php - Android XMPP - 服务器端

Question

我尝试学习 Android 和网络服务器之间的实时通信。通信应该与 XMPP 和 GCM 一起工作。现在我需要服务器端的帮助。服务器端的推送通知应该使用什么？什么性能最好？我考虑将 PHP 与 GCM 结合使用。或者有更好的选择吗？数据应存储在 MYSQL 数据库中的网络服务器上。我已经搜索过了，但是有很多不同的解决方案，所以很困惑。

Answer 1

Google Cloud Messaging现在是向运行应用程序的应用程序发送消息的首选方法，因为 Cloud to Device Messaging 已贬值.

正如您提到的，有 XMPP以及这恰好是我目前最喜欢的。

它功能强大、功能齐全、可扩展，如果您想在自己的机器上托管它，甚至可以使用开源解决方案。如果你这样做，我推荐OpenFire .

为了满足胃口，这里有一些使用 XMPP 的电池生命周期基准:

The Android client must maintain a persistent TCP connection by waking up periodically to send a heartbeat to the XMPP server. This clearly imposes a cost in terms of power usage. An estimate of this cost is provided below:

• Using a 1400mAh battery (as supplied in the Nexus and HTC)
• An idle device, connected to an 3G network, uses approximately 5mA
• The wake-up, heartbeat, sleep cycle occurs every 5 minutes, takes three seconds to complete and uses 300mA

The cost in battery usage per hour is therefore:

• 36 seconds 300mA = 3mAh sending heartbeat
• 3600 seconds 5mA = 5mAh at idle
• 4:95 + 3 = 7:95mAh combined
• A 1400mAh battery lasts approximately 11.6 days at idle and 7.3 days when running the application, which represents an approximate 37% reduction in battery life.
• However, a reduction in battery life of 37% represents the absolute worst case in practice given that devices are rarely completely idle.