From 4244f963c2b2412f69b7a5a8adab653ea76c1dc7 Mon Sep 17 00:00:00 2001
From: Leith Bade <leith@mapbox.com>
Date: Sat, 22 Nov 2014 15:19:31 +1100
Subject: [PATCH] Throw exception if no access key.

---
 .../lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java b/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java
index 36ad27b30..2dacf4e03 100644
--- a/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java
+++ b/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java
@@ -409,6 +409,10 @@ public class MapView extends SurfaceView {
             mNativeMapView.setDefaultTransitionDuration(savedInstanceState.getLong(STATE_DEFAULT_TRANSITION_DURATION));
         }
 
+        if (mNativeMapView.getAccessToken().isEmpty()) {
+            throw new RuntimeException("Using MapView requires setting an access key.");
+        }
+
         mNativeMapView.initializeDisplay();
         mNativeMapView.initializeContext();
         mNativeMapView.start();