fetchFileData doesn't work on android 11

[ma7moudovic]

trying to download files from drone to phone using fetchFileData but doesn't work, and tried to run the sample code and try to download fails too

[dji-dev]

Agent comment from DJI SDK in Zendesk ticket #59368:

尊敬的开发者，感谢您联系DJI 大疆创新 由于github不是我们主要的咨询渠道，您的问题可能跟进不及时。我们建议您通过填写表单（ https://djisdksupport.zendesk.com/hc/zh-cn/requests/new ）向我们反馈问题。或者您也可以在论坛发帖，与其它开发者交流。论坛链接：https://djisdksupport.zendesk.com/hc/zh-cn/community/topics

Dear developer, thank you for contacting DJI. Since github is not our main consultation channel, your questions may not be followed up in time. We recommend that you fill in the form (https://djisdksupport.zendesk.com/hc/en-us/requests/new) to report problems to us. Or you can post in the forum to communicate with other developers. Forum link: https://djisdksupport.zendesk.com/hc/zh-cn/community/topics

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[DJI-William]

From Android 10 to Anroid 11, the read and write file permission has changed, you need to write some code to cross over it. I have found a Chinese article to solve this, but I havn't found this in English version. Maybe you can translate it by using Google translate. Link：https://blog.csdn.net/fitaotao/article/details/119700579?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1.no_search_link&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1.no_search_link