Question

I've written a complication for a Watch Face with Time Travel. However, i wanted the watchOS to "refresh" time line (like every hour) so that it will delete the current time line and then call getTimelineEntries again to obtain a new time line.

Is it possible? Thanks.

Answer 1

有可能在当前时钟面的不同插槽中安装多个应用程序并发症，因此对于所有活动并发症，最好调用“ reloadTimelineForComplication：”。

for (CLKComplication* complication in CLKComplicationServer.sharedInstance.activeComplications)
{
    //NSLog(@"Reloading Timeline for Complication: %@", complication);
    [CLKComplicationServer.sharedInstance reloadTimelineForComplication:complication];
}

从文档中： CLKComplicationServer.activeComplications ：此属性包含CLKComplication对象数组，每个对象代表当前显示在屏幕上的并发症版本。钟面。此数组通常没有条目，也只有一个条目，但是如果您的并发症安装在钟面上的多个插槽中，则它可能会有多个条目。

Answer 2

每当您想要刷新并发症数据时，您都可以触发这样的刷新，

[[CLKComplicationServer sharedInstance] reloadTimelineForComplication:[[[CLKComplicationServer sharedInstance] activeComplications] firstObject]];

参考，您可以查看here

watchOS Complication - How to tell watchOS to update the Timeline

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