2.App Components-Content Providers/Calendar Provider

2.App Components-Content Providers/Calendar Provider1.CalendarProvider  TheCalendarProviderisarepositoryforauser’scalendarevents.TheCalendarProviderAPIallowsyoutoperformquery,insert,update,    anddeleteoperationsonca…

1. Calendar Provider

  The Calendar Provider is a repository for a user’s calendar events. The Calendar Provider API allows you to perform query, insert, update,

    and delete operations on calendars, events, attendees, reminders, and so on.

2. Basics

  The content providers offered by the Android platform (including the Calendar Provider) typically expose data as a set of tables based on a

    relational database model, where each row is a record and each column is data of a particular type and meaning. Through the Calendar

    Provider API, applications and sync adapters can get read/write access to the database tables that hold a user’s calendar data.

  Every content provider exposes a public URI (wrapped as a Uri object) that uniquely identifies its data set.

  A content provider that controls multiple data sets (multiple tables) exposes a separate URI for each one.

  All URIs for providers begin with the string “content://”. This identifies the data as being controlled by a content provider

  The Calendar Provider defines constants for the URIs for each of its classes (tables). These URIs have the format <class>.CONTENT_URI.

    For example, Events.CONTENT_URI.

    2.App Components-Content Providers/Calendar Provider

3. User Permissions

   <uses-permission android:name=android.permission.READ_CALENDAR />    <uses-permission android:name=android.permission.WRITE_CALENDAR /> 

4. calendars Table

  4.1 Querying a calendar

  4.2 Modifying a calendar

  4.3 Inserting a calendar

  

  

转载于:https://www.cnblogs.com/iMirror/p/4060676.html

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