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Snapchat Decompilation and Interpretation

Posted On 2026-06-14

Introduction

Following from a previous post about Snapchat MEDIA_CONTEXT_TYPE, I thought it would be worth exporting a bunch of useful defined types within the Snapchat application here for future reference. They are in by no means in any order of importance, but as a reference.

This post was last updated on 14/06/2026 using Snapchat (./com.snapchat.android_14.10.0.47-293972) and jadx v1.5.5.

Method

  • Acquire Snapchat apk's
  • Decompile in jadx
  • Keyword search for items of potential interest
  • Document

Keywords

  • public enum .*media.*
  • public enum .*message.*
  • public enum .*post.*
  • public enum .*story.*
  • public enum .*snap.*
  • public enum .*friend.*
  • public enum .*conn.*
  • public\s+(?:final\s+)?(?:class|enum)\s+.*NativeContentTypeKey.*

Table of contents

  1. Introduction
    1. Method
    2. Keywords
  2. Snapchat enum definitions
    1. MediaContextType
    2. MediaType (mdp_common)
    3. MediaMetadataInfoType
    4. MediaReferenceType
    5. MediaType (messaging)
    6. MetricsMessageMediaType
    7. MetricsMessageType
    8. PerMessageMediaDisplayState
    9. PublicGroupMessageSenderType
    10. QuotedMessageContentStatus
    11. ReceiveMessageStatus
    12. ReceiveMessageStep
    13. SendMessageStep
    14. PlayableSnapState
    15. SnapDownloadStatus
    16. SnapInteractionType
    17. SnapItemState
    18. SnapModeState
    19. SnapPostOpenViewingPolicy
    20. SnapPostOpenViewingState
    21. SnapReplayableState
    22. StoryMediaState
    23. StoryType
    24. UploadMediaStep
    25. MessageBehaviorHint
    26. MessageEncryption
    27. MessageState
    28. MessageUpdate
    29. Trigger
    30. VideoMediaType
    31. FriendLink
    32. ConnectivityNetworkType
    33. Connectivity
    34. CONTENT_ATTRIBUTION

Snapchat enum definitions

MediaContextType

./com/snapchat/client/mdp_common/MediaContextType.java

public enum MediaContextType {
    BITMOJIIMAGES,
    LENSIMAGES,
    STICKERS,
    CHAT,
    FRIENDSTORYSNAP,
    TEMPUNASSIGNED,
    FRIENDSTORYTHUMBNAIL,
    RECOMMENDEDSTORYTHUMBNAIL,
    COGNACIMAGES,
    COMMERCEIMAGES,
    ADS,
    COMPOSERIMAGES,
    LENS,
    ONDEMAND,
    ONBOARDING,
    BLOOPS,
    RECOMMENDEDUSERSTORYSNAP,
    LOCALIZATIONSTRINGS,
    MUSIC,
    MEMORIESSNAP,
    PUBLISHERSTORYSNAP,
    GIPHYSTICKERS,
    UGCLENSASSETS,
    FRIENDSTORYFIRSTFRAME,
    RECOMMENDEDUSERSTORYFIRSTFRAME,
    GEOFILTER,
    MEMORIESTHUMBNAIL,
    LENSBITMOJI,
    PUBLISHERSTORYFIRSTFRAME,
    MAPS,
    SNAPSHOTS,
    SYSTEMTESTIMAGES,
    SYSTEMTESTVIDEOS,
    ARBUSINESS,
    PREVIEWSNAP,
    SPECTACLES,
    CHEERIOS,
    EXPORTEDMEDIASHARE,
    INCLUSIONPANELSURVEY,
    COMMUNITIES,
    SPOTLIGHTSNAP,
    TOSHTML,
    VALDIMODULESARCHIVE,
    NOTIFICATIONS,
    TINSEL
}
Enum Value MediaContextType
0 BITMOJIIMAGES
1 LENSIMAGES
2 STICKERS
3 CHAT
4 FRIENDSTORYSNAP
5 TEMPUNASSIGNED
6 FRIENDSTORYTHUMBNAIL
7 RECOMMENDEDSTORYTHUMBNAIL
8 COGNACIMAGES
9 COMMERCEIMAGES
10 ADS
11 COMPOSERIMAGES
12 LENS
13 ONDEMAND
14 ONBOARDING
15 BLOOPS
16 RECOMMENDEDUSERSTORYSNAP
17 LOCALIZATIONSTRINGS
18 MUSIC
19 MEMORIESSNAP
20 PUBLISHERSTORYSNAP
21 GIPHYSTICKERS
22 UGCLENSASSETS
23 FRIENDSTORYFIRSTFRAME
24 RECOMMENDEDUSERSTORYFIRSTFRAME
25 GEOFILTER
26 MEMORIESTHUMBNAIL
27 LENSBITMOJI
28 PUBLISHERSTORYFIRSTFRAME
29 MAPS
30 SNAPSHOTS
31 SYSTEMTESTIMAGES
32 SYSTEMTESTVIDEOS
33 ARBUSINESS
34 PREVIEWSNAP
35 SPECTACLES
36 CHEERIOS
37 EXPORTEDMEDIASHARE
38 INCLUSIONPANELSURVEY
39 COMMUNITIES
40 SPOTLIGHTSNAP
41 TOSHTML
42 VALDIMODULESARCHIVE
43 NOTIFICATIONS
44 TINSEL

MediaType (mdp_common)

