update readme

README.md

@@ -1 +1,73 @@
 # PaperView
+
+##### PaperView 是一个自定义的View，它就像一张纸折叠和展开
+
+### Demo
+
+<img src="./screenshot/PaperView.gif" width="240"/>
+
+### Compile
+
+````java
+compile 'com.goyourfly:paperview:1.0'
+````
+
+### Usage
+
+##### 1.在布局中声明
+````xml
+<com.goyourfly.library.paper_view.PaperView
+    android:id="@+id/paperView"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:padding="16dp"
+    app:paper_bg_color="#fff"
+    app:paper_duration="1000">
+
+    <!--展开的布局-->
+    <include layout="@layout/item_large" />
+    <!--收起的布局-->
+    <include layout="@layout/item_small" />
+
+</com.goyourfly.library.paper_view.PaperView>
+````
+| 参数 | 类型 | 说明 | 默认值 |
+|:-:|:-:|:-:|:-:|
+| paper\_duration | integer | 动画总时长 | 2000 |
+| paper\_bg\_color | color | 纸片背景色 | #FFF |
+
+##### 2.在代码中触发
+
+###### 2.1 展开和折叠
+````java
+// 折叠卡片
+paperView.fold(changed:Boolean)
+
+// 展开卡片
+paperView.unfold(changed:Boolean)
+````
+
+###### 2.2 监听状态变化
+
+````java
+paperView.setStateChangedListener(object:PaperView.OnFoldStateChangeListener{
+	// 折叠
+    override fun onFold() {}
+	// 展开
+    override fun onUnfold() {}
+})
+````
+
+### License
+````java
+Copyright 2017-present, GaoYufei
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+````

app/src/main/res/layout/activity_main.xml

@@ -45,8 +45,10 @@
         app:paper_bg_color="#fff"
         app:paper_duration="1000">
 
+        <!--展开的布局-->
         <include layout="@layout/item_large" />
 
+        <!--收起的布局-->
         <include layout="@layout/item_small" />
 
     </com.goyourfly.library.paper_view.PaperView>

library/build.gradle

@@ -1,6 +1,12 @@
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
+ext {
+    PUBLISH_GROUP_ID = 'com.goyourfly'
+    PUBLISH_ARTIFACT_ID = 'paperview'
+    PUBLISH_VERSION = '1.0'
+}
+
 android {
     compileSdkVersion 26
     buildToolsVersion "26.0.2"
@@ -38,3 +44,5 @@ dependencies {
 repositories {
     mavenCentral()
 }
+
+apply from: 'https://raw.githubusercontent.com/blundell/release-android-library/master/android-release-aar.gradle'