IssueTracker

Component used: Fragment

Version used: 1.5.0-alpa04

Devices/Android versions reproduced on: API 23 until API 31

When the app is using the new Theme.SplashScreen from the AndroidX Splashscreen component then the app crashes on startup:

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.myapp/com.myapp.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3635)
  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3792)
  at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103)
  at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
  at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2210)
  at android.os.Handler.dispatchMessage(Handler.java:106)
  at android.os.Looper.loopOnce(Looper.java:201)
  at android.os.Looper.loop(Looper.java:288)
  at android.app.ActivityThread.main(ActivityThread.java:7839)
  at java.lang.reflect.Method.invoke(Native Method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
Caused by: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
  at androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor(AppCompatDelegateImpl.java:852)
  at androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor(AppCompatDelegateImpl.java:815)
  at androidx.appcompat.app.AppCompatDelegateImpl.initWindowDecorActionBar(AppCompatDelegateImpl.java:556)
  at androidx.appcompat.app.AppCompatDelegateImpl.getSupportActionBar(AppCompatDelegateImpl.java:543)
  at androidx.appcompat.app.AppCompatDelegateImpl.invalidateOptionsMenu(AppCompatDelegateImpl.java:1226)
  at androidx.appcompat.app.AppCompatActivity.invalidateOptionsMenu(AppCompatActivity.java:314)
  at androidx.activity.ComponentActivity.invalidateMenu(ComponentActivity.java:545)
  at androidx.activity.ComponentActivity$$ExternalSyntheticLambda2.run(Unknown Source:2)
  at androidx.core.view.MenuHostHelper.addMenuProvider(MenuHostHelper.java:116)
  at androidx.activity.ComponentActivity.addMenuProvider(ComponentActivity.java:523)
  at androidx.fragment.app.FragmentActivity$HostCallbacks.addMenuProvider(FragmentActivity.java:736)
  at androidx.fragment.app.FragmentManager.attachController(FragmentManager.java:2758)
  at androidx.fragment.app.FragmentController.attachHost(FragmentController.java:117)
  at androidx.fragment.app.FragmentActivity.lambda$init$3$androidx-fragment-app-FragmentActivity(FragmentActivity.java:140)
  at androidx.fragment.app.FragmentActivity$$ExternalSyntheticLambda0.onContextAvailable(Unknown Source:2)
  at androidx.activity.contextaware.ContextAwareHelper.dispatchOnContextAvailable(ContextAwareHelper.java:99)
  at androidx.activity.ComponentActivity.onCreate(ComponentActivity.java:352)
  at androidx.fragment.app.FragmentActivity.onCreate(FragmentActivity.java:217)
  at com.myapp.MainActivity.onCreate(MainActivity.kt:49)
  at android.app.Activity.performCreate(Activity.java:8051)
  at android.app.Activity.performCreate(Activity.java:8031)
  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1329)
  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3608)
  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3792) 
  at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103) 
  at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) 
  at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) 
  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2210) 
  at android.os.Handler.dispatchMessage(Handler.java:106) 
  at android.os.Looper.loopOnce(Looper.java:201) 
  at android.os.Looper.loop(Looper.java:288) 
  at android.app.ActivityThread.main(ActivityThread.java:7839) 
  at java.lang.reflect.Method.invoke(Native Method) 
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548) 
  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003) 

The relevant lines in MainActivity.kt:

override fun onCreate(savedInstanceState: Bundle?) {
  super.onCreate(savedInstanceState)
  installSplashScreen()
  viewBinding = MainActivityBinding.inflate(layoutInflater)
  setContentView(viewBinding.root)
  // etc.
}