Android sensor programming by example take your Android applications to the next level of interactivity by exploring the wide variety of Android sensors
A basic knowledge of Android development is required What You Will Learn Learn about sensor fundamentals, different types of sensors, and the sensor co-ordinate system Understand the various classes, callbacks, and APIs of the Android Sensor framework Check all the available sensors on an Android de...
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| Format: | eBook |
| Language: | English |
| Published: |
Birmingham, UK
Packt Publishing
2016
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| Series: | Community experience distilled
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| Subjects: | |
| Online Access: | |
| Collection: | O'Reilly - Collection details see MPG.ReNa |
Table of Contents:
- 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?
- 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
- 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