#7 Using Implicit intent for dialing phone number with Kotlin - Kotlin Android for beginners
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This is the contents of the video in the Kotlin Android for beginners serial:
How to create an implicit intend?
Uses implicit intend for starting an activity
Uses implicit intend for dialing phone number
Handles an exception if there is not registered activity that matches the request
Explicit and implicit intent:
Explicit intent: Starts an activity of a specific class
Implicit intent: Asks system to find an activity class with a registered handler that can handle this request
More about implicit intent:
Implicit intent allows you to start an activity in another app by describing an action you intend to perform, such as "show web page", "dial a phone number", or "take a picture"
Implicit intents do not specify the target activity class, just the intended action
Android runtime matches the implicit intent request with registered intent handlers
If there are multiple matches, an App Chooser will open to let the user chooses one
What does implicit intend work?
The Android Runtime keeps a list of registered apps
The apps register via the Android Manifest file
The Android Runtime receives a request and looks for matches by using intent filter
If there are multiple matches a list of matches will be showed and let the user choose
Android Runtime starts the requested activity
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