Please swap these two buttons: "save" and "discard activity" (mobile app). When completing activities manually, it is natural to complete all information from top to bottom to finally confirm your activity. A natural movement of your finger, before reading the information on the button, is to click the button below the text to confirm. The delete button should be in the upper right corner so that you don't click it by accident. I can't count how many times I have deleted my activity by accident, just because the button is unintuitive. Please do UX research and change it.
