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Attaching a screenshot for better visibility. Android drawable preview plugin. This whole information is included in this Git Page. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams?
Collectives on Stack Overflow. Learn more. The XML can specify dithering for the image. A LayerDrawable is a drawable object that manages an array of other drawables. Each drawable in the list is drawn in the order of the list—the last drawable in the list is drawn on top. All drawable items are scaled to fit the size of the containing View, by default. Thus, placing your images in a layer list at different positions might increase the size of the View and some images scale as appropriate.
This ensures that none of the images are scaled to fit the size of the container, due to resizing caused by the offset images. A StateListDrawable is a drawable object defined in XML that uses a several different images to represent the same graphic, depending on the state of the object.
For example, a Button widget can exist in one of several different states pressed, focused, or neither and, using a state list drawable, you can provide a different background image for each state. You can describe the state list in an XML file. During each state change, the state list is traversed top to bottom and the first item that matches the current state is used—the selection is not based on the "best match," but simply the first item that meets the minimum criteria of the state.
Note: Remember that Android applies the first item in the state list that matches the current state of the object. So, if the first item in the list contains none of the state attributes above, then it is applied every time, which is why your default value should always be last as demonstrated in the following example. A Drawable that manages a number of alternate Drawables, each assigned a maximum numerical value. Setting the level value of the drawable with setLevel loads the drawable resource in the level list that has a android:maxLevel value greater than or equal to the value passed to the method.
Once this is applied to a View , the level can be changed with setLevel or setImageLevel. A TransitionDrawable is a drawable object that can cross-fade between the two drawable resources. No more than two items are supported. To transition forward, call startTransition. To transition backward, call reverseTransition. A drawable defined in XML that insets another drawable by a specified distance. This is useful when a View needs a background that is smaller than the View's actual bounds.
A drawable defined in XML that clips another drawable based on this Drawable's current level. You can control how much the child drawable gets clipped in width and height based on the level, as well as a gravity to control where it is placed in its overall container. Most often used to implement things like progress bars.
The following code gets the drawable and increases the amount of clipping in order to progressively reveal the image:. Increasing the level reduces the amount of clipping and slowly reveals the image. Here it is at a level of Note: The default level is 0, which is fully clipped so the image is not visible.
When the level is 10,, the image is not clipped and completely visible. Note: Every corner must initially be provided a corner radius greater than 1, or else no corners are rounded. If you want specific corners to not be rounded, a work-around is to use android:radius to set a default corner radius greater than 1, but then override each and every corner with the values you really want, providing zero "0dp" where you don't want rounded corners. Note: The shape scales to the size of the container View proportionate to the dimensions defined here, by default.
When you use the shape in an ImageView , you can restrict scaling by setting the android:scaleType to "center". Content and code samples on this page are subject to the licenses described in the Content License. App Basics. Build your first app.
App resources. Resource types. App manifest file. Device compatibility. Multiple APK support. Tablets, large screens, and foldables. Build responsive UIs. Build for foldables. Getting started. Handling data. User input. Watch Face Studio. Health services. Creating watch faces. Android TV. Build TV Apps. Build TV playback apps. Select a color from the icon Choose a new color.
Move left. Move right. Move up. Move down. Flip Flip horizontal. Flip vertical. Select a shape None. Rounded square. You have reached the icons limit per collection icons. Pinterest Facebook Twitter. Vector drawables are appropriate for simple icons and can reduce the size of your app.
A notification is a message that you can display to the user outside of the normal UI of your app. If your app supports Android 2. Later Android versions use the white icon that Image Asset Studio generates.
For more information, see Material Icons. You can import your own images and adjust them for the icon type. Image Asset Studio lets you type a text string in a variety of fonts, and places it on an icon. It converts the text-based icon into PNG files for different densities. You can use the fonts that are installed on your computer.
Note: If your app supports versions no higher than Android 7. After you open Image Asset Studio , you can add adaptive and legacy icons by following these steps:. Note: If your app supports Android 8. After you open Image Asset Studio , you can add a launcher icon by following these steps:.
In the Select Icon dialog, select a material icon and then click OK. The icon appears in the Source Asset area on the right side, and in the preview area at the bottom of the wizard. Image Asset Studio places the icon within a transparent square so there's some padding on the edges.
The padding provides adequate space for the standard drop-shadow icon effect. The Output Directories area displays the images and the folders where they will appear in Project Files view of the Project window.
Image Asset Studio adds the images to the mipmap folders for the different densities. After you open Image Asset Studio , you can add an action bar or tab icon by following these steps:. Image Asset Studio creates the icon within a transparent square so there's some padding on the edges.
Image Asset Studio adds the images in the drawable folders for the different densities. After you open Image Asset Studio , you can add a notification icon by following these steps:. Image Asset Studio adds the images in the drawable folders for the different densities and versions. You can normally refer to an image resource in a generic way in your code, and when your app runs, the corresponding image displays automatically depending on the device:.
The following Java code retrieves the image as a Drawable :. The getResources method resides in the Context class, which applies to UI objects, such as activities, fragments, layouts, views, and so on.
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