小编Bja*_*eld的帖子

在导航库版本alpha09 +（使用alpha11）中，我遇到一个数据类的ClassNotFoundException，该数据类在导航图中定义为argType。

app:argType="com.package.app.data.model.user.User.Full"

此类确实存在。降级回alpha08时，似乎没有发生此问题。

这是完整的堆栈跟踪：

2019-01-28 10:30:32.028 6970-6970/com.package.app.debug E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.package.app.debug, PID: 6970
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.package.app.debug/com.package.app.ui.MainActivity}: android.view.InflateException: Binary XML file line #53: Binary XML file line #53: Error inflating class fragment
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2913)
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
    at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
    at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
    at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
    at android.os.Handler.dispatchMessage(Handler.java:106)
    at android.os.Looper.loop(Looper.java:193)
    at android.app.ActivityThread.main(ActivityThread.java:6669)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
 Caused by: android.view.InflateException: Binary XML file line #53: Binary XML file line #53: Error inflating class fragment
 Caused …

在 v21 之前的所有版本（即 16-19）上，由于以下错误，我的应用程序在启动时崩溃：

E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to get provider com.google.firebase.perf.provider.FirebasePerfProvider: java.lang.ClassNotFoundException: com.google.firebase.perf.provider.FirebasePerfProvider
    at android.app.ActivityThread.installProvider(ActivityThread.java:4563)
    at android.app.ActivityThread.installContentProviders(ActivityThread.java:4190)
    at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4132)
    at android.app.ActivityThread.access$1300(ActivityThread.java:130)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1255)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:137)
    at android.app.ActivityThread.main(ActivityThread.java:4745)
    at java.lang.reflect.Method.invokeNative(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:511)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
    at dalvik.system.NativeStart.main(Native Method)
 Caused by: java.lang.ClassNotFoundException: com.google.firebase.perf.provider.FirebasePerfProvider
    at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
    at android.app.ActivityThread.installProvider(ActivityThread.java:4548)
    at android.app.ActivityThread.installContentProviders(ActivityThread.java:4190) 
    at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4132) 
    at android.app.ActivityThread.access$1300(ActivityThread.java:130) 
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1255) 
    at android.os.Handler.dispatchMessage(Handler.java:99) 
    at android.os.Looper.loop(Looper.java:137) 
    at android.app.ActivityThread.main(ActivityThread.java:4745) 
    at java.lang.reflect.Method.invokeNative(Native Method) 
    at java.lang.reflect.Method.invoke(Method.java:511) 
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786) 
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 
    at …

在我的应用程序中，我尝试使用React Navigation 的堆栈导航器并headerLargeTitle启用headerTransparent。

我的实现如下所示：

导航器.tsx

<HomeStack.Navigator
  initialRouteName="ScreenA"
  screenOptions={({ navigation, route }) => ({
    title: 'My app',
    headerTransparent: true,
    headerBlurEffect: 'light',
    headerLargeTitleShadowVisible: false,
    headerLargeTitle: true,
    headerSearchBarOptions: {
      autoCapitalize: 'none',
      obscureBackground: false,
    },
  })}
>
  <HomeStack.Screen
    name="ScreenA"
    component={ScreenA}
  />
</HomeStack.Navigator>

屏幕A返回：

const headerHeight = useHeaderHeight();

return (
<>
  {isReady && (
    <ScrollView
      contentInset={{
        top: headerHeight * 2,
      }}
      style={{
        backgroundColor: 'red',
      }}
    >
      <View.Base
        style={{
          height: 900,
          width: '100%',
          backgroundColor: 'yellow',
        }}
      />
    </ScrollView>
  )}
</> …