I tried to install my first apk file on a device today and it failed with the above message. So I ran the key, jarsign and zipalign checks and it passed them all. After reading about Java problems, I then manually signed and zipaligned through the studio console and republished the app. The same error is still there. (I also uploaded the original apk file to Google Play yesterday. It's status is 'published' and there are no warning messages but it isn't available on the beta testing url.) Can anyone advise me on what to do next, please? Titanium SDK version: 3.1.0, Samsung Galaxy S
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