diff --git a/.idea/misc.xml b/.idea/misc.xml
index 7c1371c..1d77643 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -34,7 +34,7 @@
     <ConfirmationsSetting value="0" id="Add" />
     <ConfirmationsSetting value="0" id="Remove" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index d634f40..c5602de 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -34,20 +34,20 @@
   <component name="FileEditorManager">
     <leaf>
       <file leaf-file-name="build.gradle" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/libary/build.gradle">
+        <entry file="file://$PROJECT_DIR$/samples/build.gradle">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="759">
-              <caret line="33" column="60" selection-start-line="33" selection-start-column="60" selection-end-line="33" selection-end-column="60" />
+            <state relative-caret-position="407">
+              <caret line="21" column="1" selection-start-line="21" selection-start-column="1" selection-end-line="21" selection-end-column="1" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
       <file leaf-file-name="build.gradle" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/samples/build.gradle">
+        <entry file="file://$PROJECT_DIR$/libary/build.gradle">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="345">
-              <caret line="15" column="16" selection-start-line="15" selection-start-column="16" selection-end-line="15" selection-end-column="16" />
+            <state relative-caret-position="476">
+              <caret line="33" column="60" selection-start-line="32" selection-start-column="47" selection-end-line="33" selection-end-column="60" />
               <folding />
             </state>
           </provider>
@@ -2572,6 +2572,7 @@
     <option name="CHANGED_PATHS">
       <list>
         <option value="$PROJECT_DIR$/samples/build.gradle" />
+        <option value="$PROJECT_DIR$/libary/build.gradle" />
       </list>
     </option>
   </component>
@@ -2894,18 +2895,26 @@
     <watches-manager />
   </component>
   <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/libary/build.gradle">
+    <entry file="file://$PROJECT_DIR$/build.gradle">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="759">
-          <caret line="33" column="60" selection-start-line="33" selection-start-column="60" selection-end-line="33" selection-end-column="60" />
+        <state relative-caret-position="-7">
+          <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
           <folding />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/samples/build.gradle">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="345">
-          <caret line="15" column="16" selection-start-line="15" selection-start-column="16" selection-end-line="15" selection-end-column="16" />
+        <state relative-caret-position="407">
+          <caret line="21" column="1" selection-start-line="21" selection-start-column="1" selection-end-line="21" selection-end-column="1" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/libary/build.gradle">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="476">
+          <caret line="33" column="60" selection-start-line="32" selection-start-column="47" selection-end-line="33" selection-end-column="60" />
           <folding />
         </state>
       </provider>
diff --git a/libary/build.gradle b/libary/build.gradle
index 7498f5e..c43df4e 100644
--- a/libary/build.gradle
+++ b/libary/build.gradle
@@ -29,7 +29,7 @@ repositories{
 
 
 dependencies {
-    compile 'com.android.support:recyclerview-v7:25.1.0'
+    compile 'com.android.support:recyclerview-v7:23.3.0'
     compile 'com.nineoldandroids:library:2.4.0'
     compile 'com.android.support:support-annotations:25.1.0'
 }