Windows Phone Terminologies
Application State
Application sate is application level Data. This Data may be returned by the service and being displayed in different view. For example a list of students being retuned by a service and on Page1 only students names are being displayed whereas on Page2 student names and age are being displayed. So Application State is a data returned by service and being displayed differently on different pages of the application.
Page State
It is common scenario that user fill some value on page and navigate from that page. On returning to the same page user expects persisted value on the page. Page state is visual persisted state of the page. For example on a page there is one text box and one check box. User has entered some value in text box and checked the check box. Value entered in the textbox and checked checkbox creates Page state of the page.
Tombstoning
It is process to persist data after application is terminated. Data can be persisted of an individual page or data can be persisted of state of whole application. When again user navigates back then application gets recreated and all the data persisted gets restored.
State Dictionary
Dictionary objects are used to store key/value pair. Dictionary in Windows phone is used to restore the Application state. At time of Tombstoning Dictionary gets preserved.
Application Life Cycle
Application life cycle of Windows Phone application says about different state of the application from launching to closing. User launches an application and application goes to running state. Due to launching of other application or on pressing of hardware start or search button application goes to dormant or tombstone state. Again on the launching of application, app gets activated from either dormant or tombstone state. Application can be closed by pressing of hardware back button.
Application State
Application sate is application level Data. This Data may be returned by the service and being displayed in different view. For example a list of students being retuned by a service and on Page1 only students names are being displayed whereas on Page2 student names and age are being displayed. So Application State is a data returned by service and being displayed differently on different pages of the application.
Page State
It is common scenario that user fill some value on page and navigate from that page. On returning to the same page user expects persisted value on the page. Page state is visual persisted state of the page. For example on a page there is one text box and one check box. User has entered some value in text box and checked the check box. Value entered in the textbox and checked checkbox creates Page state of the page.
Tombstoning
It is process to persist data after application is terminated. Data can be persisted of an individual page or data can be persisted of state of whole application. When again user navigates back then application gets recreated and all the data persisted gets restored.
State Dictionary
Dictionary objects are used to store key/value pair. Dictionary in Windows phone is used to restore the Application state. At time of Tombstoning Dictionary gets preserved.
Application Life Cycle
Application life cycle of Windows Phone application says about different state of the application from launching to closing. User launches an application and application goes to running state. Due to launching of other application or on pressing of hardware start or search button application goes to dormant or tombstone state. Again on the launching of application, app gets activated from either dormant or tombstone state. Application can be closed by pressing of hardware back button.
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