Get WiFi list, run on the old phone is no problem, on the new phone can not get WiFi list, length has been 0, not reported abnormal, very confused.

Why the new phone doesn't get a WiFi list:

The first thing to consider when getting to the list is the 6.0 dynamic permissions issue

Solution:

(1) Change the SDK version to less than 23, for example 22, but discard the SDK's new features

(2) Use dynamic authorization, receive the user authorization information, according to the user authorized information to make the operation

Get WiFi list, run on the old phone is no problem, on the new phone can not get WiFi list, length has been 0, not reported abnormal, very confused.