How to use an existing .obj file instead of drawing objects in code

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Java

Mobile

Android

Hi, i am wondering, can one use an already created graphic in a .obj file in java? For example, below is code that creates a ball, instead of doing this, i want to use the graphic as the ball, its a 3d football and i want to use it for a tilt football game im making at the moment. Im pretty new to android, very new to .obj and new enough to java so every bit of help is really appreciated.

Code:

public class BallView extends View {

	public float mX;
    public float mY;
    private final int mR;
    private final Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    
    //construct new ball object
    public BallView(Context context, float x, float y, int r) {
        super(context);
        //color hex is [transparency][red][green][blue]
        mPaint.setColor(0xFF00FF00); //not transparent. color is green
        this.mX = x;
        this.mY = y;
        this.mR = r; //radius
    }
    	
    //called by invalidate()	
    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        canvas.drawCircle(mX, mY, mR, mPaint);
    } 
}

So as mentioned above, i dont want a green dot/ball, i want my soccer ball graphic which is in a .obj file.

Thanks
Anto