Update

Author: Zenlua

app/src/main/java/com/omarea/common/ui/FastBlurUtility.java

@@ -76,10 +76,11 @@ private static Bitmap scaleAndDim(Bitmap bitmap, int targetW, int targetH) {
         // Tạo bộ lọc màu để giảm độ sáng (contrast 0.85f ~ giảm 15% độ sáng)
         ColorMatrix cm = new ColorMatrix();
         float contrast = 0.95f; 
+        float brightness = 30f; 
         cm.set(new float[]{
-                contrast, 0, 0, 0, 0,
-                0, contrast, 0, 0, 0,
-                0, 0, contrast, 0, 0,
+                contrast, 0, 0, 0, brightness,
+                0, contrast, 0, 0, brightness,
+                0, 0, contrast, 0, brightness,
                 0, 0, 0, 1, 0});
         paint.setColorFilter(new ColorMatrixColorFilter(cm));