![]() ![]() The course allows kids to learn to code while expressing themselves on the computer, in addition to developing critical project management and problem-solving skills. Students will learn how to code, creativity, and problem-solving, in order to be future-ready. This course aims to teach kids the basics of Scratch coding. This course is ideal for students looking for an introduction to Scratch.ĭuration: 12 1-hours sessions, 2 classes per week. Kids can quickly learn the basics of this visual programming language and then apply their understanding via Scratch coding to make short animations, apps for video games, digital cards, and more. With this course, kids can practice coding skills and logic via basic building blocks to create projects that are shareable with virtually everyone. This course is suitable for kids that are particularly curious about game development. It uses the composable Canvas with the modifier property pointerInteropFilter which is used to detect down and upward movement of the path across the XY fun ScratchPad() įinally, your MainActivity should look like this.: 1.Coding Basics: Learn Scratch from Scratch Using the states of path color and brush it can detect movements from current to the next state. The last composable used is drawing Canvas which is used to listen to all the movements. The composable uses the path of type PathState to listen to all the drawings done on the screen. The paint body is used to define all the components used in drawing, that is the drawing canvas and drawing tool all placed in a layout box. Let us dive deeper into each composable used.Ī TopAppBar composable is used to create the app bar with the app name and an icon which is used for deleting errors. There are several composables used to create a scratchpad. Step 4 - Creating a scratchpad in the main activity Path state is a data class that holds the variables path, color, and stroke used in the implementation of the scratchpad. Initially, we talked about the path and said, the path is a Jetpack compose class that is used in conjunction with canvas to show compound geometric pathways made up of straight-line segments, quadratic curves, and cubic curves. The brush thickness is arranged in a column and it is given an animation property when the fab is clicked. The floating action button provides a way to choose brush thickness. This composable gives the capability to choose the color of interest when drawing and also gives the ability to apply the color to the text. All elements are arranged in a common layout that is the column. The drawing tool is a composable that comprises drawing color, brush and all components to be used in drawing. Kotlin is selected automatically as the language to be used, click OK after giving the project a suitable name. ![]() Choose an empty compose activity and click Next. To create a new project with the Android Studio IDE, go to File > New > New Project. Let’s create an application where users can draw sketches just like how a scratchpad works.
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