Public do bluetooth hardware connection, written in the h5 public number, enter the public issue of bluetooth connection page through WeChat hardware JSAPI:
Call for the first time:
Now show the binding equipment, binding equipment, - & gt; Connected devices - onWXDeviceStateChange judge success
Call the second time:
Unbundling equipment -. Display device - & gt; Scanner - & gt; Display devices - & gt; Connections - & gt; Don't go you don't succeed onWXDeviceStateChange;
Entered the public WeChat nor active connection,...
Other WeChat testing is also the first successful second connection not actively why ask

CodePudding user response:

The building Lord, I would like to ask about using the models of qr code? My side type good search less than, you know what's going on?