Through the usage of Bluetooth APIs, an Android application can achieve the following:
- Send query to the local Bluetooth adapter to find out paired Bluetooth devices
- Scan for other Bluetooth devices
- Create RFCOMM channels
- Using service discovery, link to other devices
- Transfer data between the various devices
- Managing of multiple connections for Android mobile applications
Android Bluetooth APIs can be used for Android mobile applications to achieve four important tasks required to communicate through Bluetooth. These four tasks include setting up Bluetooth, searching for devices that are paired or available in the local area, linking various devices and finally transferring the data from one device to another.
Android development companies are aware that all of the Bluetooth APIs can be found in the android.bluetooth package. There are a certain number of classes and interfaces that are required to build Bluetooth connections and they include:
- BluetoothAdapter: This is the entry point for all Bluetooth interaction and through this, one can find out about other Bluetooth devices, find the paired device as well as instantiate a BluetoothDevice through the usage of a known MAC address. It is also possible to establish a BluetoothServerSocket in order to hear communications from other devices.
- BluetoothDevice: This symbolizes a remote Bluetooth device and this is basically used to send a request to connect with a remote device through BluetoothSocket. It is also possible to query information about a specific device such as name, address, class etc.
- BluetoothSocket: This symbolizes the Bluetooth socket and it allows one particular application to exchange data with another Bluetooth device.
- BluetoothServer Socket: This is an open server socket that is meant to look out for incoming requests and therefore to link to Android devices, it is important that one device opens a server socket with this class.
- BluetoothClass: This helps in defining the characteristics and capabilities of a Bluetooth device and this is ideally a read-only set of properties that help describe the various device classes.
- BluetoothProfile: This is an interface that displays a Bluetooth profile. Ideally a Bluetooth profile is a wireless interface that provides specifications for Bluetooth-based communication.
- BluetoothHeadset: As the name suggests, Android development companies are aware that it provides support for Bluetooth headsets and can be used with mobile phones to access Android mobile applications.
- BluetoothA2dp: This is meant to describe high quality audio that can be streamed from one device to another through a Bluetooth connection.
These are the various classes and interfaces that a Android development company can use to enable Bluetooth for their Android mobile applications.
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