how do I draw line when moving finger across screen in iPhone using core graphics.
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how do I draw line when moving finger across screen in iPhone using core graphics.
You need to handle the touch events:
on touches began:
record the point & save it in an instance variable
on touches moved:
record the new ending point & save it in an instance variable
With these 2 points you can create a path & use Coregraphics to draw the path