For broadcast receivers the message is the acon being

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Unformatted text preview: is low, etc. –  Applica,ons can also ini,ate broadcasts. •  E.g. to let other applica,ons know that some data has been downloaded to the device and is available for them to use –  Do not have a user interface –  May start an ac,vity in response to the received broadcast –  May also use no,fica,ons to alert the user COMP 4521 (Muppala) Android Overview 10 Content Providers •  Makes a specific set of the applica,on's data available to other applica,ons –  Data can be stored in the file system, in an SQLite, or in any other manner that makes sense –  extends the ContentProvider base class to implement a standard set of methods that enable other applica,ons to retrieve and store data of the type it controls •  Applica,ons do not call these methods directly. –  They use a ContentResolver object and call its methods instead –  A ContentResolver can talk to any content provider COMP 4521 (Muppala) Android Overview 11 Ac,va,ng Components Ac,vity Intent Service Broadcast...
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This document was uploaded on 03/12/2014.

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