def _StartActivityAndWaitForLinkerTestStatus(device, timeout):
"""Force-start an activity and wait up to |timeout| seconds until the full
linker test status lines appear in the logcat, recorded through |device|.
Args:
device: A DeviceUtils instance.
timeout: Timeout in seconds
Returns:
A (status, logs) tuple, where status is a ResultType constant, and logs
if the final logcat output as a string.
"""
# 1. Start recording logcat with appropriate filters.
with device.GetLogcatMonitor(filter_specs=_LOGCAT_FILTERS) as logmon:
# 2. Force-start activity.
device.StartActivity(
intent.Intent(package=_PACKAGE_NAME, activity=_ACTIVITY_NAME),
force_stop=True)
# 3. Wait up to |timeout| seconds until the test status is in the logcat.
result = ResultType.PASS
try:
browser_match = logmon.WaitFor(_RE_BROWSER_STATUS_LINE, timeout=timeout)
logging.debug('Found browser match: %s', browser_match.group(0))
renderer_match = logmon.WaitFor(_RE_RENDERER_STATUS_LINE,
timeout=timeout)
logging.debug('Found renderer match: %s', renderer_match.group(0))
if (browser_match.group(1) != 'SUCCESS'
or renderer_match.group(1) != 'SUCCESS'):
result = ResultType.FAIL
except device_errors.CommandTimeoutError:
result = ResultType.TIMEOUT
return result, '\n'.join(device.adb.Logcat(dump=True))
def GetCategories(device, package_info):
with device.GetLogcatMonitor() as logmon:
device.BroadcastIntent(
intent.Intent(action='%s.GPU_PROFILER_LIST_CATEGORIES' %
package_info.package))
try:
json_category_list = logmon.WaitFor(
re.compile(r'{"traceCategoriesList(.*)'),
timeout=5).group(0)
except device_errors.CommandTimeoutError:
raise RuntimeError(
'Performance trace category list marker not found. '
'Is the correct version of the browser running?')
record_categories = set()
disabled_by_default_categories = set()
json_data = json.loads(json_category_list)['traceCategoriesList']
for item in json_data:
for category in item.split(','):
if category.startswith('disabled-by-default'):
disabled_by_default_categories.add(category)
else:
record_categories.add(category)
return list(record_categories), list(disabled_by_default_categories)
def testWebView(self):
if self._device is None:
logging.warning('No device found, skipping test.')
return
start_intent = intent.Intent(
package='com.google.android.googlequicksearchbox',
activity='.SearchActivity',
action='com.google.android.googlequicksearchbox.GOOGLE_SEARCH',
data=None,
extras={'query': 'google'},
category=None)
search_app = self.CreateAndroidApp(start_intent)
search_process = search_app.GetProcess(':search')
search_process._UpdateDevToolsClient()
# TODO(ariblue): Replace the app used in this test with one in which the
# setWebContentsDebuggingEnabled method is called on the WebView class.
# This will configure webviews for debugging with chrome devtools inspector
# and allow us to remove this check.
if search_process._devtools_client is None:
return
webview = search_app.GetProcess(':search').GetWebViews().pop()
webview.Navigate('https://www.google.com/search?q=flowers')
time.sleep(5)
def StartTracing(self, interval):
self._trace_interval = interval
self._device.old_interface.SyncLogCat()
start_extras = {'categories': ','.join(self._categories)}
if self._ring_buffer:
start_extras['continuous'] = None
self._device.BroadcastIntent(intent.Intent(
action='%s.GPU_PROFILER_START' % self._package_info.package,
extras=start_extras))
if self._trace_memory:
self._device.old_interface.EnableAdbRoot()
self._device.SetProp(_HEAP_PROFILE_MMAP_PROPERTY, 1)
# Chrome logs two different messages related to tracing:
#
# 1. "Logging performance trace to file"
# 2. "Profiler finished. Results are in [...]"
#
# The first one is printed when tracing starts and the second one indicates
# that the trace file is ready to be pulled.
try:
self._device.old_interface.WaitForLogMatch(
self._trace_start_re, None, timeout=5)
self._is_tracing = True
except pexpect.TIMEOUT:
raise RuntimeError('Trace start marker not found. Is the correct version '
'of the browser running?')
