2 files changed, 29 insertions, 0 deletions
diff --git a/java/com/android/incallui/call/CallList.java b/java/com/android/incallui/call/CallList.java
index eccdceeca..04e02c45b 100644
--- a/java/com/android/incallui/call/CallList.java
+++ b/java/com/android/incallui/call/CallList.java
@@ -745,6 +745,7 @@ public class CallList implements DialerCallDelegate {
     call.setState(DialerCall.State.IDLE);
     updateCallInMap(call);
     notifyGenericListeners();
+    call.onDestroy();
   }
 
   /**
diff --git a/java/com/android/incallui/call/DialerCall.java b/java/com/android/incallui/call/DialerCall.java
index 3372c0329..5d32f46ad 100644
--- a/java/com/android/incallui/call/DialerCall.java
+++ b/java/com/android/incallui/call/DialerCall.java
@@ -57,6 +57,8 @@ import com.android.dialer.callintent.CallIntentParser;
 import com.android.dialer.callintent.CallSpecificAppData;
 import com.android.dialer.common.Assert;
 import com.android.dialer.common.LogUtil;
+import com.android.dialer.common.concurrent.DefaultFutureCallback;
+import com.android.dialer.common.concurrent.DialerExecutorComponent;
 import com.android.dialer.compat.telephony.TelephonyManagerCompat;
 import com.android.dialer.configprovider.ConfigProviderBindings;
 import com.android.dialer.duo.DuoComponent;
@@ -74,6 +76,7 @@ import com.android.dialer.logging.DialerImpression;
 import com.android.dialer.logging.Logger;
 import com.android.dialer.preferredsim.PreferredAccountRecorder;
 import com.android.dialer.rtt.RttTranscript;
+import com.android.dialer.rtt.RttTranscriptUtil;
 import com.android.dialer.telecom.TelecomCallUtil;
 import com.android.dialer.telecom.TelecomUtil;
 import com.android.dialer.theme.R;
@@ -86,6 +89,9 @@ import com.android.incallui.videotech.duo.DuoVideoTech;
 import com.android.incallui.videotech.empty.EmptyVideoTech;
 import com.android.incallui.videotech.ims.ImsVideoTech;
 import com.android.incallui.videotech.utils.VideoUtils;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
@@ -536,6 +542,28 @@ public class DialerCall implements VideoTechListener, StateChangedListener, Capa
     return countryIso;
   }
 
+  /**
+   * Called when call is disconnected and removed from {@link CallList}, UI may already be destroyed
+   * at this point. This is last chance to do something for the call.
+   */
+  public void onDestroy() {
+    LogUtil.enterBlock("DialerCall.onDestroy");
+    if (rttTranscript != null) {
+      RttTranscript rttTranscriptToSave = rttTranscript;
+      ListenableFuture<Void> future =
+          DialerExecutorComponent.get(context)
+              .backgroundExecutor()
+              .submit(
+                  () -> {
+                    new RttTranscriptUtil(context).saveRttTranscript(rttTranscriptToSave);
+                    return null;
+                  });
+      Futures.addCallback(future, new DefaultFutureCallback<>(), MoreExecutors.directExecutor());
+      // Sets to null so it won't be saved again when called multiple times.
+      rttTranscript = null;
+    }
+  }
+
   private void updateIsVoiceMailNumber() {
     if (getHandle() != null && PhoneAccount.SCHEME_VOICEMAIL.equals(getHandle().getScheme())) {
       isVoicemailNumber = true;