diff --git a/app/build.gradle b/app/build.gradle
index 2e96a76..ccf02a5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -11,7 +11,7 @@ repositories {
 
 android {
     compileSdkVersion 23
-    buildToolsVersion '23.0.2'
+    buildToolsVersion '25.0.0'
 
     defaultConfig {
         applicationId "net.droidlabs.mvvmdemo"
diff --git a/app/src/main/java/net/droidlabs/mvvmdemo/binder/SuperUserBinder.java b/app/src/main/java/net/droidlabs/mvvmdemo/binder/SuperUserBinder.java
index bc06985..70e7974 100644
--- a/app/src/main/java/net/droidlabs/mvvmdemo/binder/SuperUserBinder.java
+++ b/app/src/main/java/net/droidlabs/mvvmdemo/binder/SuperUserBinder.java
@@ -4,16 +4,14 @@
 import net.droidlabs.mvvmdemo.viewmodel.SuperUserViewModel;
 import net.droidlabs.mvvmdemo.viewmodel.UserViewModel;
 
-public class SuperUserBinder extends ConditionalDataBinder<UserViewModel>
-{
-    public SuperUserBinder(int bindingVariable, int layoutId)
-    {
-        super(bindingVariable, layoutId);
+public class SuperUserBinder extends ConditionalDataBinder<UserViewModel> {
+
+    public SuperUserBinder(int bindingVariable, int layoutId) {
+        super(bindingVariable, layoutId, null);
     }
 
     @Override
-    public boolean canHandle(UserViewModel model)
-    {
+    public boolean canHandle(UserViewModel model) {
         return model instanceof SuperUserViewModel;
     }
 }
diff --git a/app/src/main/java/net/droidlabs/mvvmdemo/binder/UserBinder.java b/app/src/main/java/net/droidlabs/mvvmdemo/binder/UserBinder.java
index 36ad3a3..bf5654e 100644
--- a/app/src/main/java/net/droidlabs/mvvmdemo/binder/UserBinder.java
+++ b/app/src/main/java/net/droidlabs/mvvmdemo/binder/UserBinder.java
@@ -3,16 +3,13 @@
 import net.droidlabs.mvvm.recyclerview.adapter.binder.ConditionalDataBinder;
 import net.droidlabs.mvvmdemo.viewmodel.UserViewModel;
 
-public class UserBinder extends ConditionalDataBinder<UserViewModel>
-{
-    public UserBinder(int bindingVariable, int layoutId)
-    {
-        super(bindingVariable, layoutId);
+public class UserBinder extends ConditionalDataBinder<UserViewModel> {
+    public UserBinder(int bindingVariable, int layoutId) {
+        super(bindingVariable, layoutId, null);
     }
 
     @Override
-    public boolean canHandle(UserViewModel model)
-    {
+    public boolean canHandle(UserViewModel model) {
         return true;
     }
 }
diff --git a/app/src/main/java/net/droidlabs/mvvmdemo/model/Group.java b/app/src/main/java/net/droidlabs/mvvmdemo/model/Group.java
new file mode 100644
index 0000000..37298fa
--- /dev/null
+++ b/app/src/main/java/net/droidlabs/mvvmdemo/model/Group.java
@@ -0,0 +1,12 @@
+package net.droidlabs.mvvmdemo.model;
+
+public class Group {
+
+    public String name;
+    public String id;
+
+    public Group(String name, String id) {
+        this.name = name;
+        this.id = id;
+    }
+}
diff --git a/app/src/main/java/net/droidlabs/mvvmdemo/view/UsersView.java b/app/src/main/java/net/droidlabs/mvvmdemo/view/UsersView.java
index bea41fe..b86aa6c 100644
--- a/app/src/main/java/net/droidlabs/mvvmdemo/view/UsersView.java
+++ b/app/src/main/java/net/droidlabs/mvvmdemo/view/UsersView.java
@@ -1,5 +1,7 @@
 package net.droidlabs.mvvmdemo.view;
 
