What is the reason for the error “Device supports x86, but APK only supports armeabi-v7a”

Question

I am playing around with Android Studio by testing some projects out from GitHub and when I try to emulate the apk, it does not let me choose an emulator.

It tells m

Answer 1

If you use Ubuntu:

1. make sure that usb debugging is ON
2. check your cable connection
3. on notification bar check android system notification and touch it for change charging state to file transfer
4. now go terminal and type: adb devices after run this command adb restart and your device show in list