From 5fe98da757b62f3c0034430a6632926b1262adb7 Mon Sep 17 00:00:00 2001
From: Antonio Zugaldia <antonio@mapbox.com>
Date: Fri, 6 Oct 2017 16:30:15 -0400
Subject: provide a fallback method to load the native library

---
 .../java/com/mapbox/mapboxsdk/LibraryLoader.java   | 27 ++++++++++++++++++++--
 .../com/mapbox/mapboxsdk/maps/NativeMapView.java   |  3 ++-
 .../mapboxsdk/net/NativeConnectivityListener.java  |  3 ++-
 .../mapbox/mapboxsdk/offline/OfflineManager.java   |  3 ++-
 .../mapbox/mapboxsdk/offline/OfflineRegion.java    |  3 ++-
 5 files changed, 33 insertions(+), 6 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 8a75176ccd..65f8eec03b 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
@@ -1,15 +1,38 @@
 package com.mapbox.mapboxsdk;
 
+import android.content.Context;
+
+import java.io.File;
+
 /**
  * Centralises the knowledge about "mapbox-gl" library loading.
  */
 public class LibraryLoader {
 
+  private static final String LIBRARY_NAME = "libmapbox-gl.so";
+
   /**
    * Loads "libmapbox-gl.so" native shared library.
+   * @param context The application context
    */
-  public static void load() {
-    System.loadLibrary("mapbox-gl");
+  public static void load(Context context) {
+    try {
+      System.loadLibrary("mapbox-gl");
+    } catch (UnsatisfiedLinkError error) {
+      if (context != null) {
+        System.load(getLibraryLocation(context).getAbsolutePath());
+      }
+    }
   }
 
+  /**
+   * Returns a file in the app internal storage that may contain a locally cached copy
+   * of the Mapbox native library.
+   *
+   * @param context The application context
+   * @return a file object
+   */
+  public static File getLibraryLocation(Context context) {
+    return new File(context.getFilesDir(), LIBRARY_NAME);
+  }
 }
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/NativeMapView.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/NativeMapView.java
index 3ce6aab581..176e8cb2b4 100755
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/NativeMapView.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/NativeMapView.java
@@ -11,6 +11,7 @@ import android.text.TextUtils;
 import android.util.DisplayMetrics;
 
 import com.mapbox.mapboxsdk.LibraryLoader;
+import com.mapbox.mapboxsdk.Mapbox;
 import com.mapbox.mapboxsdk.annotations.Icon;
 import com.mapbox.mapboxsdk.annotations.Marker;
 import com.mapbox.mapboxsdk.annotations.Polygon;
@@ -62,7 +63,7 @@ final class NativeMapView {
   private MapboxMap.SnapshotReadyCallback snapshotReadyCallback;
 
   static {
-    LibraryLoader.load();
+    LibraryLoader.load(Mapbox.getApplicationContext());
   }
 
   //
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/net/NativeConnectivityListener.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/net/NativeConnectivityListener.java
index ae74859228..79816fe27b 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/net/NativeConnectivityListener.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/net/NativeConnectivityListener.java
@@ -1,6 +1,7 @@
 package com.mapbox.mapboxsdk.net;
 
 import com.mapbox.mapboxsdk.LibraryLoader;
+import com.mapbox.mapboxsdk.Mapbox;
 
 /**
  * Updates the native library's connectivity state
@@ -8,7 +9,7 @@ import com.mapbox.mapboxsdk.LibraryLoader;
 class NativeConnectivityListener implements ConnectivityListener {
 
   static {
-    LibraryLoader.load();
+    LibraryLoader.load(Mapbox.getApplicationContext());
   }
 
   private long nativePtr;
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/offline/OfflineManager.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/offline/OfflineManager.java
index 130284e88d..1c18adfe45 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/offline/OfflineManager.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/offline/OfflineManager.java
@@ -7,6 +7,7 @@ import android.os.Looper;
 import android.support.annotation.NonNull;
 
 import com.mapbox.mapboxsdk.LibraryLoader;
+import com.mapbox.mapboxsdk.Mapbox;
 import com.mapbox.mapboxsdk.R;
 import com.mapbox.mapboxsdk.geometry.LatLngBounds;
 import com.mapbox.mapboxsdk.net.ConnectivityReceiver;
@@ -27,7 +28,7 @@ public class OfflineManager {
   //
 
   static {
-    LibraryLoader.load();
+    LibraryLoader.load(Mapbox.getApplicationContext());
   }
 
   // Native peer pointer
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/offline/OfflineRegion.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/offline/OfflineRegion.java
index f210729037..6a7857469e 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/offline/OfflineRegion.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/offline/OfflineRegion.java
@@ -7,6 +7,7 @@ import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 
 import com.mapbox.mapboxsdk.LibraryLoader;
+import com.mapbox.mapboxsdk.Mapbox;
 import com.mapbox.mapboxsdk.storage.FileSource;
 
 import java.lang.annotation.Retention;
@@ -24,7 +25,7 @@ public class OfflineRegion {
   //
 
   static {
-    LibraryLoader.load();
+    LibraryLoader.load(Mapbox.getApplicationContext());
   }
 
   // Members
-- 
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