Help with android studio

Supporting Java SE version 7 and up
monoloco
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Help with android studio

Postby monoloco » Sun Jul 12, 2020 4:06 pm

Hello everyone, can someone help me with this problem, I am trying to make an application in android studio, using the example that is on the page, but when trying to run the application I get the following error, I think it is an error library, but I think I installed it correctly.
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error.png

jdecoux
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Re: Help with android studio

Postby jdecoux » Mon Jul 13, 2020 12:02 pm

It looks as though you have a null pointer exception on ch1. You need to create the object before you can use it:

Code: Select all

ch1 = new VoltageInput();


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