Pro android apps performance optimization
Today's Android apps developers are often running into the need to refine, improve and optimize their apps performances. As more complex apps can be created, it is even more important for developers to deal with this critical issue. Android allows developers to write apps using Java, C or a co...
| Autor principal: | |
|---|---|
| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
[Berkeley, Calif.] :
Apress
2012.
|
| Edición: | 1st ed. 2012. |
| Materias: | |
| Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009628778906719 |
Tabla de Contenidos:
- Title Page; Copyright Page; Contents at a Glance; Table of Contents; About the Author; About the Technical Reviewers; AcknowledgmentsI; Introduction; Chapter 1 Optimizing Java Code; How Android Executes Your Code; Optimizing Fibonacci; From Recursive To Iterative; BigInteger; Caching Results; android.util.LruCache; API Levels; Fragmentation; Data Structures; Responsiveness; Lazy initializations; StrictMode; SQLite; SQLite Statements; Transactions; Queries; Summary; Chapter 2 Getting Started With the NDK; What Is In the NDK?; Mixing Java and C/C++ Code; Declaring the Native Method
- Implementing the JNI Glue LayerJava usesCreating the Makefiles; Implementing the Native Function; Compiling the Native Library; Loading the Native Library; Application.mk; Optimizing For (Almost) All Devices; Supporting All Devices; Android.mk; Performance Improvements With C/C++; More About JNI; Strings; Accessing Fields or Methods; Native Activity; Building the Missing Library; Alternative; Summary; Chapter 3 Advanced NDK; Assembly; Greatest Common Divisor; Color Conversion; Parallel Computation of Average; ARM Instructions; ARM NEON; CPU Features; C Extensions; Built-in Functions
- Vector InstructionsTips; Inlining Functions; Unrolling Loops; Preloading Memory; LDM/STM Instead Of LDR/STD; Summary; Chapter 4 Using Memory Efficiently; A Word On Memory; Data Types; Comparing Values; Other Algorithms; Sorting Arrays; Defining Your Own Classes; Accessing Memory; The Cache's Line Size; Laying Out Your Data; Garbage Collection; Memory Leaks; References; Strong References; Soft, Weak, and Phantom References; Garbage Collection; APIs; Low Memory; Summary; Chapter 5 Multithreading and Synchronization; Threads; AsyncTask; Handlers and Loopers; Handlers; Loopers; Data Types
- Synchronized, Volatile, Memory ModelConcurrency; Multicore; Modifying Algorithm For Multicore; Using Concurrent Cache; Activity Lifecycle; Passing Information; Remembering State; Summary; Chapter 6 Benchmarking And Profiling; Measuring Time; System.nanoTime(); Debug.threadCpuTimeNanos(); Tracing; Debug.startMethodTracing(); Using the Traceview Tool; Traceview in DDMS; Native Tracing; Generating Trace File For Traceview; Logging; Summary; Chapter 7 Maximizing Battery Life; Batteries; Measuring Battery Usage; Disabling Broadcast Receivers; Disabling and Enabling the Broadcast Receiver
- NetworkingBackground Data; Data Transfer; Location; Unregistering a Listener; Frequency of Updates; Multiple Providers; Filtering Providers; Last Known Location; Sensors; Graphics; Alarms; Scheduling Alarms; WakeLocks; Preventing Issues; Summary; Chapter 8 Graphics; Optimizing Layouts; RelativeLayout; Merging Layouts; Reusing Layouts; View Stubs; Layout Tools; Hierarchy Viewer; layoutopt; OpenGL ES; Extensions; Texture Compression; Other Texture Compression Formats; Manifest; Mipmaps; Multiple APKs; Shaders; Scene Complexity; Culling; Render Mode; Power Consumption; Summary
- Chater 9 RenderScript
