Method AttachCurrentThread

teapots/common/ndk_helper/JNIHelper.h:295–305

* Attach current thread * In Android, the thread doesn't have to be 'Detach' current thread * as application process is only killed and VM does not shut down */

   * as application process is only killed and VM does not shut down
   */
  JNIEnv* AttachCurrentThread() {
    JNIEnv* env;
    if (activity_->vm->GetEnv((void**)&env, JNI_VERSION_1_4) == JNI_OK)
      return env;
    activity_->vm->AttachCurrentThread(&env, NULL);
    pthread_key_t key;
    if (pthread_key_create(&key, DetachCurrentThreadDtor) == 0) {
      pthread_setspecific(key, (void*)activity_);
    }
    return env;
  }

  void DetachCurrentThread() {
    activity_->vm->DetachCurrentThread();