gpg::AndroidSupport

import android.app.Activity;
import android.content.Intent;

public class YourActivity extends Activity {
  protected void onCreate(Bundle savedInstanceState){
    super.onCreate(savedInstanceState);
    nativeOnActivityCreated(this, savedInstanceState);
  }

  protected void onDestroy(){
    super.onDestroy();
    nativeOnActivityDestroyed(this);
  }

  protected void onPause(){
    super.onPause();
    nativeOnActivityPaused(this);
  }

  protected void onResume(){
    super.onResume();
    nativeOnActivityResumed(this);
  }

  protected void onStart(){
    super.onStart();
    nativeOnActivityStarted(this);
  }

  protected void onStop(){
    super.onStop();
    nativeOnActivityStopped(this);
  }

  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    nativeOnActivitySaveInstanceState(this, outState);
  }

  protected void onActivityResult(int requestCode,
                                  int resultCode,
                                  Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    nativeOnActivityResult(this, requestCode, resultCode, data);
  }

  // Implemented in C++.
  private static native void nativeOnActivityCreated(
      Activity activity, Bundle savedInstanceState);
  private static native void nativeOnActivityDestroyed(Activity activity);
  private static native void nativeOnActivityPaused(Activity activity);
  private static native void nativeOnActivityResumed(Activity activity);
  private static native void nativeOnActivitySaveInstanceState(
      Activity activity,
      Bundle outState);
  private static native void nativeOnActivityStarted(Activity activity);
  private static native void nativeOnActivityStopped(Activity activity);
  private static native void nativeOnActivityResult(
      Activity activity,
      int requestCode,
      int resultCode,
      Intent data);
}

void Java_com_example_yourapp_YourActivity_nativeOnActivityCreated(
    JNIEnv* env,
    jobject thiz,
    jobject activity,
    jobject saved_instance_state) {
  gpg::AndroidSupport::OnActivityCreated(env,
                                         activity,
                                         saved_instance_state);
}

void Java_com_example_yourapp_YourActivity_nativeOnActivityDestroyed(
    JNIEnv* env, jobject thiz, jobject activity) {
  gpg::AndroidSupport::OnActivityDestroyed(env, activity);
}

void Java_com_example_yourapp_YourActivity_nativeOnActivityPaused(
    JNIEnv* env, jobject thiz, jobject activity) {
  gpg::AndroidSupport::OnActivityPaused(env, activity);
}

void Java_com_example_yourapp_YourActivity_nativeOnActivityResumed(
    JNIEnv* env, jobject thiz, jobject activity) {
  gpg::AndroidSupport::OnActivityResumed(env, activity);
}

void Java_com_example_yourapp_YourActivity_nativeOnActivitySaveInstanceState(
    JNIEnv* env, jobject thiz, jobject activity, jobject out_state) {
  gpg::AndroidSupport::OnActivitySaveInstanceState(env, activity, out_state);
}

void Java_com_example_yourapp_YourActivity_nativeOnActivityStarted(
    JNIEnv* env, jobject thiz, jobject activity) {
  gpg::AndroidSupport::OnActivityStarted(env, activity);
}

void Java_com_example_yourapp_YourActivity_nativeOnActivityStopped(
    JNIEnv* env, jobject thiz, jobject activity) {
  gpg::AndroidSupport::OnActivityStopped(env, activity);
}

void Java_com_example_yourapp_YourActivity_nativeOnActivityResult(
    JNIEnv* env,
    jobject thiz,
    jobject activity,
    jint request_code,
    jint result_code,
    jobject data) {
  gpg::AndroidSupport::OnActivityResult(
      env, activity, request_code, result_code, data);
}

public class YourActivity extends Activity {
  protected void onActivityResult(int requestCode,
                                  int resultCode,
                                  Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    nativeOnActivityResult(this, requestCode, resultCode, data);
  }

  // Implemented in C++.
  private static native void nativeOnActivityResult(
      Activity activity,
      int requestCode,
      int resultCode,
      Intent data);
}

void Java_com_example_yourapp_YourActivity_nativeOnActivityResult(
    JNIEnv* env,
    jobject thiz,
    jobject activity,
    jint request_code,
    jint result_code,
    jobject data) {
  gpg::AndroidSupport::OnActivityResult(
      env, activity, request_code, result_code, data);
}