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18 posts · Page 2 of 2

2026-08-21 errors flutter ios

Fix: [firebase_messaging/apns-token-not-set] APNS token has not been set on Flutter iOS

getToken() runs before APNs hands iOS the device token. Poll getAPNSToken() until it returns non-null, then call getToken(). Check the Push Notifications capability if it never arrives.

2026-08-20 errors flutter ios

Fix: Unable to find a destination matching the provided destination specifier in a Flutter iOS build

iOS 26 simulator runtimes are arm64-only, so a leftover EXCLUDED_ARCHS arm64 line builds an Intel-only Runner no simulator can execute. Drop the exclusion.

2026-08-14 errors flutter dart

Fix: mprotect failed: 13 (Permission denied) in a Flutter iOS debug build

iOS blocks the Dart VM from flipping memory pages to executable, so JIT dies at startup. Upgrade to Flutter 3.35.0 or later for iOS 26, 3.32.0 for iOS 18.4. There is no entitlement that fixes it.

2026-07-31 errors flutter ios

Fix: CocoaPods could not find compatible versions for pod during a Flutter iOS build

Read the second line of the error, not the first. It names the cause: a stale Podfile.lock snapshot, a deployment target that is too low, or two plugins pinning the same transitive pod.

2026-05-17 errors flutter ios

Fix: Failed to build iOS app with Xcode 16 and Flutter 3.x

The fix in 60 seconds: upgrade Flutter to 3.24.4 or later, raise the Podfile platform to iOS 13, wipe Pods plus DerivedData, then pod install. The error rarely lives in your Dart code.

2026-05-16 errors dotnet dotnet-11

Fix: Provisioning profile doesn't include the currently selected device in MAUI iOS

The profile Visual Studio picked was generated before this iPhone's UDID was registered. Re-register the device, regenerate the development profile, redownload, redeploy.

2026-05-16 errors dotnet dotnet-11

Fix: Unable to find a valid iOS Simulator runtime during MAUI build

Xcode 15+ ships without bundled iOS simulator runtimes. MAUI fails the build when SupportedOSPlatformVersion has no matching runtime installed. Install one with xcodebuild -downloadPlatform iOS or via Xcode Settings, then verify with xcrun simctl list runtimes.

2026-05-05 flutter dart android

How to add platform-specific code in Flutter without plugins

Call native Android (Kotlin) and iOS (Swift) code from a Flutter 3.x app without writing a plugin: MethodChannel, EventChannel, BasicMessageChannel, the StandardMessageCodec type table, threading rules, and the cases where a plugin still wins.