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Locale.cpp
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61 lines (54 loc) · 1.88 KB
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#include "il2cpp-config.h"
#if IL2CPP_TARGET_ANDROID
#include <string>
#include <android/log.h>
#include <jni.h>
extern JavaVM *sJavaVM;
namespace il2cpp
{
namespace os
{
std::string AndroidGetLocale()
{
std::string locale;
if (sJavaVM == nullptr)
{
__android_log_print(ANDROID_LOG_INFO, "IL2CPP", "Java VM not initialized");
return locale;
}
JNIEnv* env = nullptr;
bool detached = sJavaVM->GetEnv((void**)&env, JNI_VERSION_1_2) == JNI_EDETACHED;
if (detached)
{
sJavaVM->AttachCurrentThread(&env, NULL);
}
jclass localeClass = env->FindClass("java/util/Locale");
if (localeClass != nullptr)
{
jmethodID getDefault = env->GetStaticMethodID(localeClass, "getDefault", "()Ljava/util/Locale;");
if (getDefault != nullptr)
{
jobject def = env->CallStaticObjectMethod(localeClass, getDefault);
jmethodID toLanguageTag = env->GetMethodID(localeClass, "toLanguageTag", "()Ljava/lang/String;");
// toLanguageTag is available since API 21 only, so returning default locale for Android 4.4
if (toLanguageTag != nullptr)
{
jstring tag = (jstring)env->CallObjectMethod(def, toLanguageTag);
const char *nativeTag = env->GetStringUTFChars(tag, nullptr);
__android_log_print(ANDROID_LOG_INFO, "IL2CPP", "Locale %s", nativeTag);
locale = nativeTag;
env->ReleaseStringUTFChars(tag, nativeTag);
}
}
}
if (env->ExceptionCheck())
{
env->ExceptionClear();
}
if (detached)
sJavaVM->DetachCurrentThread();
return locale;
}
} /* namespace os */
} /* namespace il2cpp */
#endif