Workaround: Modify the band of the router to 1-11 of this range.Before the time to find the reason, the project is also urgent, these days the project is not particularly urgent, look for, the reason.Because it was good before, mainly is the previous modification of the next router configuration.The default send frequency band is changed, and the default is auto state for 1-13. In order not to conflict with the nearby WiFi information, or psychologica
recommended channel, we should choose the top 13 or 14, but if the router does not have 13, 14, we can only as I above the choice of the top 11. Similarly, if the recommended is 1, 2, 3 to select the Channel 1, the least interference. You don't see the inner interval, the more overlapping the interference, so the least interference is the least.
7Back to the router settings, according to the channel recommended by the app to fill the channel, save restart the router, done!
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Original URL: http://jingyan.baidu.com/article/90895e0fe9616164ec6b0b88.htmlWhen we use WiFi, in some corners there will be no wifi signal, or sometimes no state.Today we're going to use a piece of software to help you test the WiFi signal strength.Tools/Materials
Notebook
WirelessMon.exe Software
Method/Step
1Open your browser and sear
[WFD] Connect WiFi display, plug in wired headphones, sound should go to headset side[DESCRIPTION]
Connect WiFi display, plug in Wired headphones, play music or multimedia, sound on the TV side.
[Solution]
This is the Android default design, if you want to change, modify the policy section,
AudioPolicyManager.cpp's Getdeviceforstrategy function,
Case Strategy
This method is more general, the original has been used this, but recently found that on Android 6.0 system, this method is invalid, returned to the "02:00:00:00:00:00" constant, the Internet is said to be a permission problem, but has already opened all the permissions, or return this value, It could be a bug, and maybe the problem will be fixed in the future. Netizens prompted, found that this is not a bug, Google's blog to find the following paragraph:
Most notably, Local
Analysis:Originally Google official in order to give users more data protection, starting from this 6.0 version, Android removed via WiFi and Bluetooth API to the application of programmable access to the local hardware identifier. Both the wifiinfo.getmacaddress () and Bluetoothadapter.getaddress () methods will now return 02:00:00:00:00:00▲ Solution:There is a policy on the so-called, there are countermeasures. We can use the following code to get
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