现象

Android5.0上凡是layout中引用了WebView的页面，初始化就会报错

E/CrashReport: java.lang.IllegalStateException: Fatal Exception thrown on Scheduler.
        at io.reactivex.android.schedulers.HandlerScheduler$ScheduledRunnable.run(HandlerScheduler.java:111)
        at android.os.Handler.handleCallback(Handler.java:815)
        at android.os.Handler.dispatchMessage(Handler.java:104)
        at android.os.Looper.loop(Looper.java:194)
        at android.app.ActivityThread.main(ActivityThread.java:5714)
        at java.lang.reflect.Method.invoke(Native Method)
        at java.lang.reflect.Method.invoke(Method.java:372)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:984)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)
     Caused by: android.view.InflateException: Binary XML file line #33: Error inflating class android.webkit.WebView
        at android.view.LayoutInflater.createView(LayoutInflater.java:633)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743)
        at android.view.LayoutInflater.rInflate(LayoutInflater.java:806)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:504)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
        at androidx.databinding.DataBindingUtil.inflate(DataBindingUtil.java:126)
        at androidx.databinding.DataBindingUtil.inflate(DataBindingUtil.java:95)
        ……

原因

项目最近升级了AndroidX，部分Android旧版本设备中WebView控件无法被引用，而在androidx.appcompat:appcompat低版本中未携带WebView

解决办法

升级androidx.appcompat:appcompat的版本，目前最新的1.2.0-rc01已可正常加载。
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