Download E-books Pro Android C++ with the NDK PDF
By Onur Cinar
Android is likely one of the significant avid gamers within the cellphone industry. Android is a cellular platform that's equipped at the most sensible of Linux working process. The native-code help on Android deals unending possibilities to program builders, no longer constrained the performance that's supplied through Android framework. Pro Android C++ with the NDK is a complicated instructional reference for brand new extra refined app builders now porting, constructing or making use of C++ and different local code to integrate into the Android platform to run refined local apps and higher acting apps ordinarily. utilizing a online game app case learn, this e-book explores instruments for troubleshooting, debugging, examining reminiscence matters, unit trying out, unit try out code assurance, functionality dimension, on local purposes, in addition to integrating the Android NDK toolchain into latest Autoconf, Makefile, CMake, or JAM dependent construct structures. Pro Android C++ with the NDK also covers the next:
- The Android platform, and getting in control with the Android NDK, and exploring the APIs which are supplied in local area.
- An assessment of Java local Interface (JNI), and auto-generating JNI code via Simplified Wrapper and Interface Generator (SWIG).
- An advent to Bionic API, local networking. local multithreading, and the C++ usual Template Library (STL) aid.
- Native pix and sound utilizing JNI images, OpenGL ES, and OpenSL ES.
- Debugging and troubleshooting local purposes utilizing Logging, GNU Debugger (GDB), Eclipse Debugger, Valgrind, strace, and different instruments.
- Profiling local code utilizing GProf to spot functionality bottlenecks, and NEON/SIMD optimization from a sophisticated point of view, with suggestions and proposals.
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Extra resources for Pro Android C++ with the NDK
Even supposing procedure V IPC isn't supported, the Android platform structure makes heavy use of IPC utilizing its personal style often called Binder. Android purposes converse with the approach, companies, and every different throughout the Binder interface. on the time of this writing, Bionic doesn't offer any respectable APIs to permit local purposes to have interaction with the Binder interface. presently, the Binder interface is barely available in the course of the Android Java APIs. bankruptcy 6: Bionic API Primer 177 precis during this bankruptcy, you began exploring Bionic, a derivation of the BSD usual C library by way of Google for the Android working method. You studied the traditional C library features which are uncovered to the local functions via Bionic, corresponding to reminiscence administration, general I/O, method keep an eye on, process configuration, plus consumer and workforce administration features. Beside the APIs pointed out, Bionic additionally presents multi-threading and networking APIs for the local purposes. you'll discover those APIs individually in person chapters. bankruptcy 7 local Threads A thread is a mechanism permitting a unmarried procedure to accomplish a number of projects simultaneously. Threads are light-weight procedures sharing an analogous reminiscence and assets of a similar guardian strategy. A unmarried approach can comprise a number of threads executing in parallel. As a part of an identical procedure, threads can converse with one another and percentage info. Android helps threads in either Java and the local code. during this bankruptcy, you can be exploring assorted options and APIs that may be used for concurrent programming touching on local code. the subsequent key issues are lined during this bankruptcy: Java vs. POSIX Threads Thread synchronization Controlling the thread lifecycle Thread priorities and scheduling concepts Interacting with Java from inside of local threads growing the Threads instance undertaking earlier than going into the main points of getting multithreading in local code, you'll create an easy instance program that would act as a testbed. the instance program will give you the following: An Android program undertaking with local code help. an easy GUI to outline the variety of threads, the variety of iterations in line with employee, a button to begin threads, and a textual content view displaying the development messages from the local staff in the course of runtime. a local employee functionality mimicking a lasting activity. whereas operating in the course of the bankruptcy, you'll extend this instance software to illustrate varied concepts and APIs referring to multithreading in local code. 179 180 bankruptcy 7: local Threads developing the Android undertaking begin by means of making a new Android software venture. 1. Open the Eclipse IDE and select dossier ➤ New ➤ different from the head menu bar to release the hot conversation, as proven in Figure 7-1. New conversation 2. From the checklist of wizards, extend the Android classification. three. decide upon Android software undertaking from the sub-list. four. click on the subsequent button to release the hot Android App wizard, as proven in Figure 7-2.