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Home/ Questions/Q 6809261
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Editorial Team
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Editorial Team
Asked: May 26, 20262026-05-26T20:03:54+00:00 2026-05-26T20:03:54+00:00

I used following code to move a image it works fine but while moving

  • 0

I used following code to move a image it works fine but while moving the image not perform a smooth moving. Can anyone find the problem in my code?

 handler = new Handler(); 
    t = new Timer(); 
    t.scheduleAtFixedRate(new TimerTask() { 
            public void run() { 
                    handler.post(new Runnable() { 
                            public void run() { 

                                if(left<=400){

                                 left=left+1;

                                     RelativeLayout.LayoutParams rp = new RelativeLayout.LayoutParams(
                                                new ViewGroup.MarginLayoutParams(
                                                        RelativeLayout.LayoutParams.WRAP_CONTENT,
                                                        RelativeLayout.LayoutParams.WRAP_CONTENT));
                                                 rp.setMargins(left, top, 0, 0);
                                                 Train.setLayoutParams(rp);

                                }else{
                                    Toast.makeText(getApplicationContext(), "Toast completed", Toast.LENGTH_SHORT).show();
                                t.cancel();
                                }

                            } 
                    }); 

            } 

    }, 0,30); 
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  1. Editorial Team
    Editorial Team
    2026-05-26T20:03:55+00:00Added an answer on May 26, 2026 at 8:03 pm

    TimerTask and Threads are not good choice for consistent UI changes.

    1. Create CustomView by entending SurfaceView .

    2. Manage some class variables for position of views.

    3. In onDraw() create view and update variables for next positioning .

    4. Wherever want to refresh manually, call invalidate.

    Follow this tutorial for more help .

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