def StopTracing(self):
self._device.BroadcastIntent(
intent.Intent(action='%s.GPU_PROFILER_STOP' %
self._package_info.package))
self._trace_file = self._device.old_interface.WaitForLogMatch(
self._trace_finish_re, None, timeout=120).group(1)
if self._trace_memory:
self._device.SetProp(_HEAP_PROFILE_MMAP_PROPERTY, 0)
def _StartActivity(self, device, force_stop=True):
device.StartActivity(
intent.Intent(package=self._package_info.package,
activity=self._package_info.activity,
action='android.intent.action.MAIN'),
# No wait since the runner waits for FIFO creation anyway.
blocking=False,
force_stop=force_stop)
def _StartChrome(self, package_info, url):
print 'Launching chrome...'
self._device.StartActivity(
intent.Intent(package=package_info.package,
activity=package_info.activity,
data=url,
extras={'create_new_tab' : True}),
blocking=True, force_stop=True)
def RunTest(self, test_name):
"""Run a Monkey test on the device.
Args:
test_name: String to use for logging the test result.
Returns:
A tuple of (TestRunResults, retry).
"""
self.device.StartActivity(intent.Intent(
package=self._package,
activity=self._activity,
action='android.intent.action.MAIN'),
blocking=True,
force_stop=True)
# Chrome crashes are not always caught by Monkey test runner.
# Verify Chrome has the same PID before and after the test.
before_pids = self.device.GetPids(self._package)
# Run the test.
output = ''
if before_pids:
output = '\n'.join(self._LaunchMonkeyTest())
after_pids = self.device.GetPids(self._package)
crashed = True
if not self._package in before_pids:
logging.error('Failed to start the process.')
elif not self._package in after_pids:
logging.error('Process %s has died.', before_pids[self._package])
elif before_pids[self._package] != after_pids[self._package]:
logging.error('Detected process restart %s -> %s',
before_pids[self._package],
after_pids[self._package])
else:
crashed = False
results = base_test_result.TestRunResults()
success_pattern = 'Events injected: %d' % self._options.event_count
if success_pattern in output and not crashed:
result = base_test_result.BaseTestResult(
test_name, base_test_result.ResultType.PASS, log=output)
else:
result = base_test_result.BaseTestResult(
test_name, base_test_result.ResultType.FAIL, log=output)
if 'chrome' in self._options.package:
logging.warning('Starting MinidumpUploadService...')
try:
self.device.old_interface.StartCrashUploadService(
self._package)
except AssertionError as e:
logging.error('Failed to start MinidumpUploadService: %s',
e)
results.AddResult(result)
return results, False
def setUp(self):
devices = android_commands.GetAttachedDevices()
self.browser = 'stable'
self.package_info = profiler.GetSupportedBrowsers()[self.browser]
self.device = device_utils.DeviceUtils(devices[0])
self.device.StartActivity(intent.Intent(
activity=self.package_info.activity,
package=self.package_info.package),
blocking=True)
def StopTracing(self):
if self._is_tracing:
self._device.BroadcastIntent(
intent.Intent(action='%s.GPU_PROFILER_STOP' %
self._package_info.package))
self._trace_file = self._logcat_monitor.WaitFor(
self._trace_finish_re, timeout=120).group(1)
self._is_tracing = False
if self._trace_memory:
self._device.SetProp(_HEAP_PROFILE_MMAP_PROPERTY, 0)
def setUp(self):
devices = device_utils.DeviceUtils.HealthyDevices()
self.browser = 'stable'
self.package_info = profiler.GetSupportedBrowsers()[self.browser]
self.device = devices[0]
self.device.ForceStop(self.package_info.package)
self.device.StartActivity(
intent.Intent(activity=self.package_info.activity,
package=self.package_info.package),
blocking=True)
def _SetupTracing(self):
