android.provider.Telephony

The Telephony provider contains data related to phone operation. 

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android.provider.Telephony.TextBasedSmsColumns

Base columns for tables that contain text based SMSs.

SMS  = （Short Message Service）短信服务

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android.provider.Telephony.Sms

Contains all text based SMS messages.

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android.provider.Telephony.BaseMmsColumns

Base columns for tables that contain MMSs.

MMS = (Multi Media Message)

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android.provider.Telephony.CanonicalAddressesColumns

Columns for the "canonical_addresses" table used by MMS and SMS."

canonical 权威的

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android.provider.Telephony.ThreadsColumns

Columns for the "threads" table used by MMS and SMS.

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android.provider.Telephony.Threads

Helper functions for the "threads" table used by MMS and SMS.

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android.provider.Telephony.Mms

Contains all MMS messages.

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android.provider.Telephony.MmsSms

Contains all MMS and SMS messages.

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android.provider.Telephony.Carriers

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android.provider.Telephony.Intents