Currently viewing the category: "NDK"

What is Android NDK–a File by File View

By On November 23, 2012 · Leave a Comment

Android NDK is a collection of tools and libraries that allow us to develop Android apps in C/C++. This post dissect the latest Android NDK release r8c by providing detailed information about the files and directories.

build: the build tools and scripts

–awk: some awk programs used internally by NDK build system, mainly for [...]

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Build Android NDK Toolchain From Source Code

By On November 19, 2012 · Leave a Comment

Android NDK comes with a few toolchains under the toolchain directory. We can also build our own toolchain from the source code.

0. Download Latest Android NDK (r8c at the time of writing) from Android NDK website at http://developer.android.com/tools/sdk/ndk/index.html. Extract the downloaded archive.

$ tar xvf android-ndk-r8c-linux-x86.tar.bz2

1. Get into the ndk [...]

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How to Deploy Android NDK Library in Separate APK

By On May 1, 2012 · Leave a Comment

There’re times developers want to deploy a NDK library in a separate APK. A typical use case is your library is big and it has different versions for different CPUs/phones. A naive strategy is to put all those libraries in a single huge apk and get lots of user complains. A better approach is [...]

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How to Compile SQLite for Android using NDK

By On December 2, 2011 · 2 Comments

According to SQLite home page, SQLite is a open source software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.

Self-contained means SQLite depends little on external libraries; serverless means SQLite doesn’t follow the client-server model that most other SQL database engines follow. SQLite reads and writes directly from the database files [...]

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How to Build and Use libnetfilter_queue for Android

By On December 1, 2011 · 2 Comments

If you’re looking for general information about how to use libnetfilter_queue for Linux, please refer here.

0. Preparation
First, you’ll need to check if your Android system kernel is compiled with support for libentfilter_queue. Follow the following steps,

Connect your android device to your computer. Enter command “adb pull /proc/config.gz” to get the config.gz [...]

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Effective Color Conversion (YUV->RGB) for Android in Assembly

By On November 11, 2011 · 9 Comments

Please jump to “0. Android NDK” if you want pure technical stuff; please jump to end of the post to download the sample code if you want to figure out everything yourself.

Recently I am doing a project that decodes a video using ffmpeg and render it on Android using Bitmap. At [...]

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