Android Lollipop (Material 1.0)

Android Lollipop introduced Material Design 1.0 in November 2014 — Google's first unified visual language built on the metaphor of layered paper sheets casting real shadows. Every surface has a z-elevation measured in density-independent pixels, every interaction triggers an expanding ink ripple, and saturated 500-series primaries pop against pure white cards.

The system is defined by its physicality: components behave like cut paper with mass and momentum, shadows are mathematically precise (not decorative), and Android Green #3DDC84 anchors the brand across a palette of bold, unapologetic color.

2014年11月，Android Lollipop 带来了 Material Design 1.0——谷歌首个统一视觉语言，以层叠纸张投射真实阴影为核心隐喻。每个界面元素都拥有以dp为单位的z轴高度，每次触摸都会触发扩散的墨水涟漪动画，饱和的500色阶主色在纯白卡片上鲜明跳跃。

这套设计体系的灵魂在于物理感：组件如同有质量和动量的剪纸，阴影精确而非装饰性，Android绿 #3DDC84 贯穿整个品牌色板，大胆、直率、毫不妥协。