1 files changed, 16 insertions, 0 deletions
diff --git a/ios/app/MBXAppDelegate.m b/ios/app/MBXAppDelegate.m
index f2ef69ec63..4d314483ae 100644
--- a/ios/app/MBXAppDelegate.m
+++ b/ios/app/MBXAppDelegate.m
@@ -1,11 +1,27 @@
 #import "MBXAppDelegate.h"
 #import "MBXViewController.h"
+#import <mbgl/ios/MapboxGL.h>
 #import <mbgl/ios/MGLMapboxEvents.h>
 
 @implementation MBXAppDelegate
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
 {
+    // Set Access Token
+    NSString *accessToken = [[NSProcessInfo processInfo] environment][@"MAPBOX_ACCESS_TOKEN"];
+    if (accessToken) {
+        // Store to preferences so that we can launch the app later on without having to specify
+        // token.
+        [[NSUserDefaults standardUserDefaults] setObject:accessToken forKey:@"access_token"];
+    } else {
+        // Try to retrieve from preferences, maybe we've stored them there previously and can reuse
+        // the token.
+        accessToken = [[NSUserDefaults standardUserDefaults] objectForKey:@"access_token"];
+    }
+    if ( ! accessToken) NSLog(@"No access token set. Mapbox vector tiles won't work.");
+
+    [MapboxGL sharedInstanceWithAccessToken:accessToken];
+
     self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
     self.window.rootViewController = [[UINavigationController alloc] initWithRootViewController:[MBXViewController new]];
     [self.window makeKeyAndVisible];