06 wp7 isolation storage

Windows Phone 7
Li Jingnan / Wang Tao
2011-7-15
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2 days
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06 isolated storage
Wang Tao / 2011-07-15

session outline
overview
storage
overview
isolated storage
isolatedstorage
application settings
misc
ATFile
quota
threading

data storage

isolated storage

isolated storage classes
IsolatedStorageFile
represents an isolated storage area containing files and directories
IsolatedStorageFileStream
exposes a file stream access to a file stored within isolated storage
IsolatedStorageSettings
Dictionary<Tkey, Tvalue> that stores key-value pairs in isolated storage
9

isolated storage / save
10

isolated storage / loading
11

application setting
store settings like appsetting in web
use ApplicationSettings object in isolated storage
use it as you would use a dictionary
then write object to persistent storage
12
When the user exits your application, Windows Phone automatically calls Save to save the IsolatedStorageSettings.

application setting / add
13

application setting / loading
14

application setting / delete
15

ATFile/ATDirectory
16

quota management
there are no quotas on WP
apps must make careful use of space
manage app data
delete temporary data
consider async or archiving data to the cloud to reduce device storage
17

serialization and threads
serialization
complex object for saving and loading
SettingHelper
multi-thread
use new threading to perform saving and loading
18

demo
19
/ isolated storage
/ auth process
/ ATFile
/ isolated setting
03 auth context in isolated storage

practice
20
customized appsetting

thank you
21
thank youwww.anytao.com

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06 wp7 isolation storage

by Tao on Jul 19, 2011

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06 wp7 isolation storage — Presentation Transcript