diff --git a/app/src/main/java/nl/eddydevink/buschauffeurswekker/MainActivity.kt b/app/src/main/java/nl/eddydevink/buschauffeurswekker/MainActivity.kt
index 0f6b3da..5c95310 100644
--- a/app/src/main/java/nl/eddydevink/buschauffeurswekker/MainActivity.kt
+++ b/app/src/main/java/nl/eddydevink/buschauffeurswekker/MainActivity.kt
@@ -57,6 +57,32 @@ class MainActivity : AppCompatActivity() {
 
         // Staat altijd zichtbaar in de status-edit: pionnen van de volgende controle alvast zetten.
         AlarmScheduler.scheduleNoonCheck(this)
+
+        // Config via launch-intent (installatie/hulp): adb shell am start ... --es url "..." --es user "..." --es pass "..."
+        handleSetupIntent(intent)
+    }
+
+    override fun onNewIntent(intent: Intent) {
+        super.onNewIntent(intent)
+        setIntent(intent)
+        handleSetupIntent(intent)
+    }
+
+    /** Slaat CalDAV-config van intent-extra's op en draait direct een controle. */
+    private fun handleSetupIntent(intent: Intent?) {
+        val url = intent?.getStringExtra(EXTRA_SETUP_URL)
+        val user = intent?.getStringExtra(EXTRA_SETUP_USER)
+        val pass = intent?.getStringExtra(EXTRA_SETUP_PASS)
+        if (url == null && user == null && pass == null) return
+        if (!url.isNullOrBlank()) prefs.calendarUrl = url.trim()
+        if (!user.isNullOrBlank()) prefs.username = user.trim()
+        if (pass != null) prefs.password = pass
+        renderSettings()
+        lifecycleScope.launch {
+            val r = ShiftCheck.run(this@MainActivity)
+            renderStatus()
+            toast(r.message)
+        }
     }
 
     override fun onResume() {
@@ -167,5 +193,8 @@ class MainActivity : AppCompatActivity() {
 
     private companion object {
         const val REQ_NOTIFICATIONS = 42
+        const val EXTRA_SETUP_URL = "url"
+        const val EXTRA_SETUP_USER = "user"
+        const val EXTRA_SETUP_PASS = "pass"
     }
 }
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