Broadcast variables

Driver-side variables can only broadcast in the definition, can not be defined at the end Executor.

You can modify the value of the variable in the Driver broadcast end, you can not change the value of the variable in the broadcast Executor end.

https://blog.csdn.net/Android_xue/article/details/79780463

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Origin www.cnblogs.com/focusonoutput/p/12340045.html