Application Installation Failed in Android Studio

Question

Yesterday my app was running perfect from Android Studio but today when I started working on my app and running it i am getting error message continuously

Answer 1

Change your applicationId in the android/app/build.gradle file.

For example:

// Change this
applicationId "com.example.myAndroidApp"
//
// to this
applicationId "com.example.somethingElse"

Then Sync your gradle then you can able to install your app, if the previous applicationId is your production id the again change it the previous one now the device will allow to install the app.

Hope this may help you....