Can't upload Android app to device (stale dexed jars)

Question

I am using Android Studio to develop this app, and today when I tried to upload it to my device to test I got a popup window saying:

Installation fail

Answer 1

I have tried followings

• increasing the RAM
• increasing the storage of emulator
• removing and adding emulator
• invalidate cache and restart

but nothing work.

However, deleting the actual emulator file did trick for me.

You can find the emulator files at this location.

C:\Users\\.android\avd

Thanks.