check installed cocoapod plugin gem list --local | grep cocoapods create pod pod spec create POD_NAME https://eladnava.com/publish-a-universal-binary-ios-framework-in-swift-using-cocoapods/ Register an account by running the following, entering your full name and e-mail address: pod trunk register you@email.com 'Full Name' create pod demo pod lib create SwiftKit pod spec lint --verbose ...... pod trunk push SwiftKit.podspec https://s3.amazonaws.com/elasticbeanstalk-us-east-1-564874457370/SwiftKit.zip check… Continue reading Cocoapod tips
Hide implementation of swift framework when distributing
In this article, I will demonstrate how to create a Swift NiceLogger framework and push to Cocoapods without sharing source code. You can download the final project from NiceLogger 1. Create a Swift framework 1.1 Create a new framework project  Product Name NiceLogger, Set language to Swift  1.2 Create a new file NiceLogger.swift… Continue reading Hide implementation of swift framework when distributing
CoreLocation in iOS
CoreLocation in iOS11  
iOS Grand Central Dispatch
GCD provides three main types of queues:  1.1 Main queue Main queue runs on the main thread and is a serial queue. This is a common choice to update the UI after completing work in a task on a concurrent queue. To do this, you’ll code one closure inside another. Targeting the main queue… Continue reading iOS Grand Central Dispatch
RxSwift Scheduler
Where we call subscribeOn() in a chain doesn't really matter when to call it. Where we call observeOn() does matter. subscribeOn() tells the whole chain which thread to start processing on. We should only call it once per chain. If we call it again lower down the stream it will have no effect. observeOn() causes… Continue reading RxSwift Scheduler
How to generate **.cer** and **.p12** file for iOS push notification
Every time I created a new app with push notifications, iOS, I'm sure I've got everything right and then something refused to work. So this time I'm writing it down so I can't possibly get it wrong again.  Generally, we need 2 files for push notification: * .cer file * .p12 file Generate cer… Continue reading How to generate **.cer** and **.p12** file for iOS push notification
VI常用命令
vi / vim 删除以及其它命令 Commands Comments dd 删除一行 d$ 删除以当前字符开始的一行字符 D 与d$同义 d 回车删除2行 ndd 删除以当前行开始的n行 dw 删除以当前字符开始的一个字 ndw 删除以当前字符开始的n个字 d) 删除到下一句的开始 d} 删除到下一段的开始 ndw 或 ndW 删除光标处开始及其后的 n-1 个字符。 d0 删至行首。 d$ 删至行尾。 ndd 删除当前行及其后 n-1 行。 x 或X 删除一个字符。 Ctrl+u 删除输入方式下所输入的文本。 R 恢复u的操作 J 把下一行合并到当前行尾 V 选择一行 ^V 按下^V后即可进行矩形的选择了 vaw 选择单词 viw 内部单词(无空格)… Continue reading VI常用命令
Vim notes
Column selection: Ctrl + V Replace Replace all A with B %s/A/B Find in current line find < f< Remove content between 2 characters For example, remove the content between [ and ]: [routeName] {ExampleRoutes[routeName].name}</Text Vim commands(go to the beginning of the line, find [, delete around ]): 0f[da[ Record/Play Macro command Begin to record… Continue reading Vim notes
React Study
Learn Redux with Wesbos https://courses.wesbos.com/account/access/59994e0dac34560554c277a8 const router = ( ) render(router, document.getElementById('root'));
How to use Android Battery Historian
1. Install Docker: https://docs.docker.com/docker-for-mac/install/#install-and-run-docker-for-mac 2. Run Docker docker run -p 5001:9999 gcr.io/android-battery-historian/stable:3.0 --port 9999 3. Fetch battery report To obtain a bug report from your development device running Android 7.0 and higher: $ adb bugreport bugreport.zip For devices 6.0 and lower: $ adb bugreport > bugreport.txt Then the bugreport will be exported & downloaded to… Continue reading How to use Android Battery Historian
Beyond the Silence 