Posts by Fabio Henrique Alves Fernandes • 1 point

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  Q: Android - java.lang.Nullpointerexception

  I’m making an application to send some characters by Bluetooth to an Arduino, however, I can not save the mac address of the module used. The mistake happens right here: EXTRA_ADDRESS =…

  java android

  asked 6 years, 7 months ago Fabio Henrique Alves Fernandes 1