= AnimationUtils.loadAnimation(this,R.anim.anim_translate);
img.startAnimation(translateAnimation);
java...实现:
Animation translateAnimation2=new TranslateAnimation(0,500,0,500);
translateAnimation2.setDuration...(3000);
translateAnimation2.setRepeatCount(Animation.INFINITE);
img.startAnimation(translateAnimation2...(TranslateAnimation.RELATIVE_TO_PARENT,-0.5f,
TranslateAnimation.RELATIVE_TO_PARENT,0.5f...,
TranslateAnimation.RELATIVE_TO_SELF,0
,TranslateAnimation.RELATIVE_TO_SELF