From a56b51c95c49593483e0f15a21aad0c911e7b46c Mon Sep 17 00:00:00 2001
From: Benjamin Jaeger <bjaeger@fb.com>
Date: Fri, 15 Dec 2017 17:36:42 -0500
Subject: Support custom LibraryLoader

---
 .../java/com/mapbox/mapboxsdk/LibraryLoader.java   | 34 ++++++++++++++++++++--
 1 file changed, 31 insertions(+), 3 deletions(-)

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/LibraryLoader.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/LibraryLoader.java
index a024f0ab70..6633d5d952 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/LibraryLoader.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/LibraryLoader.java
@@ -3,18 +3,46 @@ package com.mapbox.mapboxsdk;
 import timber.log.Timber;
 
 /**
- * Centralises the knowledge about "mapbox-gl" library loading.
+ * Loads the mapbox-gl shared library
+ * <p>
+ * By default uses the {@link System#loadLibrary(String)},
+ * use {@link #setLibraryLoader(LibraryLoader)} to provide an alternative library loading hook.
+ * </p>
  */
-public class LibraryLoader {
+public abstract class LibraryLoader {
+
+  private static final LibraryLoader DEFAULT = new LibraryLoader() {
+    @Override
+    public void load(String name) {
+      System.loadLibrary(name);
+    }
+  };
+
+  private static volatile LibraryLoader loader = DEFAULT;
+
+  /**
+   * Set the library loader that loads the shared library.
+   *
+   * @param libraryLoader the library loader
+   */
+  public static void setLibraryLoader(LibraryLoader libraryLoader) {
+    loader = libraryLoader;
+  }
 
   /**
    * Loads "libmapbox-gl.so" native shared library.
+   * <p>
+   * Catches UnsatisfiedLinkErrors and prints a warning to logcat.
+   * </p>
    */
   public static void load() {
     try {
-      System.loadLibrary("mapbox-gl");
+      loader.load("mapbox-gl");
     } catch (UnsatisfiedLinkError error) {
       Timber.e(error, "Failed to load native shared library.");
     }
   }
+
+  public abstract void load(String name);
 }
+
-- 
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