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Don't use a hint callback for SDL_HINT_ANDROID_ALLOW_RECREATE_ACTIVITY

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This was originally intended to make sure that nativeAllowRecreateActivity() could be called from another thread safely, but the hint system is now thread-safe, so we don't need to use a callback here.

Fixes https://github.com/libsdl-org/SDL/issues/11938
This commit is contained in:
Sam Lantinga 2025-01-13 07:37:50 -08:00
parent 03a3c19c27
commit 611f132fd0
1 changed files with 1 additions and 17 deletions
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18
src/core/android/SDL_android.c
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@ -404,9 +404,6 @@ static void Internal_Android_Destroy_AssetManager(void);
static AAssetManager *asset_manager = NULL;
static jobject javaAssetManagerRef = 0;
// Re-create activity hint
static SDL_AtomicInt bAllowRecreateActivity;
static SDL_Mutex *Android_ActivityMutex = NULL;
static SDL_Mutex *Android_LifecycleMutex = NULL;
static SDL_Semaphore *Android_LifecycleEventSem = NULL;
@ -564,7 +561,6 @@ JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved)
register_methods(env, "org/libsdl/app/SDLAudioManager", SDLAudioManager_tab, SDL_arraysize(SDLAudioManager_tab));
register_methods(env, "org/libsdl/app/SDLControllerManager", SDLControllerManager_tab, SDL_arraysize(SDLControllerManager_tab));
register_methods(env, "org/libsdl/app/HIDDeviceManager", HIDDeviceManager_tab, SDL_arraysize(HIDDeviceManager_tab));
SDL_SetAtomicInt(&bAllowRecreateActivity, false);
return JNI_VERSION_1_4;
}
@ -764,28 +760,16 @@ JNIEXPORT int JNICALL SDL_JAVA_INTERFACE(nativeCheckSDLThreadCounter)(
return tmp;
}
static void SDLCALL SDL_AllowRecreateActivityChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
{
if (SDL_GetStringBoolean(hint, false)) {
SDL_SetAtomicInt(&bAllowRecreateActivity, true);
} else {
SDL_SetAtomicInt(&bAllowRecreateActivity, false);
}
}
JNIEXPORT jboolean JNICALL SDL_JAVA_INTERFACE(nativeAllowRecreateActivity)(
JNIEnv *env, jclass jcls)
{
return SDL_GetAtomicInt(&bAllowRecreateActivity);
return SDL_GetHintBoolean(SDL_HINT_ANDROID_ALLOW_RECREATE_ACTIVITY, false);
}
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeInitMainThread)(
JNIEnv *env, jclass jcls)
{
__android_log_print(ANDROID_LOG_VERBOSE, "SDL", "nativeInitSDLThread() %d time", run_count);
if (run_count == 1) {
SDL_AddHintCallback(SDL_HINT_ANDROID_ALLOW_RECREATE_ACTIVITY, SDL_AllowRecreateActivityChanged, NULL);
}
run_count += 1;
// Save JNIEnv of SDLThread