diff --git a/wifi/java/android/net/wifi/rtt/IWifiRttManager.aidl b/wifi/java/android/net/wifi/rtt/IWifiRttManager.aidl
index e1ad783206112..3e37af06ab273 100644
--- a/wifi/java/android/net/wifi/rtt/IWifiRttManager.aidl
+++ b/wifi/java/android/net/wifi/rtt/IWifiRttManager.aidl
@@ -16,6 +16,8 @@
 
 package android.net.wifi.rtt;
 
+import android.os.WorkSource;
+
 import android.net.wifi.rtt.IRttCallback;
 import android.net.wifi.rtt.RangingRequest;
 
@@ -25,6 +27,7 @@ import android.net.wifi.rtt.RangingRequest;
 interface IWifiRttManager
 {
     boolean isAvailable();
-    void startRanging(in IBinder binder, in String callingPackage, in RangingRequest request,
-            in IRttCallback callback);
+    void startRanging(in IBinder binder, in String callingPackage, in WorkSource workSource,
+            in RangingRequest request, in IRttCallback callback);
+    void cancelRanging(in WorkSource workSource);
 }
diff --git a/wifi/java/android/net/wifi/rtt/WifiRttManager.java b/wifi/java/android/net/wifi/rtt/WifiRttManager.java
index c7c09239ce0dd..128d6c91e7b65 100644
--- a/wifi/java/android/net/wifi/rtt/WifiRttManager.java
+++ b/wifi/java/android/net/wifi/rtt/WifiRttManager.java
@@ -3,16 +3,19 @@ package android.net.wifi.rtt;
 import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
 import static android.Manifest.permission.ACCESS_WIFI_STATE;
 import static android.Manifest.permission.CHANGE_WIFI_STATE;
+import static android.Manifest.permission.LOCATION_HARDWARE;
 
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.annotation.SdkConstant;
+import android.annotation.SystemApi;
 import android.annotation.SystemService;
 import android.content.Context;
 import android.os.Binder;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.RemoteException;
+import android.os.WorkSource;
 import android.util.Log;
 
 import java.util.List;
@@ -94,21 +97,63 @@ public class WifiRttManager {
     @RequiresPermission(allOf = {ACCESS_COARSE_LOCATION, CHANGE_WIFI_STATE, ACCESS_WIFI_STATE})
     public void startRanging(RangingRequest request, RangingResultCallback callback,
             @Nullable Handler handler) {
+        startRanging(null, request, callback, handler);
+    }
+
+    /**
+     * Initiate a request to range to a set of devices specified in the {@link RangingRequest}.
+     * Results will be returned in the {@link RangingResultCallback} set of callbacks.
+     *
+     * @param workSource A mechanism to specify an alternative work-source for the request.
+     * @param request  A request specifying a set of devices whose distance measurements are
+     *                 requested.
+     * @param callback A callback for the result of the ranging request.
+     * @param handler  The Handler on whose thread to execute the callbacks of the {@code
+     *                 callback} object. If a null is provided then the application's main thread
+     *                 will be used.
+     *
+     * @hide (@SystemApi)
+     */
+    @RequiresPermission(allOf = {LOCATION_HARDWARE, ACCESS_COARSE_LOCATION, CHANGE_WIFI_STATE,
+            ACCESS_WIFI_STATE})
+    public void startRanging(@Nullable WorkSource workSource, RangingRequest request,
+            RangingResultCallback callback, @Nullable Handler handler) {
         if (VDBG) {
-            Log.v(TAG, "startRanging: request=" + request + ", callback=" + callback + ", handler="
-                    + handler);
+            Log.v(TAG, "startRanging: workSource=" + workSource + ", request=" + request
+                    + ", callback=" + callback + ", handler=" + handler);
         }
 
         Looper looper = (handler == null) ? Looper.getMainLooper() : handler.getLooper();
         Binder binder = new Binder();
         try {
-            mService.startRanging(binder, mContext.getOpPackageName(), request,
+            mService.startRanging(binder, mContext.getOpPackageName(), workSource, request,
                     new RttCallbackProxy(looper, callback));
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
     }
 
+    /**
+     * Cancel all ranging requests for the specified work sources. The requests have been requested
+     * using {@link #startRanging(WorkSource, RangingRequest, RangingResultCallback, Handler)}.
+     *
+     * @param workSource The work-sources of the requesters.
+     *
+     * @hide (@SystemApi)
+     */
+    @RequiresPermission(allOf = {LOCATION_HARDWARE})
+    public void cancelRanging(WorkSource workSource) {
+        if (VDBG) {
+            Log.v(TAG, "cancelRanging: workSource=" + workSource);
+        }
+
+        try {
+            mService.cancelRanging(workSource);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
     private static class RttCallbackProxy extends IRttCallback.Stub {
         private final Handler mHandler;
         private final RangingResultCallback mCallback;
diff --git a/wifi/tests/src/android/net/wifi/rtt/WifiRttManagerTest.java b/wifi/tests/src/android/net/wifi/rtt/WifiRttManagerTest.java
index 33bd9828fb1bc..300d425e8062a 100644
--- a/wifi/tests/src/android/net/wifi/rtt/WifiRttManagerTest.java
+++ b/wifi/tests/src/android/net/wifi/rtt/WifiRttManagerTest.java
@@ -85,8 +85,8 @@ public class WifiRttManagerTest {
 
         // verify ranging request passed to service
         mDut.startRanging(request, callbackMock, mMockLooperHandler);
-        verify(mockRttService).startRanging(any(IBinder.class), eq(packageName), eq(request),
-                callbackCaptor.capture());
+        verify(mockRttService).startRanging(any(IBinder.class), eq(packageName), eq(null),
+                eq(request), callbackCaptor.capture());
 
         // service calls back with success
         callbackCaptor.getValue().onRangingResults(results);
@@ -109,8 +109,8 @@ public class WifiRttManagerTest {
 
         // verify ranging request passed to service
         mDut.startRanging(request, callbackMock, mMockLooperHandler);
-        verify(mockRttService).startRanging(any(IBinder.class), eq(packageName), eq(request),
-                callbackCaptor.capture());
+        verify(mockRttService).startRanging(any(IBinder.class), eq(packageName), eq(null),
+                eq(request), callbackCaptor.capture());
 
         // service calls back with failure code
         callbackCaptor.getValue().onRangingFailure(failureCode);