Android最佳实践-阿里云

Android中的动态权限请求与最佳实践

自Android系统推出以来，权限管理一直是操作系统安全性的重要组成部分。早期的Android版本要求开发者在安装时声明所有可能需要的权限，而用户在安装应用时必须一次性授予所有权限，这种做法常常引发用户对隐私的担忧。为了改善用户体验并增强安全性，Android 6.0引入了动态权限请求的概念，要求开...

现代化 Android 开发：Jetpack Compose 最佳实践

本文为现代化 Android 开发系列文章第六篇。完整目录为：现代化 Android 开发：基础架构现代化 Android 开发：数据类现代化 Android 开发：逻辑层现代化 Android 开发：组件化与模块化的抉择现代化 Android 开发：多 Activity 多 Page 的 UI...

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钉钉 Android 端功耗优化最佳实践（上）

背景钉钉作为亿级企业数字化平台，高效即时沟通是核心能力之一，消息即时触达以及后台功耗一直是 Android 端核心体验，随着业务快速的发展，越来越多的消息信令通过钉钉自有的长连接通道推送到客户端，同时手机续航也是用户和手机厂商关心的核心体验之一。面临的问题在钉钉快速发展的过程中，我们收到部分用户反馈...

钉钉 Android 端功耗优化最佳实践（中）

更多精彩内容，欢迎观看：钉钉 Android 端功耗优化最佳实践（上）：https://developer.aliyun.com/article/1262699?spm=a2c6h.13148508.setting.14.1fb44f0e1zEMZJ感知能力 - 功耗部件监控感知能力的建设对于了解线...

钉钉 Android 端功耗优化最佳实践（下）

更多精彩内容，欢迎观看：钉钉 Android 端功耗优化最佳实践（中）：https://developer.aliyun.com/article/1262697?groupCode=alibabaf2e防劣化能力如前文所说，不同于 Crash、ANR 等问题，耗电量在线上是没有一个可以量化的...

Android C++系列：vector最佳实践

1. 背景介绍Java中常见的集合有List、Set、Map等，并且这些都是支持泛型的。类似的C++中也提供了vector容器，并且vector是模板类（类似Java的泛型）。使用vector要用到的头文件：#include <vector> using std::vector;C++....

Android C++系列：string最佳实践

1. 背景介绍在Java中操作字符串比较简单，这里简单介绍下Java字符串操作相关接口。字符串拼接直接用+号既可，字符串比较实用equel方法，同时还提供了StringBuilder和StringBuffer可变的字符串。它们继承了同一个抽象的字符串父类：AbstractStringBuilder。...

Android C++系列：C++最佳实践6 constexpr与decltype

1. 背景上一篇介绍了const关键字，主要修饰变量，起到不可改变的常量作用。有一种值不会改变并且在编译过程就能得到计算结果的表达式我们称为常量表达式。字面值属于常量表达式，用常量表达式初始化的const对象也是常量表达式：const int MAX = 100;//常量表达式 const int ...

Android C++系列：C++最佳实践5 const

1. 背景在Java中我们定义常量通常用final static TYPE variableName = xxx来实现，在C语言中我们通常用预编译宏来实现：#define MAX 100，在C++中虽然我们仍可以使用预编译宏，但是已经不推荐这么干了。在Effective c++ 的条款1中࿱...

Android C++系列：C++最佳实践4多重继承与虚继承

1. 背景Java和C++在语法层面比较的时候就不得不提到C++的多继承，我们知道Android是单继承，C++是多继承。在大型项目中不可避免的会用到多继承，本文分析C++多继承的一些特征。2. 如何实现多继承？C++中，我们可以在派生列表中包含多...

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