./com/snapchat/client/mdp_common/MediaType.java

public enum MediaType {
    UNASSIGNED,
    OVERLAY,
    IMAGE,
    VIDEO,
    ASSETBUNDLE,
    AUDIO,
    ANIMATEDIMAGE,
    FONT,
    WEBVIEWCONTENT,
    SUBTITLES,
    DATABLOB
}
Enum Value MediaType
0 UNASSIGNED
1 OVERLAY
2 IMAGE
3 VIDEO
4 ASSETBUNDLE
5 AUDIO
6 ANIMATEDIMAGE
7 FONT
8 WEBVIEWCONTENT
9 SUBTITLES
10 DATABLOB

MediaMetadataInfoType

./com/snapchat/client/messaging/MediaMetadataInfoType.java

public enum MediaMetadataInfoType {
    SOURCE,
    OPTIMIZED,
    OVERLAY
}
Enum Value MediaMetadataInfoType
0 SOURCE
1 OPTIMIZED
2 OVERLAY

MediaReferenceType

./com/snapchat/client/messaging/MediaReferenceType.java

public enum MediaReferenceType {
    UNASSIGNED,
    OVERLAY,
    IMAGE,
    VIDEO,
    ASSET_BUNDLE,
    AUDIO,
    ANIMATED_IMAGE,
    FONT,
    WEB_VIEW_CONTENT,
    VIDEO_NO_AUDIO
}
Enum Value MediaReferenceType
0 UNASSIGNED
1 OVERLAY
2 IMAGE
3 VIDEO
4 ASSET_BUNDLE
5 AUDIO
6 ANIMATED_IMAGE
7 FONT
8 WEB_VIEW_CONTENT
9 VIDEO_NO_AUDIO

MediaType (messaging)

./com/snapchat/client/messaging/MediaType.java

public enum MediaType {
    UNKNOWN,
    IMAGE,
    VIDEO,
    GIF
}
Enum Value MediaType
0 UNKNOWN
1 IMAGE
2 VIDEO
3 GIF

MetricsMessageMediaType

./com/snapchat/client/messaging/MetricsMessageMediaType.java

public enum MetricsMessageMediaType {
    NO_MEDIA,
    IMAGE,
    VIDEO,
    VIDEO_NO_SOUND,
    GIF,
    DERIVED_FROM_MESSAGE_TYPE,
    REACTION
}
Enum Value MetricsMessageMediaType
0 NO_MEDIA
1 IMAGE
2 VIDEO
3 VIDEO_NO_SOUND
4 GIF
5 DERIVED_FROM_MESSAGE_TYPE
6 REACTION

MetricsMessageType

./com/snapchat/client/messaging/MetricsMessageType.java

public enum MetricsMessageType {
    TEXT,
    STICKER,
    CUSTOM_STICKER,
    SNAP,
    AUDIO_NOTE,
    MEDIA,
    BATCHED_MEDIA,
    MISSED_AUDIO_CALL,
    MISSED_VIDEO_CALL,
    JOINED_CALL,
    LEFT_CALL,
    SNAPCHATTER,
    LOCATION_SHARE,
    LOCATION_REQUEST,
    SCREENSHOT,
    SCREEN_RECORDING,
    GAME_CLOSED,
    STORY_SHARE,
    MAP_DROP_SHARE,
    MAP_STORY_SHARE,
    MAP_STORY_SNAP_SHARE,
    MAP_HEAT_SNAP_SHARE,
    MAP_SCREENSHOT_SHARE,
    MEMORIES_STORY,
    SEARCH_STORY_SHARE,
    SEARCH_STORY_SNAP_SHARE,
    DISCOVER_SHARE,
    SHAZAM_SHARE,
    SAVE_TO_CAMERA_ROLL,
    GAME_SCORE_SHARE,
    SNAP_PRO_PROFILE_SHARE,
    SNAP_PRO_SNAP_SHARE,
    CANVAS_APP_SHARE,
    AD_SHARE,
    STORY_REPLY,
    SPOTLIGHT_STORY_SHARE,
    CAMEO,
    MEMOJI,
    BITMOJI_OUTFIT_SHARE,
    LIVE_LOCATION_SHARE,
    CREATIVE_TOOL_ITEM,
    SNAP_KIT_INVITE_SHARE,
    QUOTE_REPLY_SHARE,
    BLOOPS_STORY_SHARE,
    SNAP_PRO_SAVED_STORY_SHARE,
    PLACE_PROFILE_SHARE,
    PLACE_STORY_SHARE,
    SAVED_STORY_SHARE,
    SPOTLIGHT_COMMENT,
    TINY_SNAP,
    PROMPT_LENSES,
    MAP_REACTION,
    MY_AI_SPECTACLES_BOT_RESPONSE,
    FAMILY_CENTER_LOCATION_REQUEST,
    REMIX_CAPTURE,
    STICKER_CUTOUT,
    FRIEND_PLACE_ALERT,
    GAME_LENS,
    DELPHI_RESPONSE,
    PUBLIC_GROUPS_MESSAGE_SHARE,
    PUBLIC_GROUPS_INVITE,
    SPORTS_GAME_MESSAGE_SHARE,
    KRONOS_EVENT_SHARE,
    VISITED_BY_SHARE,
    BOT_RESPONSE
}
Enum Value MetricsMessageType
0 TEXT
1 STICKER
2 CUSTOM_STICKER
3 SNAP
4 AUDIO_NOTE
5 MEDIA
6 BATCHED_MEDIA
7 MISSED_AUDIO_CALL
8 MISSED_VIDEO_CALL
9 JOINED_CALL
10 LEFT_CALL
11 SNAPCHATTER
12 LOCATION_SHARE
13 LOCATION_REQUEST
14 SCREENSHOT
15 SCREEN_RECORDING
16 GAME_CLOSED
17 STORY_SHARE
18 MAP_DROP_SHARE
19 MAP_STORY_SHARE
20 MAP_STORY_SNAP_SHARE
21 MAP_HEAT_SNAP_SHARE
22 MAP_SCREENSHOT_SHARE
23 MEMORIES_STORY
24 SEARCH_STORY_SHARE
25 SEARCH_STORY_SNAP_SHARE
26 DISCOVER_SHARE
27 SHAZAM_SHARE
28 SAVE_TO_CAMERA_ROLL
29 GAME_SCORE_SHARE
30 SNAP_PRO_PROFILE_SHARE
31 SNAP_PRO_SNAP_SHARE
32 CANVAS_APP_SHARE
33 AD_SHARE
34 STORY_REPLY
35 SPOTLIGHT_STORY_SHARE
36 CAMEO
37 MEMOJI
38 BITMOJI_OUTFIT_SHARE
39 LIVE_LOCATION_SHARE
40 CREATIVE_TOOL_ITEM
41 SNAP_KIT_INVITE_SHARE
42 QUOTE_REPLY_SHARE
43 BLOOPS_STORY_SHARE
44 SNAP_PRO_SAVED_STORY_SHARE
45 PLACE_PROFILE_SHARE
46 PLACE_STORY_SHARE
47 SAVED_STORY_SHARE
48 SPOTLIGHT_COMMENT
49 TINY_SNAP
50 PROMPT_LENSES
51 MAP_REACTION
52 MY_AI_SPECTACLES_BOT_RESPONSE
53 FAMILY_CENTER_LOCATION_REQUEST
54 REMIX_CAPTURE
55 STICKER_CUTOUT
56 FRIEND_PLACE_ALERT
57 GAME_LENS
58 DELPHI_RESPONSE
59 PUBLIC_GROUPS_MESSAGE_SHARE
60 PUBLIC_GROUPS_INVITE
61 SPORTS_GAME_MESSAGE_SHARE
62 KRONOS_EVENT_SHARE
63 VISITED_BY_SHARE
64 BOT_RESPONSE

