You need to use a Theme.AppCompat theme

[wzhsh90]

{code: 2006, detailMsg: Code:2006, msg:查询失败：解析Json错误！(You need to use a Theme.AppCompat theme (or descendant) with this activity.), message: 查询失败：解析Json错误！(You need to use a Theme.AppCompat theme (or descendant) with this activity.)}

style 修改为下面

<style name="LaunchTheme" parent="Theme.AppCompat.Light.NoActionBar"> @drawable/launch_background false </style>

021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor(AppCompatDelegateImpl.java:843)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor(AppCompatDelegateImpl.java:806)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:684)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at androidx.appcompat.app.AppCompatDialog.setContentView(AppCompatDialog.java:100)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.widget.BaseDialog.init(BaseDialog.java:79)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.widget.BaseDialog.init(BaseDialog.java:75)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.widget.BaseDialog.(BaseDialog.java:64)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.widget.BaseDialog.(BaseDialog.java:51)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.widget.UpdateDialog.(UpdateDialog.java:128)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.widget.UpdateDialog.newInstance(UpdateDialog.java:119)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.flutter_xupdate.FlutterUpdatePrompter.showPrompt(FlutterUpdatePrompter.java:60)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.UpdateManager.findNewVersion(UpdateManager.java:344)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.utils.UpdateUtils.processUpdateEntity(UpdateUtils.java:92)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.proxy.impl.DefaultUpdateChecker.processCheckResult(DefaultUpdateChecker.java:137)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.proxy.impl.DefaultUpdateChecker.onCheckSuccess(DefaultUpdateChecker.java:102)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.proxy.impl.DefaultUpdateChecker.access$000(DefaultUpdateChecker.java:46)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.xupdate.proxy.impl.DefaultUpdateChecker$1.onSuccess(DefaultUpdateChecker.java:65)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.flutter_xupdate.OKHttpUpdateHttpService$1.onResponse(OKHttpUpdateHttpService.java:82)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.xuexiang.flutter_xupdate.OKHttpUpdateHttpService$1.onResponse(OKHttpUpdateHttpService.java:74)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at com.zhy.http.okhttp.OkHttpUtils$3.run(OkHttpUtils.java:186)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at android.os.Handler.handleCallback(Handler.java:888)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at android.os.Handler.dispatchMessage(Handler.java:100)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at android.os.Looper.loop(Looper.java:213)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at android.app.ActivityThread.main(ActivityThread.java:8178)
2021-05-05 21:44:44.773 31453-31453/com.example.shzgej_web W/System.err: at java.lang.reflect.Method.invoke(Native Method)
2021-05-05 21:44:44.774 31453-31453/com.example.shzgej_web W/System.err: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513)

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