If dekko is installed, clicking this icon will launch dekko. There is no support in gmail yet for mailto urls, and that's what needs to be added.
But note, the related bug of https://bugs.launchpad.net/canonical-devices-system-image/+bug/1370008. The user should be notified if there are no apps available to handle a given url scheme. There is already a UI design for that and it needs to be implemented. ** Changed in: address-book-app Status: New => Invalid ** Changed in: address-book-app (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to address-book-app in Ubuntu. https://bugs.launchpad.net/bugs/1470309 Title: The e-mail icon is no response after tap on it Status in Address Book App: Invalid Status in Ubuntu UX bugs: New Status in The Webapps-core project: Triaged Status in Webapps Team Task Tracking Project: Triaged Status in address-book-app package in Ubuntu: Invalid Bug description: $ system-image-cli -i current build number: 41 device name: arale channel: ubuntu-touch/rc-proposed/meizu.en last update: 2015-06-30 06:35:30 version version: 41 version ubuntu: 20150630 version device: 20150608-6e66f3c version custom: 20150602-731-5-32 Reproduce Steps: Reproduce steps: Prerequistes: There should be a contact in the contacts app,and it's need contains e-mail address 1,Enter the contacts app 2,Tap on the contact to enter the detail of contact 3,Tap on the e-mail icon Expect Result : It's can be open the gmail application Actual Result : The button is no response after tap on it To manage notifications about this bug go to: https://bugs.launchpad.net/address-book-app/+bug/1470309/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp