resume栈顶Activity--Android P

红太狼 2022-01-29 14:29 177阅读 0赞

ActivityStackSuperior\#resumeFocusedStackTopActivityLocked() ->ActivityStack\#resumeTopActivityUncheckedLocked()->resumeTopActivityInnerLocked()

final ClientTransaction transaction = ClientTransaction.obtain(next.app.thread,
                                next.appToken);
                        // Deliver all pending results.
                        ArrayList<ResultInfo> a = next.results;
                        if (a != null) {
                            final int N = a.size();
                            if (!next.finishing && N > 0) {
                                if (DEBUG_RESULTS) Slog.v(TAG_RESULTS,
                                        "Delivering results to " + next + ": " + a);
                                transaction.addCallback(ActivityResultItem.obtain(a));
                            }
                        }
    
                        if (next.newIntents != null) {
                            transaction.addCallback(NewIntentItem.obtain(next.newIntents,
                                    false /* andPause */));
                        }
    
                        next.sleeping = false;
                        mService.getAppWarningsLocked().onResumeActivity(next);
                        transaction.setLifecycleStateRequest(
                                ResumeActivityItem.obtain(next.app.repProcState,
                                        mService.isNextTransitionForward()));
                        mService.getLifecycleManager().scheduleTransaction(transaction);

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