From 94451b41ef5ede1f3f1534f0f6c94356663ae23b Mon Sep 17 00:00:00 2001
From: Tobrun <tobrun.van.nuland@gmail.com>
Date: Thu, 8 Nov 2018 14:20:14 +0100
Subject: [android] - expose style builder

---
 .../java/com/mapbox/mapboxsdk/maps/MapboxMap.java  |  7 ++-
 .../main/java/com/mapbox/mapboxsdk/maps/Style.java | 57 ++++++++++++++++++++++
 2 files changed, 63 insertions(+), 1 deletion(-)

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java
index 6d68302c61..2211d4bd1d 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java
@@ -95,7 +95,7 @@ public final class MapboxMap {
     setPrefetchesTiles(options);
   }
 
-  public Style getStyle(){
+  public Style getStyle() {
     return style;
   }
 
@@ -679,6 +679,11 @@ public final class MapboxMap {
   // Styling
   //
 
+  public void setStyle(Style.Builder builder) {
+
+  }
+
+
   /**
    * <p>
    * Loads a new map style asynchronous from the specified URL.
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Style.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Style.java
index 9e8748ce4b..9cc14d67db 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Style.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Style.java
@@ -12,6 +12,7 @@ import com.mapbox.mapboxsdk.style.sources.Source;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 
@@ -325,6 +326,62 @@ public class Style {
     return nativeMapView.getLight();
   }
 
+  //
+  // Builder
+  //
+
+  public static class Builder {
+
+    private String styleUrl;
+    private String styleJson;
+    private List<Source> sources = new ArrayList<>();
+    // TODO allow adding below and at index
+    private List<Layer> layers = new ArrayList<>();
+    private TransitionOptions transitionOptions;
+
+    public Builder withStyleUrl(@StyleUrl String styleUrl) {
+      this.styleUrl = styleUrl;
+      return this;
+    }
+
+    public Builder withStyleJson(String styleJson) {
+      this.styleJson = styleJson;
+      return this;
+    }
+
+    public Builder withSource(Source source) {
+      sources.add(source);
+      return this;
+    }
+
+    public Builder withLayer(Layer layer) {
+      layers.add(layer);
+      return this;
+    }
+
+    public Builder withTransition(TransitionOptions transition) {
+      this.transitionOptions = transition;
+      return this;
+    }
+    
+    Style build(NativeMapView nativeMapView) {
+      Style style = new Style(nativeMapView);
+      for (Source source : sources) {
+        style.addSource(source);
+      }
+
+      for (Layer layer : layers) {
+        style.addLayer(layer);
+      }
+
+      if (transitionOptions != null) {
+        style.setTransition(transitionOptions);
+      }
+      return style;
+    }
+
+  }
+
   //
   // Style URL constants
   //
-- 
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