低于8.0版本则正常使用，错误log如下
Process: com.dhcc.csr, PID: 10366
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dhcc.csr/com.dhcc.csr.news.detail.PartyDynamicDetailActivity}: android.view.InflateException: Binary XML file line #0: Binary XML file line #0: Error inflating class android.webkit.WebView
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2817)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
Caused by: android.view.InflateException: Binary XML file line #0: Binary XML file line #0: Error inflating class android.webkit.WebView
Caused by: android.view.InflateException: Binary XML file line #0: Error inflating class android.webkit.WebView
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:334)
at android.view.LayoutInflater.createView(LayoutInflater.java:647)
at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:720)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:788)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:418)
at android.app.Activity.setContentView(Activity.java:2654)
at com.dhcc.csr.news.detail.PartyDynamicDetailActivity.onCreate(PartyDynamicDetailActivity.java:94)
at android.app.Activity.performCreate(Activity.java:6975)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1213)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2770)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
Caused by: java.lang.NullPointerException
at android.content.res.AssetManager.addAssetPathNative(Native Method)
at android.content.res.AssetManager.addAssetPathInternal(AssetManager.java:689)
at android.content.res.AssetManager.addAssetPathAsSharedLibrary(AssetManager.java:684)
at android.webkit.WebViewFactory.getProviderClass(WebViewFactory.java:407)
at android.webkit.WebViewFactory.getProvider(WebViewFactory.java:211)
11-13 16:50:39.410 10366-10366/com.dhcc.csr E/AndroidRuntime: at android.webkit.WebView.getFactory(WebView.java:2467)
at android.webkit.WebView.ensureProviderCreated(WebView.java:2462)
at android.webkit.WebView.setOverScrollMode(WebView.java:2527)
at android.view.View.<init>(View.java:4536)
at android.view.View.<init>(View.java:4668)
at android.view.ViewGroup.<init>(ViewGroup.java:597)
at android.widget.AbsoluteLayout.<init>(AbsoluteLayout.java:55)
at android.webkit.WebView.<init>(WebView.java:636)
at android.webkit.WebView.<init>(WebView.java:581)
at android.webkit.WebView.<init>(WebView.java:564)
at android.webkit.WebView.<init>(WebView.java:551)
... 33 more
不是xml问题，是webview在android8.0的问题，你可以看看这个https://support.google.com/work/android/answer/7506908?hl=en
看着像你布局xml出错了
Process: com.dhcc.csr, PID: 10366
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dhcc.csr/com.dhcc.csr.news.detail.PartyDynamicDetailActivity}: android.view.InflateException: Binary XML file line #0: Binary XML file line #0: Error inflating class android.webkit.WebView
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2817)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
Caused by: android.view.InflateException: Binary XML file line #0: Binary XML file line #0: Error inflating class android.webkit.WebView
Caused by: android.view.InflateException: Binary XML file line #0: Error inflating class android.webkit.WebView
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:334)
at android.view.LayoutInflater.createView(LayoutInflater.java:647)
at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:720)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:788)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:418)
at android.app.Activity.setContentView(Activity.java:2654)
at com.dhcc.csr.news.detail.PartyDynamicDetailActivity.onCreate(PartyDynamicDetailActivity.java:94)
at android.app.Activity.performCreate(Activity.java:6975)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1213)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2770)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892)
at android.app.ActivityThread.-wrap11(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6541)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
Caused by: java.lang.NullPointerException
at android.content.res.AssetManager.addAssetPathNative(Native Method)
at android.content.res.AssetManager.addAssetPathInternal(AssetManager.java:689)
at android.content.res.AssetManager.addAssetPathAsSharedLibrary(AssetManager.java:684)
at android.webkit.WebViewFactory.getProviderClass(WebViewFactory.java:407)
at android.webkit.WebViewFactory.getProvider(WebViewFactory.java:211)
11-13 16:50:39.410 10366-10366/com.dhcc.csr E/AndroidRuntime: at android.webkit.WebView.getFactory(WebView.java:2467)
at android.webkit.WebView.ensureProviderCreated(WebView.java:2462)
at android.webkit.WebView.setOverScrollMode(WebView.java:2527)
at android.view.View.(View.java:4536)
at android.view.View.(View.java:4668)
at android.view.ViewGroup.(ViewGroup.java:597)
at android.widget.AbsoluteLayout.(AbsoluteLayout.java:55)
at android.webkit.WebView.(WebView.java:636)
at android.webkit.WebView.(WebView.java:581)
at android.webkit.WebView.(WebView.java:564)
at android.webkit.WebView.(WebView.java:551)
... 33 more
你布局的单词拼写错了吧 检查下你web页面的布局中 有拼写错误~！
https://developer.android.com/guide/webapps/managing-webview.html#version