Could not show leak toast, the window token has been canceled

[tcqq]

Library version:

    debugImplementation 'com.squareup.leakcanary:leakcanary-android:1.6.1'
    releaseImplementation 'com.squareup.leakcanary:leakcanary-android-no-op:1.6.1'
    // Optional, if you use support library fragments:
    debugImplementation 'com.squareup.leakcanary:leakcanary-support-fragment:1.6.1'

Error:

D/LeakCanary: Could not show leak toast, the window token has been canceled
    android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running?
        at android.view.ViewRootImpl.setView(ViewRootImpl.java:798)
        at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:356)
        at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:93)
        at com.squareup.leakcanary.AndroidHeapDumper.show(AndroidHeapDumper.java:148)
        at com.squareup.leakcanary.AndroidHeapDumper.access$100(AndroidHeapDumper.java:43)
        at com.squareup.leakcanary.AndroidHeapDumper$1.run(AndroidHeapDumper.java:100)
        at android.os.Handler.handleCallback(Handler.java:873)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:193)
        at android.app.ActivityThread.main(ActivityThread.java:6669)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)

[JakeWharton]

Dupe of #1062