Saving Data on Android

vnd
 
stands for 
vendor
 and is not part of the package name of the app. The subtype of a 
custom MIME type is provider-specific and is generally defined in the contract class 
for the provider.
The 
getType
 method of the provider returns a String in MIME format. If the provider 
returns a specific type of data, the common MIME type for that data should be 
returned. If the content URI points to a row or a table of data, a vendor specific 
formatted MIME type including the authority and the table name should be returned 
such as 
vnd.android.cursor.dir/
vnd.com.raywenderlich.contentprovidertodo.provider.todoitems
. This 
MIME type is for multiple rows in the todoitems table of an app with the authority
Saving Data on Android
Chapter 4: ContentProvider
raywenderlich.com
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