Extras in Android development

 The Extras property is primarily used to pass the additional data required by the target component. Set by the Putextras () method. often used as a intent,broadcast receiver and other components of the incoming data use! Now, let's see what the extras is.

EXTRA constant Value	Significance
Extra_alarm_count	Number of Pending Alarms that hold the delay
Extra_bcc	An array of strings that hold the message's secret address
Extra_cc	An array of strings that hold the e-mail cc addresses
Extra_changed_component_name	Deprecated. (out of date)
Extra_changed_component_name_list	Array of names of changed components to be used when calling Action_package_changed
Extra_data_removed	When used with action_package_removed, indicates whether to completely unload (remove Programs and data) or partially unload (leaving the data, which means it is possible to update the application)
Extra_dock_state	This DOCK state is required for action_dock_event. The value it can take is extra_dock_state_undocked,extra_dock_state_desk,extra_dock_state_car.
Extra_dock_state_car	Car base
Extra_dock_state_desk	Desktop Dock
Extra_dock_state_undocked	No dock base
Extra_dont_kill_app	Overloads the default Restart app's behavior with a Boolean value called action_package_removed or action_package_changed
Extra_email	An array of strings that hold e-mail addresses
Extra_initial_intents	Add an additional Activity selector to the select list when Action_chooser is called
Extra_intent	With Action_pick_activity. Choose the Activity you want
Extra_key_event	KeyEvent object to hold the button triggering Intent
Extra_phone_number	Hold the phone number when calling Action_call
Extra_remote_intent_token	The remote Intent
Extra_replacing	A Boolean value that mates with action_package_removed to indicate whether the program is replaced (reinstall the program)
Extra_shortcut_icon	The name of the icon string, which corresponds to the type Bitmap, as the icon for the shortcut
Extra_shortcut_icon_resource	Icon of the name of the resource string, type Shortcuticonresource, as the icon for the shortcut
Extra_shortcut_intent	In Intent for shortcut (shortcut)
extra_stream	a content: uri holding a stream of data associated  with the intent, used with action_send to supply the data  being sent.
Extra_shortcut_name	When you create a shortcut to an Activity with Action_create_shortcut, specify the name of the shortcut
Extra_subject	Hold message subject string
extra_template	the initial data to place in a newly created  record. use with action_insert. the data here is a map  containing the same fields as would be given to the  Underlying contentprovider.insert ()  call.
Extra_text	Store email Content
Extra_title	With Action_chooser, specify the Title of the Dialog when you create the CHOOSER Dialog.
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Extra_uid	An int type, with action_uid_removed support to register the UID package, convenient when action_package_removed or action_package_changed trigger can Find the same target (use UID to differentiate)

Extras in Android development