Audio - User Interaction - iOS - Human Interface Guidelines - Apple Developer Audio オーディオ People manipulate sound through the volume buttons, silence switch, headphone controls, and the onscreen volume slider. Many third-party accesso…

3D Touch - User Interaction - iOS - Human Interface Guidelines - Apple Developer 3D Touch 3Dタッチ 3D Touch adds an additional dimension to touch-based interaction. On supported devices, people can access additional functionality by applyi…