bluetooth printer android

Discover bluetooth printer android, include the articles, news, trends, analysis and practical advice about bluetooth printer android on alibabacloud.com

Debug mobile phone and watch devices simultaneously using Bluetooth in Android Wear Development

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 Bluetooth. 1. Enable debugging settings for w

Simultaneous operation of mobile phones and watch devices using Bluetooth debugging in Android Wear development

During the development of the Android Wear application, both the watch and the phone need to be operated simultaneously, and the phone and watch can be operated simultaneously via Bluetooth.1 turn on the watch and phone's debug settingsTurn on USB debugging for your phoneOpen the developer option for the Watch settings, check debug over Bluetooth if it is the fir

Handling problems with receiving packages when you send files to Android classic Bluetooth

Requirement: Android Classic Bluetooth send file, send side support pause operation (Pervert!!!!!) ), also want to continue the breakpoint (more abnormal!!!) )Approximate implementation:Client sends a fixed length package, the first packet header (fixed length) contains this file identifier (name, total file flow length, etc.), and to handle the socket bufferOverflow problem to prevent drops from appearing.

"Video" 0 Fundamentals of Android development: Bluetooth chat Room app (iii)

0 Fundamentals Android Development: Bluetooth chat room App Third speaking3.1 ImageView, ImageButton control specific explanation3.2 GridView Control specific explanation3.3 Simpleadapter Adapter Specific explanation3.4 Event Listener: Onitemclicklistener3.5 entering and displaying emoji imagesWatch Online:http://www.3g-edu.org/news/video023.htmvideo Download:HTTP://PAN.BAIDU.COM/S/1KTMINQF "Video" 0 Fundam

"Video" 0 Fundamentals Android Development: Bluetooth chat Room app (i)

0 Fundamentals of Android development: Bluetooth chat room app first talk1. Android Introduction and Environment building: the most efficient Android learning in history1.1 Google's size strategy1.2 Internet of Things and cloud computing1.3 Intelligent XX Equipment1.4 Android

Android Bluetooth Low energy (BLE) writecharacteristic delay callback

;}};Privatevoidwritecharacteristic(){.....mgattcharacsetintensity.SetValue(Data);mgattcharacsetintensity.Setwritetype(bluetoothgattcharacteristic.Write_type_default);Mbluetoothgatt.writecharacteristic(mgattcharacsetintensity);return;} Edit:i has a comparison with iPhone (a ble transfer data app from AppStore), the BLE transfer data are very quick (less t Han 0.5 sec), so impressive. How can we work around to speed up the Android BLE Transfer progress?

Android Scenario Mode Development (i)-control gps/wifi/Bluetooth/flight mode

For the control of GPs on Android, the official provides the relevant APISettings.Secure.setLocationProviderEnabled (Getcontentresolver (), Locationmanager.gps_provider, true);But when we call the Setlocationproviderenabled method, the system throws an exception prompt that requires Android.permission.WRITE_SECURE_SETTINGS permission, even if The same is true for requests that add this permission in Mainfest. Setlocationproviderenabled This method req

Android O Bluetooth device default name change

The Android system will first read the value of the btm_def_local_name, and if it is empty, use "Ro.product.model" as the Bluetooth device name.system/bt/btif/src/btif_dm.cc#define PROPERTY_PRODUCT_MODEL "ro.product.model"......static char* btif_get_default_local_name() { if (btif_default_local_name[0] == '\0') { int max_len = sizeof(btif_default_local_name) - 1; if (BTM_DEF_LOCAL_NAME[0] != '\0') {

"Turn" Android low-Power Bluetooth application development gets the service UUID

characteristic values for the 1800 and 1801 services of GATT are as follows:08-28 09:05:48.492:d/bluetoothgatt (4251): Ongetcharacteristic ()-Device=08:7c:be:21:d1:24 UUID= 00002a00-0000-1000-8000-00805f9b34fb08-28 09:05:48.494:d/bluetoothgatt (4251): Ongetcharacteristic ()-Device=08:7c:be:21:d1:24 UUID= 00002a01-0000-1000-8000-00805f9b34fb08-28 09:05:48.495:d/bluetoothgatt (4251): Ongetcharacteristic ()-Device=08:7c:be:21:d1:24 UUID= 00002a02-0000-1000-8000-00805f9b34fb08-28 09:05:48.495:d/blu

