diff --git a/.idea/compiler.xml b/.idea/compiler.xml
deleted file mode 100644
index 96cc43e..0000000
--- a/.idea/compiler.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <resourceExtensions />
-    <wildcardResourcePatterns>
-      <entry name="!?*.java" />
-      <entry name="!?*.form" />
-      <entry name="!?*.class" />
-      <entry name="!?*.groovy" />
-      <entry name="!?*.scala" />
-      <entry name="!?*.flex" />
-      <entry name="!?*.kt" />
-      <entry name="!?*.clj" />
-      <entry name="!?*.aj" />
-    </wildcardResourcePatterns>
-    <annotationProcessing>
-      <profile default="true" name="Default" enabled="false">
-        <processorPath useClasspath="true" />
-      </profile>
-    </annotationProcessing>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/copyright/profiles_settings.xml b/.idea/copyright/profiles_settings.xml
deleted file mode 100644
index e7bedf3..0000000
--- a/.idea/copyright/profiles_settings.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<component name="CopyrightManager">
-  <settings default="" />
-</component>
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
deleted file mode 100644
index 97626ba..0000000
--- a/.idea/encodings.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding">
-    <file url="PROJECT" charset="UTF-8" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
deleted file mode 100644
index c7be450..0000000
--- a/.idea/gradle.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="GradleSettings">
-    <option name="linkedExternalProjectsSettings">
-      <GradleProjectSettings>
-        <option name="distributionType" value="LOCAL" />
-        <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleHome" value="E:\android tools\android-studio-ide-145.3200535-windows\android-studio\gradle\gradle-2.14.1" />
-        <option name="modules">
-          <set>
-            <option value="$PROJECT_DIR$" />
-            <option value="$PROJECT_DIR$/app" />
-            <option value="$PROJECT_DIR$/layoutmanager" />
-          </set>
-        </option>
-        <option name="resolveModulePerSourceSet" value="false" />
-      </GradleProjectSettings>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/libraries/adapters_1_2_1.xml b/.idea/libraries/adapters_1_2_1.xml
deleted file mode 100644
index 89f6867..0000000
--- a/.idea/libraries/adapters_1_2_1.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<component name="libraryTable">
-  <library name="adapters-1.2.1">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.databinding/adapters/1.2.1/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.databinding/adapters/1.2.1/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/databinding/adapters/1.2.1/adapters-1.2.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/all_base_adapter_V1_3_0.xml b/.idea/libraries/all_base_adapter_V1_3_0.xml
deleted file mode 100644
index 5b91877..0000000
--- a/.idea/libraries/all_base_adapter_V1_3_0.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="all-base-adapter-V1.3.0">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.github.mcxtzhang/all-base-adapter/V1.3.0/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.github.mcxtzhang/all-base-adapter/V1.3.0/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/animated_vector_drawable_24_2_1.xml b/.idea/libraries/animated_vector_drawable_24_2_1.xml
deleted file mode 100644
index a69566a..0000000
--- a/.idea/libraries/animated_vector_drawable_24_2_1.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<component name="libraryTable">
-  <library name="animated-vector-drawable-24.2.1">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/animated-vector-drawable/24.2.1/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/animated-vector-drawable/24.2.1/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/animated-vector-drawable/24.2.1/animated-vector-drawable-24.2.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/appcompat_v7_24_2_1.xml b/.idea/libraries/appcompat_v7_24_2_1.xml
deleted file mode 100644
index 2405f40..0000000
--- a/.idea/libraries/appcompat_v7_24_2_1.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<component name="libraryTable">
-  <library name="appcompat-v7-24.2.1">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/appcompat-v7/24.2.1/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/appcompat-v7/24.2.1/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/appcompat-v7/24.2.1/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/appcompat-v7/24.2.1/appcompat-v7-24.2.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/baseLibrary_2_2_3.xml b/.idea/libraries/baseLibrary_2_2_3.xml
deleted file mode 100644
index 2a23770..0000000
--- a/.idea/libraries/baseLibrary_2_2_3.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="baseLibrary-2.2.3">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.android.databinding/baseLibrary/2.2.3/b4b51d1925cdfda98fd861230c1ecb5855500129/baseLibrary-2.2.3.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.android.databinding/baseLibrary/2.2.3/212ef3aaf0963bf1985c999e1daa4e8c43825a3f/baseLibrary-2.2.3-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/cardview_v7_25_1_0.xml b/.idea/libraries/cardview_v7_25_1_0.xml
