java.lang.RuntimeException: An error occured while executing doInBackground()

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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 galaxyfeeder
, 2 years ago
An error occured while executing doInBackground()
via GitHub by noamamiran
, 11 months ago
An error occured while executing doInBackground()
via GitHub by RoelRoel
, 2 years ago
An error occured while executing doInBackground()
via GitHub by LiquidSnack
, 2 years ago
An error occured while executing doInBackground()
via GitHub by nirabpudasaini
, 2 years ago
An error occured while executing doInBackground()
via GitHub by blueleader07
, 2 years ago
An error occured while executing doInBackground()
java.lang.RuntimeException: An error occured while executing doInBackground()
at android.os.Handler.(Handler.java:200)
at android.os.Handler.(Handler.java:114)
at android.widget.Toast$TN.(Toast.java:372)
at android.widget.Toast.(Toast.java:105)
at android.widget.Toast.makeText(Toast.java:264)
at com.example.keam.lastnato.MainActivity$1readThis.doInBackground(MainActivity.java:120)
at com.example.keam.lastnato.MainActivity$1readThis.doInBackground(MainActivity.java:61)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)

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