Added a dialog to explain what merchants and tellers are, which is opened in from the About option in the Merchants & Tellers's popup menu.

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

@@ -21,6 +21,7 @@ import androidx.core.content.ContextCompat
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProviders
 import com.afollestad.materialdialogs.MaterialDialog
+import com.afollestad.materialdialogs.customview.customView
 import com.google.android.gms.maps.CameraUpdateFactory
 import com.google.android.gms.maps.model.*
 import com.google.maps.android.MarkerManager
@@ -69,7 +70,7 @@ class MerchantsFragment : Fragment(), OnMapReadyCallback {
     private var merchants = ArrayList<Merchant>()
     private var tellers = ArrayList<Teller>()
     private var showMerchantsMarkers = true
-    private var showTellerMarkers = false
+    private var showTellerMarkers = true
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         setHasOptionsMenu(true)
@@ -116,9 +117,10 @@ class MerchantsFragment : Fragment(), OnMapReadyCallback {
         val tvAbout = popupView?.findViewById<TextView>(R.id.tvAbout)
         tvAbout?.setOnClickListener {
             val context = context ?: return@setOnClickListener
-            MaterialDialog(context)
-                .message(text = "Anything")
-                .show()
+            MaterialDialog(context).show {
+                customView(R.layout.dialog_merchants_tellers_info, scrollable = true)
+                positiveButton(android.R.string.ok) { dismiss() }
+            }
         }
 
         mPopupWindow = PopupWindow(popupView, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT)

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

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_marginStart="@dimen/activity_horizontal_margin"
+    android:layout_marginEnd="@dimen/activity_horizontal_margin">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/title_merchants"
+        android:textAppearance="@style/TextAppearance.Bitsy.Body1"/>
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:text="@string/msg__merchants_description"
+        android:textAppearance="@style/TextAppearance.Bitsy.Body2"/>
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="@dimen/spacing_same_topic"
+        android:text="@string/title_tellers"
+        android:textAppearance="@style/TextAppearance.Bitsy.Body1"/>
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:text="@string/msg__tellers_description"
+        android:textAppearance="@style/TextAppearance.Bitsy.Body2"/>
+
+</LinearLayout>

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

@@ -62,6 +62,8 @@
     <string name="title_merchants">Comerciantes</string>
     <string name="title_tellers">Tellers</string>
     <string name="title_about">Acerca de</string>
+    <string name="msg__merchants_description">Los comerciantes PalmPay son la columna vertebral de la nueva economía Cripto. Si estás buscando por negocios que acepten Criptomonedas, entonces sólo usa la función de búsqueda o el mapa de abajo. Más comerciantes serán agregados aquí conforme los Embajadores PalmPay nos informen.</string>
+    <string name="msg__tellers_description">Los Tellers son personas que intercambian tu dinero en moneda fiduciaria a criptomonedas, y viceversa. Ellos también apoyan a los Comerciantes a cambiar sus Criptomonedas a moneda fiduciaria.</string>
     <string name="msg__location_permission_necessary">El permiso de localización es necesario para mostrar tu ubicación actual en el mapa.</string>
 
     <!-- Send Transaction -->

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

@@ -62,6 +62,8 @@
     <string name="title_merchants">Merchants</string>
     <string name="title_tellers">Tellers</string>
     <string name="title_about">About</string>
+    <string name="msg__merchants_description">PalmPay merchants are the backbone of the new Crypto Economy. If you are looking for businesses that will accept your Cryptocurrency, then just use the Search and Map data below. More merchants will be added here as the PalmPay Ambassadors inform us.</string>
+    <string name="msg__tellers_description">Tellers are people who will exchange your fiat currencies with cryptocurrencies, and vice versa. They also assist Merchants with fiat settlement.</string>
     <string name="msg__location_permission_necessary">Location permission is necessary to show your current location on the map.</string>
 
     <!-- Send Transaction -->