SurfaceComposerClient::Transaction&
SurfaceComposerClient::Transaction::addTransactionCompletedCallback(
        TransactionCompletedCallbackTakesContext callback, void* callbackContext) {
    return addTransactionCallback(callback, callbackContext, CallbackId::Type::ON_COMPLETE);
}

• TransactionCompletedCallbackTakesContext 是函数类型。

  using TransactionCompletedCallbackTakesContext =
          std::function<void(void* /*context*/, nsecs_t /*latchTime*/,
                             const sp<Fence>& /*presentFence*/,
                             const std::vector<SurfaceControlStats>& /*stats*/)>;
  

• 调用 Transaction::addTransactionCallback()，参数 CallbackId::Type::ON_COMPLETE。