diff --git a/circleimageview/src/main/java/de/hdodenhof/circleimageview/CircleImageView.java b/circleimageview/src/main/java/de/hdodenhof/circleimageview/CircleImageView.java
index 2f27195..ef3a31c 100644
--- a/circleimageview/src/main/java/de/hdodenhof/circleimageview/CircleImageView.java
+++ b/circleimageview/src/main/java/de/hdodenhof/circleimageview/CircleImageView.java
@@ -39,6 +39,7 @@
 import android.view.View;
 import android.view.ViewOutlineProvider;
 import android.widget.ImageView;
+
 import androidx.annotation.ColorInt;
 import androidx.annotation.ColorRes;
 import androidx.annotation.DrawableRes;
@@ -51,7 +52,7 @@ public class CircleImageView extends ImageView {
     private static final ScaleType SCALE_TYPE = ScaleType.CENTER_CROP;
 
     private static final Bitmap.Config BITMAP_CONFIG = Bitmap.Config.ARGB_8888;
-    private static final int COLORDRAWABLE_DIMENSION = 2;
+    private static final int COLOR_DRAWABLE_DIMENSION = 2;
 
     private static final int DEFAULT_BORDER_WIDTH = 0;
     private static final int DEFAULT_BORDER_COLOR = Color.BLACK;
@@ -100,14 +101,15 @@ public CircleImageView(Context context, AttributeSet attrs) {
     public CircleImageView(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
 
-        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CircleImageView, defStyle, 0);
-
-        mBorderWidth = a.getDimensionPixelSize(R.styleable.CircleImageView_civ_border_width, DEFAULT_BORDER_WIDTH);
-        mBorderColor = a.getColor(R.styleable.CircleImageView_civ_border_color, DEFAULT_BORDER_COLOR);
-        mBorderOverlay = a.getBoolean(R.styleable.CircleImageView_civ_border_overlay, DEFAULT_BORDER_OVERLAY);
-        mCircleBackgroundColor = a.getColor(R.styleable.CircleImageView_civ_circle_background_color, DEFAULT_CIRCLE_BACKGROUND_COLOR);
+        TypedArray styledAttributes = context.obtainStyledAttributes(attrs, R.styleable.CircleImageView, defStyle, 0);
 
-        a.recycle();
+        if(styledAttributes!=null) {
+            mBorderWidth = styledAttributes.getDimensionPixelSize(R.styleable.CircleImageView_civ_border_width, DEFAULT_BORDER_WIDTH);
+            mBorderColor = styledAttributes.getColor(R.styleable.CircleImageView_civ_border_color, DEFAULT_BORDER_COLOR);
+            mBorderOverlay = styledAttributes.getBoolean(R.styleable.CircleImageView_civ_border_overlay, DEFAULT_BORDER_OVERLAY);
+            mCircleBackgroundColor = styledAttributes.getColor(R.styleable.CircleImageView_civ_circle_background_color, DEFAULT_CIRCLE_BACKGROUND_COLOR);
+            styledAttributes.recycle();
+        }
 
         init();
     }
@@ -195,8 +197,8 @@ public void invalidateDrawable(@NonNull Drawable dr) {
     }
 
     @Override
-    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
-        super.onSizeChanged(w, h, oldw, oldh);
+    protected void onSizeChanged(int w, int h, int oldWidth, int oldHeight) {
+        super.onSizeChanged(w, h, oldWidth, oldHeight);
         updateDimensions();
         invalidate();
     }
@@ -383,23 +385,25 @@ private Bitmap getBitmapFromDrawable(Drawable drawable) {
             return ((BitmapDrawable) drawable).getBitmap();
         }
 
-        try {
-            Bitmap bitmap;
+        Bitmap bitmap;
 
-            if (drawable instanceof ColorDrawable) {
-                bitmap = Bitmap.createBitmap(COLORDRAWABLE_DIMENSION, COLORDRAWABLE_DIMENSION, BITMAP_CONFIG);
-            } else {
-                bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), BITMAP_CONFIG);
-            }
+        if (drawable instanceof ColorDrawable) {
+            bitmap = Bitmap.createBitmap(COLOR_DRAWABLE_DIMENSION, COLOR_DRAWABLE_DIMENSION, BITMAP_CONFIG);
+        } else {
+            final int intrinsicWidth = drawable.getIntrinsicWidth();
+            final int intrinsicHeight = drawable.getIntrinsicHeight();
 
-            Canvas canvas = new Canvas(bitmap);
-            drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
-            drawable.draw(canvas);
-            return bitmap;
-        } catch (Exception e) {
-            e.printStackTrace();
-            return null;
+            if (intrinsicWidth <= 0 || intrinsicHeight <= 0) {
+                return null;
+            }
+            bitmap = Bitmap.createBitmap(intrinsicWidth, intrinsicHeight, BITMAP_CONFIG);
         }
+
+        Canvas canvas = new Canvas(bitmap);
+        drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
+        drawable.draw(canvas);
+        return bitmap;
+
     }
 
     private void initializeBitmap() {