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Commit 410ce026 authored by Tyler Gunn's avatar Tyler Gunn
Browse files

Handle null bindings returned from ConnectionService. 

When a ConnectionService returns a null binding, immediately unbind from
the ConnectionService and cancel any ongoing calls related to it.

Bug: 211114016
Test: Added new CTS test to verify auto unbind from null binding ConnectionService.
Test: Manually tested using test app which implements null binding ConnectionService and verified via telecom log inspection that the service is unbound and the call is terminated.
Change-Id: I0757557e66725dddfd871cd9857071a8749bd7ba
parent ae55381d

src/com/android/server/telecom/ServiceBinder.java

+24 −1
Original line number Diff line number Diff line
@@ -149,7 +149,6 @@ public abstract class ServiceBinder { 
                    Log.i(this, "Service bound %s", componentName);



                    Log.addEvent(mCall, LogUtils.Events.CS_BOUND, componentName);

                    mCall = null;



                    // Unbind request was queued so unbind immediately.

                    if (mIsBindingAborted) {
@@ -191,6 +190,30 @@ public abstract class ServiceBinder { 
                Log.endSession();

            }

        }



        /**

         * Handles the case where the {@link ConnectionService} we bound to returned a null binding.

         * We want to unbind from the service and cleanup and call resources at this time.

         * @param componentName The component of the {@link ConnectionService}.

         */

        @Override

        public void onNullBinding(ComponentName componentName) {

            try {

                Log.startSession("SBC.oNB");

                synchronized (mLock) {

                    Log.w(this, "Null binding %s", componentName);

                    Log.addEvent(mCall, "NULL_BINDING", componentName);

                    String componentStr = componentName == null ? "null" : componentName.toString();

                    android.util.EventLog.writeEvent(0x534e4554, "211114016", -1, componentStr);

                    logServiceDisconnected("onNullBinding");

                    mContext.unbindService(this);

                    clearAbort();

                    handleFailedConnection();

                }

            } finally {

                Log.endSession();

            }

        }

    }



    private void handleDisconnect() {