K-9 Mail for Android
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K-9 Mail is an open source email client for Android created by Jesse Vincent after he was dissatisfied with the default email app that came with Android. It has grown significantly since its creation and now has over 150,000 downloads and contributions from many developers. The document outlines how Jesse created K-9 Mail by making a small change to the existing Android email app source code and submitting it to the Android Market. It details how the project has evolved and how new developers can get involved by building it from source and submitting patches.
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K-9 Mail for Android
- 1. K-9 Mail for Android Jesse Vincent jesse@fsck.com
- 2. Hi!
- 3. I'm Jesse
- 4. I'm a Perl Hacker
- 5. Also, I like to break things
- 9. Email client
- 10. For Android
- 11. Why “K-9”?
- 12. My favorite mail client
- 13. mutt
- 15. K-9
- 17. + =
- 18. Didn't it come with a mail client?
- 19. No Search
- 20. No “stars”
- 21. No Self-Signed Certificate Support
- 22. No BCC-Self
- 23. No IMAP IDLE
- 24. No multi-select
- 25. No keybindings
- 26. No IMAP Deletes
- 27. I almost returned my new phone
- 28. It's Open Source
- 29. I could fix it
- 30. “How hard could it be?”
- 31. It's all Java
- 32. ..the last time I used Java...
- 33. I used Mosaic
- 34. Applets were new
- 35. Internet Explorer 1.0 was brand new
- 37. Java is supposed to be “easy” for newbies
- 38. How hard could it be?
- 39. So I got the code
- 43. --- a/src/com/android/email/MessagingController.java +++ b/src/com/android/email/MessagingController.java h @@ -455,13 +458,28 @@ public class MessagingController implements Runnable { for (Message message : remoteMessages) { Message localMessage = localUidMap.get(message.getUid()); if (localMessage == null || (!localMessage.isSet(Flag.X_DOWNLOADED_FULL) && + !localMessage.isSet(Flag.DELETED) && !localMessage.isSet(Flag.X_DOWNLOADED_PARTIAL))) { unsyncedMessages.add(message); } } } + for (Message message : localMessages) { + Message remoteMessage = remoteUidMap.get(message.getUid()); + // skip things deleted on the server side + if (remoteMessage != null && message.isSet(Flag.DELETED)) { + remoteMessage.setFlag(Flag.DELETED, true); + } + }
- 44. 8 loc
- 45. I'm done!
- 47. No Makefile
- 48. It's Java
- 49. No build.xml
- 50. “Just build the whole OS”
- 51. No
- 52. 10 Hours
- 53. Worked great in emulator
- 54. ...but not on a real phone
- 55. For “security”
- 56. What now?
- 57. Submit the change to Android?
- 58. I tried
- 59. They hadn't yet figured out the whole community thing
- 60. (It's gotten better)
- 61. I like to share
- 62. How to share?
- 63. Fork!
- 64. Fork the OS?!?!
- 65. What did it take to fork?
- 66. Google Code Project
- 68. What's next?
- 71. Pay $20 to become an Android Market Publisher
- 72. Submit a web form
- 73. Wait <10s
- 74. Profit!
- 75. Oh, wait
- 76. (It's free)
- 77. Jesse, [...] Please inform Motorola tech of this as they have recommended your program but disavow any knowledge of how to fix it, as you are 3rd party. They did though, suggest I contact godaddy, and they did give me your email, so they weren't completely useless. ALSO, IT WOULD BE HELPFUL IF YOU SOMEHOW HAD A PHONE NUMBER ON YOUR SITE, and an easier way to contact your tech people. M. A.
- 78. Writing end-user software is... different
- 80. Some:
- 81. But why couldn't you submit patches?
- 82. Most:
- 83. Awesome...
- 84. ...So, there's this feature I want...
- 85. K-9 Today
- 87. Authors (by commit count) ● 505 jessev ● 256 danapple0 ● 143 baolongnt ● 45 cketti ● 31 ismarc31 ● 17 young.bradley ● 16 brock.tice ● 5 dumbfile ● 4 tibbetts ● 2 sparrowhawk ● 1 yostinso++
- 89. They fix bugs
- 90. They help users
- 91. They make K-9 awesome
- 94. App Ecosystem
- 96. K-9 Data Killer
- 97. Email Popup
- 98. K-9 features
- 99. Updated UI
- 101. IMAP Push
- 102. Configurable polling
- 103. Multi-folder sync
- 104. “Stars”
- 106. Multi-select
- 108. Message Previews
- 110. BCC-Self
- 111. Signatures
- 112. Multiple Identities
- 113. CRAM-MD5 Auth
- 116. Keyboard shortcuts
- 117. Full-text search
- 118. Lots more!
- 119. Getting started hacking on K-9
- 120. Get the SDK
- 121. (It's free)
- 122. Linux, OSX or Windows
- 124. Create an “AVD”
- 125. android create avd --name Fone --target android- 7
- 126. Start the emulator
- 127. emulator -avd Fone
- 128. Checking out the code
- 130. Create a local.properties file
- 132. Building K-9
- 133. ant debug
- 134. Getting K-9 to your device
- 136. Send patches!
- 138. Time to get hacking!
- 139. Come hack on K9 at Frog Cafe tomorrow!
- 140. Thanks!
- 141. Questions? Jesse Vincent jesse@fsck.com