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Attempt to invoke virtual method 'java.lang.String dev.newaudioplayer.Utilities.milliSecondsToTimer(long)' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String dev.newaudioplayer.Utilities.milliSecondsToTimer(long)' on a null object reference	at dev.newaudioplayer.MainActivity$6.run(MainActivity.java:141)	at android.os.Handler.handleCallback(Handler.java:739)	at android.os.Handler.dispatchMessage(Handler.java:95)	at android.os.Looper.loop(Looper.java:152)	at android.app.ActivityThread.main(ActivityThread.java:5497)	at java.lang.reflect.Method.invoke(Native Method)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)