I've been writing several Android applications lately (Video, Scribbler, FileBrowser) with the Flash Builder 4.5 (Burrito) preview release. During the process of uploading one *.apk file I can across an error within the Android Market form. Well, it wasn't a real error per se, more or less an oversight from me. The error stated:
"Market requires that the certificate used to sign the apk be valid until at least October 22, 2033. Create a new certificate."
This is a requirement which I had overlooked. By default, creating a certificate via Flash Builder (File > Export > Release Build) will not work as it is not valid for the length required by the Android Marketplace.
I set out to make a proper certificate however there was not a lot of very current information available. After a lot of searching, I found the answer right in front of me. Using the AIR 2.5 SDK, you can create a self signed certificate using the line command tool. If you have the same issue, follow these instructions:
That's pretty much it. You can use this to sign your applications in a variety of ways, depending on which development tools you use. For Adobe Flash Builder 4.5, you can reference this certificate during the release process as shown below.
"Market requires that the certificate used to sign the apk be valid until at least October 22, 2033. Create a new certificate."
This is a requirement which I had overlooked. By default, creating a certificate via Flash Builder (File > Export > Release Build) will not work as it is not valid for the length required by the Android Marketplace.
I set out to make a proper certificate however there was not a lot of very current information available. After a lot of searching, I found the answer right in front of me. Using the AIR 2.5 SDK, you can create a self signed certificate using the line command tool. If you have the same issue, follow these instructions:
- If not done already, download and save the Adobe AIR 2.5 SDK from http://www.adobe.com/products/air/sdk/
- With a line command tool, navigate to the
/bin directory.
- Copy and paste the following command, replacing the values in braces
with your own values.
./adt -certificate -cn (duaneallannickull) -ou (adobesystems) -o (sharkwithfrigginglaserbeamsinc) -c (CA) -validityPeriod 25 2048-RSA (./androidsigner.p12) (password)
The country code must be in upper case characters and correspond to an ISO country code. For example, this is what I entered to create mine:
./adt -certificate -cn duaneallannickull -ou adobesystems -o sharkwithfrigginglaserbeamsinc -c CA -validityPeriod 25 2048-RSA ./androidsigner.p12 password
- Now enter the command "dir" (Windows) or "ls" (Linux || Unix) and you should see your certificate. A screenshot is below.
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