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开发者们需注意 iOS7后台应用刷新成本高 - 站长搜索
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开发者们需注意 iOS7后台应用刷新成本高

业界动态 2014-03-09 21:41:00 转载来源: 网络整理/侵权必删

AS网站目录(www.adminso.com):开发者们需注意 iOS7后台应用刷新成本高 iOS7新添加的一个功能“后台应用刷新”,意思是可以让应用在后台定时刷新数据。用户自己可以选择哪些应用开启后台刷新功能,进入“设置”界面即可

AS网站目录(www.adminso.com):开发者们需注意 iOS7后台应用刷新成本

iOS7新添加的一个功能“后台应用刷新”,意思是可以让应用在后台定时刷新数据。用户自己可以选择哪些应用开启后台刷新功能,进入“设置”界面即可。但开发者可以掌握应用刷新数据的频率,比如每分钟、每小时……这个功能对用户来说无疑可以提升应用的体验,只要我们大部分时间都处在Wi-Fi连接下,后台刷新不会消耗我们太多的流量。但是对开发者来说,应用刷新频率越高,他们所要支出的服务器成本越高。

一名叫大卫・史密斯的开发者整理出一个趋势图,显示了他在其天气应用中开启高频率的后台刷新后,API请求和服务器成本的激增。他选择高频率地刷新他的应用数据,由此产生的每日API请求明显剧增,幅度高达16倍。看到这样的成本支出,大卫不得不恢复到之前的更新频率。

大卫建议开发者,在决定应用后台刷新频率时,要适可而止,就算没有后台刷新功能,也可以大方地对用户坦诚。最好可以采用推送更新,当服务器推送更新的数据时才唤醒应用,这种方式更效率。

标签: 开发者 们需 注意 iOS7 后台 应用 刷新 成本


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