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Opera Extensions Development Discussions

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topic closed sticky Getting started developing extensions for Opera: Tutorials, documentation, and APIs

Last post by daniel. go

Feb 16 at 13:31

 0 365 daniel

Feb 16 at 13:31
no new Some questions about extensions developing

Last post by soarhawk. go

Today at 6:00

 0 15 soarhawk

Today at 6:00
no new Change User Agent In Post

Last post by keygenx. go

Tue at 8:51

 2 90 opticyclic

Sun at 21:37
no new Opera's extension ratings calculated wrong?

Last post by Nippey. go

Mon at 8:57

 2 87 Nippey

Sat at 19:51
no new Specify Site URL For Extension In Options

Last post by opticyclic. go

Mon at 8:25

 0 26 opticyclic

Mon at 8:25
no new Is it possible to add a custom menu item into context menu using extension code.

Last post by opticyclic. go

Fri at 22:09

 3 212 Yanderer

Apr 22 at 19:24
no new Bug or misunderstanding?

Last post by christoph142. go

Fri at 9:19

 1 153 christoph142

May 14 at 19:35
no new Right click mouseup event with mouse gestures problem

Last post by mpkstroff. go

May 16 at 20:44

 6 180 mpkstroff

May 15 at 1:11
no new Can an extension add a URL to history (thus marking it visited, turning the link purple?)

Last post by christoph142. go

May 16 at 19:33

 1 264 honestbleeps

May 2 at 23:48
no new Opera link - synchronising extensions

Last post by Spectatorx. go

May 16 at 14:12

 2 91 Spectatorx

May 16 at 8:00
no new defineMagicFunction for the same function from two different Extensions?

Last post by Nippey. go

May 14 at 7:42

 1 116 Nippey

May 13 at 12:03
no new Quick tip: keep your extension out of Speed Dial thumbnails

Last post by QuHno. go

May 13 at 16:08

 3 414 daniel

Feb 5 at 16:11
no new Extension's popup window doesn't show silverlight page

Last post by spadija. go

May 13 at 0:13

 5 232 dmlittle

May 10 at 10:00
no new Extension deleted by mistake

Last post by Akira. go

May 10 at 12:11

 2 120 Akira

May 10 at 7:54
no new Installing extension from setup file.

Last post by spadija. go

May 9 at 2:16

 2 186 dmlittle

May 2 at 9:14
no new Adding an extension in developer mode *without* drag & drop

Last post by Carpetsmoker. go

May 7 at 19:02

 0 87 Carpetsmoker

May 7 at 19:02
no new Why is stuff so often wrapped in event listeners?

Last post by spadija. go

May 4 at 12:36

 3 164 DoTheEvo

May 3 at 19:11
no new How to open window without tabs in it?

Last post by spadija. go

May 4 at 2:54

 4 234 dmlittle

Apr 28 at 15:52
no new File and folder structure of an extension?

Last post by drworm. go

May 3 at 21:20

 2 135 drworm

May 3 at 9:12
no new Opera 12 Beta - New Tab APIs

Last post by peroo. go

May 3 at 14:12

 6 820 d4n3

Apr 26 at 7:08
no new Access file inside extension via widget://

Last post by spadija. go

Apr 30 at 14:45

 18 1233 athlon1989

Feb 7 at 19:15
no new Hooking into Opera's Session feature with an extension

Last post by TWeaKoR. go

Apr 28 at 8:33

 9 802 TWeaKoR

Feb 7 at 23:38
no new How Do I Update The Description On My Extension Page

Last post by spadija. go

Apr 25 at 6:15

 1 151 opticyclic

Apr 25 at 0:38
no new How to remove popup?

Last post by santex79. go

Apr 18 at 9:03

 16 2908 belykh

Jun 1 2011
no new postMessage is not a function - background.js

Last post by spadija. go

Apr 16 at 1:55

 1 221 jfk2k

Apr 15 at 16:30
no new How to add my item in Opera Browser File Menu with my Opera Extension?

Last post by spadija. go

Apr 3 at 17:48

 1 200 heyaab

Apr 3 at 6:43
no new opera.extension.postMessage() from options page

Last post by spadija. go

Mar 27 at 22:24

 3 344 SailorMax

Mar 26 at 9:54
no new Error with DOMParser

Last post by jesus2099. go

Mar 27 at 15:34

 8 1003 m0I0m

Jul 7 2011
no new URL on the settings

Last post by diman-x. go

Mar 26 at 17:14

 4 445 diman-x

Mar 23 at 1:07
no new Two issues while finishing my extention

Last post by DoTheEvo. go

Mar 24 at 18:02

 2 343 TheEvolutionBaby

Mar 12 at 23:54
no new The Best Way to Translate an Extension

Last post by cyberstream. go

Mar 23 at 23:24

 2 322 cyberstream

Mar 23 at 5:03
no new About a simple extension and javascript

Last post by daniel. go

Mar 22 at 8:55

 1 323 fwins

Mar 22 at 2:26
no new Height 100% - Speed Dial extension

Last post by d4n3. go

Mar 19 at 9:04

 6 482 zolv

Mar 11 at 23:11
no new Problem with my speed dial extension.

Last post by daniel. go

Mar 14 at 12:01

 2 433 summoner1

Feb 4 at 13:21
no new Some questions: opera.extension.tabs, geolocation, notifications, popups

Last post by peroo. go

Mar 13 at 13:32

 2 376 Frantsev

Mar 12 at 8:32
no new How much time will be checked extension?

Last post by peroo. go

Mar 13 at 13:16

 1 273 maza51

Mar 10 at 20:45
no new opera message

Last post by TheEvolutionBaby. go

Mar 11 at 19:22

 3 386 maza51

Mar 6 at 14:16
no new how can I detect when my popup is closed?

Last post by pdarko. go

Mar 10 at 14:30

 1 261 honestbleeps

Mar 10 at 8:22
no new Hide page before it loads

Last post by pdarko. go

Mar 10 at 12:24

 3 421 kapsi

Mar 1 at 21:17
no new location of the button

Last post by d4n3. go

Mar 9 at 7:55

 2 350 maza51

Mar 7 at 22:52
no new ID extentions in CSS

Last post by diman-x. go

Mar 8 at 17:03

 4 359 diman-x

Mar 8 at 1:54
no new Interact with tabs without a js file in includes

Last post by Dreyks. go

Mar 7 at 15:53

 5 481 iModus

Mar 4 at 16:50
no new animating the extension button, is it possible?

Last post by spadija. go

Mar 7 at 2:48

 2 375 Dreyks

Mar 5 at 11:59
no new Injection of OBJECT element into XHTML page

Last post by pricegoblin. go

Mar 6 at 7:39

 0 238 pricegoblin

Mar 6 at 7:39
no new Using variables in the popup-window's dimmensions

Last post by spadija. go

Feb 29 at 2:16

 4 549 TheEvolutionBaby

Feb 26 at 2:29
no new Possible extension website bug

Last post by torgeilo. go

Feb 27 at 15:14

 1 304 pricegoblin

Feb 27 at 10:51
no new Using Opera OAuth API with my extension

Last post by metude. go

Feb 24 at 18:26

 1 401 cyberstream

Feb 18 at 5:14
no new extension update question

Last post by pricegoblin. go

Feb 23 at 12:33

 2 402 pricegoblin

Feb 22 at 15:26
no new Popup open and close methods

Last post by daniel. go

Feb 21 at 23:05

 3 539 athlon1989

Feb 10 at 15:46
no new Can't submit extension - any ideas

Last post by torgeilo. go

Feb 20 at 14:24

 1 318 pricegoblin

Feb 20 at 13:16

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