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Content Provider Basics

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Core Concepts: Content provider manages central repository of data accessible by other applications
Providers present data as tables similar to relational databases
Content URIs identify data in providers, including authority and table path
Data Access: ContentResolver object communicates with providers as client objects
Applications request specific permissions in manifest for provider access
Data retrieval requires read access permission and query construction
CursorLoader enables asynchronous queries in background
Data Operations: ContentResolver provides CRUD functions for data manipulation
Insertion adds new rows with unique _ID automatically
Update modifies existing rows using ContentValues object
Deletion removes rows based on selection criteria
Alternative Access Methods: Batch access enables atomic operations across multiple tables
Intents allow indirect access through provider's application
Temporary permissions can be granted through result intent flags
Helper apps can display data using provider's intent actions