PerMessageMediaDisplayState

./com/snapchat/client/messaging/PerMessageMediaDisplayState.java

public enum PerMessageMediaDisplayState {
    MEDIA_CONSUMED,
    MEDIA_NOT_RENDERED,
    MEDIA_PERMANENTLY_FAILED
}
Enum Value PerMessageMediaDisplayState
0 MEDIA_CONSUMED
1 MEDIA_NOT_RENDERED
2 MEDIA_PERMANENTLY_FAILED

PublicGroupMessageSenderType

./com/snapchat/client/messaging/PublicGroupMessageSenderType.java

public enum PublicGroupMessageSenderType {
    NONE,
    SNAP_PRO_OFFICIAL
}
Enum Value PublicGroupMessageSenderType
0 NONE
1 SNAP_PRO_OFFICIAL

QuotedMessageContentStatus

./com/snapchat/client/messaging/QuotedMessageContentStatus.java

public enum QuotedMessageContentStatus {
    UNKNOWN,
    AVAILABLE,
    DELETED,
    JOINEDAFTERORIGINALMESSAGESENT,
    UNAVAILABLE,
    STORYMEDIADELETEDBYPOSTER,
    HIDDEN
}
Enum Value QuotedMessageContentStatus
0 UNKNOWN
1 AVAILABLE
2 DELETED
3 JOINEDAFTERORIGINALMESSAGESENT
4 UNAVAILABLE
5 STORYMEDIADELETEDBYPOSTER
6 HIDDEN

ReceiveMessageStatus

./com/snapchat/client/messaging/ReceiveMessageStatus.java

public enum ReceiveMessageStatus {
    SUCCESS,
    FAILURE
}
Enum Value ReceiveMessageStatus
0 SUCCESS
1 FAILURE

ReceiveMessageStep

./com/snapchat/client/messaging/ReceiveMessageStep.java

public enum ReceiveMessageStep {
    REQUESTSYNC,
    UPDATECONVERSATION,
    APPNOTRUNNING
}
Enum Value ReceiveMessageStep
0 REQUESTSYNC
1 UPDATECONVERSATION
2 APPNOTRUNNING

SendMessageStep

./com/snapchat/client/messaging/SendMessageStep.java

public enum SendMessageStep {
    PRE_SEND_UPDATE,
    VALIDATE_ORDER_STEP,
    VALIDATE_NETWORK_STEP,
    CONVERSATION_BACKOFF,
    CREATE_NETWORK_GROUPS,
    JOIN_CONVERSATIONS,
    ENSURE_CONVERSATIONS,
    ENCRYPT,
    MEDIA_ALL,
    MEDIA_RESOLVE,
    MEDIA_SAVE,
    MEDIA_ENCRYPT,
    MEDIA_SMART_SHARE,
    MEDIA_DOWNLOAD,
    MEDIA_TRIM,
    MEDIA_TRANSCODE,
    MEDIA_ZIP,
    MEDIA_PRE_UPLOAD_UPDATE,
    MEDIA_UPLOAD,
    MEDIA_POST_UPLOAD_UPDATE,
    MEDIA_USER_GENERATED_ASSETS_UPLOAD,
    SEND,
    POST_SEND_UPDATE,
    CREATE_GROUP_AND_INVITE,
    INITIALIZE_CONTEXT_INFO,
    PRE_SEND_DELAY,
    UPDATE_INCIDENTAL_ATTACHMENTS
}
Enum Value SendMessageStep
0 PRE_SEND_UPDATE
1 VALIDATE_ORDER_STEP
2 VALIDATE_NETWORK_STEP
3 CONVERSATION_BACKOFF
4 CREATE_NETWORK_GROUPS
5 JOIN_CONVERSATIONS
6 ENSURE_CONVERSATIONS
7 ENCRYPT
8 MEDIA_ALL
9 MEDIA_RESOLVE
10 MEDIA_SAVE
11 MEDIA_ENCRYPT
12 MEDIA_SMART_SHARE
13 MEDIA_DOWNLOAD
14 MEDIA_TRIM
15 MEDIA_TRANSCODE
16 MEDIA_ZIP
17 MEDIA_PRE_UPLOAD_UPDATE
18 MEDIA_UPLOAD
19 MEDIA_POST_UPLOAD_UPDATE
20 MEDIA_USER_GENERATED_ASSETS_UPLOAD
21 SEND
22 POST_SEND_UPDATE
23 CREATE_GROUP_AND_INVITE
24 INITIALIZE_CONTEXT_INFO
25 PRE_SEND_DELAY
26 UPDATE_INCIDENTAL_ATTACHMENTS