# TODO(lizeb): Figure out how to clean up the command-line file when
# _TearDownTracing() is not executed in StopTracing().
changer = flag_changer.FlagChanger(self._device,
self._package_info.cmdline_file)
changer.AddFlags(['--trace-startup'])
self._device.ForceStop(self._package_info.package)
if self._cold:
self._device.EnableRoot()
cache_control.CacheControl(self._device).DropRamCaches()
launch_intent = None
if self._url == '':
launch_intent = intent.Intent(action='android.intent.action.MAIN',
package=self._package_info.package,
activity=self._package_info.activity)
else:
launch_intent = intent.Intent(package=self._package_info.package,
activity=self._package_info.activity,
data=self._url,
extras={'create_new_tab': True})
self._device.StartActivity(launch_intent, blocking=True)
def Start(self):
self._SetUpCommandLine()
self._adb.device().RunShellCommand('logcat -c')
if self.browser_options.startup_url:
url = self.browser_options.startup_url
elif self.browser_options.profile_dir:
url = None
else:
# If we have no existing tabs start with a blank page since default
# startup with the NTP can lead to race conditions with Telemetry
url = 'about:blank'
# Dismiss any error dialogs. Limit the number in case we have an error loop
# or we are failing to dismiss.
for _ in xrange(10):
if not self._adb.device().old_interface.DismissCrashDialogIfNeeded(
):
break
self._adb.device().StartActivity(intent.Intent(
package=self._backend_settings.package,
activity=self._backend_settings.activity,
action=None,
data=url,
category=None),
blocking=True)
self._adb.Forward(
'tcp:%d' % self._port,
self._backend_settings.GetDevtoolsRemotePort(self._adb))
try:
self._WaitForBrowserToComeUp()
except exceptions.BrowserGoneException:
logging.critical('Failed to connect to browser.')
if not self._adb.device(
).old_interface.CanAccessProtectedFileContents():
logging.critical(
'Resolve this by either: '
'(1) Flashing to a userdebug build OR '
'(2) Manually enabling web debugging in Chrome at '
'Settings > Developer tools > Enable USB Web debugging.')
sys.exit(1)
except:
import traceback
traceback.print_exc()
self.Close()
raise
finally:
self._RestoreCommandLine()
def RunPageInteractions(self, action_runner):
action_runner.tab.WaitForDocumentReadyStateToBeComplete()
# Launch clock app, pushing Chrome to the background.
android_platform = action_runner.tab.browser.platform
android_platform.LaunchAndroidApplication(
intent.Intent(package='com.google.android.deskclock',
activity='com.android.deskclock.DeskClock'),
app_has_webviews=False)
# Take measurement.
self._TakeMemoryMeasurement(action_runner, 'background')
# Go back to Chrome.
android_platform.android_action_runner.InputKeyEvent(keyevent.KEYCODE_BACK)
def GoHome(self, timeout=None, retries=None):
"""Return to the home screen.
Args:
timeout: timeout in seconds
retries: number of retries
Raises:
CommandTimeoutError on timeout.
DeviceUnreachableError on missing device.
"""
self.StartActivity(intent.Intent(
action='android.intent.action.MAIN',
category='android.intent.category.HOME'),
blocking=True)
def _RunTest(self, test, timeout):
self.device.ClearApplicationState(self._package)
if self.flags:
if 'Feature:FirstRunExperience' in self.test_pkg.GetTestAnnotations(
test):
self.flags.RemoveFlags(['--disable-fre'])
else:
self.flags.AddFlags(['--disable-fre'])
self.device.StartActivity(intent.Intent(
action='android.intent.action.MAIN',
activity=self._activity,
package=self._package),
blocking=True,
force_stop=True)
return self.device.old_interface.RunUIAutomatorTest(
test, self.test_pkg.GetPackageName(), timeout)
def testWebView(self):
if self._device is None:
logging.warning('No device found, skipping test.')
