Add rectangle clipping (Fixes Issue xabaras#7)

Author: Paolo Montalto

recyclerview-swipedecorator/build.gradle

@@ -1,7 +1,7 @@
 apply plugin: 'com.android.library'
 
-int VERSION_CODE = 6
-String VERSION_NAME = "1.2.2"
+int VERSION_CODE = 7
+String VERSION_NAME = "1.2.3"
 
 android {
     compileSdkVersion 28

recyclerview-swipedecorator/src/main/java/it/xabaras/android/recyclerview/swipedecorator/RecyclerViewSwipeDecorator.java

@@ -270,6 +270,7 @@ public void decorate() {
 
             if ( dX > 0 ) {
                 // Swiping Right
+                canvas.clipRect(viewHolder.itemView.getLeft(), viewHolder.itemView.getTop(), viewHolder.itemView.getLeft() + (int) dX, viewHolder.itemView.getBottom());
                 if ( swipeRightBackgroundColor != 0 ) {
                     final ColorDrawable background = new ColorDrawable(swipeRightBackgroundColor);
                     background.setBounds(viewHolder.itemView.getLeft(), viewHolder.itemView.getTop(), viewHolder.itemView.getLeft() + (int) dX, viewHolder.itemView.getBottom());
@@ -303,6 +304,7 @@ public void decorate() {
 
             } else if ( dX < 0 ) {
                 // Swiping Left
+                canvas.clipRect(viewHolder.itemView.getRight() + (int) dX, viewHolder.itemView.getTop(), viewHolder.itemView.getRight(), viewHolder.itemView.getBottom());
                 if ( swipeLeftBackgroundColor != 0 ) {
                     final ColorDrawable background = new ColorDrawable(swipeLeftBackgroundColor);
                     background.setBounds(viewHolder.itemView.getRight() + (int) dX, viewHolder.itemView.getTop(), viewHolder.itemView.getRight(), viewHolder.itemView.getBottom());

sample/src/main/res/layout/view_list_item.xml

@@ -5,8 +5,7 @@
     android:paddingRight="16dp"
     android:paddingLeft="16dp"
     android:paddingTop="16dp"
-    android:paddingBottom="16dp"
-    android:background="@android:color/white">
+    android:paddingBottom="16dp">
 
     <TextView
         android:id="@+id/text1"