PlayableSnapState

./com/snapchat/client/messaging/PlayableSnapState.java

public enum PlayableSnapState {
    NOTDOWNLOADED,
    DOWNLOADING,
    DOWNLOADFAILED,
    PLAYABLE,
    VIEWEDREPLAYABLE,
    PLAYING,
    VIEWEDNOTREPLAYABLE,
    VIEWEDREPLAYABLEAGAIN
}
Enum Value PlayableSnapState
0 NOTDOWNLOADED
1 DOWNLOADING
2 DOWNLOADFAILED
3 PLAYABLE
4 VIEWEDREPLAYABLE
5 PLAYING
6 VIEWEDNOTREPLAYABLE
7 VIEWEDREPLAYABLEAGAIN

SnapDownloadStatus

./com/snapchat/client/messaging/SnapDownloadStatus.java

public enum SnapDownloadStatus {
    INITIATED,
    SUCCEEDED,
    FAILED
}
Enum Value SnapDownloadStatus
0 INITIATED
1 SUCCEEDED
2 FAILED

SnapInteractionType

./com/snapchat/client/messaging/SnapInteractionType.java

public enum SnapInteractionType {
    VIEWING_INITIATED,
    VIEWING_FINISHED,
    REPLAY_GESTURE_PERFORMED,
    MARK_AS_INVALID
}
Enum Value SnapInteractionType
0 VIEWING_INITIATED
1 VIEWING_FINISHED
2 REPLAY_GESTURE_PERFORMED
3 MARK_AS_INVALID

SnapItemState

./com/snapchat/client/messaging/SnapItemState.java

public enum SnapItemState {
    UNKNOWN,
    NONE,
    SCREENSHOTTED,
    RECORDED,
    REPLAYED,
    SENDING,
    WAITING_TO_SEND,
    SEND_FAILED,
    PLAYING,
    TAP_TO_DOWNLOAD,
    DOWNLOADING,
    DOWNLOAD_FAILED,
    SAVED,
    REACTION,
    REMOVEDREACTION,
    INMYCONTACTS,
    SELFDESTRUCTED
}
Enum Value SnapItemState
0 UNKNOWN
1 NONE
2 SCREENSHOTTED
3 RECORDED
4 REPLAYED
5 SENDING
6 WAITING_TO_SEND
7 SEND_FAILED
8 PLAYING
9 TAP_TO_DOWNLOAD
10 DOWNLOADING
11 DOWNLOAD_FAILED
12 SAVED
13 REACTION
14 REMOVEDREACTION
15 INMYCONTACTS
16 SELFDESTRUCTED

SnapModeState

./com/snapchat/client/messaging/SnapModeState.java

public enum SnapModeState {
    SELFDESTRUCTSNAP,
    ONETIMEONLYSNAP
}
Enum Value SnapModeState
0 SELFDESTRUCTSNAP
1 ONETIMEONLYSNAP

SnapPostOpenViewingPolicy

./com/snapchat/client/messaging/SnapPostOpenViewingPolicy.java

public enum SnapPostOpenViewingPolicy {
    ENVELOPE,
    MEDIA
}
Enum Value SnapPostOpenViewingPolicy
0 ENVELOPE
1 MEDIA

SnapPostOpenViewingState

./com/snapchat/client/messaging/SnapPostOpenViewingState.java

public enum SnapPostOpenViewingState {
    ENVELOPE,
    MEDIA
}
Enum Value SnapPostOpenViewingState
0 ENVELOPE
1 MEDIA

SnapReplayableState

./com/snapchat/client/messaging/SnapReplayableState.java

public enum SnapReplayableState {
    NOT_REPLAYABLE,
    REPLAYABLE,
    REPLAYABLE_AGAIN
}
Enum Value SnapReplayableState
0 NOT_REPLAYABLE
1 REPLAYABLE
2 REPLAYABLE_AGAIN

StoryMediaState

./com/snapchat/client/messaging/StoryMediaState.java

public enum StoryMediaState {
    UNSET,
    PRESENT,
    DELETEDBYPOSTER
}
Enum Value StoryMediaState
0 UNSET
1 PRESENT
2 DELETEDBYPOSTER

StoryType

./com/snapchat/client/messaging/StoryType.java

public enum StoryType {
    UNKNOWN,
    OTHER,
    MY,
    PUBLIC,
    PUBLIC_ONLY_FRIENDS,
    PUBLIC_BOTH_FRIENDS,
    LIVE,
    GROUP_SHARED,
    GROUP_PRIVATE,
    GROUP_PRIVATE_SHORTCUT,
    GROUP_CUSTOM,
    SPOTLIGHT
}
Enum Value StoryType
0 UNKNOWN
1 OTHER
2 MY
3 PUBLIC
4 PUBLIC_ONLY_FRIENDS
5 PUBLIC_BOTH_FRIENDS
6 LIVE
7 GROUP_SHARED
8 GROUP_PRIVATE
9 GROUP_PRIVATE_SHORTCUT
10 GROUP_CUSTOM
11 SPOTLIGHT

