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Questions - java-native-interface

Why JNI GetByteArrayElements does not reserve pixel stride

I need to pass a YUV_420_8888 image from Android to C++ for processing. So, I take the image planes, convert them to ByteArray, then send them to C++ function. val yBuffer: ByteBuffer = image.planes[0...
test-img

no_name

android

c++

kotlin

java-native-interface

Votes: 0

Answers: 1

Latest Answer

According to ByteBuffer documentation: https://developer.android.com/reference/kotlin/java/nio/ByteBuffer#get_2, get copies the bytes into destination array. In this case, yByteArray, uByteArray and v...
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no_name

Gradle tasks loading a JNI library cannot work in daemon mode

I have developed a custom Gradle task that needs to load a JNI library (System.load), from a custom class loader. That's not a problem if Gradle is run with --no-daemon command line option, but if the...
test-img

Hervé Guillemet

java

gradle

java-native-interface

Votes: 0

Answers: 0

JNI GetStaticFieldID() causes segmentation fault

I have a program Agent that launches a thread call BeaconSender that sends a Beacon to another program called Manager using RMI through Manager's BeaconListener interface. When the manager receives th...
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Wendell Best

java

java-native-interface

Votes: 0

Answers: 0

How to use ndk-stack in Android Studio?

I need to debug my native C code. (I'm a newbie in C and ndk). I get this error, but i don't know exactly from where the bug come from: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x38 I fi...
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Jan Rozenbajgier

c

android-studio

android-ndk

java-native-interface

ndk-stack

Votes: 0

Answers: 0

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