title: flutter iOS has white screen
body: <p>I run my app on the simulator and keep getting a white screen. While the same works on an android simulator.</p>
  
  <p>I'm not able to find a reason in the logs.</p>
  
  <pre><code>user:$ flutter run
  
  Launching lib/main.dart on iPhone XR in debug mode...
  Running Xcode build...                                                  
  
   ├─Assembling Flutter resources...                          16.6s
   └─Compiling, linking and signing...                        12.6s
  Xcode build done.                                           39.8s
          path: satisfied (Path is satisfied), interface: en0
  Failed to find assets path for "Frameworks/App.framework/flutter_assets"
  Configuring the default Firebase app...
  6.17.0 - [Firebase/Core][I-COR000004] App with name __FIRAPP_DEFAULT does not exist.
          path: satisfied (Path is satisfied), interface: en0
  [Crashlytics] Version 3.14.0 (144)
  Configured the default Firebase app __FIRAPP_DEFAULT.
  [Fabric] [Fabric +with] called multiple times. Only the first call is honored, please pass all kits you wish to initialize
  [VERBOSE-2:engine.cc(127)] Engine run configuration was invalid.
  [VERBOSE-2:shell.cc(437)] Could not launch engine with configuration.
          [C1.1 A86E5A82-4A2C-48C3-A211-EC9399A18596 192.168.2.103:61370&lt;-&gt;216.58.207.67:443]
          Connected Path: satisfied (Path is satisfied), interface: en0   
          Duration: 0.522s, DNS @0.006s took 0.060s, TCP @0.068s took 0.032s, TLS took 0.162s
          bytes in/out: 6279/1424, packets in/out: 10/9, rtt: 0.032s, retransmitted packets: 0, out-of-order packets: 0
  6.17.0 - [Firebase/Analytics][I-ACS023007] Analytics v.60202000 started 
  6.17.0 - [Firebase/Analytics][I-ACS023008] To enable debug logging set the following application argument: -FIRAnalyticsDebugEnabled (see xx://xx.xx/xx)
  6.17.0 - [Firebase/Analytics][I-ACS031025] Analytics screen reporting is enabled. Call +[FIRAnalytics setScreenName:setScreenClass:] to set the screen name or override the default screen class name. To disable screen reporting, set the flag FirebaseScreenReportingEnabled to NO (boolean) in the Info.plist
  6.17.0 - [Firebase/Analytics][I-ACS023012] Analytics collection enabled 
  Syncing files to device iPhone XR...                                    
   9,472ms (!)                                       
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/WRDlS.png" rel="noreferrer"><img src="https://i.stack.imgur.com/WRDlS.png" alt="enter image description here"></a></p>