Anruf-Filter
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Auf Geräten mit Android 10 (API-Level 29) oder höher kann deine App
Anrufe von Nummern, die nicht im Adressbuch des Nutzers stehen, als potenzieller Spam
Anrufe. Nutzer können festlegen, dass Spamanrufe automatisch abgelehnt werden. Um eine bessere
Transparenz für Nutzer, wenn sie Anrufe verpassen, Informationen zu diesen blockierten
Anrufe werden in der Anrufliste gespeichert. Die Android 10 API eliminiert die
die Anforderung, die
READ_CALL_LOG
Berechtigung des Nutzers, um Anruf-Filter und Anrufer-IDs zu ermöglichen
Funktionalität.
Sie verwenden eine
CallScreeningService
um Anrufe zu filtern. Rufen Sie die Methode
onScreenCall()
für neue ein- oder ausgehende Anrufe, wenn die Nummer nicht im
in der Kontaktliste des Nutzers. Sie können die
Objekt Call.Details
für Informationen
über den Anruf. Konkret bedeutet das
getCallerNumberVerificationStatus()
enthält Informationen des Netzbetreibers über die andere Nummer.
Ist der Bestätigungsstatus fehlgeschlagen, ist dies ein Hinweis darauf, dass der Anruf
von einer ungültigen Nummer oder einem potenziellen Spamanruf stammt.
Kotlin
class ScreeningService : CallScreeningService() {
// This function is called when an ingoing or outgoing call
// is from a number not in the user's contacts list
override fun onScreenCall(callDetails: Call.Details) {
// Can check the direction of the call
val isIncoming = callDetails.callDirection == Call.Details.DIRECTION_INCOMING
if (isIncoming) {
// the handle (e.g. phone number) that the Call is currently connected to
val handle: Uri = callDetails.handle
// determine if you want to allow or reject the call
when (callDetails.callerNumberVerificationStatus) {
Connection.VERIFICATION_STATUS_FAILED -> {
// Network verification failed, likely an invalid/spam call.
}
Connection.VERIFICATION_STATUS_PASSED -> {
// Network verification passed, likely a valid call.
}
else -> {
// Network could not perform verification.
// This branch matches Connection.VERIFICATION_STATUS_NOT_VERIFIED.
}
}
}
}
}
Java
class ScreeningService extends CallScreeningService {
@Override
public void onScreenCall(@NonNull Call.Details callDetails) {
boolean isIncoming = callDetails.getCallDirection() == Call.Details.DIRECTION_INCOMING;
if (isIncoming) {
Uri handle = callDetails.getHandle();
switch (callDetails.getCallerNumberVerificationStatus()) {
case Connection.VERIFICATION_STATUS_FAILED:
// Network verification failed, likely an invalid/spam call.
break;
case Connection.VERIFICATION_STATUS_PASSED:
// Network verification passed, likely a valid call.
break;
default:
// Network could not perform verification.
// This branch matches Connection.VERIFICATION_STATUS_NOT_VERIFIED
}
}
}
}
Die aufzurufende onScreenCall()
-Funktion festlegen
respondToCall()
um dem System mitzuteilen, wie auf den neuen Anruf reagiert werden soll. Diese Funktion verwendet eine
CallResponse
Parameter, mit dem Sie das System anweisen können, den Anruf zu blockieren und ihn so abzulehnen, als ob
die der Nutzer getan hat, oder ihn stumm schalten. Sie können das System auch anweisen, das Hinzufügen
Anruf in die Anrufliste des Geräts ein.
Kotlin
// Tell the system how to respond to the incoming call
// and if it should notify the user of the call.
val response = CallResponse.Builder()
// Sets whether the incoming call should be blocked.
.setDisallowCall(false)
// Sets whether the incoming call should be rejected as if the user did so manually.
.setRejectCall(false)
// Sets whether ringing should be silenced for the incoming call.
.setSilenceCall(false)
// Sets whether the incoming call should not be displayed in the call log.