return
start_intent = intent.Intent(
package='com.google.android.googlequicksearchbox',
activity='.SearchActivity',
action='com.google.android.googlequicksearchbox.GOOGLE_SEARCH',
data=None,
extras={'query': 'google'},
category=None)
search_app = self.CreateAndroidApp(start_intent)
webview = search_app.GetProcess(':search').GetWebViews().pop()
webview.Navigate('https://www.google.com/search?q=flowers')
time.sleep(5)
def Start(self):
self._adb.device().RunShellCommand('logcat -c')
if self.browser_options.startup_url:
url = self.browser_options.startup_url
elif self.browser_options.profile_dir:
url = None
else:
# If we have no existing tabs start with a blank page since default
# startup with the NTP can lead to race conditions with Telemetry
url = 'about:blank'
self.platform_backend.DismissCrashDialogIfNeeded()
browser_startup_args = self.GetBrowserStartupArgs()
with android_command_line_backend.SetUpCommandLineFlags(
self._adb, self._backend_settings, browser_startup_args):
self._adb.device().StartActivity(intent.Intent(
package=self._backend_settings.package,
activity=self._backend_settings.activity,
action=None,
data=url,
category=None),
blocking=True)
remote_devtools_port = self._backend_settings.GetDevtoolsRemotePort(
self._adb)
self.platform_backend.ForwardHostToDevice(self._port,
remote_devtools_port)
try:
self._WaitForBrowserToComeUp()
self._InitDevtoolsClientBackend(remote_devtools_port)
except exceptions.BrowserGoneException:
logging.critical('Failed to connect to browser.')
device = self._adb.device()
if not device.old_interface.CanAccessProtectedFileContents():
logging.critical(
'Resolve this by either: '
'(1) Flashing to a userdebug build OR '
'(2) Manually enabling web debugging in Chrome at '
'Settings > Developer tools > Enable USB Web debugging.'
)
sys.exit(1)
except:
import traceback
traceback.print_exc()
self.Close()
raise
def __init__(self, adb):
self._adb = adb
adb.RunShellCommand('rm %s' % DONE_FILE)
config = BENCHMARK_CONFIG
config['HOST'] = GetServersHost(adb)
start_intent = intent.Intent(
package=APP_PACKAGE,
activity=APP_ACTIVITY,
action=APP_ACTION,
# |config| maps from configuration value names to the configured values.
# |config| is encoded as URL parameter names and values and passed to
# the Cronet perf test app via the Intent data field.
data='http://dummy/?' + urllib.urlencode(config),
extras=None,
category=None)
super(CronetPerfTestAndroidStory, self).__init__(start_intent,
name='CronetPerfTest')
def __init__(self, browser_backend, platform_backend, output_path, state):
super(OOMKillerProfiler, self).__init__(
browser_backend, platform_backend, output_path, state)
if not 'mem_consumer_launched' in state:
state['mem_consumer_launched'] = True
mem_consumer_path = support_binaries.FindPath(
os.path.join('apks', 'MemConsumer.apk'), 'android')
assert mem_consumer_path, ('Could not find memconsumer app. Please build '
'memconsumer target.')
self._browser_backend.adb.Install(mem_consumer_path)
self._browser_backend.adb.device().GoHome()
self._platform_backend.LaunchApplication(
'org.chromium.memconsumer/.MemConsumer',
'--ei memory 20')
# Bring the browser to the foreground after launching the mem consumer
self._browser_backend.adb.device().StartActivity(
intent.Intent(package=browser_backend.package,
activity=browser_backend.activity),
blocking=True)
def _RunTest(self, test, timeout):
self.device.ClearApplicationState(self._package)
if self.flags:
if 'Feature:FirstRunExperience' in self.test_pkg.GetTestAnnotations(
test):
self.flags.RemoveFlags(['--disable-fre'])
else:
self.flags.AddFlags(['--disable-fre'])
self.device.StartActivity(intent.Intent(
action='android.intent.action.MAIN',
activity=self._activity,
package=self._package),
blocking=True,
force_stop=True)
cmd = [
'uiautomator', 'runtest',
self.test_pkg.GetPackageName(), '-e', 'class', test
]
return self.device.RunShellCommand(cmd, timeout=timeout, retries=0)
def _StartActivityAndWaitForLinkerTestStatus(device, timeout):
"""Force-start an activity and wait up to |timeout| seconds until the full
linker test status lines appear in the logcat, recorded through |device|.