+import android.app.Activity;
+import android.content.Context;
 import android.databinding.DataBindingUtil;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
@@ -9,35 +11,38 @@
 import android.view.View;
 import android.widget.EditText;
 import android.widget.Toast;
+
 import net.droidlabs.mvvm.recyclerview.adapter.ClickHandler;
 import net.droidlabs.mvvm.recyclerview.adapter.LongClickHandler;
 import net.droidlabs.mvvm.recyclerview.adapter.binder.CompositeItemBinder;
 import net.droidlabs.mvvm.recyclerview.adapter.binder.ItemBinder;
+import net.droidlabs.mvvm.recyclerview.adapter.binder.ItemBinderBase;
 import net.droidlabs.mvvmdemo.BR;
 import net.droidlabs.mvvmdemo.R;
 import net.droidlabs.mvvmdemo.binder.SuperUserBinder;
 import net.droidlabs.mvvmdemo.binder.UserBinder;
 import net.droidlabs.mvvmdemo.databinding.UsersViewBinding;
+import net.droidlabs.mvvmdemo.model.Group;
 import net.droidlabs.mvvmdemo.model.User;
 import net.droidlabs.mvvmdemo.viewmodel.SuperUserViewModel;
 import net.droidlabs.mvvmdemo.viewmodel.UserViewModel;
 import net.droidlabs.mvvmdemo.viewmodel.UsersViewModel;
 
-public class UsersView extends AppCompatActivity
-{
+import java.util.HashMap;
+
+public class UsersView extends AppCompatActivity {
     private UsersViewModel usersViewModel;
     private UsersViewBinding binding;
+    private boolean useCompositeBinder = false;
 
     @Nullable
-    private static String getStringFromEditText(EditText editText)
-    {
+    private static String getStringFromEditText(EditText editText) {
         Editable editable = editText.getText();
         return editable == null ? null : editable.toString();
     }
 
     @Override
-    protected void onCreate(Bundle savedInstanceState)
-    {
+    protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         usersViewModel = new UsersViewModel();
         usersViewModel.users.add(new SuperUserViewModel(new User("Android", "Dev")));
@@ -48,47 +53,47 @@ protected void onCreate(Bundle savedInstanceState)
         binding.activityUsersRecycler.setLayoutManager(new LinearLayoutManager(this));
     }
 
-    public View.OnClickListener onButtonClick()
-    {
-        return new View.OnClickListener()
-        {
+    public View.OnClickListener onButtonClick() {
+        return new View.OnClickListener() {
             @Override
-            public void onClick(View v)
-            {
+            public void onClick(View v) {
                 usersViewModel.addUser(getStringFromEditText(binding.usersViewFirstname), getStringFromEditText(binding.usersViewLastname));
             }
         };
     }
 
-    public ClickHandler<UserViewModel> clickHandler()
-    {
-        return new ClickHandler<UserViewModel>()
-        {
+    public ClickHandler<UserViewModel> clickHandler() {
+        return new ClickHandler<UserViewModel>() {
             @Override
-            public void onClick(UserViewModel user)
-            {
+            public void onClick(UserViewModel user) {
                 Toast.makeText(UsersView.this, user.getFirstName() + " " + user.getLastName(), Toast.LENGTH_SHORT).show();
             }
         };
     }
 
-    public LongClickHandler<UserViewModel> longClickHandler()
-    {
-        return new LongClickHandler<UserViewModel>()
-        {
+    public LongClickHandler<UserViewModel> longClickHandler() {
+        return new LongClickHandler<UserViewModel>() {
             @Override
-            public void onLongClick(UserViewModel user)
-            {
+            public void onLongClick(UserViewModel user) {
                 Toast.makeText(UsersView.this, "LONG CLICK: " + user.getFirstName() + " " + user.getLastName(), Toast.LENGTH_SHORT).show();
             }
         };
     }
 
-    public ItemBinder<UserViewModel> itemViewBinder()
-    {
-        return new CompositeItemBinder<UserViewModel>(
-                new SuperUserBinder(BR.user, R.layout.item_super_user),
-                new UserBinder(BR.user, R.layout.item_user)
-        );
+
+    public ItemBinder<UserViewModel> itemViewBinder() {
+        if (useCompositeBinder) {
+            return new CompositeItemBinder<>(
+                    new SuperUserBinder(BR.user, R.layout.item_super_user),
+                    new UserBinder(BR.user, R.layout.item_user)
+            );
+        } else {
+
+            return new ItemBinderBase<>(BR.user, R.layout.item_user, new HashMap<Integer, Object>() {
+                {
+                    put(BR.group, new Group("TestGroup", "1"));
+                }
+            });
+        }
     }
 }
diff --git a/app/src/main/res/layout/item_super_user.xml b/app/src/main/res/layout/item_super_user.xml
index adf6b77..3d75e42 100644
--- a/app/src/main/res/layout/item_super_user.xml
+++ b/app/src/main/res/layout/item_super_user.xml
@@ -1,37 +1,37 @@
 <?xml version="1.0" encoding="utf-8"?>
-<layout xmlns:android="http://schemas.android.com/apk/res/android"
-    >
+<layout xmlns:android="http://schemas.android.com/apk/res/android">
 
