Android | Docs | google-android-performance

• performance

- In this guide
- Inspecting performance
    - About inspecting performance
    - Android Studio Profilers
    - Profiling and tracing
        - System tracing
            - Overview
            - Capture trace
                - Capture a trace in Android Studio
                - Capture a trace on a device
                - Capture a trace from the command line
            - Navigate a Systrace report
            - Custom events
                - Define custom events
                - Custom trace events in native code
        - Inspect GPU rendering speed and overdraw
- Improving performance
    - How to improve performace
    - Baseline Profiles
        - About Baseline Profiles
        - Create Baseline Prfiles
        - Automate measurement with the Macrobenchmark library
        - Manually create and measure Baseline Profiles
    - App startup
        - Tools and libraries to understand app performance
        - App startup analysis and optimization
        - App startup library
    - Guides
        - Set up environment for testing
        - Working in the background
        - Performance class
        - App Standby Buckets
        - App hibernation
        - Verifying app behavior on the Android runtime (ART)
    - Solving common problems
        - App startup time
        - Rendering
            - Performance of rendering
            - Reduce overdraw
            - Performance and view hierarchies
            - Analying with profile GPU rendering
            - Slow rendering
                - Keeping your app responsive
                - Improve layout performance
        - Memory 
            - About memeory management
            - Memory allocation among properties
            - Manage your app's memeory
            - Processes and threads
        - Battery and power
        - Reduce app size
        - Harware acceleration
    - Performance best practices
        - Use Baseline Profiles
        - Use the App Startup library to avoid separate content provider initialization
        - Lazily load libraries initialization, or disable auto init of libraries on app startup
        - Use ViewStubs to lazily inflate layout resources at runtime
        - Optimize your splash screen loading on app startup
        - Use scalable image types
        - Use Performance APIs to understand device capabilities
        - Prioritize cold startup traces
- Monitoring performance
    - About monitoring performance
    - Android vitals
        - About Android Vitals
        - ANRs
        - Crashes
        - Slow Rendering
        - Frozen Frames
        - App startup time
        - Tracking jank

- 检查应用性能
    - 关于检查性能
    - Android Studio 分析器
    - 性能分析和跟踪
        - 系统跟踪
            - 概述
            - 捕获跟踪
                - 在 Android Studio 中捕获跟踪
                - 在设备上捕获跟踪
                - 从命令行捕获跟踪
            - 导航 Systrace 报告
            - 自定义事件
                - 定义自定义事件
                - 在本地代码中使用自定义跟踪事件
        - 检查 GPU 渲染速度和过度绘制
- 改善性能
    - 如何改善性能
    - 基准剖面
        - 关于基准剖面
        - 创建基准剖面
        - 使用 Macrobenchmark 库自动测量
        - 手动创建和测量基准剖面
    - 应用启动
        - 了解应用性能的工具和库
        - 应用启动分析和优化
        - 应用启动库
    - 指南
        - 设置测试环境
        - 在后台工作
        - 性能类
        - 应用待机存储桶
        - 应用休眠
        - 在 Android 运行时 (ART) 上验证应用行为
    - 解决常见问题
        - 应用启动时间
        - 渲染
            - 渲染性能
            - 减少过度绘制
            - 性能和视图层次结构
            - 使用 Profile GPU 渲染进行分析
            - 缓慢的渲染
                - 保持应用响应
                - 提高布局性能
        - 内存
            - 关于内存管理
            - 属性间的内存分配
            - 管理应用的内存
            - 进程和线程
        - 电池和电源
        - 减小应用大小
        - 硬件加速
    - 性能最佳实践
        - 使用基准剖面
        - 使用应用启动库避免单独内容提供程序初始化
        - 惰性加载库初始化，或在应用启动时禁用库的自动初始化
        - 使用 ViewStubs 在运行时惰性填充布局资源
        - 在应用启动时优化闪屏加载
        - 使用可伸缩的图像类型
        - 使用性能 API 了解设备能力
        - 优先考虑冷启动跟踪
- 监控性能
    - 关于监控性能
    - Android Vitals
        - 关于Android Vitals
        - ANR（应用无响应）
        - 崩溃
        - 渲染缓慢
        - 冻结帧
        - 应用启动时间
        - 跟踪卡顿