Android high performance programming build fast and efficient Android apps that run as reliably as clockwork in a multi-device world
Build fast and efficient Android apps that run as reliably as clockwork in a multi-device world About This Book Wide coverage of various topics that help in developing optimal applications Explore the concepts of Advanced Native Coding in depth A must-have for professional-standard Android developer...
| Otros Autores: | , |
|---|---|
| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
Birmingham :
Packt Publishing
2016.
|
| Edición: | 1st edition |
| Colección: | Community experience distilled.
|
| Materias: | |
| Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009630317006719 |
Tabla de Contenidos:
- Cover
- Copyright
- Credits
- About the Authors
- About the Reviewer
- www.PacktPub.com
- Table of Contents
- Preface
- Chapter 1: Introduction: Why High Performance?
- Why does the performance of an application mean so much to so many?
- Manual testing and automatic testing
- ANR and delays in software
- What triggers ANRs and how can I avoid them?
- Android architecture
- Dalvik Virtual Machine
- Memory management
- Energy consumption
- Java language
- Native Development Kit or how to develop with native code when needed
- Three limits in application responsiveness
- Business value of software quality
- Summary
- Chapter 2: Efficient Debugging
- Android Debug Bridge
- Dalvik Debug Monitor Server
- Capturing and analyzing thread information
- Heap analysis and visualization
- Allocation tracker
- Network usage
- Emulator Control
- System status
- Debugging the UI
- Profiling with Hierarchy Viewer
- Systrace
- Android device debug options
- Android Instant Run
- GPU profiler
- Running a trace
- ClassyShark
- Getting started
- Summary
- Chapter 3: Building Layouts
- Walkthrough
- Rendering performance
- Screen tearing and VSYNC
- Hardware acceleration
- Overdraw
- Multi-window mode
- Overview
- Configuration
- Management
- Drag and drop
- Performance impact
- Best practices
- Provided layout overview
- Hierarchical layout management
- Reusing layouts
- ViewStub
- AdapterViews and view recycling
- The ViewHolder pattern
- Custom views and layouts
- Screen zoom
- Debugging tools
- The Design view
- Hierarchy Viewer
- Tree View
- View properties
- Tree overview
- Layout View
- On device tools
- Debugging GPU overdraw
- Profile GPU rendering
- Systrace
- Summary
- Chapter 4: Memory
- Walkthrough
- How memory works
- Garbage collection
- Shared memory
- Runtime.
- Android N JIT compiler
- Memory leak
- Memory churn
- References
- Memory-side projects
- Project Svelte and Android N
- Best practices
- Data types
- Autoboxing
- Sparse array family
- ArrayMap
- Syntax
- Collections
- Enumerations
- Constants
- Object management
- Strings
- String concatenation
- Local variables
- Arrays versus collections
- Streams
- Memory patterns
- The object pool pattern
- The FlyWeight pattern
- Android component leaks
- Activities
- Services
- Processes
- The memory API
- Main components and memory management
- Debugging tools
- LogCat
- Dalvik
- ART
- The ActivityManager API
- StrictMode
- Dumpsys
- Meminfo
- ProcStats
- Summary
- Chapter 5: Multithreading
- Walkthrough
- Threading basics
- Multicore CPUs
- Threads
- Multithreaded applications
- Thread safety
- Android multithreading environment
- Processes
- Android application thread
- The UI thread
- Worker threads
- The binder thread
- Android thread messaging
- Best practices
- Threads
- HandlerThread
- When to use
- AsyncTask
- Methods
- Generics parameters
- States management
- Executor
- When to use
- Loaders
- LoaderManager
- LoaderCallbacks<
- D>
- Provided loaders
- When to use
- Services
- Life cycle
- Started Service
- Bound Service
- IntentService
- Inter-process communication
- Remote Procedure Call
- AIDL
- Messenger
- Advanced techniques
- BroadcastReceiver asynchronous techniques
- ContentProvider asynchronous techniques
- Repeating tasks
- Debugging tools
- StrictMode
- Summary
- Chapter 6: Networking
- Walkthrough
- Protocols
- Methods
- Headers
- Timeout
- Content
- Compression
- Response code
- Connection types
- Best practices
- Latency gauging
- Batching connections
- Prefetching
- Queuing connections
- Caching responses
- Cache control.
- Last-Modified
- If-Modified-Since
- Exponential back-off
- Polling versus pushing
- Provided APIs
- SyncManager
- Android N changes
- Data Saver
- Background optimization
- GcmNetworkManager
- Debugging tools
- Android N Networking ADB tool
- Fiddler
- Wireshark
- Application Resource Optimizer
- Network attenuation
- Speed and delay emulation
- Fiddler
- Network Link Conditioner
- Network Attenuator
- Summary
- Chapter 7: Security
- WhatsApp - the eternal showcase of "no-gos
- Going deeper into the code
- Capturing an APK file
- Pulling a file from the device
- Capturing an APK using Wireshark
- Using external websites
- Autopsy of an APK file
- Code injection
- Opcodes
- Injecting new code
- Signing and rebuilding the application
- Protecting our application
- Insecure storage
- SharedPreferences
- InternalStorage
- ExternalStorage
- Deleting files
- Using external or internal storage
- Databases
- Performance in databases
- SQL injections
- ORM frameworks
- OrmLite
- SugarORM
- GreenDAO
- Realm
- Network
- Encrypted communication
- Sniffing
- Summary
- Chapter 8: Optimizing Battery Consumption
- Analysis
- Monitoring battery level and charging status
- How to identify changes in the charging status
- Determining and reacting to changes in the battery level
- Doze feature and App Standby
- Understanding Doze
- Avoiding useless network requests
- Dealing with BroadcastReceivers on demand
- Networking
- Summary
- Chapter 9: Native Coding in Android
- Getting started - setting up NDK in our system
- JNI
- Initial concepts
- Creating our first HelloWorld-JNI
- Creating a native activity with Android NDK
- Debugging NDK
- Android.mk
- More variables in NDK
- TARGET_PLATFORM
- TARGET_ARCH
- TARGET_ABI
- NDK macros
- Application.mk
- Including existing libraries.
- Exporting header files
- Summary
- Chapter 10: Performance Tips
- Bitmaps
- Loading
- Processing
- Caching
- Displaying
- Managing memory
- Image optimization
- Resolution
- Compression
- Serialization
- JSON improvements
- JSON alternatives
- Protocol buffers
- Flat buffers
- Local serialization
- Code improvements
- Getters and setters
- Inner classes
- Java 8 in Android N
- Setup
- Features
- Default interface methods
- Static interface methods
- Lambda expression
- Repeating annotations
- Jack toolchain
- APK optimizations
- Removing unused code
- Removing unused resources
- Summary
- Index.
