qwwuyu
``` 2020-06-09 16:46:05.036 21624-21624/com.win.wan_android E/AndroidRuntime: FATAL EXCEPTION: main Process: com.win.wan_android, PID: 21624 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.win.wan_android/com.win.ft_home.ui.main.MainActivity}: android.view.InflateException: Binary XML file line #14 in com.win.wan_android:layout/activity_main: Binary XML file line #14 in com.win.wan_android:layout/activity_main: Error inflating class fragment at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3760) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3939) at android.app.ActivityThread.handleRelaunchActivityInner(ActivityThread.java:5908) at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:5798) at android.app.servertransaction.ActivityRelaunchItem.execute(ActivityRelaunchItem.java:69) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:149) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:103) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2373) at android.os.Handler.dispatchMessage(Handler.java:107) at android.os.Looper.loop(Looper.java:213) at android.app.ActivityThread.main(ActivityThread.java:8147) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1101) Caused by: android.view.InflateException: Binary XML file line #14 in com.win.wan_android:layout/activity_main: Binary XML file line #14 in com.win.wan_android:layout/activity_main: Error inflating class fragment Caused by: android.view.InflateException: Binary XML file line #14 in com.win.wan_android:layout/activity_main: Error inflating class fragment Caused by: java.lang.IllegalStateException: Fragment com.win.lib_base.window.WindowNavHostFragment 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.tryCreateView(LayoutInflater.java:1079) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:1007) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:971) at android.view.LayoutInflater.rInflate(LayoutInflater.java:1133) at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1094) at android.view.LayoutInflater.inflate(LayoutInflater.java:692) at android.view.LayoutInflater.inflate(LayoutInflater.java:536) at android.view.LayoutInflater.inflate(LayoutInflater.java:483) 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.win.lib_base.base.BaseActivity.onCreate(BaseActivity.kt:23) at com.win.ft_home.ui.main.MainActivity.onCreate(MainActivity.kt:23) at android.app.Activity.performCreate(Activity.java:8066) at android.app.Activity.performCreate(Activity.java:8054) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1313) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3733) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3939) at android.app.ActivityThread.handleRelaunchActivityInner(ActivityThread.java:5908) at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:5798) at android.app.servertransaction.ActivityRelaunchItem.execute(ActivityRelaunchItem.java:69) 2020-06-09 16:46:05.037 21624-21624/com.win.wan_android E/AndroidRuntime: at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:149) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:103) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2373) at android.os.Handler.dispatchMessage(Handler.java:107) at android.os.Looper.loop(Looper.java:213) at android.app.ActivityThread.main(ActivityThread.java:8147) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1101) ```