     <data>
 
         <variable
             name="user"
-            type="net.droidlabs.mvvmdemo.viewmodel.SuperUserViewModel"/>
+            type="net.droidlabs.mvvmdemo.viewmodel.SuperUserViewModel" />
+
     </data>
 
-    <LinearLayout
-        xmlns:tools="http://schemas.android.com/tools"
-        android:orientation="horizontal"
+    <LinearLayout xmlns:tools="http://schemas.android.com/tools"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        android:layout_margin="10dp"
         android:background="#EEE"
-        android:layout_margin="10dp">
+        android:orientation="horizontal">
+
+
 
         <TextView
+            android:id="@+id/item_user_name"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:id="@+id/item_user_name"
             android:text='@{String.format("%s &amp; %s", user.firstName, user.group)}'
-            tools:text="Hello"/>
+            tools:text="Hello" />
 
         <TextView
+            android:id="@+id/item_user_surname"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:id="@+id/item_user_surname"
             android:text="@{user.lastName}"
-            tools:text="World"
-            />
+            tools:text="World" />
     </LinearLayout>
 </layout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_user.xml b/app/src/main/res/layout/item_user.xml
index b27d762..1be4858 100644
--- a/app/src/main/res/layout/item_user.xml
+++ b/app/src/main/res/layout/item_user.xml
@@ -7,6 +7,11 @@
         <variable
             name="user"
             type="net.droidlabs.mvvmdemo.viewmodel.UserViewModel"/>
+
+
+        <variable
+            name="group"
+            type="net.droidlabs.mvvmdemo.model.Group" />
     </data>
 
     <LinearLayout
@@ -17,6 +22,12 @@
         android:background="#CCC"
         android:layout_margin="10dp">
 
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@{group.name}" />
+
         <TextView
             android:layout_width="0dp"
             android:layout_height="wrap_content"
diff --git a/build.gradle b/build.gradle
index 8c7609d..2c91ba4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.5.0'
+        classpath 'com.android.tools.build:gradle:3.0.0-alpha6'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index cf1fce9..d2394ad 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Wed Apr 10 15:27:10 PDT 2013
+#Wed Jul 12 13:00:20 CEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.9-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-milestone-1-all.zip
diff --git a/recyclerview-binding/build.gradle b/recyclerview-binding/build.gradle
index cff8b8c..4426300 100644
--- a/recyclerview-binding/build.gradle
+++ b/recyclerview-binding/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.library'
 
 android {
     compileSdkVersion 23
-    buildToolsVersion '23.0.2'
+    buildToolsVersion '25.0.0'
 
     defaultConfig {
         minSdkVersion 7
diff --git a/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/BindingRecyclerViewAdapter.java b/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/BindingRecyclerViewAdapter.java
index ab8eb90..0d61034 100644
--- a/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/BindingRecyclerViewAdapter.java
+++ b/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/BindingRecyclerViewAdapter.java
@@ -9,13 +9,14 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+
 import net.droidlabs.mvvm.recyclerview.adapter.binder.ItemBinder;
 
 import java.lang.ref.WeakReference;
 import java.util.Collection;
+import java.util.Map;
 
-public class BindingRecyclerViewAdapter<T> extends RecyclerView.Adapter<BindingRecyclerViewAdapter.ViewHolder> implements View.OnClickListener, View.OnLongClickListener
-{
+public class BindingRecyclerViewAdapter<T> extends RecyclerView.Adapter<BindingRecyclerViewAdapter.ViewHolder> implements View.OnClickListener, View.OnLongClickListener {
     private static final int ITEM_MODEL = -124;
     private final WeakReferenceOnListChangedCallback onListChangedCallback;
     private final ItemBinder<T> itemBinder;
@@ -24,63 +25,49 @@ public class BindingRecyclerViewAdapter<T> extends RecyclerView.Adapter<BindingR
     private ClickHandler<T> clickHandler;
     private LongClickHandler<T> longClickHandler;
 