Args:
device: A DeviceUtils instance.
timeout: Timeout in seconds
Returns:
A (status, logs) tuple, where status is a ResultType constant, and logs
if the final logcat output as a string.
"""
# 1. Start recording logcat with appropriate filters.
device.old_interface.StartRecordingLogcat(clear=True,
filters=_LOGCAT_FILTERS)
try:
# 2. Force-start activity.
device.StartActivity(intent.Intent(package=_PACKAGE_NAME,
activity=_ACTIVITY_NAME),
force_stop=True)
# 3. Wait up to |timeout| seconds until the test status is in the logcat.
num_tries = 0
max_tries = timeout
found = False
while num_tries < max_tries:
time.sleep(1)
num_tries += 1
found, browser_ok, renderer_ok = _CheckLinkerTestStatus(
device.old_interface.GetCurrentRecordedLogcat())
if found:
break
finally:
logs = device.old_interface.StopRecordingLogcat()
if num_tries >= max_tries:
return ResultType.TIMEOUT, logs
if browser_ok and renderer_ok:
return ResultType.PASS, logs
return ResultType.FAIL, logs
def __init__(self, device):
self._device = device
device.RunShellCommand('rm %s' % DONE_FILE)
config = BENCHMARK_CONFIG
config['HOST_IP'] = GetServersHost(device)
start_intent = intent.Intent(
package=APP_PACKAGE,
activity=APP_ACTIVITY,
action=APP_ACTION,
# |config| maps from configuration value names to the configured values.
# |config| is encoded as URL parameter names and values and passed to
# the Cronet perf test app via the Intent data field.
data='http://dummy/?'+urllib.urlencode(config),
extras=None,
category=None)
super(CronetPerfTestAndroidStory, self).__init__(
start_intent, name='CronetPerfTest',
# No reason to wait for app; Run() will wait for results. By default
# StartActivity will timeout waiting for CronetPerfTest, so override
# |is_app_ready_predicate| to not wait.
is_app_ready_predicate=lambda app: True)
def GetCategories(device, package_info):
device.BroadcastIntent(
intent.Intent(action='%s.GPU_PROFILER_LIST_CATEGORIES' %
package_info.package))
try:
json_category_list = device.old_interface.WaitForLogMatch(
re.compile(r'{"traceCategoriesList(.*)'), None,
timeout=5).group(0)
except pexpect.TIMEOUT:
raise RuntimeError(
'Performance trace category list marker not found. '
'Is the correct version of the browser running?')
record_categories = []
disabled_by_default_categories = []
json_data = json.loads(json_category_list)['traceCategoriesList']
for item in json_data:
if item.startswith('disabled-by-default'):
disabled_by_default_categories.append(item)
else:
record_categories.append(item)
return record_categories, disabled_by_default_categories
def RunTest(self, test_name):
"""Run a Monkey test on the device.
Args:
test_name: String to use for logging the test result.
Returns:
A tuple of (TestRunResults, retry).
