java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()

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via vogella.com by Unknown author

Any worker thread runs in background, since it is not intended to loop, is not connected to a Looper.for example doInBackground(). its implementation returns will be passed to onPostExecute() which runs on the UI thread.

Solutions on the web

via GitHub by ChernyshovYuriy
, 2 years ago
Can't create handler inside thread that has not called Looper.prepare()
via Stack Overflow by Unknown author, 2 years ago
Can't create handler inside thread that has not called Looper.prepare()
via howtobuildsoftware.com by Unknown author, 1 year ago
Can't create handler inside thread that has not called Looper.prepare()
via Google Groups by Alexey Tikhvinsky, 3 months ago
Can't create handler inside > thread that has not called Looper.prepare()
via Stack Overflow by wee.ryo
, 1 year ago
Can't create handler inside thread that has not called Looper.prepare()
java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
at android.os.Handler.(Handler.java:121)
at android.bluetooth.BluetoothAdapter$1.(BluetoothAdapter.java:961)
at android.bluetooth.BluetoothAdapter.(BluetoothAdapter.java:961)
at com.mixpanel.android.mpmetrics.MixpanelAPI.getDefaultEventProperties(MixpanelAPI.java:973)
at com.mixpanel.android.mpmetrics.MixpanelAPI.track(MixpanelAPI.java:239)

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