Una selección de muestras de código y plantillas que puedes usar para acelerar el desarrollo de tu app. Explora ejemplos a fin de aprender a compilar diferentes componentes para tus aplicaciones.

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Tema

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

  • ContentResolver
  • DocumentsContract
  • PdfRenderer
  • Almacenamiento de Android
  • Almacenamiento
  • Kotlin
Intermedio

A proof of concept file manager utilizing the ACTION_OPEN_DOCUMENT_TREE intent introduced with Android 5.0, API level 21.

  • ContentResolver
  • DocumentsContract
  • Almacenamiento de Android
  • Almacenamiento
  • Kotlin
Intermedio

This sample shows how to use scene transitions from one Activity to another in Lollipop. Uses a combination of changeImageTransform and changeBounds to transition a grid of images to an Activity with a large image and detail text.

  • Transition
  • ActivityOptions
  • Vistas de la IU de Android
  • Java
Intermedio
  • app
  • localstorage
  • Kotlin
Intermedio

These samples showcase different architectural approaches to developing Android apps. In its different branches you'll find the same app (a TODO app) implemented with small differences. In this branch you'll find: User Interface built with Jetpack

  • Capa de la IU de la arquitectura de Android
  • Arquitectura de Android
  • Navegación en Jetpack Compose
  • Producción del estado de la IU de Android
  • Pruebas de Android
  • Arquitectura y estado de Jetpack Compose
  • Eventos de la IU de la arquitectura de Android
  • Contenedores de estado de la IU de Android
  • Capa de datos de la arquitectura de Android
  • Pruebas de Jetpack Compose
  • Kotlin
Intermedio

Features This sample showcases the behavior of a bottom navigation view following the Principles of Navigation. Fixed start destination Navigation state should be represented via a stack of destinations The Up button never exits your app Up and Back

  • Arquitectura
  • Arquitectura de Android
  • Kotlin
Intermedio

This sample showcases the following Architecture Components: Room ViewModels LiveData

  • Arquitectura
  • Arquitectura de Android
  • Java
Avanzado

This sample showcases the following Architecture Components: Paging Room ViewModels LiveData

  • Arquitectura
  • Arquitectura de Android
  • Java
Avanzado

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 Activities.

  • View
  • AutoFillService
  • AutoFillManager
  • Vistas de la IU de Android
  • Java
Avanzado

This sample detects gestures on a view and logs them. In order to try this sample out, try dragging or tapping the text.

  • GestureDetector
  • MotionEvent
  • Vistas de la IU de Android
  • Java
Intermedio

This sample shows how to use the MediaCoder to decode a video, use a TimeAnimator to sync the rendering commands with the system display frame rendering and finally render it to a TextureView.

  • MediaCodec
  • MediaExtractor
  • TimeAnimator
  • Multimedia
  • Cámara y contenido multimedia de Android
  • Java
Avanzado

This sample demonstrates the use of the MediaRouter API to display content on a secondary display. Use the "Media Route Action Item" in the ActionBar to select an output device. If your device supports Miracast wireless displays, you may need to

  • Cámara y contenido multimedia de Android
  • Multimedia
  • Java

Sample demonstrates the use of MotionEvent properties to keep track of individual touches across multiple touch events.

  • MotionEvent
  • Vistas de la IU de Android
  • Java
Intermedio

This sample demonstrates using RenderScript to perform basic image manipulation. Specifically, it allows users to dynamically adjust the saturation for an image using a slider. A custom RenderScript kernel performs the saturation adjustment, running

  • RenderScript
  • Allocation
  • Juegos y NDK de Android
  • Java
Experto

A basic app showing how to use the Transition framework introduced in KitKat. The app shows radioboxes to select between different Scenes, and uses various ways to transition between them.

  • TransitionManager
  • Transition
  • Scene
  • Vistas de la IU de Android
  • Java
Avanzado

Sample demonstrating how to set up SensorEventListeners for step detectors and step counters.

  • Sensor
  • SensorEvent
  • SensorEventListener
  • SensorManager
  • Sensores
  • Java
Avanzado

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

  • FingerprintManager
  • AuthenticationCallback
  • CryptoObject
  • KeyGenParameterSpec
  • KeyStore
  • Cipher
  • KeyGenerator
  • Seguridad
  • Seguridad y privacidad de Android
  • Kotlin
Intermedio

Sample for the Androidx Biometrics Library

  • BiometricManager
  • BiometricPrompt
  • Seguridad
  • Seguridad y privacidad de Android
  • Kotlin
Intermedio

Sample demonstrating how to advertise small amounts of data using the Bluetooth Low Energy API. Also demonstrates how to scan for those Advertisements. (requires 2 devices to see full operation)

  • BluetoothLeAdvertiser
  • BluetoothLeScanner
  • Conectividad de Android
  • Conectividad
  • Java
Avanzado

This sample demonstrates using the Camera2 API to capture a JPEG, DEPTH or RAW frame. Check the source code to see a simple example of how to display the camera preview and capture a still image using the default configuration with the selected pixel

  • DngCreator
  • Cámara y contenido multimedia de Android
  • Cámara
  • Kotlin
Intermedio

This sample captures high-speed video via the Camera2 API including displaying a camera preview and capturing a high-speed (slow motion) video using repeating burst capture requests.

  • camera2
  • CameraConstrainedHighSpeedCaptureSession
  • Cámara y contenido multimedia de Android
  • Cámara
  • Kotlin
Intermedio

This sample captures video record via the Camera2 API including displaying a camera preview and capturing a high-speed (slow motion) video using repeating capture requests.

  • camera2
  • MediaRecorder
  • Cámara y contenido multimedia de Android
  • Cámara
  • Kotlin
Intermedio

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

  • Vistas de la IU de Android
  • Java

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

  • Vistas de la IU de Android
  • Kotlin
Destacado
Now in Android es una app para Android totalmente funcional que se compiló por completo con Kotlin y Jetpack Compose. Esta herramienta modela las prácticas recomendadas de diseño y desarrollo de Android, y está diseñada como una referencia útil para los desarrolladores.