awesome-android-performance

This is a list of awesome Android tutorials, videos and tools for performance optimization

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##View ####Google Official Videos

• Double Layout Taxation Android Performance Patterns Season 3 ep8 - fix layout problems ####Others
• Infamous ViewHolder Pattern - ViewHolder pattern in ListView
• View Reduction - use Compound Drawables to increase performance
• Improving Comment Rendering on Android - Instagram's post on TextView Performance
• Custom ViewGroups - a Facebook Engineer's artcile on Custom ViewGroup to increase performance

##WebView

• Why Use Crosswalk? - use crosswalk for better performance, especiallly for android version below4.4
• Enhance webView performance - disable the WebView cache to make WebView much faster.

####Tools

• crosswalk-cordova-android — An app runtime based on Chromium/Blink.

##Graphics

• Android 3.0 Hardware Acceleration
• Debug Overdraw - debug overdraw
• Android Performance Case Study - Debug Performance use gfxinfo systrace and show GPU Overdraw HierarchyViewer OpenGL traces
• Android Performance Case Study Follow-up - Use OpenGL traces and UUI problems caused by transparency
• Hardware Acceleration
• Optimizing Hardware Layers
• Graphics Performance - Podcasts on Android Performance
• Hardware Acceleration Animation - Using hardware layers to improve Android animation performance,

####Tools

• Analyzing UI Performance with Systrace
• Optimizing Your UI - HierarchyViewer Usage
• Introduction to Systrace

##Bitmaps

• Loading Large Bitmaps Efficiently
• Bitmap quality, banding and dithering
• Android: bitmaps, textures and pre-multiplied pixels
• Testing Display Performance

##Memory ####Google official videos

• Memory Performance 101
• Android Performance Patterns: Tool - Memory Monitor - introducing Memory monitor and Memory heap tool
• Android Performance Patterns: Performance Cost of Memory Leaks - on memory leaks
• Garbage Collection in Android
• Memory Churn and Performance
• Avoiding Allocations in onDraw
• Android内存优化之OOM

####others

• Investigating Your RAM Usage
• The truth about Preventative Optimizations - You can find some useful things from the links.
• A small leak will sink a great ship
• LeakCanary A memory leak detection library for Android and Java.
• Android内存泄露案例分析
• Tips for Optimizing Android Application Memory Usage - Tips
• Android memory and performance optimization - Tutorial
• Building Memory-efficient Java Applications
• How to Leak a Context: Handlers & Inner Classes
• Improving Facebook's performance on Android with FlatBuffers

####Tools for improving memory performnace

• YourKit - Performance and Memory Java Profile
• MAT - Memory Analysis tool for Java
• Allocation Tracker

##Concurrency

• The Zen of IntentService. (Android Performance Patterns Season 5 ep7) - Talked about IntentServices, AsyncTasks, HandlerThread in the background thread.

##Battery

• Optimizing Battery Life - Android's official tutorial for Battery Optimization

##Others

• SMP Primer for Android
• JNI ###Network ######Google Official
• Optimizing Network Request Frequencies (Android Performance Patterns Season 4 ep2) Android Developers - push instead pull data, sync policies and so on.
• Serialization performance (Android Performance Patterns Season 4 ep14) - use Protobuffers and FlatBuffer to improve seiralization performance
• Effective Network Batching (Android Performance Patterns Season 3 ep10) ######Others
• Better Compression = Faster Networking - Colt McAnlis' talk from SF Android
• Improving UX through performance - using okhttp, Fresco,or ToFu to improve network performance ###Network Profiling Tools
• ARO - Use this free diagnostic tool to improve your app's battery life, data usage, and responsiveness
• Network Monitor in Android Studio

#Article Videos Tools and others that cover multiple topics ##Performance Test

• Testing Performance of Mobile Apps - Part 1: How Fast Can Angry Birds Run?

##Articles

• Performance Tuning On Android - Venmo's experience on UI performance optimization
• Best Practices for Performance - Android Official Training on Performance
• Developing for Android - Chet Haase's series,including Memory,Storage, UI Performance
• Detect and Resolve Performance Problems on Android - Use multiple ways to detect and fix Android Performance Problems
• Performance Tips - Android's Official Perf tips
• Facebook Engineering blogs tagged android - Including many articles on performance

#Tools

• Developing for Android IXTools
• Performance Profiling Tools - Performance Tools
• StrictMode - Debug Util Class for etection for Storage, Memory and others.
• Probe - Android performance instrumentation tool, comparing application vital signs (CPU usage, memory utilization, number of threads, disk usage, etc.) across app versions, detecting performace regressions.

##Videos

• Android Performance Patterns - Google's official Video about Android Performance
• Android Performance - Udacity's Video Series
• UI Performance - Optimizing and Profiling UI Performance

##Codes

• udacity render example
• leakcanary - leakcanary source codes

##People you should follow(their work contribute to almost all of this list)

• Colt McAnlis - Instructor of the Video at Udacity and Youtube
• Chet Haase - Author of the Developing for Android series
• Romain Guy - former developer of android ui framework team
• 胡凯 - 翻译了包括Google官方视频的许多andorid性能优化的资料