java.lang.NullPointerException: Attempt to invoke virtual method ''android.view.ViewTreeObserver android.view.View.getViewTreeObserver()'' on a null object reference

mozilla.com | 2 weeks ago
  1. 0

    2015-07-28 FennecAndroid Release 39 Startup Crash Report

    mozilla.com | 2 weeks ago
    java.lang.NullPointerException: Attempt to invoke virtual method ''android.view.ViewTreeObserver android.view.View.getViewTreeObserver()'' on a null object reference
  2. 0
    The resource was accessed after it was dismissed.
  3. 0

    NullPointerException: Attempt to invoke virtual method android.view.ViewGroup$LayoutParam —核心网络

    netfoucs.com | 10 months ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewGroup$LayoutParams android.view.View.getLayoutParams()' on a null object reference //
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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method ''android.view.ViewTreeObserver android.view.View.getViewTreeObserver()'' on a null object reference

      at android.widget.PopupWindow.registerForScrollChanged()
    2. Android Platform
      PopupWindow.registerForScrollChanged
      1. android.widget.PopupWindow.registerForScrollChanged(PopupWindow.java)
      1 frame