Vị trí file: res/drawable/filename.xml
Lớp sử dụng: LevelListDrawable
Gọi sử dụng:
- In Java:
R.drawable.filename
- In XML:
@[package:]drawable/filename
Cú pháp:
<level-list xmlns:android="http://schemas.android.com/apk/res/android" > <item android:drawable="@drawable/drawable_resource" android:maxLevel="integer" android:minLevel="integer" /> </level-list>
Thành phần:
maxLevel
, minLevel – Giới hạn Level mỗi Drawable
Sử dụng:
Tạo file xml:
<!-- language: lang-xml --> <level-list xmlns:android="http://schemas.android.com/apk/res/android" > <item android:drawable="@drawable/status_off" android:maxLevel="0" /> <item android:drawable="@drawable/status_on" android:maxLevel="1" /> </level-list>
đặt background View
, đổi Level bằng hàm setLevel()
hay setImageLevel()