例子:PopupWindow 动画
很多时候我们把PopupWindow用作自定义的菜单,需要一个从底部向上弹出的效果,这就需要为PopupWindow添加动画。
在工程res下新建anim文件夹,在anim文件夹先新建两个xml文件
menu_bottombar_in.xml
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" > <translate android:duration="250" android:fromYDelta="100.0%" android:toYDelta="0.0" /> </set>
menu_bottombar_out.xml
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" > <translate android:duration="250" android:fromYDelta="0.0" android:toYDelta="100%" /> </set>
在res/value/styles.xml添加一个sytle
<style name="anim_menu_bottombar"> <item name="android:windowEnterAnimation">@anim/menu_bottombar_in</item> <item name="android:windowExitAnimation">@anim/menu_bottombar_out</item> </style>
使用:
View popupView = getLayoutInflater().inflate(R.layout.popup_layout,
null);
mPopupWindow = new PopupWindow(popupView, LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT, true);
mPopupWindow.setTouchable(true);
mPopupWindow.setOutsideTouchable(true);
mPopupWindow.setBackgroundDrawable(new BitmapDrawable(getResources(), (Bitmap) null));
mPopupWindow.getContentView().setFocusableInTouchMode(true);
mPopupWindow.getContentView().setFocusable(true);
mPopupWindow.getContentView().setOnKeyListener(new OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_MENU && event.getRepeatCount() == 0
&& event.getAction() == KeyEvent.ACTION_DOWN) {
if (mPopupWindow != null && mPopupWindow.isShowing()) {
mPopupWindow.dismiss();
}
return true;
}
return false;
}
});
}
加上:mPopupWindow.setAnimationStyle(R.style.menu_anim_bottombar)
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