android - Have trouble with app-debug.apk when app-debug-unaligned.apk is not -

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i developing nfc-integrated android application using android studio.

i have 2 activities: 1 nfc tag reader , other nfc tag writer. works fine (reader/writer) when run app in phone.

after that, went workspace\app\build\outputs\apk , see 2 apks here app-debug.apk | app-debug-unaligned.apk.

i saw topic said app-debug complete app. when install app-debug.apk nfc tag writer not work.

i removed , installed app-debug-unaligned.apk, apk worked perfectly.

i tried find on google nothing found. has idea this? please tell me part of code should shown here review.

p.s.: tried adding keystroke nfc tag writer still not work.


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