"""
self.device.StartActivity(intent.Intent(
package=self._package,
activity=self._activity,
action='android.intent.action.MAIN'),
blocking=True,
force_stop=True)
# Chrome crashes are not always caught by Monkey test runner.
# Verify Chrome has the same PID before and after the test.
before_pids = self.device.GetPids(self._package)
# Run the test.
output = ''
if before_pids:
if len(before_pids.get(self._package, [])) > 1:
raise Exception(
'At most one instance of process %s expected but found pids: '
'%s' % (self._package, before_pids))
output = '\n'.join(self._LaunchMonkeyTest())
after_pids = self.device.GetPids(self._package)
crashed = True
if not self._package in before_pids:
logging.error('Failed to start the process.')
elif not self._package in after_pids:
logging.error('Process %s has died.', before_pids[self._package])
elif before_pids[self._package] != after_pids[self._package]:
logging.error('Detected process restart %s -> %s',
before_pids[self._package],
after_pids[self._package])
else:
crashed = False
results = base_test_result.TestRunResults()
success_pattern = 'Events injected: %d' % self._options.event_count
if success_pattern in output and not crashed:
result = base_test_result.BaseTestResult(
test_name, base_test_result.ResultType.PASS, log=output)
else:
result = base_test_result.BaseTestResult(
test_name, base_test_result.ResultType.FAIL, log=output)
if 'chrome' in self._options.package:
logging.warning('Starting MinidumpUploadService...')
# TODO(jbudorick): Update this after upstreaming.
minidump_intent = intent.Intent(
action='%s.crash.ACTION_FIND_ALL' % _CHROME_PACKAGE,
package=self._package,
activity='%s.crash.MinidumpUploadService' %
_CHROME_PACKAGE)
try:
self.device.RunShellCommand(['am', 'startservice'] +
minidump_intent.am_args,
as_root=True,
check_return=True)
except device_errors.CommandFailedError:
logging.exception('Failed to start MinidumpUploadService')
results.AddResult(result)
return results, False
def main(argv):
option_parser = optparse.OptionParser()
option_parser.add_option('-l',
'--low',
help='Simulate Activity#onLowMemory()',
action='store_true')
option_parser.add_option(
'-t',
'--trim',
help=('Simulate Activity#onTrimMemory(...) with ' +
', '.join(ACTION_TRIM.keys())),
type='string')
option_parser.add_option('-b',
'--browser',
default=DEFAULT_BROWSER,
help=('Which browser to use. One of ' +
', '.join(constants.PACKAGE_INFO.keys()) +
' [default: %default]'),
type='string')
(options, args) = option_parser.parse_args(argv)
if len(args) > 1:
print 'Unknown argument: ', args[1:]
option_parser.print_help()
sys.exit(1)
if options.low and options.trim:
option_parser.error('options --low and --trim are mutually exclusive')
if not options.low and not options.trim:
option_parser.print_help()
sys.exit(1)
action = None
if options.low:
action = ACTION_LOW
elif options.trim in ACTION_TRIM.keys():
action = ACTION_TRIM[options.trim]
if action is None:
option_parser.print_help()
sys.exit(1)
if not options.browser in constants.PACKAGE_INFO.keys():
option_parser.error('Unknown browser option ' + options.browser)
package_info = constants.PACKAGE_INFO[options.browser]
package = package_info.package
activity = package_info.activity
devices = device_utils.DeviceUtils.HealthyDevices()
if not devices:
raise device_errors.NoDevicesError()
elif len(devices) > 1:
logging.warning('Multiple devices attached. Using %s.',
str(devices[0]))
device = devices[0]
try:
device.EnableRoot()
except device_errors.CommandFailedError as e:
