Deconstructed APK prototyping

apk/simple_jni.cc

+#include "simple.h"
+#include "simple/jni/MainActivity_jni.h"
+#include "base/android/jni_android.h"
+#include "base/android/base_jni_registrar.h"
+#include "base/android/base_jni_onload.h"
+#include "base/android/jni_onload_delegate.h"
+#include "base/memory/scoped_ptr.h"
+
+#include <vector>
+
+
+static jint GetValue(JNIEnv* env, jclass jcaller) {
+  return simple::foo();
+}
+
+// This is called by the VM when the shared library is first loaded.
+JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
+  scoped_ptr<std::vector<base::android::JNIOnLoadDelegate*>> delegates(
+      new std::vector<base::android::JNIOnLoadDelegate*>());
+  if (!base::android::OnJNIOnLoad(vm, delegates.get()))
+    return -1;
+  JNIEnv* env = base::android::AttachCurrentThread();
+  base::android::RegisterJni(env);
+  RegisterNativesImpl(env);
+  return JNI_VERSION_1_4;
+}