Update 1.0.1

Author: GIGAMOLE

README.md

@@ -32,7 +32,7 @@ dependencies {
 Or Gradle Maven Central:
 
 ```groovy
-compile 'com.github.devlight.shadowlayout:library:1.0.0'
+compile 'com.github.devlight.shadowlayout:library:1.0.1'
 ```
 
 Or Maven:
@@ -41,15 +41,15 @@ Or Maven:
 <dependency>
     <groupId>com.github.devlight.shadowlayout</groupId>
     <artifactId>library</artifactId>
-    <version>1.0.0</version>
+    <version>1.0.1</version>
     <type>aar</type>
 </dependency>
 ```
 
 Android SDK Version
 =========
 
-ShadowLayout requires a minimum sdk version of 11. 
+ShadowLayout requires a minimum SDK version of 11. 
 
 Sample
 ========

library/build.gradle

@@ -19,7 +19,7 @@ apply plugin: "com.jfrog.bintray"
 apply plugin: 'com.github.dcendents.android-maven'
 apply plugin: 'maven'
 
-version = "1.0.0"
+version = "1.0.1"
 
 android {
     compileSdkVersion 23
@@ -29,7 +29,7 @@ android {
         minSdkVersion 11
         targetSdkVersion 23
         versionCode 1
-        versionName "1.0.0"
+        versionName "1.0.1"
     }
     buildTypes {
         release {

library/src/main/java/com/gigamole/library/ShadowLayout.java

@@ -23,6 +23,7 @@
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
+import android.graphics.PorterDuff;
 import android.graphics.Rect;
 import android.support.annotation.FloatRange;
 import android.util.AttributeSet;
@@ -112,6 +113,16 @@ public ShadowLayout(final Context context, final AttributeSet attrs, final int d
         }
     }
 
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        // Clear shadow bitmap
+        if (mBitmap != null) {
+            mBitmap.recycle();
+            mBitmap = null;
+        }
+    }
+
     public boolean isShadowed() {
         return mIsShadowed;
     }
@@ -224,17 +235,27 @@ protected void dispatchDraw(final Canvas canvas) {
                     // paint does`t draw shadow, it draw another copy of bitmap
                     super.dispatchDraw(mCanvas);
 
-                    // Draw alpha chanel bitmap of our local canvas
-                    mCanvas.drawBitmap(mBitmap.extractAlpha(), mShadowDx, mShadowDy, mPaint);
+                    // Get the alpha bounds of bitmap
+                    final Bitmap extractedAlpha = mBitmap.extractAlpha();
+                    // Clear past content content to draw shadow
+                    mCanvas.drawColor(0, PorterDuff.Mode.CLEAR);
+
+                    // Draw extracted alpha bounds of our local canvas
+                    mCanvas.drawBitmap(extractedAlpha, mShadowDx, mShadowDy, mPaint);
+
+                    // Recycle and clear extracted alpha
+                    extractedAlpha.recycle();
                 } else {
-                    // Clear shadow bitmap
-                    mBitmap.recycle();
-                    mBitmap = null;
+                    // Create placeholder bitmap when size is zero and wait until new size coming up
+                    mBitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.RGB_565);
                 }
             }
 
             // Draw shadow bitmap
-            if (mCanvas != null && mBitmap != null) canvas.drawBitmap(mBitmap, 0.0f, 0.0f, null);
+            if (mCanvas != null) {
+                if (mBitmap != null && !mBitmap.isRecycled())
+                    canvas.drawBitmap(mBitmap, 0.0f, 0.0f, null);
+            }
         }
 
         // Draw child`s