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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?

How to Determine if You re Running in a 64 bit JVM or 32 bit JVM from Within a Program When you re developing Java applications its essential to know whether yo

2 min read 08-10-2024 21
How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?

Java JNA load DLL

Unlocking Native Code Power with Java A Guide to Loading DLLs using JNA Javas strength lies in its platform independence and robust libraries But what happens w

3 min read 07-10-2024 24
Java JNA load DLL
Java JNA load DLL

Loading native lib error

Unsatisfied Link Error No implementation found for Decoding the Native Lib Loading Mystery Have you ever encountered a dreaded Unsatisfied Link Error No impleme

2 min read 07-10-2024 39
Loading native lib error
Loading native lib error

Add lib to makefile for jni app

Adding External Libraries to Your JNI Application with Makefiles Developing Java Native Interface JNI applications often involves utilizing external libraries t

2 min read 07-10-2024 48
Add lib to makefile for jni app
Add lib to makefile for jni app

How do I link my '.lib' and '.dll' files in play framework?

Linking lib and dll Files in Play Framework A Practical Guide Play Framework a popular Java and Scala web framework simplifies web application development Howev

3 min read 06-10-2024 50
How do I link my '.lib' and '.dll' files in play framework?
How do I link my '.lib' and '.dll' files in play framework?

Trying to set lib path in code for RXTX in java on Pi

Conquering the RXTX Lib Path on Your Raspberry Pi A Java Developers Guide Have you ever encountered the dreaded No Class Def Found Error when trying to use the

2 min read 06-10-2024 51
Trying to set lib path in code for RXTX in java on Pi
Trying to set lib path in code for RXTX in java on Pi

How to step into native code with disassembling in Android Studio?

Stepping into Native Code with Disassembling in Android Studio Debugging Android applications often involves understanding how Java code interacts with native l

2 min read 06-10-2024 45
How to step into native code with disassembling in Android Studio?
How to step into native code with disassembling in Android Studio?

Android app how to load /vendor/lib64/libname.so

Loading Native Libraries in Android Apps A Guide to vendor lib64 libname so Introduction Android applications often require access to native code typically in t

2 min read 05-10-2024 46
Android app how to load /vendor/lib64/libname.so
Android app how to load /vendor/lib64/libname.so

How can jni be leveraged for an abstract class?

Leveraging JNI for Abstract Classes in Java Java Native Interface JNI serves as a bridge between Java applications and native applications or libraries written

3 min read 29-09-2024 49
How can jni be leveraged for an abstract class?
How can jni be leveraged for an abstract class?

Convert a char* to a jByteArray or do a Latin1 to UFT8 conversion

Converting char to jbyte Array and Latin1 to UTF 8 Conversion In the world of programming particularly when working with Java and C C integrations you might enc

3 min read 26-09-2024 53
Convert a char* to a jByteArray or do a Latin1 to UFT8 conversion
Convert a char* to a jByteArray or do a Latin1 to UFT8 conversion

Make a shared library self-contained (pre-link dependencies of a shared library into it, recursively)?

Creating a Self Contained Shared Library A Guide to Pre Linking Dependencies When developing shared libraries in programming one common challenge is ensuring th

3 min read 16-09-2024 49
Make a shared library self-contained (pre-link dependencies of a shared library into it, recursively)?
Make a shared library self-contained (pre-link dependencies of a shared library into it, recursively)?

JNI Performance

Optimizing for Performance Java JNI and HDF 5 File Creation Lets dive into the world of Java JNI and HDF 5 file creation to figure out the most performant appro

3 min read 07-09-2024 66
JNI Performance
JNI Performance

how to create jni and Android.mk?

A Beginners Guide to JNI and Android mk for Android Development Lets dive into the world of JNI Java Native Interface and Android mk essential tools for leverag

3 min read 07-09-2024 56
how to create jni and Android.mk?
how to create jni and Android.mk?

Passing byte array from native code to the Java side

markdown Efficiently Passing Byte Arrays from Native Code to Java In cross platform development especially when working with the Java Native Interface JNI one c

3 min read 07-09-2024 55
Passing byte array from native code to the Java side
Passing byte array from native code to the Java side

Error "A JNI error has occurred. Please check your installation and try again in Eclipse x86 Windows 8.1"

A JNI error has occurred Please check your installation and try again in Eclipse A Troubleshooting Guide This error message often pops up in Eclipse especially

2 min read 06-09-2024 50
Error "A JNI error has occurred. Please check your installation and try again in Eclipse x86 Windows 8.1"
Error "A JNI error has occurred. Please check your installation and try again in Eclipse x86 Windows 8.1"

Android NDK UnsatisfiedLinkError: "dlopen failed: empty/missing DT_HASH"

Understanding and Fixing Unsatisfied Link Error dlopen failed empty missing DT HASH in Android NDK The dreaded Unsatisfied Link Error dlopen failed empty missin

2 min read 06-09-2024 65
Android NDK UnsatisfiedLinkError: "dlopen failed: empty/missing DT_HASH"
Android NDK UnsatisfiedLinkError: "dlopen failed: empty/missing DT_HASH"

does NewDirectByteBuffer create a copy in native code

Understanding Javas New Direct Byte Buffer and Data Copying When working with native code and Java you often need to transfer data between the two environments

3 min read 06-09-2024 51
does NewDirectByteBuffer create a copy in native code
does NewDirectByteBuffer create a copy in native code

Passing long value to Java with JNI

Passing Long Values to Java with JNI A Guide for C Developers This article dives into the intricacies of passing long values from C code to Java methods using J

3 min read 06-09-2024 52
Passing long value to Java with JNI
Passing long value to Java with JNI

Can you use .so libs from one application in other application?

Sharing so Libraries Between Android Applications A Deep Dive Sharing code between Android applications is a common requirement especially when dealing with com

3 min read 05-09-2024 55
Can you use .so libs from one application in other application?
Can you use .so libs from one application in other application?

No implementation found for Int when i use .so file android

No implementation found for Int Demystifying Android JNI Errors The error No implementation found for Int is a common issue faced by Android developers using th

3 min read 30-08-2024 61
No implementation found for Int when i use .so file android
No implementation found for Int when i use .so file android

How to kill android application from c++

How to Securely Kill an Android Application from C JNI Introduction Securing your Android application against malicious actors who might attempt to hook system

2 min read 27-08-2024 78
How to kill android application from c++
How to kill android application from c++