NPE after onClick

[DanielNovak]

I was clicking the button on the toast during the fade out animation and I got this:

  E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: net.simonvt.messagebar.samples, PID: 3073
java.lang.NullPointerException
        at net.simonvt.messagebar.samples.SampleActivity.onMessageClick(SampleActivity.java:67)
        at net.simonvt.messagebar.MessageBar$2.onClick(MessageBar.java:151)
        at android.view.View.performClick(View.java:4456)
        at android.view.View$PerformClick.run(View.java:18462)
        at android.os.Handler.handleCallback(Handler.java:733)
        at android.os.Handler.dispatchMessage(Handler.java:95)
        at android.os.Looper.loop(Looper.java:136)
        at android.app.ActivityThread.main(ActivityThread.java:5102)
        at java.lang.reflect.Method.invokeNative(Native Method)
        at java.lang.reflect.Method.invoke(Method.java:515)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
        at dalvik.system.NativeStart.main(Native Method)