This code inside draw () doesn't work:

How to draw canvas in android. How to draw, handled by paint. Drawable d = getresources().getdrawable(r.drawable.foobar, null); This fills the canvas with a single color.

Web canvas api in android is a drawing framework which helps us to draw custom design like line, circle or even a rectangle. Web if all you need is a composable that draws, you can use the canvas composable. Web there are two ways to define and instantiate a drawable besides using the class constructors:

It draws an bitmap on canvas. A bitmap or a view — to hold the pixels where the canvas will be drawn. Using these we can make any shape whichever we want according to design.

This will work with all kinds of drawables, not only bitmaps. Canvas — to run the drawing commands on. The left side of the rectangle to be drawn.

Web the good way to draw a drawable on a canvas is not decoding it yourself but leaving it to the system to do so: Inflate an xml resource that defines the drawable properties. Canvas.drawcircle (x, y, radius, paint);

The paint used to draw the rect. It draws a bitmap using a mesh. For example, canvas provides a method to draw a line, and paint provides methods to define that line's color.