第一章 岗位核心能力模型拆解1.1 多设备开发技术栈Wear OS开发要点低功耗模式实现：PowerManager.WakeLock的梯度释放策略曲面屏适配方案：RoundShape布局与WatchFaceService服务class CustomWatchFace : WatchFaceService() { override fun onCreateEngine(): Engine { return object : Engine() { override fun onApplyWindowInsets(insets: WindowInsets?) { // 曲面屏边缘安全区域计算 val insetBottom = insets?.systemWindowInsetBottom ?: 0 canvas.clipRect(0, 0, bounds.width(), bounds.height() - insetBottom) } } } }TV开发核心机制焦点导航系统：android:foc