- What is an activity in Android?
- What is the benefit of creating a signed APK?
- How can I compare two Drawables in Android?
- Can we use SVG in Android?
- How do you access resources in XML?
- How do you create resources?
- What are the different types of resources available in Android?
- What is v24 in Android?
- What is a resource definition?
- What are assets in Android?
- What is a ListView in android?
- What is a fragment in Android?
- What is resource folder in Android?
- What is application resource?
- What is resource manager in Android?
- What is drawable in Android?
- What is raw resources in Android?
- What is a resource file?
- How do I get raw resources on Android?
- What is the use of notification manager in Android?
- Why do we externalize resources?
What is an activity in Android?
An activity represents a single screen with a user interface just like window or frame of Java.
Android activity is the subclass of ContextThemeWrapper class..
What is the benefit of creating a signed APK?
Application signing ensures that one application cannot access any other application except through well-defined IPC. When an application (APK file) is installed onto an Android device, the Package Manager verifies that the APK has been properly signed with the certificate included in that APK.
How can I compare two Drawables in Android?
You are comparing a Drawable with an integer ( R. drawable. ic_favorite_border is an integer). On the other hand, to compare Drawables, you must use the object returned by the getConstantState() method.
Can we use SVG in Android?
While Android does not support SVGs (Scalable Vector Graphics) directly, with the launch of Lollipop a new class was introduced called VectorDrawable, which allows designers and developers to draw assets in a similar fashion using only code.
How do you access resources in XML?
There are two ways you can access a resource:In code: Using an static integer from a sub-class of your R class, such as: R.string.hello. string is the resource type and hello is the resource name. … In XML: Using a special XML syntax that also corresponds to the resource ID defined in your R class, such as: @string/hello.
How do you create resources?
To create a resource In Resource View, select your . rc file, then use Edit > Add Resource and choose the type of resource to add to your project. You can also right-click the . rc file in Resource View and choose Add Resource from the shortcut menu.
What are the different types of resources available in Android?
Android resource types are as follows:Drawable resources.Color state list resources.Animation resources.Layout resources.Menu resources.Style resource.String resources.Others.
What is v24 in Android?
android. We have a drawable file already in drawable v21 also for ripple effect. So why we use drawable v24 when we are getting vector file already. Below is the xml File ic_launcher_foreground. xml.
What is a resource definition?
Resources are a kind of supply that can be drawn on by a person or organisation in order to function and execute plans and projects. … In economics, resource is defined as a service or other asset used to produce goods and services that meet human needs and wants.
What are assets in Android?
Assets provide a way to include arbitrary files like text, xml, fonts, music, and video in your application. … If you want to access data untouched, Assets are one way to do it. Assets added to your project will show up just like a file system that can read from by your application using AssetManager.
What is a ListView in android?
Android ListView is a view which groups several items and display them in vertical scrollable list. The list items are automatically inserted to the list using an Adapter that pulls content from a source such as an array or database.
What is a fragment in Android?
A Fragment represents a reusable portion of your app’s UI. A fragment defines and manages its own layout, has its own lifecycle, and can handle its own input events. Fragments cannot live on their own–they must be hosted by an activity or another fragment.
What is resource folder in Android?
The res/values folder is used to store the values for the resources that are used in many Android projects to include features of color, styles, dimensions etc. Below explained are few basic files, contained in the res/values folder: colors. xml: The colors.
What is application resource?
Resources are the additional files and static content that your code uses, such as bitmaps, layout definitions, user interface strings, animation instructions, and more. … At runtime, Android uses the appropriate resource based on the current configuration.
What is resource manager in Android?
Resource Manager is a tool window for importing, creating, managing, and using resources in your app. … The filter button lets you view resources from local dependent modules, external libraries, and the Android framework. You can also use the filter to show theme attributes.
What is drawable in Android?
A drawable resource is a general concept for a graphic that can be drawn to the screen and which you can retrieve with APIs such as getDrawable(int) or apply to another XML resource with attributes such as android:drawable and android:icon . There are several different types of drawables: Bitmap File.
What is raw resources in Android?
Introduction. In android, raw is included in the res folder of android project. You can add an assets files in raw folder like music files, database files or text files. It is an inbuilt folder named as “raw” where you can add your files and you can retrieve the file in your java code as R. raw.
What is a resource file?
A resource file is a text file with the extension . rc. … For a resource that exists in a separate file, such as an icon or cursor, the script specifies the resource and the file that contains it. For some resources, such as a menu, the entire definition of the resource exists within the script.
How do I get raw resources on Android?
From any context, you can get your app’s resources by calling getResources(). The returned Resources object allows you to access any of your app’s resources using the corresponding resource identifier. To access a raw resource, you’d use the openRawResource() method of the Resources class.
What is the use of notification manager in Android?
Notification Manager. Android allows to put notification into the titlebar of your application. The user can expand the notification bar and by selecting the notification the user can trigger another activity.
Why do we externalize resources?
Externalizing your resources also allows you to provide alternative resources that support specific device configurations such as different languages or screen sizes, which becomes increasingly important as more Android-powered devices become available with different configurations.