Posts by William Batista • 1 point
2 posts
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viewsQ: Print negative line DPP-450 Datecs Escpos
I’m starting a project on this printer (DPP-450), and I came across a problem that I’m unable to solve: I need to print a negative line, black background and blank writing. In the manual this "GS B"…
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viewsQ: Retrieve information from a Dialog via Activity
Good afternoon, in my project I need to open a search screen to recover an object in a list, until here everything right. Before trying to use Dialog I was using Alertdialog that was serving me very…