#### 本章主要內容： - 討論動態壁紙的實現。 - 在動態壁紙的基礎上討論靜態壁紙的實現。 - 討論WMS對壁紙窗口所做的特殊處理。 #### 本章涉及的源代碼文件名及位置： - WallpaperManagerService.java `frameworks/base/services/java/com/android/server/WallpaperManagerService.java` - WallpaperService.java `frameworks/base/core/java/android/service/wallpaper/WallpaperService.java` - ImageWallpaper.java `frameworks/base/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java` - WallpaperManager.java `frameworks/base/core/java/android/app/WallpaperManager.java` - WindowManagerService.java `frameworks/base/services/java/com/android/server/wm/WindowManagerService.java` - WindowStateAnimator.java `frameworks/base/services/java/com/android/server/wm/WindowStateAnimator.java` - WindowAnimator.java `frameworks/base/services/java/com/android/server/wm/WindowAnimator.java`