {
@@ -99,40 +90,6 @@ class HomeFragment : Fragment() {
         }
     }
 
-    /**
-     * A placeholder fragment containing a simple view.
-     */
-    class PlaceholderFragment : Fragment() {
-
-        override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
-                                  savedInstanceState: Bundle?): View? {
-            val rootView = inflater.inflate(R.layout.item_balance, container, false)
-            val text = "Hello World from section ${arguments?.getInt(ARG_SECTION_NUMBER)}"
-            rootView.tvBalance.text = text
-            return rootView
-        }
-
-        companion object {
-            /**
-             * The fragment argument representing the section number for this
-             * fragment.
-             */
-            private const val ARG_SECTION_NUMBER = "section_number"
-
-            /**
-             * Returns a new instance of this fragment for the given section
-             * number.
-             */
-            fun newInstance(sectionNumber: Int): PlaceholderFragment {
-                val fragment = PlaceholderFragment()
-                val args = Bundle()
-                args.putInt(ARG_SECTION_NUMBER, sectionNumber)
-                fragment.arguments = args
-                return fragment
-            }
-        }
-    }
-
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
         inflater.inflate(R.menu.menu_balances, menu)
     }

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

@@ -0,0 +1,20 @@
+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 NetWorthFragment: Fragment() {
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        setHasOptionsMenu(true)
+
+        return inflater.inflate(R.layout.fragment_net_worth, container, false)
+    }
+}

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

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rvBalances"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginTop="@dimen/activity_vertical_margin"
+        android:layout_marginBottom="@dimen/activity_vertical_margin"
+        android:layout_marginStart="@dimen/activity_horizontal_margin"
+        android:layout_marginEnd="@dimen/activity_horizontal_margin"
+        tools:listitem="@layout/item_balance"
+        tools:itemCount="3"/>
+
+</LinearLayout>

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

@@ -144,10 +144,11 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="8dp"
-                android:background="?attr/themedColorBackgroundFloating"
+                android:background="?android:colorControlHighlight"
                 app:tabSelectedTextColor="?android:textColorPrimary"
-                app:tabIndicatorColor="?android:colorControlHighlight"
+                app:tabIndicatorColor="?attr/themedColorBackgroundFloating"
                 app:tabIndicatorHeight="50dp"
+                app:tabPaddingStart="@dimen/activity_horizontal_margin"
                 app:tabMode="scrollable" />
 
             <androidx.viewpager.widget.ViewPager
@@ -155,23 +156,6 @@
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"/>
 
-            <!--<TextView-->
-                <!--android:layout_width="wrap_content"-->
-                <!--android:layout_height="wrap_content"-->
-                <!--android:layout_marginTop="@dimen/spacing_same_topic"-->
-                <!--android:layout_marginStart="@dimen/spacing_same_topic"-->
-                <!--android:text="@string/title_balances"-->
-                <!--android:textAppearance="@style/TextAppearance.Bitsy.Subtitle1"/>-->
-
-            <!--<androidx.recyclerview.widget.RecyclerView-->
-                <!--android:id="@+id/rvBalances"-->
-                <!--android:layout_width="match_parent"-->
-                <!--android:layout_height="match_parent"-->
-                <!--android:paddingStart="@dimen/spacing_same_topic"-->
-                <!--android:paddingEnd="@dimen/spacing_same_topic"-->
-                <!--tools:listitem="@layout/item_balance"-->
-                <!--tools:itemCount="3"/>-->
-
         </LinearLayout>
 
     </com.google.android.material.card.MaterialCardView>

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

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/text__coming_soon"
+        android:textAppearance="@style/TextAppearance.Bitsy.Body1"
+        android:layout_centerInParent="true"/>
+
+</RelativeLayout>

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

@@ -5,5 +5,6 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:padding="4dp"
+    android:paddingTop="4dp"
+    android:paddingBottom="4dp"
     tools:text="123.45 BTS"/>

app/src/main/res/values/strings.xml

@@ -73,5 +73,7 @@
     <string name="msg__bugs_or_ideas">Telegram chat: http://t.me/Agorise\nEmail: Agorise@protonmail.ch\nOpen Source:
         https://github.com/Agorise
     </string>
+    <string name="text__coming_soon">Coming soon</string>
+    <string name="title_net_worth">Net Worth</string>
 
 </resources>