Bosses can help solve this error is any reason
App on the virtual machine to run a few times and he suddenly showed cannot run
Checked many blogs but could not find the solution

This is an error message:


The app shows information:


Fell on the starting line is too difficult, begged to know why bosses to give directions!!!! Thank you very much!!!!!

CodePudding user response:

Something is not defined, null pointer exception

CodePudding user response:

The moment you put your APP's collapse, look at the error message in LogCat

CodePudding user response:

Not collapse, god also can not help your brother