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BluetoothThe Android platform supports the Bluetooth network protocol stack, which allows the device to wirelessly exchange data with other Bluetooth devices. The application framework provides access to Bluetooth via the Android
Android bluetooth introduction (iv): a2dp connect process analysis, androida2dp
Key words: Bluetooth blueZ A2DP, SINK, sink_connect, sink_disconnect, sink_suspend, sink_resume,Sink_is_connected, sink_get_properties, AUDIO, AUDIOVersion: Based on bluez, Which is earlier than AndroidKernel:Linux/linux3.08System:Android/android4.1.3.4Author: xubin341719 (You are wel
I wanted to write this article long ago and I have forgotten it. Before the beginning of the development of Android to engage in Bluetooth development, good head big! Studied for half a month to get it done. Now self-organized Bluetooth development framework, this framework is relatively simple, but hope to help Bluetooth
is returned immediately after the call. This method searches for other Bluetooth devices, which lasts for 12 seconds. After the method is called, the search process is actually performed in a system service, so you can call the Canceldiscovery () method to stop the search (which can be invoked when the discovery request is not executed).
When the discovery is requested, the system starts searching for the Blueto
) { struct hci_dev *hdev; int ret = 0; hdev = hci_dev_get(dev); if (!hdev) return -ENODEV; ............................. if (hdev->open(hdev)) { ret = -EIO; goto done; } .....................................}
Here we get an hci_dev device and then call its open fu
= Bluetoothadapter.getdefaultadapter () that the Android 2.0 begins to support; Adapter is not equal to NULL, indicating that the machine has a Bluetooth device if (adapter!= null) {System. OUT.PRINTLN ("This machine has Bluetooth equipment!")
"); If the Bluetooth
device collection that gets the return value through Bluetoothadapter.getbondeddevices () to get the device.Method1) Createrfcommsockettoservicerecord (uuiduuid) creates and returns a bluetoothsocket based on the UUIDThis approach is also the purpose of our acquisition of Bluetoothdevice-creating Bluetoothsocket2) getaddress () with Bluetoothadapter3) GetName () with Bluetoothadapter3.BluetoothserversocketDescribeA
devices require running standard Bluetooth and Bluetooth low-power tasks, the dual-mode chip is not optimized for ULP operations as high as a single-mode chip.Single-mode chips can be used for a very long time (months or even years) with one-button batteries (e.g. 3V, 220mAh CR2032).In contrast, standard Bluetooth technology (and
This article is a summary of the implementation of the Bluetooth anti-loss device project, the principle of Bluetooth anti-loss device, the implementation of Bluetooth BLE interface with the Android client programming. Here is the
With nearly two years of wearable products gradually into people's lives, Bluetooth development has become an important module of Android development, let's say a Bluetooth API.1. There are two main APIs for Bluetooth development:Buletoothadapter: The local Bluetooth adapter
access the Internet and other dial-up services. The most common case is to dial up on a mobile phone and connect to the internet wirelessly from a laptop.
Personal LAN configuration file (PAN)
Pan describes how two or more Bluetooth devices form an instant network and how to use the same mechanism to connect to a remote network through a network access point. Configuration File roles include network access points, group instant networks, and LAN user
Android: Bluetooth 4.0-BLE-Summary = 1.0, android4.0-ble-Requirement: BLE connection and communication (currently-enable device-search device-connect device) resources: some demos and official documents from the network
:
1-BLE is an API provided by Android4.3 or later-some
In the modern smart phone field, the Bluetooth function has become very common, so how to develop Bluetooth in the Android Application Development Process, today we will introduce the use of Android Bluetooth Stack bluez.
Many developers did not find any reference for the
We mentioned in the previous two articles about the Android platform Bluetooth pairing, discovery, enabling and other operations, this article began to create a socket with Bluetooth communication through the Bluetoothsocket class. Starting from Android 2.0 to support this feature,
Extracted from the Internet, from http://www.eoeandroid.com/thread-246-1-1.html
Commonly used intent for Bluetooth settings. The following is a function for registering a Bluetooth intent in thinkthsettings. Java:
Private Boolean initgatethapi (){
Mintentfilter =
// Intent returned when connected to the remote Bluetooth dev
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