A Drawable resource is a general concept for a graphic which can be drawn. … In addition to graphical files, Android supports XML drawables and 9-patch graphics. XML drawables are used to describe shapes (color, border, gradient), state, transitions and more.
What do you mean by drawable in Android?
A drawable resource is a general concept for a graphic that can be drawn to the screen and which you can retrieve with APIs such as getDrawable(int) or apply to another XML resource with attributes such as android:drawable and android:icon . There are several different types of drawables: Bitmap File.
How do I know if my Android is drawable?
You are comparing a Drawable with an integer ( R. drawable. ic_favorite_border is an integer). On the other hand, to compare Drawables, you must use the object returned by the getConstantState() method.
How do I make my Android drawable?
As of API 21, you should use the getDrawable(int, Theme) method instead of getDrawable(int) , as it allows you to fetch a drawable object associated with a particular resource ID for the given screen density/theme . Calling the deprecated getDrawable(int) method is equivalent to calling getDrawable(int, null) . button.
What is difference between drawable and drawable v24?
Classic drawable resources such as images are stored in the drawable folder. In contrast, vector drawables are stored in drawable-v24 .
What is v24 in Android?
android. We have a drawable file already in drawable v21 also for ripple effect. So why we use drawable v24 when we are getting vector file already. Below is the xml File ic_launcher_foreground. xml.
What is the use of drawable folder in Android?
Drawables overview. When you need to display static images in your app, you can use the Drawable class and its subclasses to draw shapes and images. A Drawable is a general abstraction for something that can be drawn.
What is Android stroke?
Stroke (outline around the shape) Sometimes you want an outline around your shape and to do that you can use the stroke tag. You can specify the width and color of the outline using android:width and android:color.
How do you get drawable?
ContextCompat. getDrawable(getActivity(), R.drawable.name); You’ll obtain a styled Drawable as your Activity theme instructs. This is probably what you need.
What is a layout in Android?
Layouts Part of Android Jetpack. A layout defines the structure for a user interface in your app, such as in an activity. All elements in the layout are built using a hierarchy of View and ViewGroup objects. A View usually draws something the user can see and interact with.
What is Android ViewGroup?
A ViewGroup is a special view that can contain other views (called children.) The view group is the base class for layouts and views containers. This class also defines the ViewGroup. Android contains the following commonly used ViewGroup subclasses: LinearLayout.
What is an activity in Android?
An activity represents a single screen with a user interface just like window or frame of Java. Android activity is the subclass of ContextThemeWrapper class. If you have worked with C, C++ or Java programming language then you must have seen that your program starts from main() function.
How can I merge two Drawables in Android?
The first Drawable is a plus button (20×20 dp ) and the second one is a small dot (4×4 dp ) below the plus button. My first approach was to just add both Drawables to the LayerDrawable , but when I do that, the width/height attributes of the dot specified in the xml are ignored, and it stretches to cover the plus icon.