5379    public static void main(String[] args) {

5380        Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "ActivityThreadMain");

5381        SamplingProfilerIntegration.start();

5382

5383        // CloseGuard defaults to true and can be quite spammy.  We

5384        // disable it here, but selectively enable it later (via

5385        // StrictMode) on debug builds, but using DropBox, not logs.

5386        CloseGuard.setEnabled(false);

5387

5388        Environment.initForCurrentUser();

5389

5390        // Set the reporter for event logging in libcore

5391        EventLogger.setReporter(new EventLoggingReporter());

5392

5393        AndroidKeyStoreProvider.install();

5394

5395        // Make sure TrustedCertificateStore looks in the right place for CA certificates

5396        final File configDir = Environment.getUserConfigDirectory(UserHandle.myUserId());

5397        TrustedCertificateStore.setDefaultUserDirectory(configDir);

5398

5399        Process.setArgV0("<pre-initialized>");

5400

5401        Looper.prepareMainLooper();

5402

5403        ActivityThread thread = new ActivityThread();

5404        thread.attach(false);

5405

5406        if (sMainThreadHandler == null) {

5407            sMainThreadHandler = thread.getHandler();

5408        }

5409

5410        if (false) {

5411            Looper.myLooper().setMessageLogging(new

5412                    LogPrinter(Log.DEBUG, "ActivityThread"));

5413        }

5414

5415        // End of event ActivityThreadMain.

5416        Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);

5417        Looper.loop();

5418

5419        throw new RuntimeException("Main thread loop unexpectedly exited");

5420    }

5421}