Lecture 1 (short answer)

To start an activity, to start a service, and to deliver a broadcast.

Explicit intents specify the component to start by name, while implicit intents do not name a specific component.

An intent filter is an expression in an app's manifest file that specifies the type of intents that the component would like to receive.

<p>A service can be started by passing an Intent to startService().</p> Signup and view all the answers

<p>To take a photo, an app can use an implicit intent to request another app to handle the photo capture.</p> Signup and view all the answers

<p>Always use an explicit intent when starting a Service and do not declare intent filters for your services.</p> Signup and view all the answers

<p>The system throws an exception.</p> Signup and view all the answers

<p>Activity</p> Signup and view all the answers

<p>Active, Paused, Stopped</p> Signup and view all the answers

<p>It allows the system to find a component on the device that can perform the action and start it.</p> Signup and view all the answers

<p>AndroidManifest.xml</p> Signup and view all the answers

<p>To identify user permissions, declare minimum API level, and declare hardware/software features.</p> Signup and view all the answers

<p>Images, audio files, visual presentation elements.</p> Signup and view all the answers

<p>Animations</p> Signup and view all the answers

<p>Identify API libraries needed by the app.</p> Signup and view all the answers

<p>Sync adapters synchronize data with cloud services, such as Contacts and Calendar apps with Google account.</p> Signup and view all the answers

<p>Activities, services, and broadcast receivers are activated by an Intent.</p> Signup and view all the answers

<p>No, a content provider is not activated by Intents.</p> Signup and view all the answers

<p>A content resolver handles all direct transactions with the content provider.</p> Signup and view all the answers

<p>An Intent is a messaging object used to request an action from another app component.</p> Signup and view all the answers

<p>A component that runs in the background to perform long running operations or work for remote processes.</p> Signup and view all the answers

<p>A component that responds to system-wide broadcast announcements.</p> Signup and view all the answers

<p>A component that manages a shared set of app data.</p> Signup and view all the answers

<p>A component that allows syncing data between the device and a server.</p> Signup and view all the answers

<p>Messaging objects that are used to request an action from another app component.</p> Signup and view all the answers

<p>To perform long-running operations in the background, such as playing music or downloading files.</p> Signup and view all the answers

<p>A Broadcast Receiver is a component that allows the system to deliver events to the app outside of a regular user flow. It is used to respond to system-wide broadcast announcements.</p> Signup and view all the answers

<p>Content Providers are used when one application needs to share its data with other applications.</p> Signup and view all the answers

<p>Intents are used to issue commands, requests, or notifications between app components, allowing for communication between different parts of an app or between different apps.</p> Signup and view all the answers

<p>A Service may be declared to run in the foreground in situations where its termination could be detrimental to the user experience, such as when performing critical tasks like alerting the user about high temperature or playing music.</p> Signup and view all the answers

<p>A Service in Android is used to perform long-running operations in the background without a user interface.</p> Signup and view all the answers

<p>A Broadcast Receiver in Android allows the app to listen for and respond to broadcast messages from other applications or from the system.</p> Signup and view all the answers

<p>Content Providers in Android manage access to a shared set of app data, enabling data sharing between apps securely.</p> Signup and view all the answers

<p>Sync Adapters in Android are used to sync application data with a server or an online source at regular intervals.</p> Signup and view all the answers

<p>Intents in Android are used to facilitate communication between components like activities, services, broadcast receivers, etc.</p> Signup and view all the answers

<p>A Service in Android can be started by calling startService() method with an Intent.</p> Signup and view all the answers

<p>An example of an implicit Intent in Android is opening a web page using a browser.</p> Signup and view all the answers

<p>The main difference is that a Service runs in the background independently, while a Broadcast Receiver responds to system-wide events.</p> Signup and view all the answers

<p>Content Providers in Android enforce data security by defining permissions in the manifest file.</p> Signup and view all the answers

<p>Sync Adapters in Android help in keeping the local app data synchronized with the server data, ensuring data consistency.</p> Signup and view all the answers