To release a app into Google play store you need to sign the Android apk file. If you are using Intel XDK to build a app then its very easy to sign the apk.
Before we sign our apk file we need to make sure we have Java installed. If you have it installed then proceed to next step.
Signing APK File
Go to your Projects -> Select your project -> Click build settings and make sure you have filled all the fields. And also make sure you have unchecked “Signed”.
Now you need to build the Intel XDK project and download the apk file.
Now you need to run this command to generate a keystore file which will be used to sign the apk file.
Don’t forget to change the alias_name and key_file_name of your wish.
Now you need to run this command to attach the keystore file to the generated apk file.
Don’t forget to change alias_name, key_file_name and my_application names.
The image shows how all commands are runned.
Now you have created a signed apk.
Its recommended that you should always optimize your signed apk file before releasing into app store.
With just one line command you can optimize your apk file