deleted file mode 100644
index a9f9813..0000000
--- a/.idea/libraries/cardview_v7_25_1_0.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<component name="libraryTable">
-  <library name="cardview-v7-25.1.0">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/cardview-v7/25.1.0/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/cardview-v7/25.1.0/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/cardview-v7/25.1.0/cardview-v7-25.1.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/library_1_2_1.xml b/.idea/libraries/library_1_2_1.xml
deleted file mode 100644
index 6237116..0000000
--- a/.idea/libraries/library_1_2_1.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<component name="libraryTable">
-  <library name="library-1.2.1">
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.databinding/library/1.2.1/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.databinding/library/1.2.1/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/databinding/library/1.2.1/library-1.2.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/picasso_2_3_2.xml b/.idea/libraries/picasso_2_3_2.xml
deleted file mode 100644
index 43d430c..0000000
--- a/.idea/libraries/picasso_2_3_2.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="picasso-2.3.2">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.squareup.picasso/picasso/2.3.2/d6b7f0093cec6c9faf65dbfd6a6a345d0ed25e27/picasso-2.3.2.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.squareup.picasso/picasso/2.3.2/ffdcaa75eabe7466a5db2814075a99b2704846dc/picasso-2.3.2-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/recyclerview_v7_25_0_1.xml b/.idea/libraries/recyclerview_v7_25_0_1.xml
deleted file mode 100644
index a189f41..0000000
--- a/.idea/libraries/recyclerview_v7_25_0_1.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<component name="libraryTable">
-  <library name="recyclerview-v7-25.0.1">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/25.0.1/annotations.zip!/" />
-      <root url="jar://$PROJECT_DIR$/layoutmanager/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/25.0.1/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/25.0.1/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/25.0.1/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/recyclerview-v7/25.0.1/recyclerview-v7-25.0.1-sources.jar!/" />
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/recyclerview-v7/25.0.1/recyclerview-v7-25.0.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_annotations_25_0_1.xml b/.idea/libraries/support_annotations_25_0_1.xml
deleted file mode 100644
index 05ec040..0000000
--- a/.idea/libraries/support_annotations_25_0_1.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="support-annotations-25.0.1">
-    <CLASSES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-annotations/25.0.1/support-annotations-25.0.1.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-annotations/25.0.1/support-annotations-25.0.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_annotations_25_1_0.xml b/.idea/libraries/support_annotations_25_1_0.xml
deleted file mode 100644
index 643c822..0000000
--- a/.idea/libraries/support_annotations_25_1_0.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="support-annotations-25.1.0">
-    <CLASSES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-annotations/25.1.0/support-annotations-25.1.0.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-annotations/25.1.0/support-annotations-25.1.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_compat_25_0_1.xml b/.idea/libraries/support_compat_25_0_1.xml
deleted file mode 100644
index 43d194f..0000000
--- a/.idea/libraries/support_compat_25_0_1.xml
+++ /dev/null
@@ -1,18 +0,0 @@
-<component name="libraryTable">
-  <library name="support-compat-25.0.1">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-compat/25.0.1/annotations.zip!/" />
-      <root url="jar://$PROJECT_DIR$/layoutmanager/build/intermediates/exploded-aar/com.android.support/support-compat/25.0.1/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-compat/25.0.1/jars/libs/internal_impl-25.0.1.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-compat/25.0.1/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-compat/25.0.1/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-compat/25.0.1/support-compat-25.0.1-sources.jar!/" />
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-compat/25.0.1/support-compat-25.0.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_core_ui_25_0_1.xml b/.idea/libraries/support_core_ui_25_0_1.xml
deleted file mode 100644
index c8fcc22..0000000
--- a/.idea/libraries/support_core_ui_25_0_1.xml
+++ /dev/null
@@ -1,18 +0,0 @@
-<component name="libraryTable">
-  <library name="support-core-ui-25.0.1">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-ui/25.0.1/annotations.zip!/" />
-      <root url="jar://$PROJECT_DIR$/layoutmanager/build/intermediates/exploded-aar/com.android.support/support-core-ui/25.0.1/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-ui/25.0.1/jars/classes.jar!/" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-ui/25.0.1/jars/libs/internal_impl-25.0.1.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-ui/25.0.1/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-core-ui/25.0.1/support-core-ui-25.0.1-sources.jar!/" />
