Please, use more (material) design conventions. For example, in stead of a button with text "Save" use a button with the check mark icon for that function.
I've created Epic #527 to collect all the steps this will take.
I'm not certain about the "Save" button. Google's calendar app uses a "Save" button as well. Their editor looks pretty "material" to me:
Please, use more (material) design conventions. For example, in stead of a button with text "Save" use a button with the check mark icon for that function.