GitHub user leonelgregioauler closed a discussion: White Screen on iOS

Hi all !!

I have created an app. Into Android platform it works fine ! But into iOS 
platform, the app starts with a white screen.
I have low experience with iOS apps, it can be a simple problem, but I don't 
know how to resolve.
I'm using MacInCloud plan.
The problem occur in Simulator and into TestFlight.

Below, print and informations about versions and tests:

Thanks in advance !!

**Versions:**

![image](https://github.com/user-attachments/assets/97066d5e-785e-41b5-b820-6912c4e658c2)

**Tests:**

**iPhone 14 and 14 ProMax**
![image](https://github.com/user-attachments/assets/d0b49dca-a748-4988-8cb1-2a5ee7f3727a)

**iPhone 15 and 15 ProMax**
![image](https://github.com/user-attachments/assets/1e626352-66f8-4ebf-8fd6-d3add4171811)


**Debug:** 

**iPhone 14 and 14 ProMax**

2025-06-26 14:10:22.634442-0400 Howse[39389:515607] [SceneConfiguration] 
Info.plist contained no UIScene configuration dictionary (looking for 
configuration named "(no name)")
2025-06-26 14:10:22.638745-0400 Howse[39389:515607] Apache Cordova iOS platform 
version 7.1.1 is starting.
2025-06-26 14:10:22.650126-0400 Howse[39389:515607] Could not load the 
"LaunchStoryboard" image referenced from a nib in the bundle with identifier 
"com.leonelgregioauler.vistorias"
2025-06-26 14:10:23.006712-0400 Howse[39389:515607] The preference key 
"AllowNewWindows" is not defined and will default to "FALSE"
2025-06-26 14:10:23.007180-0400 Howse[39389:515607] The preference key 
"MediaPlaybackAllowsAirPlay" is not defined and will default to "TRUE"
2025-06-26 14:10:23.007287-0400 Howse[39389:515607] The preference key 
"LimitsNavigationsToAppBoundDomains" is not defined and will default to "FALSE"
2025-06-26 14:10:23.009062-0400 Howse[39389:515607] The preference key 
"AllowBackForwardNavigationGestures" is not defined and will default to "FALSE"
2025-06-26 14:10:23.009128-0400 Howse[39389:515607] The preference key 
"Allow3DTouchLinkPreview" is not defined and will default to "TRUE"
2025-06-26 14:10:23.009169-0400 Howse[39389:515607] CDVWebViewEngine will 
reload WKWebView if required on resume
2025-06-26 14:10:23.009210-0400 Howse[39389:515607] Using WKWebView
2025-06-26 14:10:23.009521-0400 Howse[39389:515607] [CDVTimer][console] 
0.016093ms
2025-06-26 14:10:23.009604-0400 Howse[39389:515607] [CDVTimer][handleopenurl] 
0.018954ms
2025-06-26 14:10:23.010063-0400 Howse[39389:515607] 
[CDVTimer][intentandnavigationfilter] 0.419021ms
2025-06-26 14:10:23.010127-0400 Howse[39389:515607] [CDVTimer][gesturehandler] 
0.018001ms
2025-06-26 14:10:23.010335-0400 Howse[39389:515607] [CDVTimer][inappbrowser] 
0.164986ms
2025-06-26 14:10:23.010377-0400 Howse[39389:515607] 
[CDVTimer][TotalPluginStartup] 0.879049ms
2025-06-26 14:10:24.092967-0400 Howse[39389:515607] IAB.close() called but it 
was already closed.
2025-06-26 14:10:24.421874-0400 Howse[39389:515607] App carregando...
2025-06-26 14:10:24.441060-0400 Howse[39389:515607] The preference key 
"AutoHideSplashScreen" is not defined and will default to "TRUE"
2025-06-26 14:10:24.475787-0400 Howse[39389:515607] OPEN database: 
App-Vistorias.db
2025-06-26 14:10:24.476084-0400 Howse[39389:515607] -[SQLitePlugin 
pluginInitialize] [Line 38] Initializing SQLitePlugin
2025-06-26 14:10:24.476268-0400 Howse[39389:515607] -[SQLitePlugin 
pluginInitialize] [Line 45] Detected docs path: 
/Users/user943065/Library/Developer/CoreSimulator/Devices/D42C1F92-46EB-4687-A06F-D2F4A37E731E/data/Containers/Data/Application/17F64562-9189-45B6-BE7E-FF02A0731D56/Documents
2025-06-26 14:10:24.476325-0400 Howse[39389:515607] -[SQLitePlugin 
pluginInitialize] [Line 49] Detected Library path: 
/Users/user943065/Library/Developer/CoreSimulator/Devices/D42C1F92-46EB-4687-A06F-D2F4A37E731E/data/Containers/Data/Application/17F64562-9189-45B6-BE7E-FF02A0731D56/Library
2025-06-26 14:10:24.476542-0400 Howse[39389:515607] -[SQLitePlugin 
pluginInitialize] [Line 71] no cloud sync directory created with path: 
/Users/user943065/Library/Developer/CoreSimulator/Devices/D42C1F92-46EB-4687-A06F-D2F4A37E731E/data/Containers/Data/Application/17F64562-9189-45B6-BE7E-FF02A0731D56/Library/LocalDatabase
2025-06-26 14:10:24.476665-0400 Howse[39389:515607] -[SQLitePlugin 
pluginInitialize] [Line 93] no cloud sync at path: 
/Users/user943065/Library/Developer/CoreSimulator/Devices/D42C1F92-46EB-4687-A06F-D2F4A37E731E/data/Containers/Data/Application/17F64562-9189-45B6-BE7E-FF02A0731D56/Library/LocalDatabase
2025-06-26 14:10:24.476750-0400 Howse[39389:516380] -[SQLitePlugin closeNow:] 
[Line 233] close: db name was not open: App-Vistorias.db
2025-06-26 14:10:24.477943-0400 Howse[39389:516388] -[SQLitePlugin openNow:] 
[Line 176] open full db path: 
/Users/user943065/Library/Developer/CoreSimulator/Devices/D42C1F92-46EB-4687-A06F-D2F4A37E731E/data/Containers/Data/Application/17F64562-9189-45B6-BE7E-FF02A0731D56/Library/LocalDatabase/App-Vistorias.db
2025-06-26 14:10:24.485690-0400 Howse[39389:515607] OPEN database: 
App-Vistorias.db - OK
2025-06-26 14:10:24.485786-0400 Howse[39389:515607] DB opened: App-Vistorias.db

