SDPD Session 6 Intents

This is the first callback method that the system calls when a new component starts the service. We need this method for a one-time set-up.

• onCreate()

• onRebind()

• onDestroy()

• onStartCommand()

Your application’s presentation layer. The UI of your application is built around one or more extensions of the ................................

• View Class

• Service Class

• Activity class

• Intent Class

.............................................. start your application to react to any received Intent, making them perfect for creating event-driven applications.

• Widgets

• Content Providers

• Notifications

• Broadcast Receivers

In Android Studio, ......................... is a custom build tool used to build android packages (apk files) by managing dependencies and providing custom build logic. 

• Maven

• Gradle

• Apache

• Ant

...................... are asynchronous messages which allow application components to request functionality from other Android components.

• Intents

• Views

• Services

• Activity

Intent can be used to .........................

• Start an Activity

• Start sub-activity.

• Start a Service.

• all of the above

Consider an app that lists the available restaurants near you. When you click a particular restaurant option, the application has to ask another application to display the route to that restaurant. To achieve this, it could either send an .................... intent directly to the Google Maps application,

• explicit

• Implicit

import androidx.appcompat.app.AppCompatActivity;

In the above import what is Androidx?

• The Android Extension Library, often known as AndroidX, is the new open-source project that is a significant upgrade to the original Android Support Library and can be used to develop, test, package version, and release libraries within Jetpack

• The androidx namespace comprises the Android Jetpack libraries

• The Android Jetpack libraries are part of the AndroidX namespace.

• ALL OF THE ABOVE

Which of these are android App Components

• Activities

• Services

• Broadcast receivers

• Content providers

• All of the above

...............................................makes it easier for you to develop apps that will behave consistently across many versions of Android

• AppCompatActivity

• androidx

• Fragmentactivity

• none of the above