wangqingxun的专栏

先定一个学习计划吧，准备把Android的开发指南重新看一遍，借博客做个记录吧。User Interface -Styles and Themes用户接口-样式和主题定义：style：A style is a collection of properties that specify the look and format for a View or windo

Android 开发指南 翻译8 Application Resources: Localization应用资源：本地化Android will run on many devices in many regions. To reach the most users, your application should handle text, audio files,

Android 开发指南翻译2 User Interface:XML Layouts定义：Your layout is the architecture for the user interface in an Activity. It defines the layout structure and holds all the elements that appear to th

Application Resources -- Drawable Resources绘图资源A drawable resource is a general concept for a graphic that can be drawn to the screen and which you can retrieve with APIs such as getDrawab

Action bar 行动条The action bar is a window feature that identifies the application and user location, and provides user actions and navigation modes. You should use the action bar in most activities

public classHandlerextends Objectjava.lang.Object   ↳android.os.HandlerKnown Direct SubclassesAsyncQueryHandler, AsyncQueryHandler.WorkerHandler

Last update: September 2018This document provides an architectural overview of the SQL layer in CockroachDB. The SQL layer is responsible for providing the "SQL API" that enables access to a Cockroa...

Life of a SQL QueryOriginal author: Andrei MateiIntroduction 简介This document aims to explain the execution of an SQL query against CockroachDB, explaining the code paths through the various laye...