UploadMediaStep

./com/snapchat/client/messaging/UploadMediaStep.java

public enum UploadMediaStep {
    RESOLVE,
    SAVE,
    ENCRYPT,
    TRIM,
    TRANSCODE,
    ZIP,
    PRE_UPLOAD_UPDATE,
    UPLOAD,
    POST_UPLOAD_UPDATE,
    DOWNLOAD,
    SMART_SHARE,
    USER_GENERATED_ASSETS_UPLOAD
}
Enum Value UploadMediaStep
0 RESOLVE
1 SAVE
2 ENCRYPT
3 TRIM
4 TRANSCODE
5 ZIP
6 PRE_UPLOAD_UPDATE
7 UPLOAD
8 POST_UPLOAD_UPDATE
9 DOWNLOAD
10 SMART_SHARE
11 USER_GENERATED_ASSETS_UPLOAD

MessageBehaviorHint

./com/snapchat/client/messaging/MessageBehaviorHint.java

public enum MessageBehaviorHint {
    SHARE_FAMILY_CENTER_LOCATION_REQUEST,
    SNAP_PRO_USER_REPLY_TO_PUBLIC_STORY,
    SNAP_SENT_FROM_MEMORIES_OR_CAMERA_ROLL,
    SNAP_SENT_FROM_MERLIN_QUICK_CAPTURE,
    SNAP_VIEWABLE_AFTER_OPENING
}
Enum Value MessageBehaviorHint
0 SHARE_FAMILY_CENTER_LOCATION_REQUEST
1 SNAP_PRO_USER_REPLY_TO_PUBLIC_STORY
2 SNAP_SENT_FROM_MEMORIES_OR_CAMERA_ROLL
3 SNAP_SENT_FROM_MERLIN_QUICK_CAPTURE
4 SNAP_VIEWABLE_AFTER_OPENING

MessageEncryption

./com/snapchat/client/messaging/MessageEncryption.java

public enum MessageEncryption {
    NONE,
    EEL,
    KRAKEN,
    FIDELIUS,
    CLEARTEXTKEY,
    UNEXPECTED
}
Enum Value MessageEncryption
0 NONE
1 EEL
2 KRAKEN
3 FIDELIUS
4 CLEARTEXTKEY
5 UNEXPECTED

MessageState

./com/snapchat/client/messaging/MessageState.java

public enum MessageState {
    PREPARING,
    SENDING,
    COMMITTED,
    FAILED,
    CANCELING,
    PENDING_DECRYPTION
}
Enum Value MessageState
0 PREPARING
1 SENDING
2 COMMITTED
3 FAILED
4 CANCELING
5 PENDING_DECRYPTION

Found in arroyo.db, table conversation, column send_state_type.

MessageUpdate

./com/snapchat/client/messaging/MessageUpdate.java

public enum MessageUpdate {
    UNKNOWN,
    READ,
    RELEASE,
    SAVE,
    UNSAVE,
    ERASE,
    SCREENSHOT,
    SCREEN_RECORD,
    REPLAY,
    REACTION,
    REMOVEREACTION,
    REVOKETRANSCRIPTION,
    ALLOWTRANSCRIPTION,
    ERASESAVEDSTORYMEDIA,
    EDITMESSAGE,
    HIDE,
    SENDPRIORITYCHATNOTIFICATION
}
Enum Value MessageUpdate
0 UNKNOWN
1 READ
2 RELEASE
3 SAVE
4 UNSAVE
5 ERASE
6 SCREENSHOT
7 SCREEN_RECORD
8 REPLAY
9 REACTION
10 REMOVEREACTION
11 REVOKETRANSCRIPTION
12 ALLOWTRANSCRIPTION
13 ERASESAVEDSTORYMEDIA
14 EDITMESSAGE
15 HIDE
16 SENDPRIORITYCHATNOTIFICATION

