I am trying to learn some more about gestures and graphics in Android, so I am trying to make a sort of game where you start with a ball (just a red circle) in the middle of the screen, and if you swipe in a direction, the ball will be launched in that direction, bouncing of the screen etc. Now, I have succeeded in detecting when somebody swipes in a certain direction, and currently I just display the direction on the screen. My question is: how do I continue? How can I draw the ball, make the user able to move it and make it bounce off the sides of the screen? I think I need to use onDraw somehow, but I’m not sure.
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There’s a guy with similar problem, he has managed to get circles going around the screen and bouncing from the edges, you may use his code as a basis for your drawing and animation routines: Moving circles in android