Android Training in Chandigarh (9)

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Android Training in Chandigarh

• CBitss Technologies

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What is Intents?

• Android application components can connect to
  other Android applications. This connection is
  based on a task description represented by an
  Intent object.
• Intents are asynchronous messages which allow
  application components to request functionality
  from other Android components. Intents allow you
  to interact with components from the same
  applications as well as with components
  contributed by other applications. For example,
  an activity can start an external activity for
  taking a picture.

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Intent types

• Explicit intents specify which application will
  satisfy the intent, by supplying either the
  target app's package name or a fully-qualified
  component class name. You'll typically use an
  explicit intent to start a component in your own
  app, because you know the class name of the
  activity or service you want to start.
• Implicit intents do not name a specific
  component, but instead declare a general action
  to perform, which allows a component from another
  app to handle it. For example, if you want to
  show the user a location on a map, you can use an
  implicit intent to request that another capable
  app show a specified location on a map.

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Intent Structure

• The primary pieces of information in an intent
  are
• action -- The general action to be performed,
  such as ACTION_VIEW, ACTION_EDIT, ACTION_MAIN,
  etc.
• data -- The data to operate on, such as a person
  record in the contacts database, expressed as a
  Uri.
• Some examples of action/data pairs are
• ACTION_VIEW content//contacts/people/1 --
  Display information about the person whose
  identifier is "1".
• ACTION_DIAL content//contacts/people/1 --
  Display the phone dialer with the person filled
  in.

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CBitss Technologies Contact Us 9988741983,
9914641983 Website - http//cbitss.in/android-tr
aining-in-chandigarh/
CBitss Technologies SCO-23, 24,25, Level 3,Near
Passport office, Sector 34 A, Chandigarh
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