Improving trust and flexibility in interactions between Android apps
Activity1 sending an Intent that either Activity2 or Activity3 can handle. Android provides a flexible system of messaging between apps in the form of `Intent`s. It also provides the framework for reusing large chunks of apps based on the `Activity` class. `Intent`s are the messages that make the requests, and `Activity`s are the basic chunk of functionality in an app, including its interface. This combination allows apps to reuse large chunks of functionality while keeping the user experience seamless and fluent.
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