# Try to change the flags and start the activity anyway.
# TODO(jbudorick) Handle this exception appropriately after interface
# conversions are finished.
logging.error(str(e))
flags = flag_changer.FlagChanger(device, package_info.cmdline_file)
if ENABLE_TEST_INTENTS_FLAG not in flags.Get():
flags.AddFlags([ENABLE_TEST_INTENTS_FLAG])
device.StartActivity(
intent.Intent(package=package, activity=activity, action=action))
def Start(self):
self._SetUpCommandLine()
# Disables android.net SSL certificate check. This is necessary for
# applications using the android.net stack to work with proxy HTTPS server
# created by telemetry
if self._backend_settings.relax_ssl_check:
self._saved_sslflag = self._adb.device().GetProp(
'socket.relaxsslcheck')
self._adb.device().SetProp('socket.relaxsslcheck', 'yes')
self._adb.device().RunShellCommand('logcat -c')
if self.browser_options.startup_url:
url = self.browser_options.startup_url
elif self.browser_options.profile_dir:
url = None
else:
# If we have no existing tabs start with a blank page since default
# startup with the NTP can lead to race conditions with Telemetry
url = 'about:blank'
# Dismiss any error dialogs. Limit the number in case we have an error loop
# or we are failing to dismiss.
for _ in xrange(10):
if not self._adb.device().old_interface.DismissCrashDialogIfNeeded(
):
break
self._adb.device().StartActivity(intent.Intent(
package=self._backend_settings.package,
activity=self._backend_settings.activity,
action=None,
data=url,
category=None),
blocking=True)
self._adb.Forward('tcp:%d' % self._port,
self._backend_settings.GetDevtoolsRemotePort())
try:
self._WaitForBrowserToComeUp()
except exceptions.BrowserGoneException:
logging.critical('Failed to connect to browser.')
if not self._adb.device(
).old_interface.CanAccessProtectedFileContents():
logging.critical(
'Resolve this by either: '
'(1) Flashing to a userdebug build OR '
'(2) Manually enabling web debugging in Chrome at '
'Settings > Developer tools > Enable USB Web debugging.')
sys.exit(1)
except:
import traceback
traceback.print_exc()
self.Close()
raise
finally:
# Restore the saved command line if it appears to have come from a user.
# If it appears to be a Telemetry created command line, then don't restore
# it. This is to prevent a common bug where --host-resolver-rules borks
# people's browsers if something goes wrong with Telemetry.
self._SetCommandLineFile(
self._saved_cmdline if '--host-resolver-rules' not in
self._saved_cmdline else '')
def Start(self):
self.device.RunShellCommand('logcat -c')
if self.browser_options.startup_url:
url = self.browser_options.startup_url
elif self.browser_options.profile_dir:
url = None
else:
# If we have no existing tabs start with a blank page since default
# startup with the NTP can lead to race conditions with Telemetry
url = 'about:blank'
self.platform_backend.DismissCrashDialogIfNeeded()
browser_startup_args = self.GetBrowserStartupArgs()
with android_command_line_backend.SetUpCommandLineFlags(
self.device, self._backend_settings, browser_startup_args):
self.device.StartActivity(intent.Intent(
package=self._backend_settings.package,
activity=self._backend_settings.activity,
action=None,
data=url,
category=None),
blocking=True)
remote_devtools_port = self._backend_settings.GetDevtoolsRemotePort(
self.device)
try:
self.platform_backend.ForwardHostToDevice(
self._port, remote_devtools_port)
except Exception:
logging.exception('Failed to forward %s to %s.',
str(self._port), str(remote_devtools_port))
logging.warning('Currently forwarding:')
try:
for line in self.device.adb.ForwardList().splitlines():
logging.warning(' %s', line)
except Exception:
logging.warning('Exception raised while listing forwarded '
'connections.')
logging.warning('Device unix domain sockets in use:')
try:
for line in self.device.ReadFile(
'/proc/net/unix', as_root=True,
force_pull=True).splitlines():
logging.warning(' %s', line)
except Exception:
logging.warning(
'Exception raised while listing unix domain sockets.')
raise
try:
self._WaitForBrowserToComeUp()
self._InitDevtoolsClientBackend(remote_devtools_port)
except exceptions.BrowserGoneException:
logging.critical('Failed to connect to browser.')
if not (self.device.HasRoot() or self.device.NeedsSU()):
logging.critical(
'Resolve this by either: '
'(1) Flashing to a userdebug build OR '
'(2) Manually enabling web debugging in Chrome at '
'Settings > Developer tools > Enable USB Web debugging.'
)
self.Close()
raise
except:
self.Close()
raise