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  • How to make Animate a Bitmap app

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    In the below example I have created Animate Bitmap program. By using animated bitmap function we will get the position and distance along a path. In below, code will animate image on screen. In my below code I have clearly describe how to make Animate a Bitmap app.

    Step(1)MainActivity-

    public class MainActivity extends Activity {
    
        animate var;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            var = new animate(this);
            setContentView(var);
        }
    
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            // Inflate the menu; this adds items to the action bar if it is present.
            getMenuInflater().inflate(R.menu.menu_main, menu);
            return true;
        }
    
    }
    

    Step(2)-Create a animate class-

    public class animate extends View {
    
        Bitmap bm;
        int x, y;
        public animate(Context context) {
            super(context);
            // TODO Auto-generated constructor stub
            bm= BitmapFactory.decodeResource(getResources(), R.drawable.img1);
            x = 0; y = 0;
        }
    
        @Override
        protected void onDraw(Canvas canvas) {
            // TODO Auto-generated method stub
            super.onDraw(canvas);
            Rect myrect = new Rect(0, 0, canvas.getWidth(),canvas.getHeight()/2);
            Paint pa = new Paint();
            pa.setColor(Color.BLUE);
            pa.setStyle(Paint.Style.FILL);
            canvas.drawRect(myrect, pa);
    
            if (x < canvas.getWidth()) {
                x += 10;
            }
            else {
                x = 0;
            }
            if (y < canvas.getHeight()) {
                y += 10;
            }
            else {
                y = 0;
            }
            canvas.drawBitmap(bm, x, y, new Paint());
            invalidate();//calls this method again and again
        }
    
    }
    

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