bluetooth printer android

The first article of the new year. Recently, I am working on a small Bluetooth Lock project. There is always a problem when the mobile phone is connected to the single-chip microcomputer, and the connection to the mobile phone is also unstable. I have read many bluetooth documents, I made a summary about the Bluetooth connection.

Always wanted to write a technical document, but due to the limited self-inductance ability is not able to pen, recently made a on the Android platform to achieve and C language communication to operate the Bluetooth module project, the middle encountered a lot of problems, but also on the internet a lot of information, in the completion of the main functions, there are some people on the internet asked me

Analysis of Android Bluetooth Online DemoThere are many ways to achieve dual-player combat for mobile games, such as online combat (a server is required to forward client requests and various large mobile games, A typical example is the dual game of Fruit Cutting) Online Bluetooth combat (via Bluetooth, a typical examp

Write in front:There are many ways to implement a two-player game, such as: Online PvP (requires a server responsible for forwarding client requests, various large-scale hand-tour practices) Split screen battle (mobile phone up and down screen, the typical example is to cut the fruit of the two-man battle) Bluetooth online battle (via Bluetooth online, typical example is the Three Kingdoms

Generally, Android phones use the client role to actively connect to the SPP protocol device (connect to the digital sensor of the bluetooth module). The connection process is as follows: 1. Use registerReceiver to register BroadcastReceiver to obtain Bluetooth status, search for devices, and other messages;2. Use BlueAdatper for search;3. Obtain the

Package Org. example. itester; import android. app. activity; import android. bluetooth. export thadapter; import android. content. context; import android. content. intent; import android.net. wiFi. wifiinfo; import android.net. wiFi. wifimanager; import

Module: marvel 8787Kernel: 2.6.35 My module is shared by WiFi and Bluetooth. There is nothing to say about the Bluetooth porting part. Just load the Ko file. For use, there is a problem in power management. Because the power supply of my Wi-Fi module is controlled, that is During sleep, the module will be powered off, which will lead to a Bluetooth driver, which

Reprint please specify from: http://blog.csdn.net/icyfox_bupt/article/details/25487125Recently in the laboratory to do projects, using the Android Bluetooth development, there are a lot of pits. So I still hope to remember these things to share with you, do not go my way. First of all, I am developing mobile phone with Bluetooth smart device (

Ubuntu16.04 connects to the android mobile phone Bluetooth sharing network hotspot, ubuntu16.04android Recently I want to use the android mobile phone Bluetooth to share the wifi network for ubuntu16.04. I checked a lot of information and found that there are very few useful information on the Internet. After practice,

Get ready1. Bluetooth serial port based on SPP protocol (Serial Port profile), can create serial port between Bluetooth devices for data transmission2.SPP of UUID:00001101-0000-1000-8000-00805F9B34FB3.Android mobile phones Generally actively connect the SPP protocol device to the client's roleConnection process1. Detecting Bl