.setSkipCallLog(false)
// Sets whether a missed call notification should not be shown for the incoming call.
.setSkipNotification(false)
.build()
// Call this function to provide your screening response.
respondToCall(callDetails, response)
Java
// Tell the system how to respond to the incoming call
// and if it should notify the user of the call.
CallResponse.Builder response = new CallResponse.Builder();
// Sets whether the incoming call should be blocked.
response.setDisallowCall(false);
// Sets whether the incoming call should be rejected as if the user did so manually.
response.setRejectCall(false);
// Sets whether ringing should be silenced for the incoming call.
response.setSilenceCall(false);
// Sets whether the incoming call should not be displayed in the call log.
response.setSkipCallLog(false);
// Sets whether a missed call notification should not be shown for the incoming call.
response.setSkipNotification(false);
// Call this function to provide your screening response.
respondToCall(callDetails, response.build());
Sie müssen die CallScreeningService
-Implementierung im Manifest registrieren
Datei mit dem entsprechenden Intent-Filter und der entsprechenden Berechtigung, damit das System
es richtig machen.
<service
android:name=".ScreeningService"
android:permission="android.permission.BIND_SCREENING_SERVICE">
<intent-filter>
<action android:name="android.telecom.CallScreeningService" />
</intent-filter>
</service>
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Zuletzt aktualisiert: 2025-08-28 (UTC).
[[["Leicht verständlich","easyToUnderstand","thumb-up"],["Mein Problem wurde gelöst","solvedMyProblem","thumb-up"],["Sonstiges","otherUp","thumb-up"]],[["Benötigte Informationen nicht gefunden","missingTheInformationINeed","thumb-down"],["Zu umständlich/zu viele Schritte","tooComplicatedTooManySteps","thumb-down"],["Nicht mehr aktuell","outOfDate","thumb-down"],["Problem mit der Übersetzung","translationIssue","thumb-down"],["Problem mit Beispielen/Code","samplesCodeIssue","thumb-down"],["Sonstiges","otherDown","thumb-down"]],["Zuletzt aktualisiert: 2025-08-28 (UTC)."],[],[],null,["Devices that run Android 10 (API level 29) or higher allow your app to identify\ncalls from numbers that aren't in the user's address book as potential spam\ncalls. Users can choose to have spam calls silently rejected. To provide greater\ntransparency to users when they miss calls, information about these blocked\ncalls is logged in the call log. Using the Android 10 API eliminates the\nrequirement to obtain the\n[`READ_CALL_LOG`](/reference/android/Manifest.permission#READ_CALL_LOG)\npermission from the user in order to provide call screening and caller ID\nfunctionality.\n\nYou use a\n[`CallScreeningService`](/reference/android/telecom/CallScreeningService)\nimplementation to screen calls. Call the\n[`onScreenCall()`](/reference/android/telecom/CallScreeningService#onScreenCall(android.telecom.Call.Details))\nfunction for any new incoming or outgoing calls when the number is not in the\nuser's contact list. You can check the\n[`Call.Details`](/reference/android/telecom/Call.Details) object for information\nabout the call. Specifically, the\n[`getCallerNumberVerificationStatus()`](/reference/android/telecom/Call.Details#getCallerNumberVerificationStatus())\nfunction includes information from the network provider about the other number.\nIf the verification status failed, this is a good indication that the call is\nfrom an invalid number or a potential spam call. \n\nKotlin \n\n```kotlin\nclass ScreeningService : CallScreeningService() {\n // This function is called when an ingoing or outgoing call\n // is from a number not in the user's contacts list\n override fun onScreenCall(callDetails: Call.Details) {\n // Can check the direction of the call\n val isIncoming = callDetails.callDirection == Call.Details.DIRECTION_INCOMING\n\n if (isIncoming) {\n // the handle (e.g. phone number) that the Call is currently connected to\n val handle: Uri = callDetails.handle\n\n // determine if you want to allow or reject the call\n when (callDetails.callerNumberVerificationStatus) {\n Connection.VERIFICATION_STATUS_FAILED -\u003e {\n // Network verification failed, likely an invalid/spam call.