Trigger

./com/snapchat/client/mdp_common/Trigger.java

public enum Trigger {
    UNSET,
    IMPRESSIONPREFETCH,
    INLINEPREFETCH,
    FOREGROUNDPREFETCH,
    BACKGROUNDPREFETCH,
    ACFINLINEPREFETCH,
    BCFFOREGROUNDPREFETCH,
    PREPAREPLAYBACKCURRENTFULLDOWNLOAD,
    PREPAREPLAYBACKCURRENTSTREAMING,
    PREPAREPLAYBACKNEIGHBORFULLDOWNLOAD,
    PREPAREPLAYBACKNEIGHBORSTREAMING,
    PREVIEWUSERVISIBLE,
    SHARINGUSERVISIBLE,
    SNAPDOCRETRIEVAL,
    FEATUREDPREPAREPLAYBACKCURRENTFULLDOWNLOAD,
    FEATUREDPREPAREPLAYBACKCURRENTSTREAMING,
    SPOTLIGHTPREFETCHONSTARTUP,
    OPERAPLAYBACKSTREAMING,
    CHATTHUMBNAIL,
    PROFILECHATTHUMBNAIL,
    MEMORIESCHATTHUMBNAIL,
    CHATPLAYBACK,
    PROFILECHATPLAYBACK,
    MEMORIESCHATPLAYBACK,
    CHATTHUMBNAILUSERTRIGGERED,
    FOREGROUNDPREFETCHUSERTRIGGERED,
    FOREGROUNDPREFETCHSNAPREPLAY,
    FOREGROUNDPREFETCHINAPPNOTIFICATION,
    FOREGROUNDPREFETCHREADNOTSAVEDMESSAGE,
    FOREGROUNDPREFETCHREADSAVEDMESSAGE,
    CHATWALLPAPER,
    CHATWALLPAPERTHUMBNAIL,
    OPERAPAGERESOLVER,
    FOREGROUNDPREFETCHONCHATENTER,
    FOREGROUNDPREFETCHONFRIENDSFEED
}
Enum Value Trigger
0 UNSET
1 IMPRESSIONPREFETCH
2 INLINEPREFETCH
3 FOREGROUNDPREFETCH
4 BACKGROUNDPREFETCH
5 ACFINLINEPREFETCH
6 BCFFOREGROUNDPREFETCH
7 PREPAREPLAYBACKCURRENTFULLDOWNLOAD
8 PREPAREPLAYBACKCURRENTSTREAMING
9 PREPAREPLAYBACKNEIGHBORFULLDOWNLOAD
10 PREPAREPLAYBACKNEIGHBORSTREAMING
11 PREVIEWUSERVISIBLE
12 SHARINGUSERVISIBLE
13 SNAPDOCRETRIEVAL
14 FEATUREDPREPAREPLAYBACKCURRENTFULLDOWNLOAD
15 FEATUREDPREPAREPLAYBACKCURRENTSTREAMING
16 SPOTLIGHTPREFETCHONSTARTUP
17 OPERAPLAYBACKSTREAMING
18 CHATTHUMBNAIL
19 PROFILECHATTHUMBNAIL
20 MEMORIESCHATTHUMBNAIL
21 CHATPLAYBACK
22 PROFILECHATPLAYBACK
23 MEMORIESCHATPLAYBACK
24 CHATTHUMBNAILUSERTRIGGERED
25 FOREGROUNDPREFETCHUSERTRIGGERED
26 FOREGROUNDPREFETCHSNAPREPLAY
27 FOREGROUNDPREFETCHINAPPNOTIFICATION
28 FOREGROUNDPREFETCHREADNOTSAVEDMESSAGE
29 FOREGROUNDPREFETCHREADSAVEDMESSAGE
30 CHATWALLPAPER
31 CHATWALLPAPERTHUMBNAIL
32 OPERAPAGERESOLVER
33 FOREGROUNDPREFETCHONCHATENTER
34 FOREGROUNDPREFETCHONFRIENDSFEED

VideoMediaType

./com/snapchat/addlive/shared_metrics/VideoMediaType.java

public enum VideoMediaType {
    VIDEO,
    SCREEN
}
Enum Value VideoMediaType
0 VIDEO
1 SCREEN

.\com\snapchat\client\messaging\FriendLink.java

public enum FriendLink {
    UNKNOWN,
    MUTUAL_FRIEND,
    FOLLOWER,
    PENDING,
    BLOCKED,
    INCOMING,
    DELETED
}
Enum Value FriendLink
0 UNKNOWN
1 MUTUAL_FRIEND
2 FOLLOWER
3 PENDING
4 BLOCKED
5 INCOMING
6 DELETED

ConnectivityNetworkType

.\com\snapchat\addlive\shared_metrics\ConnectivityNetworkType.java

public enum ConnectivityNetworkType {
    WWAN_5G,
    WWAN_4G,
    WWAN_3G,
    WWAN_2G,
    WWAN_OTHER,
    WIFI,
    NOT_REACHABLE,
    UNKNOWN
}
Enum Value ConnectivityNetworkType
0 WWAN_5G
1 WWAN_4G
2 WWAN_3G
3 WWAN_OTHER
4 WIFI
5 NOT_REACHABLE
6 UNKNOWN

Connectivity

.\com\snapchat\client\network_types\Connectivity.java

public enum Connectivity {
    WIFI,
    WWAN,
    UNREACHABLE,
    UNKNOWN
}
Enum Value Connectivity
0 WIFI
1 WWAN
2 UNREACHABLE
3 UNKNOWN

CONTENT_ATTRIBUTION

This isn't an enum, but found within the cache_controller.db sqlite database; table CACHE_FILE_CLAIM, column CONTENT_ATTRIBUTION.

.\com\snap\modules\media\NativeContentTypeKey.java

public final class NativeContentTypeKey {
    
    // ...