-    public BindingRecyclerViewAdapter(ItemBinder<T> itemBinder, @Nullable Collection<T> items)
-    {
+    public BindingRecyclerViewAdapter(ItemBinder<T> itemBinder, @Nullable Collection<T> items) {
         this.itemBinder = itemBinder;
         this.onListChangedCallback = new WeakReferenceOnListChangedCallback<>(this);
         setItems(items);
     }
 
-    public ObservableList<T> getItems()
-    {
+    public ObservableList<T> getItems() {
         return items;
     }
 
-    public void setItems(@Nullable Collection<T> items)
-    {
-        if (this.items == items)
-        {
+    public void setItems(@Nullable Collection<T> items) {
+        if (this.items == items) {
             return;
         }
 
-        if (this.items != null)
-        {
+        if (this.items != null) {
             this.items.removeOnListChangedCallback(onListChangedCallback);
             notifyItemRangeRemoved(0, this.items.size());
         }
 
-        if (items instanceof ObservableList)
-        {
+        if (items instanceof ObservableList) {
             this.items = (ObservableList<T>) items;
             notifyItemRangeInserted(0, this.items.size());
             this.items.addOnListChangedCallback(onListChangedCallback);
-        }
-        else if (items != null)
-        {
+        } else if (items != null) {
             this.items = new ObservableArrayList<>();
             this.items.addOnListChangedCallback(onListChangedCallback);
             this.items.addAll(items);
-        }
-        else
-        {
+        } else {
             this.items = null;
         }
     }
 
     @Override
-    public void onDetachedFromRecyclerView(RecyclerView recyclerView)
-    {
-        if (items != null)
-        {
+    public void onDetachedFromRecyclerView(RecyclerView recyclerView) {
+        if (items != null) {
             items.removeOnListChangedCallback(onListChangedCallback);
         }
     }
 
     @Override
-    public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int layoutId)
-    {
-        if (inflater == null)
-        {
+    public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int layoutId) {
+        if (inflater == null) {
             inflater = LayoutInflater.from(viewGroup.getContext());
         }
 
@@ -89,43 +76,42 @@ public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int layoutId)
     }
 
     @Override
-    public void onBindViewHolder(ViewHolder viewHolder, int position)
-    {
+    public void onBindViewHolder(ViewHolder viewHolder, int position) {
         final T item = items.get(position);
         viewHolder.binding.setVariable(itemBinder.getBindingVariable(item), item);
         viewHolder.binding.getRoot().setTag(ITEM_MODEL, item);
         viewHolder.binding.getRoot().setOnClickListener(this);
         viewHolder.binding.getRoot().setOnLongClickListener(this);
+        if (itemBinder.getBindings() != null) {
+            for (Map.Entry<Integer, Object> entry : itemBinder.getBindings().entrySet()) {
+                viewHolder.binding.setVariable(entry.getKey(), entry.getValue());
+            }
+        }
+
         viewHolder.binding.executePendingBindings();
     }
 
     @Override
-    public int getItemViewType(int position)
-    {
+    public int getItemViewType(int position) {
         return itemBinder.getLayoutRes(items.get(position));
     }
 
     @Override
-    public int getItemCount()
-    {
+    public int getItemCount() {
         return items == null ? 0 : items.size();
     }
 
     @Override
-    public void onClick(View v)
-    {
-        if (clickHandler != null)
-        {
+    public void onClick(View v) {
+        if (clickHandler != null) {
             T item = (T) v.getTag(ITEM_MODEL);
             clickHandler.onClick(item);
         }
     }
 
     @Override
-    public boolean onLongClick(View v)
-    {
-        if (longClickHandler != null)
-        {
+    public boolean onLongClick(View v) {
+        if (longClickHandler != null) {
             T item = (T) v.getTag(ITEM_MODEL);
             longClickHandler.onLongClick(item);
             return true;
@@ -133,85 +119,69 @@ public boolean onLongClick(View v)
         return false;
     }
 
-    public static class ViewHolder extends RecyclerView.ViewHolder
-    {
+    public static class ViewHolder extends RecyclerView.ViewHolder {
         final ViewDataBinding binding;
 