Ubuntu share network to Android phone via Bluetooth

I am not sure if there are any good the using native Bluetooth app that ships with Ubuntu but I am going to use a pretty ol D app called Blueman.Install it usingsudo apt-get install BluemanNow from untity search for Blueman and you'll get Bluetooth manager Click on this and you'll get window and Blueman se Rvice would be enabled.Now you can see both Bluetooth ico

Solution to conflicts between Wi-Fi and Bluetooth devices on Android

Using Bluetooth microphone recording on Android and uploading via wifi, we find that there are frequent conflicts between Bluetooth and WiFi. This means that WiFi will be disconnected after Bluetooth is used. I found that WiFi and Bluetooth both work in the 2.4g band, which

Android 13th exploring Bluetooth hiding APIs

The last time I explained the basic usage of Android Bluetooth, I went into depth and discussed the hidden APIs of Bluetooth. Anyone who has used Android settings (Setting) knows that pairing and unpairing can be established after Bluetooth search, but these two functions ar

Port the open-source project obexftp to the Android platform to implement the Bluetooth FTP Function

On the Android platform, Bluetooth file transmission only implements one OPP function. In the past, I implemented the Bluetooth FTP function in Android development, mainly by porting open-source projects and modifying several bugs, since I have no longer worked for the original company for more than a year, I am planni

Android Low power Bluetooth-mobile phone as peripheral device

OverviewSince Android 5.0, Google has added support for Android phones as a low-power Bluetooth peripheral, the service side. Enables mobile phones to communicate with each other through low-power Bluetooth.Development stepsIn fact, this function only needs to be divided into setting up the broadcast and setting up a server two parts to completeSetting up the ser

"Go" Android Printer-no device driver SDK, self-USB printing function

Original: http://blog.csdn.net/johnwcheung/article/details/71576833Android under the device debugging, if the device provides a driver, according to the manufacturer's driver debugging can be, the device does not provide the driver, only in accordance with the common method of debugging.For Smart POS, cash registers, and other printing devices, how can the print function be implemented if the vendor does not provide a printing-related SDK? In fact, we can be based on the USB communication mechan

How to modify the Android Bluetooth file receiving path

How to modify the Android Bluetooth file receiving path Modify file: Packages/apps/Bluetooth/src/com/android/bluetooth/opp/export thoppreceivefileinfo. java Related code snippets: public static BluetoothOppReceiveFileInfo generateFileInfo(Context context, int id) {

[Video] basic learning-free Android development: Bluetooth chat room APP (4), androidapp

[Video] basic learning-free Android development: Bluetooth chat room APP (4), androidapp Zero basic learning Android development: Bluetooth chat room APP Lecture 4 4.1 Use of the ListView Control4.2 BaseAdapter details4.3 ListView distribution and rolling events4.4 ListView event listener: OnItemClickedListener

Android development-Bluetooth operation

First, because there is no Bluetooth device on the simulator, we need an Android system containing a bluetooth device. Second, to operate the bluetooth device on the device, we need to declare two permissions in AndroidManifest:

Android Bluetooth development, reported Bluetoothadapter:can ' t create handler inside thread that have not called Looper.prepare

scanningGetactivity (). Runonuithread (NewRunnable () {//ui The control of a thread changes state, this method needs to be called, or it may not be valid @Override Public void Run() {T.showshort (Getactivity (), getString (r.string.sign_in_success)); Appsettings.setprefstring (Getactivity (), Config.issignin, mcurrentdate); Setbuttonstate (); Dialogutils.progone ();//Mcontrol.clo

----about Android Bluetooth search to device icon display and device filtering

According to: https://www.douban.com/note/637446089/Http://bbs.16rd.com/blog-23795-3446.htmlThe following excerpt from the original:(Android host) when each device is searched, the (device) will provide COD (class of devices) to each other, the search party can determine the device type according to Cod.When Android searches for device, it will (get) COD update to Settings, save to Cachedbluetoothdevice.mbt

Total Pages: 10 1 .... 6 7 8 9 10 Go to: Go

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.