Android K9 (open source) email app - use AES256 to encrypt emails stored locally

** Please only reply to this if you are an extremely good Android developer for complex apps.

Prefer you know the K9 Github open source email app. At least download and look at it first.

This job requires someone with a lot of good working knowledge and Android experience, not just simple apps.

** K9 is an open source email app available on Github.

This task is to encrypt "selected" emails and move them into a local SQLite database using AES256. Attachments for those emails will also be encrypted to a secure folder.

Then when these emails are to be read, decrypt them for display.

I will supply the encryption Libraries. Simple to use. I will answer any questions you have in more detail during a conversation.

You must have a minimum of 3+ years of "complex" app development, not just simple nonsense apps.

** Please - do not bid fake amounts - that you will alter later. Bid what you want to charge. Time frame 5 days a Max, Bonus paid for 3 days completion.


Evner: Android, Java, Mobile App Development

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Om arbejdsgiveren:
( 242 bedømmelser ) Sydney, Australia

Projekt ID: #17334574

8 freelancere byder i gennemsnit $241 på dette job


Dear client, Thanks for your attention. I am a talented android and iOS app developer. I will like to work on your project and deliver the project. I have developed many applications involving various functionaliti Flere

$261 USD in 3 dage
(153 bedømmelser)

Dear Sir, I have read your project description. I have done similar projects in past. I have better understanding of AES Encryption. Please come to private chat to discuss in detail. I am a Professional Android Flere

$488 USD in 10 dage
(74 bedømmelser)

Hi, AFAIK , the k9 mail stores all emails in the local storage by default except big files.. I can try to do your job I have good experience with k9 but I don't promise to do it in 5 days.. What about the big attachm Flere

$244 USD in 10 dage
(29 bedømmelser)

Hi there..... Warm Greetings We came along with your request for Android K9 (open source) email app and we reviewed your project description. We'd like to help you with confidence and satisfying results... We Flere

$250 USD in 5 dage
(13 bedømmelser)

Hello I have good skills in android java programming with 5 years of experience. I have developed 20+ apps so far and you can see apps that I developed in the recent. [login to view URL] Flere

$222 USD in 3 dage
(10 bedømmelser)

Hello there, I would like to work with you on this project. Please let me know when can we discuss further.

$166 USD in 5 dage
(6 bedømmelser)
$222 USD in 3 dage
(0 bedømmelser)
$77 USD in 4 dage
(0 bedømmelser)