Android抛错：android.view.WindowManager$BadTokenException: Unable to add window -- token null is not

我就是我 2024-02-05 14:43 37阅读 0赞

### Android抛错：android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running? ###

> android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running?

在使用PopupWindow时候出现该问题。

解决方案，在PopupWindow show的时候，用post包一层：

your_view?.post {
                PopupWindow.show(...)
            }

[Android点击View显示PopupWindow，再次重复点击View关闭PopupWindow-CSDN博客文章浏览阅读5.6k次，点赞3次，收藏4次。Android点击View显示PopupWindow，再次重复点击View关闭PopupWindow这本身是一个看似很简单的问题，但是如果设置不当，就可能导致莫名其妙失效问题。通常在Android中使用PopupWindow是从某一个View中触发，为某一个View setOnClickListener，然后在View.OnClickListener中show出创建好的PopupWindow，![favicon32.ico][]https://blog.csdn.net/zhangphil/article/details/52587576][Android_View_PopupWindow_View_PopupWindow-CSDN_5.6k_3_4_Android_View_PopupWindow_View_PopupWindow_Android_PopupWindow_View_View setOnClickListener_View.OnClickListener_show_PopupWindow_favicon32.ico_https_blog.csdn.net_zhangphil_article_details_52587576][Android Material Design：ListPopupWindow\_listpopupwindow设置间距-CSDN博客文章浏览阅读7k次。Android Material Design：ListPopupWindowAndroid Material Design引入的ListPopupWindow，首先是一个PopupWindow，不过此PopupWindow内嵌一个List，给予此List设置一个Adapter，就相当Android为开发者做好了一个内置ListView的PopupWindows。如图所示：\_listpopupwindow设置间距![favicon32.ico][]https://blog.csdn.net/zhangphil/article/details/48900349][Android Material Design_ListPopupWindow_listpopupwindow_-CSDN_7k_Android Material Design_ListPopupWindowAndroid Material Design_ListPopupWindow_PopupWindow_PopupWindow_List_List_Adapter_Android_ListView_PopupWindows_listpopupwindow_favicon32.ico_https_blog.csdn.net_zhangphil_article_details_48900349]

[Android PopupWindow-CSDN博客文章浏览阅读239次。代码：package zhangphil.test;import android.content.Context;import android.content.res.Resources;import android.graphics.Color;import android.os.Bundle;import android.support.annotation.Nullable...![favicon32.ico][]https://blog.csdn.net/zhangphil/article/details/82850102][Android PopupWindow-CSDN_239_package zhangphil.test_import android.content.Context_import android.content.res.Resources_import android.graphics.Color_import android.os.Bundle_import android.support.annotation.Nullable..._favicon32.ico_https_blog.csdn.net_zhangphil_article_details_82850102]

[favicon32.ico]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/30/18e0146f958c4f31a045b9e572f2c7c5.png
[Android_View_PopupWindow_View_PopupWindow-CSDN_5.6k_3_4_Android_View_PopupWindow_View_PopupWindow_Android_PopupWindow_View_View setOnClickListener_View.OnClickListener_show_PopupWindow_favicon32.ico_https_blog.csdn.net_zhangphil_article_details_52587576]: https://blog.csdn.net/zhangphil/article/details/52587576
[Android Material Design_ListPopupWindow_listpopupwindow_-CSDN_7k_Android Material Design_ListPopupWindowAndroid Material Design_ListPopupWindow_PopupWindow_PopupWindow_List_List_Adapter_Android_ListView_PopupWindows_listpopupwindow_favicon32.ico_https_blog.csdn.net_zhangphil_article_details_48900349]: https://blog.csdn.net/zhangphil/article/details/48900349
[Android PopupWindow-CSDN_239_package zhangphil.test_import android.content.Context_import android.content.res.Resources_import android.graphics.Color_import android.os.Bundle_import android.support.annotation.Nullable..._favicon32.ico_https_blog.csdn.net_zhangphil_article_details_82850102]: https://blog.csdn.net/zhangphil/article/details/82850102