This is used to create a complex shape that can then be attached as the background of a layout or a view on screen. The Shape Drawable is an XML file that defines a geometric shape, including colors and gradients. Let's explore these drawable file types one by one and take a look at examples of usage.
Vector Drawables - Defines complex XML-based vector images. 
NinePatch Drawables - A PNG file with stretchable regions to allow proper resizing. LayerList Drawables - Defines a list of drawables grouped together into a composite result. StateList Drawables - Defines a list of drawables to use for different states. Shape Drawables - Defines a shape with properties such as stroke, fill, and padding. There are at least 17 types of drawables but there are five that are most important to understand: Usageĭrawables can be an initially overwhelming topic because there are many drawable types used in different situations such as drawing shapes, setting state behaviors for buttons, creating stretchable button backgrounds and creating compound drawable layers. Drawables tend to be defined in XML and can then be applied to a view via XML or Java.įor a list of the default drawables for every version of Android, see the androiddrawables site as an excellent reference. 
This is typically used for customizing the view graphics that are displayed within a particular view or context. which can then be applied to views within an Activity.
Drawables are used to define shapes, colors, borders, gradients, etc. A drawable resource is a general concept for a graphic that can be drawn to the screen.
0 kommentar(er)
