Callback C++ function from Java: object references mismatch
Unsolved
Mobile and Embedded
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I have QAndroidJniObject (CppClass::jniObject) with MyJavaClass.java class instance. MyJavaClass calls native callback anSignalFromJava()
static native void anSignalFromJava();
Callback function on C++ side:
extern "C" { JNIEXPORT void JNICALL Java_org_example_MyJavaClass_anSignalFromJava(JNIEnv* env, jobject object) { qDebug() << "callback object=" << object << "CppClass::jniObject.object()=" << CppClass::jniObject.object(); //output: callback object=0xbea037fc CppClass::jniObject.object()=0x572 Q_ASSERT(object == CppClass::jniObject.object()); //fail } }
References to same Java object provided by QAndroidJniObject and object parameter of callback function differs, but they should be same