When this button is pressed a snackbar appears with the text Lets make this come from JNI. Currently our demo Android app has a floating action button with one funtionality as can be seen in the MainActivity below. Lets assume that we want to transfer a part of the application to be done though JNI in C code. The structure of your project should be similar to the following tree structure from the demo app we will work with. Your application will have much more things but the exact same principles apply. so files in your app while in the branch here you will find the code for adding the source to your Android project. Alternative zip download for 64-bit for expert users who want to choose their own library location Go to the external FFmpeg download page. In the master branch you will find the code for embedding directly the. The installer will install the required files to C:\Program Files\FFmpeg for Audacity If Audacity was running when you installed FFmpeg, either restart Audacity or follow the steps to manually locate FFmpeg. In order to make things simpler in case you would like to follow the steps on your own you can find the source code available here. The application we are going to use is based on an Empty Activity project template from Android Studio. We assume you are familiar with the Android concepts a bit and that you know more or less what is JNI. At first we are going to show the process on embedding your C source code into the application and secondly we will describe how you would embed directly the compiled libraries (.so files) into the app. In this article we are going to take a super simple Android application with Gradle and follow the steps required to make this app work with our C code. Have you ever questioned yourself on how to add support for C/C code to your existing Android application?
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