How to overcome app not installed error when building from Android Studio 3.0?

Question

For giving build for a debug Android app from Android Studio 3.0, it’s not installing in Mobile having Marshmallow and up (in Lollipop not tested).

I have used many

Answer 1

First try to generate the debug apk by below steps:

1. Goto Run
2. Edit Configurations
3. select + icon on the left side
4. Select Gradle
5. Click the Configuration tab if it is not selected in the right side
6. In Gradle project add your app as a gradle project
7. From the tasks select/set "assemble"
8. Press ok

Now run that configuration. you will have the debug apk ready in build/outputs/apk/app-debug.apk. Now install that apk in any device. It should work.