Hi, I've done a project using FingerPaint. You could look at it : https://github.com/jrm2k6/ElectronicCalendar
Best, On Oct 31, 9:56 pm, Hassy <[email protected]> wrote: > Hello, > > I'm trying to create a finger paint application using surfaceview. > I have tried and able to paint on the screen using view but when I use > surfaceview > ,I can't draw on the screen. > > can anybody tell me how to solve this problem. > > CODE > > Main Activity > > public class MainAct extends Activity { > DrawView drawView; > @Override > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > // Set full screen view > > getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, > WindowManager.LayoutParams.FLAG_FULLSCREEN); > requestWindowFeature(Window.FEATURE_NO_TITLE); > > drawView = new DrawView(this); > setContentView(drawView); > drawView.requestFocus(); > } > > } > > DrawView.class > > public class DrawView extends SurfaceView implements > SurfaceHolder.Callback{ > private static final String TAG = "DrawView"; > > List<Point> points = new ArrayList<Point>(); > Paint paint = new Paint(); > Thread mainLoop = null; > > public DrawView(Context context) { > super(context); > > getHolder().addCallback(this); > setFocusable(true); > setFocusableInTouchMode(true); > paint.setAntiAlias(true); > paint.setColor(Color.WHITE); > paint.setAntiAlias(true); > } > public void doDraw(){ > Canvas canvas = getHolder().lockCanvas(); > canvas.drawColor(Color.BLACK); > canvas.drawCircle(50, 50, 50, paint); > for (Point point : points) { > canvas.drawCircle(point.x, point.y, 25, paint); > // Log.d(TAG, "Painting: "+point); > > } > getHolder().unlockCanvasAndPost(canvas); > } > > @Override > public void surfaceChanged(SurfaceHolder holder, int format, > int > width, > int height) { > // TODO Auto-generated method stub > > } > > @Override > public void surfaceCreated(SurfaceHolder holder) { > // TODO Auto-generated method stub > Log.d(getClass().getName(), "surfaceCreated"); > doDraw(); > } > > @Override > public void surfaceDestroyed(SurfaceHolder holder) { > // TODO Auto-generated method stub > > } > @Override > public boolean onTouchEvent(MotionEvent event) { > // if(event.getAction() != MotionEvent.ACTION_DOWN) > //return super.onTouchEvent(event); > Point point = new Point(); > point.x = event.getX(); > point.y = event.getY(); > points.add(point); > Log.d(TAG, "point: " + point); > return super.onTouchEvent(event); > } > } > > class Point { > float x, y; > > @Override > public String toString() { > return x + ", " + y; > } > } > > Thank you > Hassy -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
