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首先,在values/anim中定义补间动画
popshow_anim.xml 由下往上淡入
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" ><translateandroid:duration="1000"android:fromYDelta="100%p"android:toYDelta="0" /><alphaandroid:duration="1000"android:fromAlpha="0.0"android:toAlpha="1.0" /></set>pophidden_anim.xml 由上往下淡出
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" ><translateandroid:duration="1000"android:fromYDelta="0"android:toYDelta="50%p" /><alphaandroid:duration="1000"android:fromAlpha="1.0"android:toAlpha="0.0" /></set>
然后,在values/style中定义样式
<style name="mypopwindow_anim_style">
<item name="android:windowEnterAnimation">@anim/popshow_anim</item> <!-- 指定显示的动画xml --><item name="android:windowExitAnimation">@anim/pophidden_anim</item> <!-- 指定消失的动画xml --></style>
最后,在代码中引用动画样式
View view = LayoutInflater.from(this).inflate(R.layout.popwindowlayout, null);
PopupWindow mPopupWindow = new PopupWindow(view, WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.WRAP_CONTENT);mPopupWindow.setFocusable(true);mPopupWindow.setOutsideTouchable(true);mPopupWindow.setBackgroundDrawable(new ColorDrawable(0xcc00cc00));// 设置popWindow的显示和消失动画mPopupWindow.setAnimationStyle(R.style.mypopwindow_anim_style);mPopupWindow.showAtLocation(MainActivity.this.findViewById(R.id.start), Gravity.BOTTOM, 0, 0);
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原文地址:http://www.cnblogs.com/baiqiantao/p/5281855.html