A sample that demonstrates to use registered fingerprints to authenticate the user in your app

• FingerprintManager
• AuthenticationCallback
• CryptoObject
• KeyGenParameterSpec
• KeyStore
• Cipher
• KeyGenerator

• Segurança
• Segurança e privacidade do Android
• Kotlin

Sample for the Androidx Biometrics Library

• BiometricManager
• BiometricPrompt

• Segurança
• Segurança e privacidade do Android
• Kotlin

This sample demonstrates how to use CardView introduced in the support library in Android 5.0.

• Visualizações da UI do Android
• Kotlin

This sample demonstrates how to use the ContentProvider with paging support introduced in Android O. The ContentProvider now accepts additional arguments for the offset and the limit in the query method to support paging instead of fetching all the

• ContentProvider
• DocumentsProvider

• Armazenamento do Android
• Storage
• Java

This sample demonstrates how to use the Downloadable Fonts feature introduced in Android O. Downloadable Fonts is a feature that allows apps to request a certain font from a provider instead of bundling it or downloading it themselves. This means,

• FontRequest
• FontRequest
• FontsContractCompat
• FontsContractCompat

• Visualizações da UI do Android
• Interface do usuário
• Kotlin

⚠️⚠️⚠️ Caution: the androidx.emoji:emoji library is deprecated in favor of androidx.emoji2:emoji2, which provides integration into androidx.appcompat. To support modern emoji and simplify backward-compatibility with lower versions of Android, it's

• EmojiCompat
• BundledEmojiCompatConfig
• FontRequestEmojiCompatConfig
• FontRequest
• EmojiAppCompatTextView
• EmojiAppCompatEditText
• EmojiAppCompatButton
• EmojiTextViewHelper

• Visualizações da UI do Android
• Interface do usuário
• Kotlin

This sample demonstrates the use of the multi-window API available in Android N. It shows the use of new Intent flags and AndroidManifest properties to define the multi-window behavior. Switch the sample app into multi-window mode to see how it

• Intent
• ActivityOptions

• Visualizações da UI do Android
• Java

This sample demonstrates how to display PDF document on screen using the PdfRenderer introduced in Android 5.0 Lollipop.

• PdfRenderer

• Gráficos
• Ferramentas de desenho do Android
• Kotlin

This sample demonstrates basic usage of Picture-in-Picture mode for handheld devices. The sample plays a video. The video keeps on playing when the app is turned in to Picture-in-Picture mode. On Picture-in-Picture screen, the app shows an action

• PictureInPictureParams
• RemoteAction
• PendingIntent
• MediaSessionCompat

• Câmera e mídia Android
• Mídia
• Kotlin

Demonstrates connecting to the Car API and listening for gear change events. Works on Android P (API 28) and above. Introduction This app allows a user to see the current gear on the main infotainment screen (IVI). The app connects to the Car API and

• car
• Car
• CarPropertyManager

• Dispositivos Android
• Kotlin

If you are new to unit testing on Android, try this sample first. This project uses the Gradle build system and the Android gradle plugin support for unit testing. You can either benefit from IDEs integration such as Android studio or run the tests

• Arquitetura do Android
• Kotlin

This Android sample app demonstrates how to use state-of-the-art generative AI models (like Gemini) to build AI-powered features and applications. To try out this sample app, you need to use latest stable version of Android Studio. However, if you

• Composable

• Layouts do Jetpack Compose
• Kotlin

Demonstrates retrieving location updates in the background. Introduction This app allows a user to receive location updates in the background via a PendingIntent. If you are just interested in seeing the code that subscribes to a location request,

• FusedLocationProviderClient
• LocationRequest
• LocationServices

• Sensores
• Kotlin

Learn how this app was designed and built in the design case study, architecture learning journey and modularization learning journey. This is the repository for the Now in Android app. It is a work in progress 🚧. Now in Android is a fully functional

• Arquitetura e estados do Jetpack Compose
• Camada de domínios da arquitetura do Android
• Acessibilidade do Jetpack Compose
• Camada de dados da arquitetura do Android
• Camada de interface da arquitetura do Android
• Animações do Jetpack Compose
• Testes do Jetpack Compose
• Produção de estados na interface do Android
• Arquitetura do Android
• Navegação no Jetpack Compose
• Detentores de estado na interface do Android
• Testes do Android
• Sistemas de design do Jetpack Compose
• Kotlin

This sample shows how to style text on Android using spans, in Kotlin, using Android KTX.

• SpannableStringBuilder
• Spanned
• SpannedString
• StyleSpan
• RelativeSizeSpan
• MetricAffectingSpan

• Visualizações da UI do Android
• Interface do usuário
• Java

Android AutofillFramework Sample (Kotlin) This sample demonstrates the use of the Autofill Framework. It includes implementations of client Activities with views that should be autofilled, and a Service that can provide autofill data to client

• View
• AutoFillService
• AutoFillManager

• Visualizações da UI do Android
• Kotlin