simulate a outcome phonecall :param phone: str, phonenum :return:

run an `adb shell` command @param extra_args: @return: output of adb shell command

return True if this view_selector matches a view_dict @param view_dict: a view in dict, element of DeviceState.views @return:

start interacting :return:

get package name of current app :return:

send command, then read result

run an adb command and return the output :return: output of adb command @param extra_args: arguments to run in adb

get package name of current app :return:

reset the current environment by starting the app on the device :return: the initial observation

connect adb

Get the depth of the app's activity in the activity stack :param app: App :return: the depth of app's activity, -1 for not fo

get the value of property @param property_name: @return:

disconnect adb

Get a text description of current state

get an intent to stop the app :return: Intent