diff --git a/app/src/main/java/cy/agorise/bitsybitshareswallet/activities/MainActivity.kt b/app/src/main/java/cy/agorise/bitsybitshareswallet/activities/MainActivity.kt
index 593b3e4..be29647 100644
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/activities/MainActivity.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/activities/MainActivity.kt
@@ -3,10 +3,10 @@ package cy.agorise.bitsybitshareswallet.activities
 import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 
-import androidx.fragment.app.Fragment
-import androidx.fragment.app.FragmentManager
 import androidx.fragment.app.FragmentPagerAdapter
 import android.os.Bundle
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
 import cy.agorise.bitsybitshareswallet.BuildConfig
 import cy.agorise.bitsybitshareswallet.R
 import cy.agorise.bitsybitshareswallet.fragments.BalancesFragment
@@ -18,12 +18,12 @@ import kotlinx.android.synthetic.main.activity_main.*
 class MainActivity : AppCompatActivity() {
 
     /**
-     * The [android.support.v4.view.PagerAdapter] that will provide
+     * The [androidx.fragment.app.FragmentPagerAdapter] that will provide
      * fragments for each of the sections. We use a
      * {@link FragmentPagerAdapter} derivative, which will keep every
      * loaded fragment in memory. If this becomes too memory intensive, it
      * may be best to switch to a
-     * [android.support.v4.app.FragmentStatePagerAdapter].
+     * [androidx.fragment.app.FragmentStatePagerAdapter].
      */
     private var mSectionsPagerAdapter: SectionsPagerAdapter? = null
 
@@ -64,9 +64,9 @@ class MainActivity : AppCompatActivity() {
      * A [FragmentPagerAdapter] that returns a fragment corresponding to
      * one of the sections/tabs/pages.
      */
-    inner class SectionsPagerAdapter(fm: androidx.fragment.app.FragmentManager) : androidx.fragment.app.FragmentPagerAdapter(fm) {
+    inner class SectionsPagerAdapter(fm: FragmentManager) : FragmentPagerAdapter(fm) {
 
-        override fun getItem(position: Int): androidx.fragment.app.Fragment {
+        override fun getItem(position: Int): Fragment {
             return when (position) {
                 0       -> BalancesFragment()
                 1       -> TransactionsFragment()
diff --git a/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/BalancesFragment.kt b/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/BalancesFragment.kt
index 5e72956..7d6f00e 100644
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/BalancesFragment.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/BalancesFragment.kt
@@ -14,7 +14,7 @@ import cy.agorise.bitsybitshareswallet.activities.SendTransactionActivity
 import cy.agorise.bitsybitshareswallet.viewmodels.BalancesViewModel
 import kotlinx.android.synthetic.main.fragment_balances.*
 
-class BalancesFragment : androidx.fragment.app.Fragment() {
+class BalancesFragment : Fragment() {
 
     companion object {
         fun newInstance() = BalancesFragment()
diff --git a/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/MerchantsFragment.kt b/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/MerchantsFragment.kt
index ff37dc0..4714120 100644
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/MerchantsFragment.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/MerchantsFragment.kt
@@ -10,7 +10,7 @@ import android.view.ViewGroup
 import cy.agorise.bitsybitshareswallet.R
 import cy.agorise.bitsybitshareswallet.viewmodels.MerchantsViewModel
 
-class MerchantsFragment : androidx.fragment.app.Fragment() {
+class MerchantsFragment : Fragment() {
 
     companion object {
         fun newInstance() = MerchantsFragment()
diff --git a/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/TransactionsFragment.kt b/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/TransactionsFragment.kt
index be9d905..68f9083 100644
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/TransactionsFragment.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/TransactionsFragment.kt
@@ -10,7 +10,7 @@ import android.view.ViewGroup
 import cy.agorise.bitsybitshareswallet.R
 import cy.agorise.bitsybitshareswallet.viewmodels.TransactionsViewModel
 
-class TransactionsFragment : androidx.fragment.app.Fragment() {
+class TransactionsFragment : Fragment() {
 
     companion object {
         fun newInstance() = TransactionsFragment()
diff --git a/graphenejlib b/graphenejlib
index d66c8f0..0b1caeb 160000
--- a/graphenejlib
+++ b/graphenejlib
@@ -1 +1 @@
-Subproject commit d66c8f0ff840ac1bb445462885bb8af9c83b8bfa
+Subproject commit 0b1caeb37274e0dfdd6ca2f5439fb7ff8df609b3