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-core-ui/25.0.1/support-core-ui-25.0.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_core_utils_25_0_0.xml b/.idea/libraries/support_core_utils_25_0_0.xml
deleted file mode 100644
index 469527b..0000000
--- a/.idea/libraries/support_core_utils_25_0_0.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<component name="libraryTable">
-  <library name="support-core-utils-25.0.0">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-utils/25.0.0/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-utils/25.0.0/jars/classes.jar!/" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-utils/25.0.0/jars/libs/internal_impl-25.0.0.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-utils/25.0.0/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-core-utils/25.0.0/support-core-utils-25.0.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_fragment_25_0_0.xml b/.idea/libraries/support_fragment_25_0_0.xml
deleted file mode 100644
index 4a5acc0..0000000
--- a/.idea/libraries/support_fragment_25_0_0.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<component name="libraryTable">
-  <library name="support-fragment-25.0.0">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-fragment/25.0.0/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-fragment/25.0.0/jars/classes.jar!/" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-fragment/25.0.0/jars/libs/internal_impl-25.0.0.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-fragment/25.0.0/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-fragment/25.0.0/support-fragment-25.0.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_media_compat_25_0_0.xml b/.idea/libraries/support_media_compat_25_0_0.xml
deleted file mode 100644
index 4bbd071..0000000
--- a/.idea/libraries/support_media_compat_25_0_0.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<component name="libraryTable">
-  <library name="support-media-compat-25.0.0">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-media-compat/25.0.0/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-media-compat/25.0.0/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-media-compat/25.0.0/jars/libs/internal_impl-25.0.0.jar!/" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-media-compat/25.0.0/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-media-compat/25.0.0/support-media-compat-25.0.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_v4_25_0_0.xml b/.idea/libraries/support_v4_25_0_0.xml
deleted file mode 100644
index 20787f8..0000000
--- a/.idea/libraries/support_v4_25_0_0.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="support-v4-25.0.0">
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-v4/25.0.0/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-v4/25.0.0/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_vector_drawable_24_2_1.xml b/.idea/libraries/support_vector_drawable_24_2_1.xml
deleted file mode 100644
index 389e726..0000000
--- a/.idea/libraries/support_vector_drawable_24_2_1.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<component name="libraryTable">
-  <library name="support-vector-drawable-24.2.1">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-vector-drawable/24.2.1/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-vector-drawable/24.2.1/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://E:/Androidtools/Android/sdk/extras/android/m2repository/com/android/support/support-vector-drawable/24.2.1/support-vector-drawable-24.2.1-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index 7158618..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,62 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="EntryPointsManager">
-    <entry_points version="2.0" />
-  </component>
-  <component name="NullableNotNullManager">
-    <option name="myDefaultNullable" value="android.support.annotation.Nullable" />
-    <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
-    <option name="myNullables">
-      <value>
-        <list size="4">
-          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
-          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
-          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
-          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
-        </list>
-      </value>
-    </option>
-    <option name="myNotNulls">
-      <value>
-        <list size="4">
-          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
-          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
-          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
-          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
-        </list>
-      </value>
-    </option>
-  </component>
-  <component name="ProjectLevelVcsManager" settingsEditedManually="false">
-    <OptionsSetting value="true" id="Add" />
-    <OptionsSetting value="true" id="Remove" />
-    <OptionsSetting value="true" id="Checkout" />
-    <OptionsSetting value="true" id="Update" />
-    <OptionsSetting value="true" id="Status" />
-    <OptionsSetting value="true" id="Edit" />
