android中谷歌地图上的圆形动画
在谷歌地图上使用valu动画制作圆形动画,但动画一直闪烁不定 这是一个密码android中谷歌地图上的圆形动画,android,google-maps,animation,Android,Google Maps,Animation,在谷歌地图上使用valu动画制作圆形动画,但动画一直闪烁不定 这是一个密码 CircleOptions circleOptions = new CircleOptions() .center(searchStopPoint) //set center .radius(100) //set radius in meters .strokeColor(Color.TRANSPARENT)
CircleOptions circleOptions = new CircleOptions()
.center(searchStopPoint) //set center
.radius(100) //set radius in meters
.strokeColor(Color.TRANSPARENT)
.fillColor(0x555751FF)
.strokeWidth(5);
busStopCircle = googleMap.addCircle(circleOptions);
ValueAnimator valueAnimator = new ValueAnimator();
valueAnimator.setRepeatCount(ValueAnimator.INFINITE);
valueAnimator.setRepeatMode(ValueAnimator.RESTART);
valueAnimator.setIntValues(0, 100);
valueAnimator.setDuration(3000);
valueAnimator.setEvaluator(new IntEvaluator());
valueAnimator.setInterpolator(new AccelerateDecelerateInterpolator());
valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
float animatedFraction = valueAnimator.getAnimatedFraction();
busStopCircle.setRadius(animatedFraction * 100);
}
});
valueAnimator.start();
有谁能帮我使动画平滑而不闪烁
谢谢这是一个好主意。一种解决方法是使用圆而不是圆。下面是一个示例:
创建圆:
// The drawable to use for the circle
GradientDrawable d = new GradientDrawable();
d.setShape(GradientDrawable.OVAL);
d.setSize(500,500);
d.setColor(0x555751FF);
d.setStroke(5, Color.TRANSPARENT);
Bitmap bitmap = Bitmap.createBitmap(d.getIntrinsicWidth()
, d.getIntrinsicHeight()
, Bitmap.Config.ARGB_8888);
// Convert the drawable to bitmap
Canvas canvas = new Canvas(bitmap);
d.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
d.draw(canvas);
// Radius of the circle
final int radius = 100;
// Add the circle to the map
final GroundOverlay circle = map.addGroundOverlay(new GroundOverlayOptions()
.position(searchStopPoint, 2 * radius).image(BitmapDescriptorFactory.fromBitmap(bitmap)));
现在为圆形覆盖设置动画:
ValueAnimator valueAnimator = new ValueAnimator();
valueAnimator.setRepeatCount(ValueAnimator.INFINITE);
valueAnimator.setRepeatMode(ValueAnimator.RESTART);
valueAnimator.setIntValues(0, radius);
valueAnimator.setDuration(3000);
valueAnimator.setEvaluator(new IntEvaluator());
valueAnimator.setInterpolator(new AccelerateDecelerateInterpolator());
valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
float animatedFraction = valueAnimator.getAnimatedFraction();
circle.setDimensions(animatedFraction * radius * 2);
}
});
valueAnimator.start();
更新:此问题闪烁发生在真实设备或模拟器上?@Tasos两个设备我都看了文档,你有无限,然后重新启动-重新启动当动画结束,repeatCount为无限或正值时,动画从开始重新启动。--你为什么一直在为这些圆设置动画?我把这个圆放在特定的位置,使其高亮显示,并指示与其他位置不同的位置。需要在半透明的圆圈上加一些动画。是的,我明白,但是你能试着只做一次动画而不重复,作为测试,看看闪烁是否消失。这将把范围缩小到动画本身。我正在使用最新版本的播放服务。但圆渲染仍然没有那么快。即使谷歌声称问题已经解决,GroundOverlay仍然是CircleOptions更好的选择吗?