Swift API Design Guidelines
https://swift.org/documentation/api-design-guidelines/
在同个工程中使用 Swift 和 Objective-C
https://github.com/CocoaChina-editors/Welcome-to-Swift/blob/master/Using%20Swift%20with%20Cocoa%20and%20Objective-C/03Mix%20and%20Match/Swift%20and%20Objective-C%20in%20the%20Same%20Project.md
iOS Human Interface Guidelines
https://developer.apple.com/ios/human-interface-guidelines/
awesome-ios
https://github.com/jobbole/awesome-ios-cn
https://github.com/vsouza/awesome-ios
https://github.com/matteocrippa/awesome-swift
iOS7初学者入门
https://github.com/eseedo/kidscoding
SwiftGuide
https://github.com/ipader/SwiftGuide
Github-iOS库
http://github.ibireme.com/github/list/ios/
Swift、OC 混编用到的 Bridging-Header.h
http://www.jianshu.com/p/27b9ff63ab6f
iOS 后台播放音乐
http://www.cnblogs.com/easy-coding/p/3569227.html
http://www.jianshu.com/p/c1484689a745
iOS多任务（后台模式）
https://onevcat.com/2013/08/ios7-background-multitask/
Notification本地通知、推送通知
http://www.cnblogs.com/kenshincui/p/4168532.html#notificationCenter
rainymood
http://www.rainymood.com/
Apofiss作品主页
http://apofiss.deviantart.com/
全球手机系统市占率
http://www.kantarworldpanel.com/global/smartphone-os-market-share/
Gradle Plugin User Guide
Gradle基本设置、依赖、自动化测试、多版本配置、ProGuard等
使用Gradle自动化构建多类型apk包
Configure Build Variants
Merge Multiple Manifest Files
Android 在 Multidex 下使用 Instant Run
android-open-project
https://github.com/Trinea/android-open-project
Android Studio大课堂 - 4.3.Coding - 使用第三方库
http://ask.android-studio.org/?/article/37
Android开发：shape和selector和layer-list的（详细说明）
http://blog.csdn.net/brokge/article/details/9713041
使用Picasso加载图片的内存优化实践
http://blog.csdn.net/ashqal/article/details/48005833
LeakCanary 中文使用说明
http://www.liaohuqiu.net/cn/posts/leak-canary-read-me/
android学习——Activity生命周期小谈
http://cxshun.iteye.com/blog/1132613
Android所有系统资源图标android.R.drawable查看
http://blog.csdn.net/jishu360/article/details/8540026
Material Design 中文版
http://wiki.jikexueyuan.com/project/material-design/
Android消息通知（notification）和PendingIntent传值
http://www.cnblogs.com/zenfly/archive/2012/02/09/2343923.html
Android 通知栏Notification的整合 全面学习 （一个DEMO让你完全了解它）
http://blog.csdn.net/vipzjyno1/article/details/25248021
Android之旅---广播（BroadCast）
http://www.cnblogs.com/qianlifeng/archive/2011/03/06/1972305.html
Android Activity 全屏方法总结
http://talentprince.github.io/blog/2015/01/07/android-activity-quan-ping-fang-fa-zong-jie/
Android调试系列之开发者选项常用功能
http://blog.csdn.net/goodlixueyong/article/details/50935977
百度开放API集市
http://apistore.baidu.com/
绘图动画
高斯模糊效果实现方案及性能对比
http://blog.csdn.net/huli870715/article/details/39378349
Android高级模糊技术
http://www.cnblogs.com/tiantianbyconan/p/3630167.html
使用android自带的动画机制很卡时可以考虑使用SurfaceView来实现动画
http://dengyin2000.iteye.com/blog/2067753
自定义view实现水波纹效果
http://blog.csdn.net/tianjian4592/article/details/44222565
在android中画圆形图片的几种办法
http://blog.isming.me/2014/09/19/draw-circle-image-in-android/
android Bitmap的一些操作
http://blog.csdn.net/sanjinxiong/article/details/9861547
Android Animation
http://www.cnblogs.com/qiengo/archive/2012/05/03/2480386.html
Android Asset Studio 在线生成应用标准图标
https://romannurik.github.io/AndroidAssetStudio/
Font Awesome 可缩放矢量图标库
http://fontawesome.io/
https://github.com/FortAwesome/Font-Awesome/
Joda-Time Android
https://github.com/dlew/joda-time-android
http://www.joda.org/joda-time/userguide.html
http://www.ibm.com/developerworks/cn/java/j-jodatime.html