cpp

jni/Android.mk

@@ -48,7 +48,7 @@ include $(CLEAR_VARS)
 LOCAL_PATH := $(BASE_PATH)
 LOCAL_MODULE := luajit-launcher
 LOCAL_C_INCLUDES := $(LOCAL_PATH)
-LOCAL_SRC_FILES := jni_helper.c main.c
+LOCAL_SRC_FILES := jni_helper.cpp main.c
 LOCAL_STATIC_LIBRARIES := android_native_app_glue
 # NOTE: By default, we link against the shared LuaJIT library directly.
 LOCAL_SHARED_LIBRARIES := luajit

jni/jni_helper.cpp

@@ -0,0 +1,41 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <jni.h>
+#include "jni_helper.h"
+
+bool has_permission(struct android_app* app) {
+    JNIEnv* env;
+    JavaVM* vm = app->activity->vm;
+    int status = vm->GetEnv((void**)&env, JNI_VERSION_1_6);
+    if ((status == JNI_OK) || ((status == JNI_EDETACHED)
+        && (vm->AttachCurrentThread(&env, NULL) == 0)))
+    {
+        jclass clazz = env->GetObjectClass(app->activity->clazz);
+        jmethodID method = env->GetMethodID(clazz, "hasRequiredPermissions", "()Z");
+        bool ok = env->CallBooleanMethod(app->activity->clazz, method) == JNI_TRUE;
+        vm->DetachCurrentThread();
+        return ok;
+    } else {
+        return false;
+    }
+}
+
+void crash_report(struct android_app* app) {
+    JNIEnv* env;
+    JavaVM* vm = app->activity->vm;
+    int status = vm->GetEnv((void**)&env, JNI_VERSION_1_6);
+    if ((status == JNI_OK) || ((status == JNI_EDETACHED)
+        && (vm->AttachCurrentThread(&env, NULL) == 0)))
+    {
+        jclass clazz = env->GetObjectClass(app->activity->clazz);
+        jmethodID method = env->GetMethodID(clazz, "onNativeCrash", "()V");
+        env->CallVoidMethod(app->activity->clazz, method);
+        vm->DetachCurrentThread();
+    }
+}
+
+#ifdef __cplusplus
+}
+#endif

jni/jni_helper.h

@@ -1,4 +1,3 @@
-#include <stdbool.h>
 #include "android_native_app_glue.h"
 
 bool has_permission(struct android_app* app);