-        ViewHolder(ViewDataBinding binding)
-        {
+        ViewHolder(ViewDataBinding binding) {
             super(binding.getRoot());
             this.binding = binding;
         }
     }
 
-    private static class WeakReferenceOnListChangedCallback<T> extends ObservableList.OnListChangedCallback
-    {
+    private static class WeakReferenceOnListChangedCallback<T> extends ObservableList.OnListChangedCallback {
 
         private final WeakReference<BindingRecyclerViewAdapter<T>> adapterReference;
 
-        public WeakReferenceOnListChangedCallback(BindingRecyclerViewAdapter<T> bindingRecyclerViewAdapter)
-        {
+        public WeakReferenceOnListChangedCallback(BindingRecyclerViewAdapter<T> bindingRecyclerViewAdapter) {
             this.adapterReference = new WeakReference<>(bindingRecyclerViewAdapter);
         }
 
         @Override
-        public void onChanged(ObservableList sender)
-        {
+        public void onChanged(ObservableList sender) {
             RecyclerView.Adapter adapter = adapterReference.get();
-            if (adapter != null)
-            {
+            if (adapter != null) {
                 adapter.notifyDataSetChanged();
             }
         }
 
         @Override
-        public void onItemRangeChanged(ObservableList sender, int positionStart, int itemCount)
-        {
+        public void onItemRangeChanged(ObservableList sender, int positionStart, int itemCount) {
             RecyclerView.Adapter adapter = adapterReference.get();
-            if (adapter != null)
-            {
+            if (adapter != null) {
                 adapter.notifyItemRangeChanged(positionStart, itemCount);
             }
         }
 
         @Override
-        public void onItemRangeInserted(ObservableList sender, int positionStart, int itemCount)
-        {
+        public void onItemRangeInserted(ObservableList sender, int positionStart, int itemCount) {
             RecyclerView.Adapter adapter = adapterReference.get();
-            if (adapter != null)
-            {
+            if (adapter != null) {
                 adapter.notifyItemRangeInserted(positionStart, itemCount);
             }
         }
 
         @Override
-        public void onItemRangeMoved(ObservableList sender, int fromPosition, int toPosition, int itemCount)
-        {
+        public void onItemRangeMoved(ObservableList sender, int fromPosition, int toPosition, int itemCount) {
             RecyclerView.Adapter adapter = adapterReference.get();
-            if (adapter != null)
-            {
+            if (adapter != null) {
                 adapter.notifyItemMoved(fromPosition, toPosition);
             }
         }
 
         @Override
-        public void onItemRangeRemoved(ObservableList sender, int positionStart, int itemCount)
-        {
+        public void onItemRangeRemoved(ObservableList sender, int positionStart, int itemCount) {
             RecyclerView.Adapter adapter = adapterReference.get();
-            if (adapter != null)
-            {
+            if (adapter != null) {
                 adapter.notifyItemRangeRemoved(positionStart, itemCount);
             }
         }
     }
 
-    public void setClickHandler(ClickHandler<T> clickHandler)
-    {
+    public void setClickHandler(ClickHandler<T> clickHandler) {
         this.clickHandler = clickHandler;
     }
 
-    public void setLongClickHandler(LongClickHandler<T> clickHandler)
-    {
+    public void setLongClickHandler(LongClickHandler<T> clickHandler) {
         this.longClickHandler = clickHandler;
     }
 }
\ No newline at end of file
diff --git a/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/CompositeItemBinder.java b/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/CompositeItemBinder.java
index 7324e54..6c4afaa 100644
--- a/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/CompositeItemBinder.java
+++ b/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/CompositeItemBinder.java
@@ -1,22 +1,19 @@
 package net.droidlabs.mvvm.recyclerview.adapter.binder;
 
-public class CompositeItemBinder<T> implements ItemBinder<T>
-{
+import java.util.Map;
+
+public class CompositeItemBinder<T> implements ItemBinder<T> {
     private final ConditionalDataBinder<T>[] conditionalDataBinders;
 
-    public CompositeItemBinder(ConditionalDataBinder<T>... conditionalDataBinders)
-    {
+    public CompositeItemBinder(ConditionalDataBinder<T>... conditionalDataBinders) {
         this.conditionalDataBinders = conditionalDataBinders;
     }
 
