feat(fcm): Enabled direct_boot_ok Android Config parameter.

firebase_admin/_messaging_encoder.py

@@ -160,6 +160,15 @@ def check_analytics_label(cls, label, value):
             raise ValueError('Malformed {}.'.format(label))
         return value
 
+    @classmethod
+    def check_boolean(cls, label, value):
+        """Checks if the given value is boolean."""
+        if value is None:
+            return None
+        if not isinstance(value, bool):
+            raise ValueError('{0} must be a boolean.'.format(label))
+        return value
+
     @classmethod
     def check_datetime(cls, label, value):
         """Checks if the given value is a datetime."""
@@ -214,6 +223,8 @@ def encode_android_fcm_options(cls, fcm_options):
         result = {
             'analytics_label': _Validators.check_analytics_label(
                 'AndroidFCMOptions.analytics_label', fcm_options.analytics_label),
+            'direct_boot_ok': _Validators.check_boolean(
+                'AndroidFCMOptions.direct_boot_ok', fcm_options.direct_boot_ok)
         }
         result = cls.remove_null_values(result)
         return result

firebase_admin/_messaging_utils.py

@@ -203,10 +203,13 @@ class AndroidFCMOptions:
     Args:
         analytics_label: contains additional options for features provided by the FCM Android SDK
             (optional).
+        direct_boot_ok: A boolean indicating whether messages will be allowed to be delivered to
+            the app while the device is in direct boot mode.
     """
 
-    def __init__(self, analytics_label=None):
+    def __init__(self, analytics_label=None, direct_boot_ok=None):
         self.analytics_label = analytics_label
+        self.direct_boot_ok = direct_boot_ok
 
 
 class WebpushConfig: