Android sensor programming by example take your Android applications to the next level of interactivity by exploring the wide variety of Android sensors
Take your Android applications to the next level of interactivity by exploring the wide variety of Android sensors About This Book Get a thorough understanding of the fundamentals and framework of Android sensors. Acquire knowledge of advance sensor programming, and learn how to connect and use sens...
| Otros Autores: | |
|---|---|
| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
Birmingham :
Packt Publishing
2016.
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| Edición: | 1st edition |
| Colección: | Community experience distilled.
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| Materias: | |
| Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009630299206719 |
Tabla de Contenidos:
- Cover
- Copyright
- Credits
- About the Author
- About the Reviewers
- www.PacktPub.com
- Table of Contents
- Preface
- Chapter 1: Sensor Fundamentals
- What are sensors?
- Types of sensors
- Types of sensor values
- Motion, position, and environmental sensors
- Motion sensors
- Position sensors
- Environmental sensors
- Sensors' coordinate system
- Android Sensor Stack
- Components of the sensor framework
- SensorManager
- SensorEventListener
- Sensor
- SensorEvent
- Sensor's sampling period, power, and battery consumption
- The reporting modes of sensors
- Dealing with specific sensor configuration
- Checking the availability of the sensor at runtime
- Declaring the sensor as mandatory feature
- Sensor availability based on the Android API level
- Best practice for accessing sensors
- Summary
- Chapter 2: Playing with Sensors
- Understanding the sensor framework callbacks
- Seeing the big picture
- Time for action - using sensors in the foreground activity
- What just happened?
- Time for action - listing the available sensors on a device
- What just happened?
- Time for action - knowing individual sensors' capabilities
- What just happened?
- Time for action - getting the sensor values and updating the user interface
- What just happened?
- Time for action - processing the sensor values in the background service
- The phone handling algorithm
- What just happened?
- Summary
- Chapter 3: The Environmental Sensors - The Weather Utility App
- The weather utility app's requirements
- Understanding environmental sensors
- Time for action - using the temperature sensor
- What just happened?
- Getting air pressure from the phone's pressure sensor
- Time for action - calculating the altitude using the pressure sensor
- What just happened?
- Getting relative humidity from the phone's humidity sensor.
- Time for action - calculating the dew point and absolute humidity
- What just happened?
- Time for action - comparing the temperature, humidity, and pressure values from web services to phone sensors
- Third-party web service - open weather map
- Using Google Play Services Location API and AsyncTask
- What just happened?
- Summary
- Chapter 4: The Light and Proximity Sensors
- Understanding the light and proximity sensors
- The automatic torch light and screen brightness app requirements
- Time for action - turning the torch light on and off using the proximity sensor
- What just happened?
- Time for action - adjusting the screen brightness using the light sensor
- What just happened?
- Wake locks, wakeup sensors, and the FIFO queue
- Wakeup and non-wakeup sensors
- The sensor's hardware FIFO queue
- Summary
- Chapter 5: The Motion, Position, and Fingerprint Sensors
- Understanding motion-based sensors
- The accelerometer sensor
- The gyroscope sensor
- The gravity sensor
- The linear acceleration sensor
- The significant motion sensor
- Understanding position-based sensors
- The magnetometer sensor
- The orientation sensor
- The fingerprint sensor
- Time for action - shake detection using the accelerometer sensor
- Time for action - the compass using orientation sensor and orientation APIs
- Time for action - using the fingerprint sensor
- What just happened?
- Summary
- Chapter 6: The Step Counter and Detector Sensors - The Pedometer App
- The pedometer app's requirements
- Understanding the step counter and step detector sensors
- The step counter sensor
- The step detector sensor
- Time for action - using the step counter sensor in activity
- Time for action - maintaining step history with the step detector sensor
- What just happened?.
- Understanding the walking, jogging, and running signatures using the accelerometer sensor's data
- The walking signature using the accelerometer sensor
- The jogging or fast walking signature using the accelerometer sensor
- The running signature using the accelerometer sensor
- The type of step detection algorithm
- Making it battery- and CPU-efficient using sensor fusion
- Scope for improvement
- Time for action - type of step (walking, jogging, and running) detection using the accelerometer sensor
- What just happened?
- Summary
- Chapter 7: The Google Fit Platform and APIs - The Fitness Tracker App
- The Google Fit platform
- Google Fitness Store
- REST APIs
- Android Fitness APIs
- Sensors API
- Recording API
- History API
- Sessions API
- Bluetooth Low Energy API
- Config API
- Platform basics
- Data sources
- Data types
- Data point
- Data set
- Authorization and permission scopes
- Registration with the Google developer console
- Authorization from a user in the application
- Fitness scopes
- Installing and running time permissions
- Fitness tracker app using fitness APIs
- Fitness tracker application requirements and architecture
- Time for action - working with live fitness data using the Sensors API
- What just happened?
- Time for action - recording fitness data in background using Recording API
- What just happened?
- Time for action - getting history fitness data using the History API
- What just happened?
- Asynchronous versus synchronous results callback
- Summary
- Index.
