first:blush:

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures

README.md

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+## What's SlackLoadingView ?
+Imitate Slack loading animation.
+
+## Demo
+<img src="http://i2.piimg.com/1070/0a3bbeb7b73c6f87.gif" width = "432" height = "507.6" align=center />
+
+## Arlticle
+[手摸手教你写炫酷控件](http://www.wangyuwei.me/2016/08/14/%E6%89%8B%E6%91%B8%E6%89%8B%E6%95%99%E4%BD%A0%E5%86%99Slack%E7%9A%84Loading%E5%8A%A8%E7%94%BB/)
+
+##Build
+#####Step 1 
+```build
+repositories {
+    maven {
+        url 'https://dl.bintray.com/wangyuwei/maven'
+    }
+}
+```
+#####Step 2
+```java
+compile 'me.wangyuwei:SlackLoadingView:1.0.0'
+```
+
+##**Lincense**
+
+```lincense
+Copyright [2016] [JeasonWong of copyright owner]
+
+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.
+```
+
+

SlackLoadingView/.gitignore

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+/build

SlackLoadingView/build.gradle

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+apply plugin: 'com.android.library'
+apply plugin: 'com.jfrog.bintray'
+apply plugin: 'com.github.dcendents.android-maven'
+
+group = 'me.wangyuwei' // Change this to match your package name
+version = '1.0.0' // Change this to match your version number
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion "24.0.1"
+
+    defaultConfig {
+        minSdkVersion 15
+        targetSdkVersion 23
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    testCompile 'junit:junit:4.12'
+    compile 'com.android.support:appcompat-v7:23.4.0'
+}
+
+task generateSourcesJar(type: Jar) {
+    from android.sourceSets.main.java.srcDirs
+    classifier 'sources'
+}
+
+task generateJavadocs(type: Javadoc) {
+    source = android.sourceSets.main.java.srcDirs
+    classpath += project.files(android.getBootClasspath()
+            .join(File.pathSeparator))
+}
+
+task generateJavadocsJar(type: Jar) {
+    from generateJavadocs.destinationDir
+    classifier 'javadoc'
+}
+
+artifacts {
+//    archives generateJavaDocsJar
+    archives generateSourcesJar
+}
+
+Properties properties = new Properties()
+properties.load(project.rootProject.file('local.properties').newDataInputStream())
+bintray {
+    user = properties.getProperty("bintray.user")
+    key = properties.getProperty("bintray.key")
+    pkg {
+        repo = 'maven'
+        name = 'SlackLoadingView'
+        desc = "imitate slack loading animation"
+
+        version {
+            name = '1.0.0'
+            desc = 'imitate slack loading animation.'
+            vcsTag = 'android, loading, view'
+        }
+
+        licenses = ['Apache-2.0']
+        vcsUrl = 'https://github.com/JeasonWong/SlackLoadingView.git'
+        websiteUrl = 'https://github.com/JeasonWong/SlackLoadingView'
+
+        labels = ['android']
+        publish = true
+        publicDownloadNumbers = true
+    }
+    configurations = ['archives']
+}

SlackLoadingView/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/wscn/Documents/android-sdk-macosx/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

SlackLoadingView/src/androidTest/java/me/wangyuwei/slackloadingview/ApplicationTest.java

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+package me.wangyuwei.slackloadingview;
+
+import android.app.Application;
+import android.test.ApplicationTestCase;
+
+/**
+ * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
+ */
+public class ApplicationTest extends ApplicationTestCase<Application> {
+    public ApplicationTest() {
+        super(Application.class);
+    }
+}

SlackLoadingView/src/main/AndroidManifest.xml

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+<manifest package="me.wangyuwei.slackloadingview">
+
+    <application />
+
+</manifest>

SlackLoadingView/src/main/java/me/wangyuwei/slackloadingview/AnimatorListener.java

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+package me.wangyuwei.slackloadingview;
+
+import android.animation.Animator;
+
+/**
+ * 作者： 巴掌 on 16/8/13 01:35
+ * Github: https://github.com/JeasonWong
+ */
+public abstract class AnimatorListener implements Animator.AnimatorListener {
+
+    @Override
+    public void onAnimationStart(Animator animation) {
+
+    }
+
+    @Override
+    public void onAnimationCancel(Animator animation) {
+
+    }
+
+    @Override
+    public void onAnimationRepeat(Animator animation) {
+
+    }
+}