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It's not a physical button. In material design language, the button rises up towards your finger.

• ethanbond 10y ago
  So it's a selectively applied metaphor aka arbitrary stylistic choices.
  • SippinLean 10y ago
    Are you aware that Material Design uses consistently applied metaphors and adheres to a style guide? That's the opposite of both of those.
    • ethanbond 10y ago
      "Consistently applied metaphors" except for where they don't want to be consistent. Copy/pasting from another comment of mine, quotes from the manifesto: > The material is grounded in tactile reality, inspired by the study of paper and ink, yet technologically advanced and open to imagination and magic. "It's grounded in reality... but not!" > Surfaces and edges of the material provide visual cues that are grounded in reality... Yet the flexibility of the material creates new affordances that supercede those in the physical world, without breaking the rules of physics. "Except for rules of physics like things moving against the force applied to them, or shadows changing without the light source, object, or perspective changing." > The fundamentals of light, surface, and movement are key to conveying how objects move, interact, and exist in space and in relation to each other. Realistic lighting shows seams, divides space, and indicates moving parts. "Except where we decide we don't want to be realistic."
      • SippinLean 10y ago
        It's grounded in reality, not bound by it. If you familiarize yourself with MD you'll realize the edge cases you tried to come up with have been covered and explained; it's not a contradiction.
• Swizec 10y ago
  But I'm pressing down on the screen with my finger. Physically. Or am I not touching the button? That seems weird considering my finger is literally on the button.