    static {
        NativeContentTypeKey nativeContentTypeKey = new NativeContentTypeKey("COMMUNITIES", 0);
        COMMUNITIES = nativeContentTypeKey;
        NativeContentTypeKey nativeContentTypeKey2 = new NativeContentTypeKey("GAME", 1);
        GAME = nativeContentTypeKey2;
        NativeContentTypeKey nativeContentTypeKey3 = new NativeContentTypeKey("MAP_PLACE_ICONS", 2);
        MAP_PLACE_ICONS = nativeContentTypeKey3;
        NativeContentTypeKey nativeContentTypeKey4 = new NativeContentTypeKey("SPOTLIGHT_THUMBNAIL", 3);
        SPOTLIGHT_THUMBNAIL = nativeContentTypeKey4;
        NativeContentTypeKey nativeContentTypeKey5 = new NativeContentTypeKey("PLACE_PROFILE_INFO", 4);
        PLACE_PROFILE_INFO = nativeContentTypeKey5;
        NativeContentTypeKey nativeContentTypeKey6 = new NativeContentTypeKey("PLACE_PROFILE_ANNOTATIONS", 5);
        PLACE_PROFILE_ANNOTATIONS = nativeContentTypeKey6;
        NativeContentTypeKey nativeContentTypeKey7 = new NativeContentTypeKey("IN_APP_WARNING", 6);
        IN_APP_WARNING = nativeContentTypeKey7;
        NativeContentTypeKey nativeContentTypeKey8 = new NativeContentTypeKey("IN_APP_APPEAL", 7);
        IN_APP_APPEAL = nativeContentTypeKey8;
        NativeContentTypeKey nativeContentTypeKey9 = new NativeContentTypeKey("STICKERS_SMART_REPLY_MODEL", 8);
        STICKERS_SMART_REPLY_MODEL = nativeContentTypeKey9;
        NativeContentTypeKey nativeContentTypeKey10 = new NativeContentTypeKey("SHOPPING_STICKERS_MODEL", 9);
        SHOPPING_STICKERS_MODEL = nativeContentTypeKey10;
        NativeContentTypeKey nativeContentTypeKey11 = new NativeContentTypeKey("NOTIFICATION_SOUNDS", 10);
        NOTIFICATION_SOUNDS = nativeContentTypeKey11;
        NativeContentTypeKey nativeContentTypeKey12 = new NativeContentTypeKey("NOTIFICATION_THUMBNAILS", 11);
        NOTIFICATION_THUMBNAILS = nativeContentTypeKey12;
        NativeContentTypeKey nativeContentTypeKey13 = new NativeContentTypeKey("CHAT_MEDIA", 12);
        CHAT_MEDIA = nativeContentTypeKey13;
        NativeContentTypeKey nativeContentTypeKey14 = new NativeContentTypeKey("UNATTRIBUTED_URL", 13);
        UNATTRIBUTED_URL = nativeContentTypeKey14;
        NativeContentTypeKey nativeContentTypeKey15 = new NativeContentTypeKey("SAVED_STORY", 14);
        SAVED_STORY = nativeContentTypeKey15;
        NativeContentTypeKey nativeContentTypeKey16 = new NativeContentTypeKey("MAP_WIDGET_ASSET", 15);
        MAP_WIDGET_ASSET = nativeContentTypeKey16;
        NativeContentTypeKey nativeContentTypeKey17 = new NativeContentTypeKey("PUBLIC_STORY_SNAP_THUMBNAIL", 16);
        PUBLIC_STORY_SNAP_THUMBNAIL = nativeContentTypeKey17;
        NativeContentTypeKey nativeContentTypeKey18 = new NativeContentTypeKey("SNAP_DEVICES_ASSET", 17);
        SNAP_DEVICES_ASSET = nativeContentTypeKey18;
        NativeContentTypeKey nativeContentTypeKey19 = new NativeContentTypeKey("MAP_THUMBNAIL", 18);
        MAP_THUMBNAIL = nativeContentTypeKey19;
        NativeContentTypeKey nativeContentTypeKey20 = new NativeContentTypeKey("STATIC_MAP_FOR_PROFILE", 19);
        STATIC_MAP_FOR_PROFILE = nativeContentTypeKey20;
        NativeContentTypeKey nativeContentTypeKey21 = new NativeContentTypeKey("STATIC_MAP_FOR_MEMORIES", 20);
        STATIC_MAP_FOR_MEMORIES = nativeContentTypeKey21;
        NativeContentTypeKey nativeContentTypeKey22 = new NativeContentTypeKey("STATIC_MAP_FOR_WIDGET", 21);
        STATIC_MAP_FOR_WIDGET = nativeContentTypeKey22;
        NativeContentTypeKey nativeContentTypeKey23 = new NativeContentTypeKey("STATIC_MAP_FOR_COMPOSER", 22);
        STATIC_MAP_FOR_COMPOSER = nativeContentTypeKey23;
        NativeContentTypeKey nativeContentTypeKey24 = new NativeContentTypeKey("STATIC_MAP_FOR_DROPS", 23);
        STATIC_MAP_FOR_DROPS = nativeContentTypeKey24;
        NativeContentTypeKey nativeContentTypeKey25 = new NativeContentTypeKey("STATIC_MAP_FOR_REACTIONS", 24);
        STATIC_MAP_FOR_REACTIONS = nativeContentTypeKey25;
        NativeContentTypeKey nativeContentTypeKey26 = new NativeContentTypeKey("STATIC_MAP_FOR_MULTIVERSE", 25);
        STATIC_MAP_FOR_MULTIVERSE = nativeContentTypeKey26;
        NativeContentTypeKey nativeContentTypeKey27 = new NativeContentTypeKey("STATIC_MAP_FOR_LEGAL_COMPLIANCE", 26);
        STATIC_MAP_FOR_LEGAL_COMPLIANCE = nativeContentTypeKey27;
        NativeContentTypeKey nativeContentTypeKey28 = new NativeContentTypeKey("MINERVA_IMAGE_PROCESSING", 27);
        MINERVA_IMAGE_PROCESSING = nativeContentTypeKey28;
        NativeContentTypeKey nativeContentTypeKey29 = new NativeContentTypeKey("TEMPLATES_PREVIEW_VIDEO", 28);
        TEMPLATES_PREVIEW_VIDEO = nativeContentTypeKey29;
        NativeContentTypeKey nativeContentTypeKey30 = new NativeContentTypeKey("COF_EARLY_CONFIG_DOWNLOAD", 29);
        COF_EARLY_CONFIG_DOWNLOAD = nativeContentTypeKey30;
        NativeContentTypeKey nativeContentTypeKey31 = new NativeContentTypeKey("COMPOSER_ENCRYPTED_LENS_ASSET", 30);
        COMPOSER_ENCRYPTED_LENS_ASSET = nativeContentTypeKey31;
        NativeContentTypeKey nativeContentTypeKey32 = new NativeContentTypeKey("DEPRECATED_GLOBAL_SCOPED_IMAGE_CACHE", 31);
        DEPRECATED_GLOBAL_SCOPED_IMAGE_CACHE = nativeContentTypeKey32;
        NativeContentTypeKey nativeContentTypeKey33 = new NativeContentTypeKey("MINERVA_AI_CAMERA_MODE", 32);
        MINERVA_AI_CAMERA_MODE = nativeContentTypeKey33;
        NativeContentTypeKey nativeContentTypeKey34 = new NativeContentTypeKey("MEMORIES_MASHUP_NONBACKUP_ASSETS", 33);
        MEMORIES_MASHUP_NONBACKUP_ASSETS = nativeContentTypeKey34;
        NativeContentTypeKey nativeContentTypeKey35 = new NativeContentTypeKey("REMIX_CAMERA_STORY", 34);
        REMIX_CAMERA_STORY = nativeContentTypeKey35;
        NativeContentTypeKey nativeContentTypeKey36 = new NativeContentTypeKey("CAMERA_MODE_ONBOARDING", 35);
        CAMERA_MODE_ONBOARDING = nativeContentTypeKey36;
        NativeContentTypeKey nativeContentTypeKey37 = new NativeContentTypeKey("MEMORIES_CROPPED_FACE_THUMBNAIL", 36);
        MEMORIES_CROPPED_FACE_THUMBNAIL = nativeContentTypeKey37;
        NativeContentTypeKey nativeContentTypeKey38 = new NativeContentTypeKey("MEMORIES_ON_DEMAND_METADATA", 37);
        MEMORIES_ON_DEMAND_METADATA = nativeContentTypeKey38;
        NativeContentTypeKey nativeContentTypeKey39 = new NativeContentTypeKey("TOS_HTML_DOWNLOAD", 38);
        TOS_HTML_DOWNLOAD = nativeContentTypeKey39;
        NativeContentTypeKey nativeContentTypeKey40 = new NativeContentTypeKey("SNAPZEN_HOME_ASSETS", 39);
        SNAPZEN_HOME_ASSETS = nativeContentTypeKey40;
        NativeContentTypeKey nativeContentTypeKey41 = new NativeContentTypeKey("CUSTOM_RINGTONES", 40);
        CUSTOM_RINGTONES = nativeContentTypeKey41;

