ImageView iconView = new ImageView(this);
iconView.setImageResource(R.drawable.ic_launcher);
mMagnet = new Magnet.Builder(this)
        .setIconView(iconView) // required
        .setIconCallback(this)
        .setRemoveIconResId(R.drawable.trash)
        .setRemoveIconShadow(R.drawable.bottom_shadow)
        .setShouldFlingAway(true)
        .setShouldStickToWall(true)
        .setRemoveIconShouldBeResponsive(true)
        .build();
mMagnet.show();


        ...

mMagnet.destroy(); // to remove the magnet

    @Override
    public void onFlingAway() {
        Log.i(TAG, "onFlingAway");
    }

    @Override
    public void onMove(float x, float y) {
        Log.i(TAG, "onMove(" + x + "," + y + ")");
    }

    @Override
    public void onIconClick(View icon, float iconXPose, float iconYPose) {
        Log.i(TAG, "onIconClick(..)");
    }

    @Override
    public void onIconDestroyed() {
        Log.i(TAG, "onIconDestroyed()");
    }