moshang

**I'm using Playlist(audio: network_audios) to open songs, but every song url is variable, i should get the right url before play it, so url_callback and headers_callback could be very helpful.**...

demo项目源码

1

大佬方便提供一下demo项目的源码吗，因为根据文档，还是有一些地方不清楚如何实现，如果有一个现成的项目来参考那就很棒了

Truly practical, could you teach me?

value is null, but 'value == null' is false

1

``` Map e = ...; for (var item in e) { print(item['displayLogId']); // null bool ifNull = item['displayLogId'] == null; print(ifNull); / false } ``` i print `item['displayLogId']` which is...

Method not found [] on int at unknown

1

I have multi Compiler(), when running individually, everything functions properly; however, upon completing one execution and proceeding to the next, an error is encountered, as follows: ``` Method not found...