膨胀类android.碎片化.app.FragmentContainerView时出错，谁能告诉我我遗漏了什么
我正在努力使Google Place API出现在CardView中。
我看到的特定代码来自GitHub，似乎对其他所有人都有效，但我不明白为什么它会抛给我一个错误。
这是我收到的错误：
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.rizwanqureshi.kevstaxiscanterbury, PID: 6818
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.rizwanqureshi.kevstaxiscanterbury/com.rizwanqureshi.kevstaxiscanterbury.CustomerMapsActivity}: android.view.InflateException: Binary XML file line #50 in com.rizwanqureshi.kevstaxiscanterbury:layout/activity_customer_maps: Binary XML file line #50 in com.rizwanqureshi.kevstaxiscanterbury:layout/activity_customer_maps: Error inflating class android.fragment.app.FragmentContainerView
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3270)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
Caused by: android.view.InflateException: Binary XML file line #50 in com.rizwanqureshi.kevstaxiscanterbury:layout/activity_customer_maps: Binary XML file line #50 in com.rizwanqureshi.kevstaxiscanterbury:layout/activity_customer_maps: Error inflating class android.fragment.app.FragmentContainerView
Caused by: android.view.InflateException: Binary XML file line #50 in com.rizwanqureshi.kevstaxiscanterbury:layout/activity_customer_maps: Error inflating class android.fragment.app.FragmentContainerView
Caused by: java.lang.ClassNotFoundException: android.fragment.app.FragmentContainerView
at java.lang.Class.classForName(Native Method)
at java.lang.Class.forName(Class.java:454)
at android.view.LayoutInflater.createView(LayoutInflater.java:815)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:1006)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:961)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:1123)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1084)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:1126)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1084)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:1126)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1084)
at android.view.LayoutInflater.inflate(LayoutInflater.java:682)
at android.view.LayoutInflater.inflate(LayoutInflater.java:534)
at android.view.LayoutInflater.inflate(LayoutInflater.java:481)
at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:438)
at android.app.Activity.setContentView(Activity.java:3324)
at com.rizwanqureshi.kevstaxiscanterbury.CustomerMapsActivity.onCreate(CustomerMapsActivity.java:116)
at android.app.Activity.performCreate(Activity.java:7802)
at android.app.Activity.performCreate(Activity.java:7791)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1299)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3245)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
E/AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
Caused by: java.lang.ClassNotFoundException: Didn't find class "android.fragment.app.FragmentContainerView" on path: DexPathList[[zip file "/data/app/com.rizwanqureshi.kevstaxiscanterbury-Nkg-1mQCfbE8I1MoJKHQuA==/base.apk"],nativeLibraryDirectories=[/data/app/com.rizwanqureshi.kevstaxiscanterbury-Nkg-1mQCfbE8I1MoJKHQuA==/lib/x86, /system/lib, /system/product/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:196)
at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
... 32 more
主要结论是膨胀android.Framment.app.FragmentContainerView类时出错，并且该问题位于XML的第50行。
这是XML：
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".CustomerLogin" >
<androidx.fragment.app.FragmentContainerView
android:id="@+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/buttons">
<Button
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:id="@+id/logout"
android:text="logout"
tools:ignore="ButtonStyle" />
<Button
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:id="@+id/history"
android:text="history"
tools:ignore="ButtonStyle" />
<Button
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:id="@+id/settings"
android:text="Settings"
tools:ignore="ButtonStyle" />
</LinearLayout>
<androidx.cardview.widget.CardView
android:layout_below="@+id/buttons"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="20sp">
//***LINE 50 WHERE THE ERROR IS***
<android.fragment.app.FragmentContainerView
android:id="@+id/place_autocomplete_fragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:ignore="ExtraText">
android:name="com.google.android.gms.location.places.ui.PlaceAutocompleteFragment"
</android.fragment.app.FragmentContainerView>
</androidx.cardview.widget.CardView>
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_gravity="bottom">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/driverInfo"
android:layout_gravity="bottom"
android:orientation="horizontal"
android:background="@android:color/white"
android:visibility="gone">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:paddingLeft="40sp">
</LinearLayout>
</LinearLayout>
<LinearLayout
android:background="@android:color/white"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</LinearLayout>
</LinearLayout>
</FrameLayout>
所以我猜FragmentContainerView有问题？但我在代码中没有收到任何错误，Google上也没有任何结果。
我觉得有些东西可能过时了，而不是完全不正确，但我一点也不知道。
感谢您的意见。
解决方案
只需尝试在导航XML中定义您的startDestination！
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