Prevent from null pointer exception

Which was caused by image loader.

circularimageview/src/main/java/com/pkmmte/view/CircularImageView.java

@@ -376,7 +376,14 @@ else if (drawable instanceof BitmapDrawable) // Use the getBitmap() method in
  return ((BitmapDrawable) drawable).getBitmap();
 
  // Create Bitmap object out of the drawable
- Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
+ Bitmap bitmap = null;
+
+ int intrinsicWidth = drawable.getIntrinsicWidth();
+ int intrinsicHeight = drawable.getIntrinsicHeight();
+
+ if (!(intrinsicWidth > 0 && intrinsicHeight > 0)) return bitmap;
+
+ bitmap = Bitmap.createBitmap(intrinsicWidth, intrinsicHeight, Bitmap.Config.ARGB_8888);
  Canvas canvas = new Canvas(bitmap);
  drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
  drawable.draw(canvas);
@@ -390,6 +397,7 @@ else if (drawable instanceof BitmapDrawable) // Use the getBitmap() method in
  * the Circle upon drawing.
  */
  public void refreshBitmapShader() {
+ if (image == null) return;
  shader = new BitmapShader(Bitmap.createScaledBitmap(image, canvasSize, canvasSize, false), Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
  }
 
@@ -400,4 +408,4 @@ public void refreshBitmapShader() {
  public boolean isSelected() {
  return this.isSelected;
  }
-}
+}