android scan bluetooth devices

1. Modify the visibility of the local Bluetooth device 2. Scan the available Bluetooth devices around Eg: I. configuration file adroidmanifest. xml: Ii. layout file: Main. xml: 3. mainactivity: Import android. app. activity; import

void OnClick (View v) { //Get Bluetoothadapter object, this API is supported by Android 2.0 Bluetoothadapter adapter = Bluetoothadapter.getdefaultadapter (); //adapter is not equal to NULL, indicating that this machine has a Bluetooth device if (adapter! = null) { System.out.println ("This machine has Bluetooth device!"); //If the

1. What is Bluetooth )? 1.1 buletooth is the most widely used wireless communication protocol. 1.2 mainly for short-range device communication (10 m) 1.3 is usually used to connect headphones, mouse, and mobile communication devices. 2. Bluetooth-related APIs 2.1 define thadapter: Represents the local Bluetooth ad

Android devices can be used in addition to the Internet through WiFi hotspots, but also through the Bluetooth share of the Internet, the latter feature few people to use, but for a device without WiFi but the situation of Bluetooth. First, set wt19i, System settings "wireless connection" network sharing open

How does android modify the maximum number of Bluetooth search devices? In this file, modify the following parameters of the function: Bool btmtk_gap_discovery (native_data_t * nat, btbm_discovery_type mode){...Req_p-> inquiry_number = 25; // the number can be modify less than 25 Android

1. bluetooth pairing, connecting the deviceTurn on system settings, locate Bluetooth, open the sweep gun, and pair the scanner device. Enter a fixed pairing code, usually written in the Manual of the Scanner gun. After pairing is complete, the display device is connected. Just OK.Configure permissions in 2.AndroidManifestAdd Bluetooth permissions to the Androidma

); } }; } mscanner.startscan (Mscancallback); Scaning=true; } } Else { if(mlescancallback==NULL) {Mlescancallback=NewBluetoothadapter.lescancallback () {@Override Public voidOnlescan (Bluetoothdevice device,intRssibyte[] scanrecord) { if(callback!=NULL) {Callback.onscan (Device,rssi,scanrecord); } } }; } scaning=Adapter.startle

Debug mobile phone and watch devices simultaneously using Bluetooth in Android Wear Development During the development of Android Wear applications, you must simultaneously operate watches and mobile phones. You can simultaneously operate mobile phones and watches through Bluetoot