For a medium-density device (mdpi), there are 160 dots per inch on the screen, while an extra-extra-extra-high-density device (xxxhdpi) has 640 dots per inch on the screen. Screen density refers to how many pixels per inch or dots per inch (dpi) are on the screen. The goal is for your launcher icon to look crisp and clear, regardless of the device model or screen density. Click the Run button to build and run the app.Wait for Android Studio to open the project.In the file browser, navigate to where the unzipped project folder is located (likely in your Downloads folder).Note: If Android Studio is already open, instead, select the File > Open menu option. In the Welcome to Android Studio window, click Open.This creates a new folder that contains the project files. Double-click the ZIP file to unpack it.Locate the file on your computer (likely in the Downloads folder).In the popup, click the Download ZIP button to save the project to your computer.On the GitHub page for the project, click the Code button, which brings up a popup.For example, in the following screenshot the branch name is main. Verify that the branch name matches the branch name specified in the codelab.Navigate to the provided GitHub repository page for the project.In Android Studio, open the basic-android-kotlin-compose-training-affirmations folder.īranch name with starter code: intermediate An internet connection to download the image resource files.A computer with the latest stable version of Android Studio installed.A custom launcher icon for the Affirmations app.What an adaptive icon is and why it's two layers.How to use Image Asset Studio in Android Studio to generate launcher icon assets.How to change the launcher icon of an app.Able to install an Android app from Android Studio on the emulator or physical device.Able to navigate the files of a basic Android project, including the resource files.Afterwards, you can take what you learned and apply it to app icons for other apps!

You will use a tool in Android Studio, called Image Asset Studio, to generate different versions of the launcher icons. This codelab provides you with image source files for the Affirmations app launcher icon. By implementing an adaptive icon for your app, your app is able to accommodate a large range of devices by tailoring the launcher icon based on a device's display. That's why the Android platform introduced support for adaptive icons (as of API level 26). Regardless of the shape the device manufacturer chooses, the goal is for all the app icons on a single device to have a uniform shape for a consistent user experience. They may display all the app icons in a square shape, rounded square, or squircle (between a square and circle), for example. For example, different manufacturers may display app icons in a different shape than the circular icon shape shown above. Sometimes device manufacturers create a custom launcher experience that's signature to their brand. If you've used different Android devices, you may have noticed that the launcher experience may look different, depending on the device manufacturer.

Launcher refers to the experience when you hit the Home button on an Android device to view and organize your apps, add widgets and shortcuts, and more. You may also hear an app icon referred to as a launcher icon.

The app icon appears in a number of places, including the Home screen, the All Apps screen, and the Settings app. An app icon is an important way to differentiate your app by adding a distinct style and appearance.

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