Android Question when p.shell ping,main thread is blocked.how to change ?

hears said:

B4X:

Dim p As Phone
Dim sb As StringBuilder
    sb.Initialize
    p.Shell("ping -c 1 192.168.0.1",Null,sb,Null)
Log(sb)

in my app must use ping function
,cannot use http test.

so main thread alway stop.how to do ?

how to start a new thread PING ?
after just display ping result in main activity.

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