-    <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">
-    <output url="file://$PROJECT_DIR$/build/classes" />
-  </component>
-  <component name="ProjectType">
-    <option name="id" value="Android" />
-  </component>
-  <component name="masterDetails">
-    <states>
-      <state key="ProjectJDKs.UI">
-        <settings>
-          <last-edited>1.8</last-edited>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-    </states>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index 32e097c..0000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/FlowLayoutManager.iml" filepath="$PROJECT_DIR$/FlowLayoutManager.iml" />
-      <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
-      <module fileurl="file://$PROJECT_DIR$/layoutmanager/layoutmanager.iml" filepath="$PROJECT_DIR$/layoutmanager/layoutmanager.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
deleted file mode 100644
index 7f68460..0000000
--- a/.idea/runConfigurations.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RunConfigurationProducerService">
-    <option name="ignoredProducers">
-      <set>
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
-      </set>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 94a25f7..0000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 6910e0c..eea61c6 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -18,7 +18,7 @@
         android:layout_alignParentRight="true"
         android:onClick="add"
         android:text="增加"
-        android:visibility="gone"/>
+        android:visibility="visible"/>
 
     <Button
         android:layout_width="wrap_content"
@@ -26,7 +26,7 @@
         android:layout_alignParentBottom="true"
         android:onClick="del"
         android:text="删除"
-        android:visibility="gone"/>
+        android:visibility="visible"/>
 
     <Button
         android:id="@+id/btnFlow"
diff --git a/app/src/main/res/layout/item_flow.xml b/app/src/main/res/layout/item_flow.xml
index 1d6ac66..3a2dae2 100644
--- a/app/src/main/res/layout/item_flow.xml
+++ b/app/src/main/res/layout/item_flow.xml
@@ -2,8 +2,8 @@
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
           xmlns:tools="http://schemas.android.com/tools"
           android:id="@+id/tv"
-          android:layout_width="200dp"
-          android:layout_height="200dp"
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
           android:layout_gravity="center_vertical"
           android:layout_marginBottom="10dp"
           android:layout_marginLeft="5dp"
diff --git a/gradle.properties b/gradle.properties
index aac7c9b..1cd040c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,17 +1,18 @@
-# Project-wide Gradle settings.
-
-# IDE (e.g. Android Studio) users:
-# Gradle settings configured through the IDE *will override*
-# any settings specified in this file.
-
+## Project-wide Gradle settings.
+#
 # For more details on how to configure your build environment visit
 # http://www.gradle.org/docs/current/userguide/build_environment.html
-
+#
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-org.gradle.jvmargs=-Xmx1536m
-
+# Default value: -Xmx1024m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+#
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
+#Mon Dec 26 10:25:57 CST 2016
+systemProp.http.proxyHost=127.0.0.1
+org.gradle.jvmargs=-Xmx1536m
+systemProp.http.proxyPort=1080
diff --git a/layoutmanager/src/main/java/com/mcxtzhang/layoutmanager/flow/FlowLayoutManager.java b/layoutmanager/src/main/java/com/mcxtzhang/layoutmanager/flow/FlowLayoutManager.java
index 15e92de..14f0b14 100644
--- a/layoutmanager/src/main/java/com/mcxtzhang/layoutmanager/flow/FlowLayoutManager.java
+++ b/layoutmanager/src/main/java/com/mcxtzhang/layoutmanager/flow/FlowLayoutManager.java
@@ -15,6 +15,8 @@
  */
 
 public class FlowLayoutManager extends RecyclerView.LayoutManager {
+    private static final String TAG=FlowLayoutManager.class.getSimpleName();
+
     private int mVerticalOffset;//竖直偏移量 每次换行时，要根据这个offset判断
     private int mFirstVisiPos;//屏幕可见的第一个View的Position
     private int mLastVisiPos;//屏幕可见的最后一个View的Position
@@ -224,7 +226,11 @@ public int scrollVerticallyBy(int dy, RecyclerView.Recycler recycler, RecyclerVi
         } else if (realOffset > 0) {//下边界
             //利用最后一个子View比较修正
             View lastChild = getChildAt(getChildCount() - 1);
-            if (getPosition(lastChild) == getItemCount() - 1) {
+            //修复当Item能全部显示在屏幕时，上下滑动会造成错位的问题
+            //如果当前显示Item的数量等于总体Item数量 并且最后一个ItemView高度小于Rv显示高度 则不能滚动
+            if(getItemCount()==getChildCount() && (getHeight()-getPaddingBottom())>=getDecoratedBottom(lastChild)){
+                realOffset=0;
+            } else if (getPosition(lastChild) == getItemCount() - 1) {
                 int gap = getHeight() - getPaddingBottom() - getDecoratedBottom(lastChild);
                 if (gap > 0) {
                     realOffset = -gap;
@@ -235,6 +241,10 @@ public int scrollVerticallyBy(int dy, RecyclerView.Recycler recycler, RecyclerVi
                 }
             }
         }
+        //如果对realOffset检测后 为0 则直接返回
+        if(0==realOffset){
+            return realOffset;
+        }
 
         realOffset = fill(recycler, state, realOffset);//先填充，再位移。