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java Programming Glossary: jstring

Calling a java method from c++ in Android

http://stackoverflow.com/questions/5198105/calling-a-java-method-from-c-in-android

#include string.h #include stdio.h #include jni.h jstring Java_the_package_MainActivity_getJniString JNIEnv env jobject.. JNI_CreateJavaVM vm void env vm_args Construct a String jstring jstr env NewStringUTF This string comes from JNI First get the.. Get a C style string const char str env GetStringUTFChars jstring result NULL printf s n str Clean up env ReleaseStringUTFChars..

Should you call ReleaseStringUTFChars if GetStringUTFChars returned a copy?

http://stackoverflow.com/questions/5859673/should-you-call-releasestringutfchars-if-getstringutfchars-returned-a-copy

Gordon contains the following code example to convert a jstring to a C string const char utf_string jboolean isCopy utf_string..

passing string array from java to C with JNI

http://stackoverflow.com/questions/5972207/passing-string-array-from-java-to-c-with-jni

function that takes a jobjectarray object cast each one to jstring and then call GetStringUTFChars on it. Like this void MyJNIFunction.. env GetArrayLength stringArray for int i 0 i stringCount i jstring string jstring GetObjectArrayElement env stringArray i const.. stringArray for int i 0 i stringCount i jstring string jstring GetObjectArrayElement env stringArray i const char rawString..

Why do constructors in java not have a return type? [duplicate]

http://stackoverflow.com/questions/6801500/why-do-constructors-in-java-not-have-a-return-type

demonstrates that constructor is a nonstatic void method jstring MyNewString JNIEnv env jchar chars jint len jclass stringClass.. len jclass stringClass jmethodID cid jcharArray elemArr jstring result stringClass env FindClass env java lang String if stringClass..

How do I convert jstring to wchar_t *

http://stackoverflow.com/questions/68042/how-do-i-convert-jstring-to-wchar-t

do I convert jstring to wchar_t Let's say that on the C side my function takes a.. that on the C side my function takes a variable of type jstring named myString. I can convert it to an ANSI string as follows..

Calling Android NDK function from Unity Script

http://stackoverflow.com/questions/9121781/calling-android-ndk-function-from-unity-script

android log.h #define DEBUG_TAG NDK_blahy extern C jstring Java_com_blah_blah_getURL JNIEnv env jobject this void Java_com_blah_blah_setURL.. void Java_com_blah_blah_setURL JNIEnv env jobject this jstring URL jstring url void Java_com_blah_blah_setURL JNIEnv env jobject.. JNIEnv env jobject this jstring URL jstring url void Java_com_blah_blah_setURL JNIEnv env jobject this jstring..

GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?

http://stackoverflow.com/questions/9598707/gson-throwing-expected-begin-object-but-was-begin-array

lcs List channelSearchEnum new Gson .fromJson jstring channelSearchEnum.class Here's an object class I'm using. import.. parser new JsonParser JsonArray Jarray parser.parse jstring .getAsJsonArray ArrayList channelSearchEnum lcs new ArrayList..

How to access the Java method in a C++ application

http://stackoverflow.com/questions/992836/how-to-access-the-java-method-in-a-c-application

JNI_CreateJavaVM vm void env vm_args Construct a String jstring jstr env NewStringUTF Hello World First get the class that contains.. Get a C style string const char str env GetStringUTFChars jstring result NULL printf s n str Clean up env ReleaseStringUTFChars..