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Fixed life-cycle issues with two activities sharing HIDDeviceManager

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This commit is contained in:
Sam Lantinga 2018-10-08 12:49:30 -07:00
parent 1e728f5075
commit 337cea4411
3 changed files with 60 additions and 26 deletions
src/hidapi/android
hid.cpp

27
src/hidapi/android/hid.cpp
View file

@ -696,7 +696,7 @@ static void ThreadDestroyed(void* value)
extern "C"
JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallback)(JNIEnv *env, jobject thiz, jobject callbackHandler);
JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallback)(JNIEnv *env, jobject thiz);
extern "C"
JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReleaseCallback)(JNIEnv *env, jobject thiz);
@ -721,7 +721,7 @@ JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceFeatureReport)
extern "C"
JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallback)(JNIEnv *env, jobject thiz, jobject callbackHandler)
JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallback)(JNIEnv *env, jobject thiz )
{
LOGV( "HIDDeviceRegisterCallback()");
@ -735,11 +735,19 @@ JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallba
__android_log_print(ANDROID_LOG_ERROR, TAG, "Error initializing pthread key");
}
g_HIDDeviceManagerCallbackHandler = env->NewGlobalRef( callbackHandler );
jclass objClass = env->GetObjectClass( callbackHandler );
if ( g_HIDDeviceManagerCallbackHandler != NULL )
{
env->DeleteGlobalRef( g_HIDDeviceManagerCallbackClass );
g_HIDDeviceManagerCallbackClass = NULL;
env->DeleteGlobalRef( g_HIDDeviceManagerCallbackHandler );
g_HIDDeviceManagerCallbackHandler = NULL;
}
g_HIDDeviceManagerCallbackHandler = env->NewGlobalRef( thiz );
jclass objClass = env->GetObjectClass( thiz );
if ( objClass )
{
g_HIDDeviceManagerCallbackClass = reinterpret_cast< jclass >( env->NewGlobalRef(objClass) );
g_HIDDeviceManagerCallbackClass = reinterpret_cast< jclass >( env->NewGlobalRef( objClass ) );
g_midHIDDeviceManagerOpen = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "openDevice", "(I)Z" );
if ( !g_midHIDDeviceManagerOpen )
{
@ -773,8 +781,13 @@ extern "C"
JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReleaseCallback)(JNIEnv *env, jobject thiz)
{
LOGV("HIDDeviceReleaseCallback");
env->DeleteGlobalRef( g_HIDDeviceManagerCallbackClass );
env->DeleteGlobalRef( g_HIDDeviceManagerCallbackHandler );
if ( env->IsSameObject( thiz, g_HIDDeviceManagerCallbackHandler ) )
{
env->DeleteGlobalRef( g_HIDDeviceManagerCallbackClass );
g_HIDDeviceManagerCallbackClass = NULL;
env->DeleteGlobalRef( g_HIDDeviceManagerCallbackHandler );
g_HIDDeviceManagerCallbackHandler = NULL;
}
}
extern "C"