**iPhone 15 and 15 ProMax**

Apache Cordova iOS platform version 7.1.1 is starting.
Warning: -[BETextInput attributedMarkedText] is unimplemented
The preference key "AllowNewWindows" is not defined and will default to "FALSE"
The preference key "MediaPlaybackAllowsAirPlay" is not defined and will default 
to "TRUE"
The preference key "LimitsNavigationsToAppBoundDomains" is not defined and will 
default to "FALSE"
The preference key "InspectableWebview" is not defined and will default to 
"TRUE"
The preference key "AllowBackForwardNavigationGestures" is not defined and will 
default to "FALSE"
The preference key "Allow3DTouchLinkPreview" is not defined and will default to 
"TRUE"
CDVWebViewEngine will reload WKWebView if required on resume
Using WKWebView
[CDVTimer][console] 0.020981ms
[CDVTimer][handleopenurl] 0.012040ms
[CDVTimer][intentandnavigationfilter] 0.425935ms
[CDVTimer][gesturehandler] 0.015974ms
[CDVTimer][inappbrowser] 0.193000ms
[CDVTimer][TotalPluginStartup] 0.999928ms
Failed to resolve host network app id
Failed to request query parameters from WebPrivacy.
IAB.close() called but it was already closed.
Failed to request allowed query parameters from WebPrivacy.
App carregando...
The preference key "AutoHideSplashScreen" is not defined and will default to 
"TRUE"
OPEN database: App-Vistorias.db
-[SQLitePlugin pluginInitialize] [Line 38] Initializing SQLitePlugin
-[SQLitePlugin pluginInitialize] [Line 45] Detected docs path: 
/Users/user943065/Library/Developer/CoreSimulator/Devices/0500DBFC-C445-49C6-AF89-FD5FE909EF2B/data/Containers/Data/Application/9444363A-2E5A-46DB-BDEE-B0D7CF0DCA92/Documents
-[SQLitePlugin pluginInitialize] [Line 49] Detected Library path: 
/Users/user943065/Library/Developer/CoreSimulator/Devices/0500DBFC-C445-49C6-AF89-FD5FE909EF2B/data/Containers/Data/Application/9444363A-2E5A-46DB-BDEE-B0D7CF0DCA92/Library
-[SQLitePlugin pluginInitialize] [Line 71] no cloud sync directory created with 
path: 
/Users/user943065/Library/Developer/CoreSimulator/Devices/0500DBFC-C445-49C6-AF89-FD5FE909EF2B/data/Containers/Data/Application/9444363A-2E5A-46DB-BDEE-B0D7CF0DCA92/Library/LocalDatabase
-[SQLitePlugin pluginInitialize] [Line 93] no cloud sync at path: 
/Users/user943065/Library/Developer/CoreSimulator/Devices/0500DBFC-C445-49C6-AF89-FD5FE909EF2B/data/Containers/Data/Application/9444363A-2E5A-46DB-BDEE-B0D7CF0DCA92/Library/LocalDatabase
-[SQLitePlugin closeNow:] [Line 233] close: db name was not open: 
App-Vistorias.db
-[SQLitePlugin openNow:] [Line 176] open full db path: 
/Users/user943065/Library/Developer/CoreSimulator/Devices/0500DBFC-C445-49C6-AF89-FD5FE909EF2B/data/Containers/Data/Application/9444363A-2E5A-46DB-BDEE-B0D7CF0DCA92/Library/LocalDatabase/App-Vistorias.db
OPEN database: App-Vistorias.db - OK
DB opened: App-Vistorias.db


GitHub link: https://github.com/apache/cordova/discussions/550

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