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#Facebook Instant Game FB小游戏无法使用谷歌分析gtag的解决方法
source link: https://xmanyou.com/facebook-instant-game-can-not-send-event-using-gtag/
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21 June 2021
/ facebook instant game
#Facebook Instant Game FB小游戏无法使用谷歌分析gtag的解决方法
Facebook将于2021年6月30日正式关闭Facebook分析服务，为了更好地进行数据分析，Facebook小游戏需要接入一个第三方分析服务。
在测试谷歌分析服务的时候发现，Facebook小游戏似乎无法发送数据。
这是怎么回事呢？
研究发现，这是Facebook的一个限制
I think I found a solution. The problem is with this year Chrome cross-site cookie handling.
Due to hosting app in an facebook iframe - cookie_flags: 'max-age=7200;secure;samesite=none' is required for request to pass thru. I'm able to override gtag initialization and push this setting after firebase initial initialization but I wonder if there is a way of passing it in firebase intial config instead of recreating gtag -
gtag('config', 'ID', { cookie_flags: 'max-age=7200;secure;samesite=none' });
在初始化gtag时，需要加入以下参数才可以
gtag('config', 'ID', { cookie_flags: 'max-age=7200;secure;samesite=none' });
这个临时解决方法带来的问题是，一旦Facebook改动了cookie的参数需求，有可能又失效了。
阿斌
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