MainMapFragment.java 文件源码

void animateMarker(final Bitmap bitmap, final Marker marker) {
    if (marker == null)
        return;

    ValueAnimator animator = ValueAnimator.ofFloat(0.1f, 1);
    animator.setDuration(1000);
    animator.setStartDelay(500);
    animator.setInterpolator(new BounceInterpolator());

    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            float scale = (float) animation.getAnimatedValue();
            try {
                marker.setIcon(BitmapDescriptorFactory.fromBitmap(DisplayUtils.resizeMarkerIcon(bitmap, Math.round(scale * 75), Math.round(scale * 75))));
            } catch (IllegalArgumentException ex) {
                Log.e("MAPP", ex.getMessage());
            }
        }
    });
    animator.start();
}