将支持库更新到版本23.2.0之后
compile 'com.android.support:design:23.2.0'
在标签页之间切换时（Android版本5.0.2），我开始收到此错误消息：
Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.drawable.Drawable.setAlpha(int)' on a null object reference
at android.support.v4.widget.SwipeRefreshLayout.setColorViewAlpha(SwipeRefreshLayout.java:217)
at android.support.v4.widget.SwipeRefreshLayout.reset(SwipeRefreshLayout.java:199)
at android.support.v4.widget.SwipeRefreshLayout.onDetachedFromWindow(SwipeRefreshLayout.java:213)
at android.view.View.dispatchDetachedFromWindow(View.java:14579)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3138)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3135)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:3135)
at android.view.ViewGroup.removeViewInternal(ViewGroup.java:4502)
at android.view.ViewGroup.removeViewInternal(ViewGroup.java:4475)
at android.view.ViewGroup.removeView(ViewGroup.java:4407)
at android.support.v4.view.ViewPager.removeView(ViewPager.java:1430)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1165)
at android.support.v4.app.FragmentManagerImpl.removeFragment(FragmentManager.java:1349)
at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:708)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617)
at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:570)
at android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:164)
at android.support.v4.view.ViewPager.populate(ViewPager.java:1177)
at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:608)
at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:570)
at android.support.v4.view.ViewPager.setCurrentItem(ViewPager.java:551)
at android.support.design.widget.TabLayout$ViewPagerOnTabSelectedListener.onTabSelected(TabLayout.java:1991)
at android.support.design.widget.TabLayout.selectTab(TabLayout.java:1024)
at android.support.design.widget.TabLayout.selectTab(TabLayout.java:994)
at android.support.design.widget.TabLayout$Tab.select(TabLayout.java:1262)
at android.support.design.widget.TabLayout$TabView.performClick(TabLayout.java:1360)
at android.view.View$PerformClick.run(View.java:20978)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:6134)
at java.lang.reflect.Method.invoke(Method.java)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)
好像是支持库的错误，外面有人也有这个问题吗？任何解决方法？
检查所有库是否存在可能覆盖了某些资源'void android.graphics.drawable.Drawable.setAlpha（int）'。void setAlpha（null）
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