block app start if appLaunchedInForeground is not set.

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Features
+
+- Blocking app starts if "appLaunchedInForeground" is false. (Android only) ([#2291](https://github.com/getsentry/sentry-dart/pull/2291)
+
 ### Enhancements
 
 - Improve app start integration ([#2266](https://github.com/getsentry/sentry-dart/pull/2266))

flutter/android/src/main/kotlin/io/sentry/flutter/SentryFlutter.kt

@@ -65,7 +65,7 @@ class SentryFlutter(
     }
     data.getIfNotNull<String>("diagnosticLevel") {
       if (options.isDebug) {
-        val sentryLevel = SentryLevel.valueOf(it.toUpperCase(Locale.ROOT))
+        val sentryLevel = SentryLevel.valueOf(it.uppercase(Locale.ROOT))
         options.setDiagnosticLevel(sentryLevel)
       }
     }

flutter/android/src/main/kotlin/io/sentry/flutter/SentryFlutterPlugin.kt

@@ -171,6 +171,11 @@ class SentryFlutterPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
 
     val appStartMetrics = AppStartMetrics.getInstance()
 
+    if (!appStartMetrics.isAppLaunchedInForeground) {
+      Log.w("Sentry", "App not launched in Foreground")
+      result.success(null)
+    }
+
     val appStartTimeSpan = appStartMetrics.appStartTimeSpan
     val appStartTime = appStartTimeSpan.startTimestamp
     val isColdStart = appStartMetrics.appStartType == AppStartMetrics.AppStartType.COLD