这是在5.1系统上报错：

 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.uhf.uhfhtml/com.uhf.uhfhtml.h5.H5Activity}: android.view.InflateException: Binary XML file line #9: Error inflating class android.webkit.WebView
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2534)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2608)
        at android.app.ActivityThread.access$800(ActivityThread.java:178)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1470)
        at android.os.Handler.dispatchMessage(Handler.java:111)
        at android.os.Looper.loop(Looper.java:194)
        at android.app.ActivityThread.main(ActivityThread.java:5637)
        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:959)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:754)
     Caused by: android.view.InflateException: Binary XML file line #9: Error inflating class android.webkit.WebView
        at android.view.LayoutInflater.createView(LayoutInflater.java:633)
        at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55)
        at android.view.LayoutInflater.onCreateView(LayoutInflater.java:682)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741)
        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 android.view.LayoutInflater.inflate(LayoutInflater.java:365)
        at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555)
        at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161)
        at com.uhf.uhfhtml.h5.H5Activity.onCreate(H5Activity.kt:55)
        at android.app.Activity.performCreate(Activity.java:6092)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1112)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2481)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2608) 
        at android.app.ActivityThread.access$800(ActivityThread.java:178) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1470) 
        at android.os.Handler.dispatchMessage(Handler.java:111) 
        at android.os.Looper.loop(Looper.java:194) 
        at android.app.ActivityThread.main(ActivityThread.java:5637) 
        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:959) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:754) 
     Caused by: java.lang.reflect.InvocationTargetException
        at java.lang.reflect.Constructor.newInstance(Native Method)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:288)
        at android.view.LayoutInflater.createView(LayoutInflater.java:607)
        at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55) 
        at android.view.LayoutInflater.onCreateView(LayoutInflater.java:682) 
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741) 
        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 android.view.LayoutInflater.inflate(LayoutInflater.java:365) 
        at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555) 
        at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161) 
        at com.uhf.uhfhtml.h5.H5Activity.onCreate(H5Activity.kt:55) 
        at android.app.Activity.performCreate(Activity.java:6092) 
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1112) 
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2481) 
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2608) 
        at android.app.ActivityThread.access$800(ActivityThread.java:178) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1470) 
        at android.os.Handler.dispatchMessage(Handler.java:111) 
        at android.os.Looper.loop(Looper.java:194) 
        at android.app.ActivityThread.main(ActivityThread.java:5637) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at java.lang.reflect.Method.invoke(Method.java:372) 
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:959) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:754) 
     Caused by: android.content.res.Resources$NotFoundException: String resource ID #0x2040003
        at android.content.res.Resources.getText(Resources.java:322)
        at android.content.res.Resources.getString(Resources.java:420)
        at com.android.org.chromium.content.browser.ContentViewCore.setContainerView(ContentViewCore.java:684)
        at com.android.org.chromium.content.browser.ContentViewCore.initialize(ContentViewCore.java:608)
        at com.android.org.chromium.android_webview.AwContents.createAndInitializeContentViewCore(AwContents.java:674)
        at com.android.org.chromium.android_webview.AwContents.setNewAwContents(AwContents.java:823)
        at com.android.org.chromium.android_webview.AwContents.<init>(AwContents.java:662)
        at com.android.org.chromium.android_webview.AwContents.<init>(AwContents.java:597)
        at com.android.webview.chromium.WebViewChromium.initForReal(WebViewChromium.java:319)
        at com.android.webview.chromium.WebViewChromium.access$100(WebViewChromium.java:104)
        at com.android.webview.chromium.WebViewChromium$1.run(WebViewChromium.java:271)
        at com.android.webview.chromium.WebViewChromium$WebViewChromiumRunQueue.drainQueue(WebViewChromium.java:131)
        at com.android.webview.chromium.WebViewChromium$WebViewChromiumRunQueue$1.run(WebViewChromium.java:118)
        at com.android.org.chromium.base.ThreadUtils.runOnUiThread(ThreadUtils.java:144)
        at com.android.webview.chromium.WebViewChromium$WebViewChromiumRunQueue.addTask(WebViewChromium.java:115)
        at com.android.webview.chromium.WebViewChromium.init(WebViewChromium.java:268)
        at android.webkit.WebView.<init>(WebView.java:590)
        at android.webkit.WebView.<init>(WebView.java:525)
    	at android

开始以为是自定义webview出问题，好像这个是系统问题：

这里解决方法就是把高的版本降级就好，在高的版本不处理webview错误

把implementation 'androidx.appcompat:appcompat:1.1.0'
修改为
implementation 'androidx.appcompat:appcompat:1.0.2'
就好了

android.view.InflateException Error inflating class android.webkit.WebView

Android5.1 WebView遇坑笔记-Resources$NotFoundException