application combo

Hi Android experts

We have to two medium scale projects ProjectA , ProjectB on google play.

ProjectB is actually an image utility used by ProjectA. When user press "Insert Img" option, it checks first if ProjectB is installed else it message to user to download projectB.

We observed users do not like to download second software and stop using projectA.
We are not thinking two possibilities and wonder if you guide us how can we achieve this.

1- make someway on google play so by installing one application, second application auto install.
means if user download and install ProkectA, projectB must install

2- merge ProjectB in projectA.
Is there any way to include whole projectB in projectA.
cheezal luhanaAsked:
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Chris Harte2015 Top Expert (Most Article Points)Commented:
Regardless of your reasons, asking users to install a second app will look like malware or viral behaviour. Personally I can think of no legitimate reason for having two separate apps to do one job. Combine the two into a single product. It is what intents were invented for.
cheezal luhanaAuthor Commented:
Thanks,
Is there any way to combine these two applications ? there are many files with same names.
Chris Harte2015 Top Expert (Most Article Points)Commented:
That is the job of your developer. However, you should be using either Eclipse or Android Studio, both of which have a rename function.

In package explorer, right click on the file name->refactor->rename

This will rename all instances of the file throughout the project
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cheezal luhanaAuthor Commented:
Thanks again for your guide.

What second option we are thinking is to make ProjectB as a library  like dll and maintain same software as individual too.

I read on .aar files but when I tried to convert my project there were errors.
Chris Harte2015 Top Expert (Most Article Points)Commented:
This is the manual on turning an existing project into a library

http://developer.android.com/tools/projects/projects-eclipse.html#SettingUpLibraryProject

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Chris Harte2015 Top Expert (Most Article Points)Commented:
The answers addressed the problems raised
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