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What's means NullPointerException ?

March 15, 2013 - 10:01pm #1

Hi all, sorry if my problem is so basicaly. :D

My app containts two menu button : Start and About. If i push start button, it will directly to IT class and if i push about button, i want to make it directly to my about class. That's my problem. In log cat, it shows that error : 

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.qualcomm.QCARSamples.MARI/com.qualcomm.QCARSamples.ImageTargets.About}: java.lang.NullPointerException

So, what should i do to fix that ? please help. :D :D

Thanks.

Warm Regards.

 

What's means NullPointerException ?

March 15, 2013 - 11:25pm #2

sori, i was wrong and shy. i think i just typo when i create the about class.hehe  XD

 

 

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