java-native-interface

Eclipse Folder is transparent/grayed out. What does it mean?

时光总嘲笑我的痴心妄想 提交于 2021-01-21 08:01:32
问题 My jni folder in Eclipse looks like this: It is grayed out and has a diagonal line across it. What does it mean? I can still edit my native C++ code in this folder and see the changes as I test the application. 回答1: It means the directory is being filtered from the source locations. It seems you can use this to exclude files that are not source from a source folder, although I've never used it. I got rid of this irritation in Eclipse Indigo CDT by: (Project) Properties ->C/C++ General ->Paths

how to use poll(2) or select(2) service call to watch a pseudo file for changes with Kotlin

这一生的挚爱 提交于 2021-01-07 02:42:10
问题 I am working with a DragonBoard 410C using Android 5.1 and Kotlin to experiment with the GPIO pins on the 40 pin low power connector. The library I'm using is using the sysfs interface for interacting with the GPIO pins which requires opening various pseudo files in /sys/class/gpio/ directory tree and reading and writing values to those files, see accessing GPIO low power connector on DragonBoard 410C running Android My understanding is that I can provision a GPIO pin as Input and Edge

What does “Native library location” entry do in Eclipse?

倖福魔咒の 提交于 2020-12-02 12:04:59
问题 If adding user-defined library in Eclipse, one has an ability to set "Native library location". This field allows to enter some directory path. When does this path plays a part? 回答1: Eclipse uses this information to build the java.library.path when it launches a Java program. Background: Some Java frameworks depend on native code. This code usually comes in the form of a native shared library (*.so, *.dll). In Java, you can see methods with the attribute native . The code will load the shared

What does “Native library location” entry do in Eclipse?

限于喜欢 提交于 2020-12-02 12:02:45
问题 If adding user-defined library in Eclipse, one has an ability to set "Native library location". This field allows to enter some directory path. When does this path plays a part? 回答1: Eclipse uses this information to build the java.library.path when it launches a Java program. Background: Some Java frameworks depend on native code. This code usually comes in the form of a native shared library (*.so, *.dll). In Java, you can see methods with the attribute native . The code will load the shared

How to write code to call JNI using microsoft visual c++ [closed]

|▌冷眼眸甩不掉的悲伤 提交于 2020-12-01 10:15:55
问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 9 years ago . How do I write C code in microsoft visual c++ 2010 Express ? I am unable to do it. I was writing some C code but it is compiled with errors. Please suggest some way to do it? I wrote this code: #include "jni.h"

How to write code to call JNI using microsoft visual c++ [closed]

和自甴很熟 提交于 2020-12-01 10:13:08
问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 9 years ago . How do I write C code in microsoft visual c++ 2010 Express ? I am unable to do it. I was writing some C code but it is compiled with errors. Please suggest some way to do it? I wrote this code: #include "jni.h"