动画。。AnimationSet

最新推荐文章于 2024-06-25 15:43:46 发布

sunqimin

最新推荐文章于 2024-06-25 15:43:46 发布

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分类专栏： android 常用功能总结文章标签： android 动画

本文链接：https://blog.youkuaiyun.com/sunqimin/article/details/17610497

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本文详细介绍了如何使用AnimationSet、TranslateAnimation和AlphaAnimation在UI中实现动画集与视图切换动画，包括动画启动、状态变化、视图位置调整等关键步骤。

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AnimationSet as = new AnimationSet(true);
			as.setAnimationListener(new AnimationListener() {

				@Override
				public void onAnimationStart(Animation arg0) {

开始时的状态

				}

				@Override
				public void onAnimationRepeat(Animation arg0) {

				}

				@Override
				public void onAnimationEnd(Animation arg0) {

结束时的状态
					arg0.cancel();
					RelativeLayout.LayoutParams r = new RelativeLayout.LayoutParams(
							android.view.ViewGroup.LayoutParams.MATCH_PARENT,
							bg_up_arrow_top_line.getHeight());
					r.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM,
							RelativeLayout.TRUE);
					bg_up_arrow_top_line.setLayoutParams(r);
					r = new RelativeLayout.LayoutParams(
							android.view.ViewGroup.LayoutParams.WRAP_CONTENT,
							android.view.ViewGroup.LayoutParams.WRAP_CONTENT);
					r.addRule(RelativeLayout.CENTER_HORIZONTAL,
							RelativeLayout.TRUE);
					r.addRule(RelativeLayout.ABOVE, R.id.bg_up_arrow_top_line);
					bg_up_arrow.setLayoutParams(r);
					bg_up_arrow.setBackgroundResource(R.drawable.bg_down_arrow);
					querfeedback_cb1_qs.setVisibility(View.INVISIBLE);
					querfeedback_cb2_qs.setVisibility(View.INVISIBLE);
					querfeedback_cb3_qs.setVisibility(View.INVISIBLE);
					querfeedback_rl_form.setVisibility(View.INVISIBLE);
				}
			});
			TranslateAnimation ta = new TranslateAnimation(0, 0, 0, 150);

			AlphaAnimation aa = new AlphaAnimation(1f, 0f);
			ta.setDuration(2000);
			aa.setDuration(2000);
			as.addAnimation(ta);
			as.addAnimation(aa);
			querfeedback_rl_form.startAnimation(as);