01-23 21:26:47.532 24750-24750/org.literacyapp E/AndroidRuntime: FATAL EXCEPTION: main
Process: org.literacyapp, PID: 24750
Theme: themes:{}
java.lang.RuntimeException: Unable to resume activity {org.literacyapp/org.literacyapp.authentication.AuthenticationActivity}: java.lang.IllegalThreadStateException: Thread already started
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3137)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3168)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1407)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5461)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: java.lang.IllegalThreadStateException: Thread already started
at java.lang.Thread.checkNotStarted(Thread.java:849)
at java.lang.Thread.start(Thread.java:1059)
at org.literacyapp.authentication.AuthenticationActivity.onResume(AuthenticationActivity.java:231)
at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1259)
at android.app.Activity.performResume(Activity.java:6327)
at android.app.ActivityThread.performResumeActivity(ActivityThread.java:3126)
at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3168)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1407)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5461)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
@sladomic This happened when I turned the screen back on after leaving it idle for a long time. Maybe there was a job already running in the background?