我想旋转一个箭头来指定一些指定的位置:
float bearing = myLoc.bearingTo(mecca);
RotateAnimation rotate = new RotateAnimation(0, bearing, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
arrow.setAnimation(rotate);
rotate.start();
现在是旋转,但是不到一秒又回到了原来的位置。如何让它像指南针一样旋转?