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Android alert display functionality using JNI

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This commit is contained in:
saschawillems 2018-04-30 22:24:45 +02:00
parent 1227f1e7f4
commit 5056563f5d
5 changed files with 64 additions and 3 deletions
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18
base/VulkanAndroid.cpp
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@ -11,6 +11,7 @@
#if defined(__ANDROID__)
#include <android/log.h>
#include <dlfcn.h>
#include <android/native_window_jni.h>
android_app* androidApp;
@ -292,6 +293,23 @@ namespace vks
vks::android::screenDensity = AConfiguration_getDensity(config);
AConfiguration_delete(config);
}
// Displays a native alert dialog using JNI
void showAlert(const char* message) {
JNIEnv* jni;
androidApp->activity->vm->AttachCurrentThread(&jni, NULL);
jstring jmessage = jni->NewStringUTF(message);
jclass clazz = jni->GetObjectClass(androidApp->activity->clazz);
// Signature has to match java implementation (arguments)
jmethodID methodID = jni->GetMethodID(clazz, "showAlert", "(Ljava/lang/String;)V");
jni->CallVoidMethod(androidApp->activity->clazz, methodID, jmessage);
jni->DeleteLocalRef(jmessage);
androidApp->activity->vm->DetachCurrentThread();
return;
}
}
}