經安全檢測,此網站為安全網站,請放心前往原始網址!

Layouts | Android Developers

A layout defines the visual structure for a user interface, such as the UI for an activity or app widget . You can declare a layout in two ways: The Android framework gives you the flexibility to use either or both of these methods for declaring and manag

developer.android.com

網址安全性掃描由 google 提供