Basic components of android application
Elementary components
1.
Activities UI component is usually consistent to one screen.
2.
Broadcast Receivers Reply to broadcast Goals.
3.
Services Nameless everyday jobs that run in the background.
4.
Content Workers Permit applications to share data.
Activities
·
Normally correspond to one Monitor in a UI
·
But, they can:
·
be faceless
·
be in a floating window
·
Reappearance a value.
Aims
·
Reason of Aims as a verb and object; an explanation of what you want
done • Examples: VIEW, CALL, PLAY, etc.
·
System competitions Intent with Action that can best offer that facility.
Broadcast Receivers
•
Components planned to reply to program Aims
•
Think of them as a way to respond to outer statements or fears
•
Applications can create and transmission their own Goals as well.
Services
•
Faceless components that run in the background
•
Example: music player, network download, etc.
•
Fix your code to an organization service through a remote-able crossing
point clear in an IDL
•
Can run in your own manner or single route.
Content Providers
Qualifies distribution of data through applications Examples:
·
Address book, photo gallery, etc.
•
Delivers unchanging APIs for:
•
Asking (returns a Pointer)
•
Remove, inform, and insert
•
Content is symbolized by URI and MIME type
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