     @Override
-    public int getLayoutRes(T model)
-    {
-        for (int i = 0; i < conditionalDataBinders.length; i++)
-        {
+    public int getLayoutRes(T model) {
+        for (int i = 0; i < conditionalDataBinders.length; i++) {
             ConditionalDataBinder<T> dataBinder = conditionalDataBinders[i];
-            if (dataBinder.canHandle(model))
-            {
+            if (dataBinder.canHandle(model)) {
                 return dataBinder.getLayoutRes(model);
             }
         }
@@ -25,17 +22,21 @@ public int getLayoutRes(T model)
     }
 
     @Override
-    public int getBindingVariable(T model)
-    {
-        for (int i = 0; i < conditionalDataBinders.length; i++)
-        {
+    public int getBindingVariable(T model) {
+        for (int i = 0; i < conditionalDataBinders.length; i++) {
             ConditionalDataBinder<T> dataBinder = conditionalDataBinders[i];
-            if (dataBinder.canHandle(model))
-            {
+            if (dataBinder.canHandle(model)) {
                 return dataBinder.getBindingVariable(model);
             }
         }
 
         throw new IllegalStateException();
     }
+
+    @Override public Map<Integer, Object> getBindings() {
+        ConditionalDataBinder<T> dataBinder = conditionalDataBinders[0];
+        return dataBinder.getBindings();
+    }
+
+
 }
diff --git a/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ConditionalDataBinder.java b/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ConditionalDataBinder.java
index c46cdfc..0d0f204 100644
--- a/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ConditionalDataBinder.java
+++ b/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ConditionalDataBinder.java
@@ -1,16 +1,15 @@
 package net.droidlabs.mvvm.recyclerview.adapter.binder;
 
-public abstract class ConditionalDataBinder<T> extends ItemBinderBase<T>
-{
-    public ConditionalDataBinder(int bindingVariable, int layoutId)
-    {
-        super(bindingVariable, layoutId);
+import java.util.Map;
+
+public abstract class ConditionalDataBinder<T> extends ItemBinderBase<T> {
+    public ConditionalDataBinder(int bindingVariable, int layoutId, Map<Integer, Object> bindings) {
+        super(bindingVariable, layoutId, bindings);
     }
 
     public abstract boolean canHandle(T model);
 
-    public  boolean canHandle(int layoutId)
-    {
+    public boolean canHandle(int layoutId) {
         return this.layoutId == layoutId;
     }
 }
diff --git a/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ItemBinder.java b/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ItemBinder.java
index f689d9e..8fc9bed 100644
--- a/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ItemBinder.java
+++ b/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ItemBinder.java
@@ -1,7 +1,15 @@
 package net.droidlabs.mvvm.recyclerview.adapter.binder;
 
+import java.util.Map;
+
 public interface ItemBinder<T>
 {
       int getLayoutRes(T model);
       int getBindingVariable(T model);
+      /**
+       * used to define your own bindings
+       * @return Map
+       */
+      Map<Integer, Object> getBindings();
+
 }
diff --git a/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ItemBinderBase.java b/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ItemBinderBase.java
index d15dc77..432b2d6 100644
--- a/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ItemBinderBase.java
+++ b/recyclerview-binding/src/main/java/net/droidlabs/mvvm/recyclerview/adapter/binder/ItemBinderBase.java
@@ -1,23 +1,32 @@
 package net.droidlabs.mvvm.recyclerview.adapter.binder;
 
-public class ItemBinderBase<T> implements ItemBinder<T>
-{
-    protected final int bindingVariable;
-    protected final int layoutId;
+import android.support.annotation.Nullable;
+
+import java.util.Map;
+
+public class ItemBinderBase<T> implements ItemBinder<T> {
+    final int bindingVariable;
+    final int layoutId;
+    final Map<Integer, Object> bindings;
+
+    public ItemBinderBase(int bindingVariable, int layoutId, @Nullable Map<Integer, Object> bindings) {
 
-    public ItemBinderBase(int bindingVariable, int layoutId)
-    {
         this.bindingVariable = bindingVariable;
         this.layoutId = layoutId;
+        this.bindings = bindings;
     }
 
-    public int getLayoutRes(T model)
-    {
+    public int getLayoutRes(T model) {
         return layoutId;
     }
 
-    public int getBindingVariable(T model)
-    {
+    public int getBindingVariable(T model) {
         return bindingVariable;
     }
+
+    @Override public Map<Integer, Object> getBindings() {
+        return bindings;
+    }
+
+
 }