Pro Android with Kotlin

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CHAPTER 6: Content Providers
Table 6-3. CallLog Table Columns
Name
Description
date
The date of the call, in milliseconds since the epoch.
transcription
Transcription of the call or voicemail entry.
photo_id
The cached photo ID of an associated photo.
subscription_component_ 
name
The component name of the account used to place or receive the call.
type
The type of the call. One of (constant names in CallLog.Calls):
INCOMING_TYPE
OUTGOING_TYPE
MISSED_TYPE
VOICEMAIL_TYPE
REJECTED_TYPE
BLOCKED_TYPE
ANSWERED_EXTERNALLY_TYPE
geocoded_location
A geocoded location for the number associated with this call.
presentation
The number presenting rules set by the network. One of (constant 
names in CallLog.Calls): PRESENTATION_ALLOWED
PRESENTATION_RESTRICTED
PRESENTATION_UNKNOWN
PRESENTATION_PAYPHONE
duration
The duration of the call in seconds.
subscription_id
The identifier for the account used to place or receive the call.
is_read
Whether this item has been read or otherwise consumed by the user 
(0=false, 1=true).
number
The phone number as the user entered it.
features
Bitmask describing features of the call, built of (constant names in 
CallLog.Calls):FEATURES_HD_CALL: Call was HD.
FEATURES_PULLED_EXTERNALLY: Call was pulled externally.
FEATURES_VIDEO: Call had video.
FEATURES_WIFI: Call was WIFI call.
voicemail_uri
URI of the voicemail entry, if applicable.
normalized_number
The cached normalized (E164) version of the phone number, if it exists.
via_number
For an incoming call, the secondary line number the call was received 
via. When a SIM card has multiple phone numbers associated with it, 
this value indicates which of the numbers associated with the SIM was 
called.
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