The business need is: I have a Gallery which are store all my tickets, if I click in an item info button it opens the ticket which is stored by a form. The idea is if you click on the Start button the timer starts to run, and if you go back to the gallery screen to click another ticket to start again the timer you can store all the hold time, the only way to stop the timer and at the same time submit the form to save the values it stores is if you click on the "Stop" button, however, when I close the tab of the App and I go to the ticket I started the time, the time is reset, or if I go back and try to open another ticket and then I go back to the ticket I started the timer the time is reset,
Is there anybody can help me with this? I tried to seek for an answer or a video on Youtube, but there is no information about this.
Thanks!

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