From 2ed39fabdd9c11ce289114a3b7605c187c58e9f6 Mon Sep 17 00:00:00 2001
From: Severiano Jaramillo <severiano.jaramillo@gmail.com>
Date: Tue, 22 Jan 2019 15:53:14 -0600
Subject: [PATCH] Create a night mode style for the Merchants & Tellers map and
 apply it only when the app is in night mode, use the default map theme
 otherwise.

---
 .../fragments/MerchantsFragment.kt            |  27 ++-
 app/src/main/res/raw/map_style_night.json     | 161 ++++++++++++++++++
 2 files changed, 184 insertions(+), 4 deletions(-)
 create mode 100644 app/src/main/res/raw/map_style_night.json

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 89e8005..5413b95 100644
--- a/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/MerchantsFragment.kt
+++ b/app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/MerchantsFragment.kt
@@ -12,9 +12,6 @@ import android.view.ViewGroup
 import com.google.android.gms.maps.GoogleMap
 import com.google.android.gms.maps.OnMapReadyCallback
 import com.google.android.gms.maps.SupportMapFragment
-import com.google.android.gms.maps.model.BitmapDescriptorFactory
-import com.google.android.gms.maps.model.LatLng
-import com.google.android.gms.maps.model.MarkerOptions
 import com.google.gson.GsonBuilder
 
 import cy.agorise.bitsybitshareswallet.R
@@ -28,8 +25,9 @@ import java.io.IOException
 import android.graphics.Bitmap
 import android.graphics.Canvas
 import android.graphics.drawable.Drawable
+import android.preference.PreferenceManager
 import androidx.core.content.ContextCompat
-import com.google.android.gms.maps.model.BitmapDescriptor
+import com.google.android.gms.maps.model.*
 import cy.agorise.bitsybitshareswallet.database.entities.Merchant
 import cy.agorise.bitsybitshareswallet.utils.Constants
 import cy.agorise.bitsybitshareswallet.utils.toast
@@ -105,6 +103,8 @@ class MerchantsFragment : Fragment(), OnMapReadyCallback, retrofit2.Callback<Fea
     override fun onMapReady(googleMap: GoogleMap) {
         mMap = googleMap
 
+        applyMapTheme()
+
         verifyLocationPermission()
 
         val gson = GsonBuilder()
@@ -120,6 +120,25 @@ class MerchantsFragment : Fragment(), OnMapReadyCallback, retrofit2.Callback<Fea
         call.enqueue(this)
     }
 
+    private fun applyMapTheme() {
+        val nightMode = PreferenceManager.getDefaultSharedPreferences(context)
+            .getBoolean(Constants.KEY_NIGHT_MODE_ACTIVATED, false)
+
+        if (nightMode) {
+            // Customise the styling of the base map using a JSON object defined
+            // in a raw resource file.
+            val success = mMap.setMapStyle(
+                MapStyleOptions.loadRawResourceStyle(
+                    context, R.raw.map_style_night
+                )
+            )
+
+            if (!success) {
+                Log.e(TAG, "Style parsing failed.")
+            }
+        }
+    }
+
     override fun onResponse(call: Call<FeathersResponse<Merchant>>, response: Response<FeathersResponse<Merchant>>) {
         if (response.isSuccessful) {
             val res: FeathersResponse<Merchant>? = response.body()
diff --git a/app/src/main/res/raw/map_style_night.json b/app/src/main/res/raw/map_style_night.json
new file mode 100644
index 0000000..049e213
--- /dev/null
+++ b/app/src/main/res/raw/map_style_night.json
@@ -0,0 +1,161 @@
+[
+  {
+    "elementType": "geometry",
+    "stylers": [
+      {
+        "color": "#242f3e"
+      }
+    ]
+  },
+  {
+    "elementType": "labels.text.fill",
+    "stylers": [
+      {
+        "color": "#746855"
+      }
+    ]
+  },
+  {
+    "elementType": "labels.text.stroke",
+    "stylers": [
+      {
+        "color": "#242f3e"
+      }
+    ]
+  },
+  {
+    "featureType": "administrative.locality",
+    "elementType": "labels.text.fill",
+    "stylers": [
+      {
+        "color": "#d59563"
+      }
+    ]
+  },
+  {
+    "featureType": "poi",
+    "elementType": "labels.text.fill",
+    "stylers": [
+      {
+        "color": "#d59563"
+      }
+    ]
+  },
+  {
+    "featureType": "poi.park",
+    "elementType": "geometry",
+    "stylers": [
+      {
+        "color": "#263c3f"
+      }
+    ]
+  },
+  {
+    "featureType": "poi.park",
+    "elementType": "labels.text.fill",
+    "stylers": [
+      {
+        "color": "#6b9a76"
+      }
+    ]
+  },
+  {
+    "featureType": "road",
+    "elementType": "geometry",
+    "stylers": [
+      {
+        "color": "#38414e"
+      }
+    ]
+  },
+  {
+    "featureType": "road",
+    "elementType": "geometry.stroke",
+    "stylers": [
+      {
+        "color": "#212a37"
+      }
+    ]
+  },
+  {
+    "featureType": "road",
+    "elementType": "labels.text.fill",
+    "stylers": [
+      {
+        "color": "#9ca5b3"
+      }
+    ]
+  },
+  {
+    "featureType": "road.highway",
+    "elementType": "geometry",
+    "stylers": [
+      {
+        "color": "#746855"
+      }
+    ]
+  },
+  {
+    "featureType": "road.highway",
+    "elementType": "geometry.stroke",
+    "stylers": [
+      {
+        "color": "#1f2835"
+      }
+    ]
+  },
+  {
+    "featureType": "road.highway",
+    "elementType": "labels.text.fill",
+    "stylers": [
+      {
+        "color": "#f3d19c"
+      }
+    ]
+  },
+  {
+    "featureType": "transit",
+    "elementType": "geometry",
+    "stylers": [
+      {
+        "color": "#2f3948"
+      }
+    ]
+  },
+  {
+    "featureType": "transit.station",
+    "elementType": "labels.text.fill",
+    "stylers": [
+      {
+        "color": "#d59563"
+      }
+    ]
+  },
+  {
+    "featureType": "water",
+    "elementType": "geometry",
+    "stylers": [
+      {
+        "color": "#17263c"
+      }
+    ]
+  },
+  {
+    "featureType": "water",
+    "elementType": "labels.text.fill",
+    "stylers": [
+      {
+        "color": "#515c6d"
+      }
+    ]
+  },
+  {
+    "featureType": "water",
+    "elementType": "labels.text.stroke",
+    "stylers": [
+      {
+        "color": "#17263c"
+      }
+    ]
+  }
+]
\ No newline at end of file