[build] - initial commit

MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/LibraryLoader.java

@@ -0,0 +1,55 @@
+package com.mapbox.mapboxsdk;
+
+import com.mapbox.mapboxsdk.log.Logger;
+
+/**
+ * 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 abstract class LibraryLoader {
+
+  private static final String TAG = "Mbgl-LibraryLoader";
+
+  private static final LibraryLoader DEFAULT = Mapbox.getModuleProvider()
+    .createLibraryLoaderProvider()
+    .getDefaultLibraryLoader();
+
+  private static volatile LibraryLoader loader = DEFAULT;
+
+  private static boolean loaded;
+
+  /**
+   * 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 {
+      if (!loaded) {
+        loaded = true;
+        loader.load("mapbox-gl");
+      }
+    } catch (UnsatisfiedLinkError error) {
+      loaded = false;
+      String message = "Failed to load native shared library.";
+      Logger.e(TAG, message, error);
+      MapStrictMode.strictModeViolation(message, error);
+    }
+  }
+
+  public abstract void load(String name);
+}
+