java-native-interface

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JNI EnsureLocalCapacity -- WHY?

Have a look at the JNI docs here: http://download.oracle.com/javase/1.5.0/docs/guide/jni/spec/functions.html[详细]

2023-03-29 00:29 分类：问答
Can I create an object only used by each Thread in JNI?

In Java I create some Threads, and they call the same native method like: public native String go(String str);[详细]

2023-03-28 12:04 分类：问答
Openssl X509_set_pubkey() Crash in Android NDK

I am trying to make the most basic x509 public key cert file possible on Android in C via the NDK.I built libcrypto and libssl (although I am currently only using libcrypto stuff) with the stuff from[详细]

2023-03-28 11:52 分类：问答
JNI FindClass fails with imports

I\'m trying to call my java class from c++ (ms vc 2008) with JNI, but the problem is that FindClass works only when there are not imported packages in my java class. If I add any package (for example[详细]

2023-03-28 11:49 分类：问答
What is the object lifetime of a jstring in JNI?

I don\'t have much knowledge about JNI and how things are handled inside JNI environment. I have a simple questio开发者_运维技巧n.[详细]

2023-03-28 11:07 分类：问答
Problem passing byte[] via jni to C on Android

I have a byte[] in Java which reports its length as 256 bytes which I pass to a native function in C.[详细]

2023-03-28 01:49 分类：问答
<native.h> missing, any idea where that should be?

I\'ve been tasked to recompile an old (2005) DLL from 32bits to 64bits. The projects first told me that <jni.h> could not be found, upon searching, I found that I needed to add an include dire[详细]

2023-03-28 00:03 分类：问答
Android - JNI - Recovering MyException members through JNI

In my Java code I create MyException class (extending Exception class) with the getCustomCode() method.[详细]

2023-03-27 19:51 分类：问答
SIGSEGV When Accessing Link Parser Through JNI

The server I\'m trying to set this up on has Red Hat Enterprise Linux Server 5.4 64-bit. We\'ve compiled and installed Link Parser 4.6.7 (64-bit) as well as both JDK5 and JDK6 64-bit.[详细]

2023-03-27 07:32 分类：问答
JNI interface pointer confusion

I keep seeing the env interface pointer used with and without dereferencing, for example env->DoSomething(arguments)[详细]

2023-03-26 23:35 分类：问答