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Creating a custom call handling application

Hi, I am looking to create a custom application to call.

ie I want to replace the default application processing call: S.

I AM SURE I WANT TO CHANGE WHEELS Sometimes current wheels are not suitable for me.

Can you put me on the starting line. I used to be married to an M $ .net developer, and I'm in love with gget.

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As already mentioned in Emmanuel, it is impossible to change the phone application without recompiling the operating system. Even on the root device, you are still locked in the vendor’s firmware and, at best, try to backtrack. Now you can receive notifications in certain types of events and preform actions, but I doubt that this is what you want to do.

However, for those who need to know what is happening under the hood, take a look here

For the exposed telephony interface (including SMS API) see android.telephony

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It is not possible to replace the phone application besides creating a custom operating system and installing it on root phones. But this is a lot of trouble.

But you can develop a standalone application and make phone calls or intercept incoming calls. But while the user is talking on the phone, he will still see the old phone application.

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