\n }\n Connection.VERIFICATION_STATUS_PASSED -\u003e {\n // Network verification passed, likely a valid call.\n }\n else -\u003e {\n // Network could not perform verification.\n // This branch matches Connection.VERIFICATION_STATUS_NOT_VERIFIED.\n }\n }\n }\n }\n}\n```\n\nJava \n\n```java\nclass ScreeningService extends CallScreeningService {\n @Override\n public void onScreenCall(@NonNull Call.Details callDetails) {\n boolean isIncoming = callDetails.getCallDirection() == Call.Details.DIRECTION_INCOMING;\n\n if (isIncoming) {\n Uri handle = callDetails.getHandle();\n\n switch (callDetails.getCallerNumberVerificationStatus()) {\n case Connection.VERIFICATION_STATUS_FAILED:\n // Network verification failed, likely an invalid/spam call.\n break;\n case Connection.VERIFICATION_STATUS_PASSED:\n // Network verification passed, likely a valid call.\n break;\n default:\n // Network could not perform verification.\n // This branch matches Connection.VERIFICATION_STATUS_NOT_VERIFIED\n }\n }\n }\n}\n```\n\nSet the `onScreenCall()` function to call\n[`respondToCall()`](/reference/android/telecom/CallScreeningService#respondToCall(android.telecom.Call.Details,%20android.telecom.CallScreeningService.CallResponse))\nto tell the system how to respond to the new call. This function takes a\n[`CallResponse`](/reference/android/telecom/CallScreeningService.CallResponse)\nparameter that you can use to tell the system to block the call, reject it as if\nthe user did, or silence it. You can also tell the system to skip adding this\ncall to the device's call log altogether. \n\nKotlin \n\n```kotlin\n// Tell the system how to respond to the incoming call\n// and if it should notify the user of the call.\nval response = CallResponse.Builder()\n // Sets whether the incoming call should be blocked.\n .setDisallowCall(false)\n // Sets whether the incoming call should be rejected as if the user did so manually.\n .setRejectCall(false)\n // Sets whether ringing should be silenced for the incoming call.\n .setSilenceCall(false)\n // Sets whether the incoming call should not be displayed in the call log.\n .setSkipCallLog(false)\n // Sets whether a missed call notification should not be shown for the incoming call.\n .setSkipNotification(false)\n .build()\n\n// Call this function to provide your screening response.\nrespondToCall(callDetails, response)\n```\n\nJava \n\n```java\n// Tell the system how to respond to the incoming call\n// and if it should notify the user of the call.\nCallResponse.Builder response = new CallResponse.Builder();\n// Sets whether the incoming call should be blocked.\nresponse.setDisallowCall(false);\n// Sets whether the incoming call should be rejected as if the user did so manually.\nresponse.setRejectCall(false);\n// Sets whether ringing should be silenced for the incoming call.\nresponse.setSilenceCall(false);\n// Sets whether the incoming call should not be displayed in the call log.\nresponse.setSkipCallLog(false);\n// Sets whether a missed call notification should not be shown for the incoming call.\nresponse.setSkipNotification(false);\n\n// Call this function to provide your screening response.\nrespondToCall(callDetails, response.build());\n```\n\nYou must register the `CallScreeningService` implementation in the manifest\nfile with the appropriate intent filter and permission so the system can trigger\nit correctly. \n\n \u003cservice\n android:name=\".ScreeningService\"\n android:permission=\"android.permission.BIND_SCREENING_SERVICE\"\u003e\n \u003cintent-filter\u003e\n \u003caction android:name=\"android.telecom.CallScreeningService\" /\u003e\n \u003c/intent-filter\u003e\n \u003c/service\u003e"]]