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I am developing an NFC-integrated Android Application using Android Studio.

I have 2 activities: one is about NFC Tag Reader and other is NFC Tag Writer. Everything works fine (Reader/Writer) when I the run app in my phone.

After that, I went to workspace\app\build\outputs\apk and see 2 apks here app-debug.apk | app-debug-unaligned.apk.

I saw a topic that said app-debug is a complete app. But when I install app-debug.apk then NFC Tag Writer does not work.

I removed and installed app-debug-unaligned.apk, this apk worked perfectly.

I tried to find on Google but nothing found. Anyone has an idea about this? Please tell me which part of my code for should be shown here to review.

P.S.: I tried adding keystroke but NFC Tag Writer still not work.

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Harry T.
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