Android ：无法添加 window -- 令牌 null 不适用于应用程序

Question

当我尝试在适配器中执行 onClickEventOccure 时出现错误 class android.view.WindowManager$BadTokenException：无法添加 window -- 令牌 null 不适用于应用程序

这里是logcat:

07-27 14:53:46.249 30907-30907/com.sgrip E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.sgrip, PID: 30907
android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application
    at android.view.ViewRootImpl.setView(ViewRootImpl.java:583)
    at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:282)
    at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:85)
    at android.app.Dialog.show(Dialog.java:298)
    at com.sgrip.activities.Pending_Request.onClickEventOccure(Pending_Request.java:160)
    at com.sgrip.adapter.AdapterNotification.onClick(AdapterNotification.java:67)
    at android.view.View.performClick(View.java:4785)
    at android.view.View$PerformClick.run(View.java:19884)
    at android.os.Handler.handleCallback(Handler.java:739)
    at android.os.Handler.dispatchMessage(Handler.java:95)
    at android.os.Looper.loop(Looper.java:135)
    at android.app.ActivityThread.main(ActivityThread.java:5343)
    at java.lang.reflect.Method.invoke(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:372)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700)

我正在尝试调用 recycleview 列表项上的日期选择器对话框，但收到此错误。

请帮助我摆脱这个非常糟糕的问题.... 提前致谢.. ...

Answer 1

您应该使用 Activity.this 而不是 getApplicationContext()

Android ：无法添加 window -- 令牌 null 不适用于应用程序

Android :Unable to add window -- token null is not for an application

android

abstract-class

adapter

android-recyclerview