// ...
}

The CONTENT_ATTRIBUTION column uses the same NativeContentTypeKey integers for recording which product feature registered the original download request for this cached item.

Integer Value NativeContentTypeKey Name Interpretation
0 COMMUNITIES Communities - suppressed in analytics by a logical > 0 guard, so appears absent in events. But can appear as a literal 0 in cache_controller.db.
1 GAME Download triggered by Snap Games feature.
2 MAP_PLACE_ICONS Snap Map - place icon assets.
3 SPOTLIGHT_THUMBNAIL Spotlight feed thumbnail.
4 PLACE_PROFILE_INFO Snap Map - place profile page.
5 PLACE_PROFILE_ANNOTATIONS Snap Map - place annotations overlay.
6 IN_APP_WARNING In-app safety/moderation warning asset.
7 IN_APP_APPEAL In-app content appeal asset.
8 STICKERS_SMART_REPLY_MODEL ML model for smart reply stickers.
9 SHOPPING_STICKERS_MODEL Shopping/commerce sticker ML model.
10 NOTIFICATION_SOUNDS Notification sound file download.
11 NOTIFICATION_THUMBNAILS Notification preview thumbnail.
12 CHAT_MEDIA Chat/DM media (photo or video in a 1:1 or group chat).
13 UNATTRIBUTED_URL Raw URL fetch with no specific feature tag.
14 SAVED_STORY Saved/archived story media.
15 MAP_WIDGET_ASSET Snap Map widget asset.
16 PUBLIC_STORY_SNAP_THUMBNAIL Public story snap preview thumbnail.
17 SNAP_DEVICES_ASSET Spectacles / Snap hardware asset.
18 MAP_THUMBNAIL Snap Map background thumbnail.
19 STATIC_MAP_FOR_PROFILE Static map image on a user profile.
20 STATIC_MAP_FOR_MEMORIES Static map embedded in a Memory.
21 STATIC_MAP_FOR_WIDGET Static map for home-screen widget.
22 STATIC_MAP_FOR_COMPOSER Static map inside the snap composer.
23 STATIC_MAP_FOR_DROPS Static map for Drops feature.
24 STATIC_MAP_FOR_REACTIONS Static map for Reactions feature.
25 STATIC_MAP_FOR_MULTIVERSE Static map for Multiverse feature.
26 STATIC_MAP_FOR_LEGAL_COMPLIANCE Static map for legal/compliance display.
27 MINERVA_IMAGE_PROCESSING Minerva AI - image processing asset.
28 TEMPLATES_PREVIEW_VIDEO Story template preview video.
29 COF_EARLY_CONFIG_DOWNLOAD COF (Content/Config on First-run) early config.
30 COMPOSER_ENCRYPTED_LENS_ASSET Lens asset fetched inside the composer (encrypted).
31 DEPRECATED_GLOBAL_SCOPED_IMAGE_CACHE Legacy global image cache (deprecated).
32 MINERVA_AI_CAMERA_MODE Minerva AI camera mode asset.
33 MEMORIES_MASHUP_NONBACKUP_ASSETS Memories Mashup - non-backup assets.
34 REMIX_CAMERA_STORY Remix feature - camera story asset.
35 CAMERA_MODE_ONBOARDING Onboarding assets for camera modes.
36 MEMORIES_CROPPED_FACE_THUMBNAIL Memories - face-cropped thumbnail.
37 MEMORIES_ON_DEMAND_METADATA Memories on-demand metadata file.
38 TOS_HTML_DOWNLOAD Terms of Service HTML page download.
39 SNAPZEN_HOME_ASSETS SnapZen / home screen assets.
40 CUSTOM_RINGTONES Custom notification ringtone download.

More enums and updates to come in the future.

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Jamie Sharpe