Logcat error description : Button launch crashes app

Question

There was some permission constraint in manifest file .... I removed it but the application still crashes on button click....Rest of the buttons are working great..... It starte

Answer 1

Error here, You have not declared in proper way

make it like this

Error in your package name your package name is hellog.diwesh.NugaBest but you declared in all activity like helog.diwesh.NugaBest change according to that.