Added bitmaploader interface

Author: tsuijten

library/src/main/java/com/q42/android/scrollingimageview/ScrollingImageView.java

@@ -22,6 +22,13 @@
  * Created by thijs on 08-06-15.
  */
 public class ScrollingImageView extends View {
+    public static ScrollingImageViewBitmapLoader BITMAP_LOADER = new ScrollingImageViewBitmapLoader() {
+        @Override
+        public Bitmap loadBitmap(Context context, int resourceId) {
+            return BitmapFactory.decodeResource(context.getResources(), resourceId);
+        }
+    };
+
     private List<Bitmap> bitmaps;
     private float speed;
     private int[] scene;
@@ -65,7 +72,7 @@ public ScrollingImageView(Context context, AttributeSet attrs) {
                             multiplier = Math.max(1, randomness[i]);
                         }
 
-                        Bitmap bitmap = BitmapFactory.decodeResource(getResources(), typedArray.getResourceId(i, 0));
+                        Bitmap bitmap = BITMAP_LOADER.loadBitmap(getContext(), typedArray.getResourceId(i, 0));
                         for (int m = 0; m < multiplier; m++) {
                             bitmaps.add(bitmap);
                         }
@@ -82,7 +89,7 @@ public ScrollingImageView(Context context, AttributeSet attrs) {
                     typedArray.recycle();
                 }
             } else if (type == TypedValue.TYPE_STRING) {
-                final Bitmap bitmap = BitmapFactory.decodeResource(getResources(), ta.getResourceId(R.styleable.ParallaxView_src, 0));
+                final Bitmap bitmap = BITMAP_LOADER.loadBitmap(getContext(), ta.getResourceId(R.styleable.ParallaxView_src, 0));
                 if (bitmap != null) {
                     bitmaps = singletonList(bitmap);
                     scene = new int[]{0};

library/src/main/java/com/q42/android/scrollingimageview/ScrollingImageViewBitmapLoader.java

@@ -0,0 +1,11 @@
+package com.q42.android.scrollingimageview;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+
+/**
+ * Created by thijs on 22-03-16.
+ */
+public interface ScrollingImageViewBitmapLoader {
+    Bitmap loadBitmap(Context context, int resourceId);
+}