WindowInsetsNavHostFragment did not create a view

来源:3-6 app定制Fragment导航器

12313凯皇

2020-04-22

偶尔会这样,这是我把项目中的WindowInsetsNavHostFragment用到了自己的一个项目里,项目中使用了两个navigation,偶尔会在切换到其他App或者退回到桌面过一会再返回App时会抛出此异常,有同学知道这是为什么吗?完整异常如下

2020-04-22 23:29:05.998 16394-16394/com.yu.hu.traveling E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.yu.hu.traveling, PID: 16394
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.yu.hu.traveling/com.yu.hu.traveling.MainActivity}: android.view.InflateException: Binary XML file line #16: Binary XML file line #16: Error inflating class fragment
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2984)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3119)
        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$H.handleMessage(ActivityThread.java:1839)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:201)
        at android.app.ActivityThread.main(ActivityThread.java:6861)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:873)
     Caused by: android.view.InflateException: Binary XML file line #16: Binary XML file line #16: Error inflating class fragment
     Caused by: android.view.InflateException: Binary XML file line #16: Error inflating class fragment
     Caused by: java.lang.IllegalStateException: Fragment com.yu.hu.common.fragment.WindowInsetsNavHostFragment did not create a view.
        at androidx.fragment.app.FragmentLayoutInflaterFactory.onCreateView(FragmentLayoutInflaterFactory.java:139)
        at androidx.fragment.app.FragmentController.onCreateView(FragmentController.java:135)
        at androidx.fragment.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:356)
        at androidx.fragment.app.FragmentActivity.onCreateView(FragmentActivity.java:335)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:784)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:734)
        at android.view.LayoutInflater.rInflate(LayoutInflater.java:867)
        at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:828)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:519)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:427)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
        at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555)
        at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161)
        at androidx.databinding.DataBindingUtil.setContentView(DataBindingUtil.java:303)
        at androidx.databinding.DataBindingUtil.setContentView(DataBindingUtil.java:284)
        at com.yu.hu.common.activity.BaseActivity.onCreate(BaseActivity.java:51)
        at com.yu.hu.common.activity.BaseNavigationActivity.onCreate(BaseNavigationActivity.java:28)
        at com.yu.hu.traveling.MainActivity.onCreate(MainActivity.java:35)
        at android.app.Activity.performCreate(Activity.java:7232)
        at android.app.Activity.performCreate(Activity.java:7221)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1272)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2964)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3119)
        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$H.handleMessage(ActivityThread.java:1839)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:201)
        at android.app.ActivityThread.main(ActivityThread.java:6861)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
写回答

1回答

LovelyChubby

2020-04-23

这个问题已修复,更新下master代码。这个问题即便是原生的fragmentNavigator也有这个问题,google在github放出来的navigation  sample也有这个问题。

前因后果,比较复杂,我写在代码里面了。请查看Mainactivity.java

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12313凯皇
非常感谢!
2020-04-24
共3条回复

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