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,Descriptor contains a Value.In general, Characteristic is the key to data exchange between mobile phones and BLE terminals. Characteristic has many PERMISSION-related fields, such as PERMISSION and PROPERTY, and the most common one is PROPERTY, the BLE bluetooth module used in this article has no standard Characteristic PERMISSION. Characteristic properties can be set through bitwise operators, such as READ | WRITE, READ | WRITE_NO_RESPONSE | policy,

1. The internal status of the phone is out of the question. In general, re-opening "USB debugging" can solve this problem, but sometimes you need to restart your phone or PC.2.USB Insufficient power supply. If this is the case, then you need to replace the USB cable or USB jack.3. No corresponding driver is installed. This problem is generally only available for Windows users, and installing drivers can solve the problem. If you are a Linux or Mac OS x user, you do not need to install drivers.4.

Why is the welcome page of android phones not displayed ?, Android Interface Why is the welcome page of android phones not displayed? Today, I am also very depressed. The reason is that the current mobile phones are relatively

The ultimate solution for enabling Android mobile phones to support ipv6: Android ipv6The ultimate method to enable Android mobile phones to support ipv6: July 22, March 29, 2015 | classification: Network Technology Test Date: July 15, March 29, 2015 test environment:

According to third-party research data, 77% of Android mobile phone users admit that they have experienced the impact of slow mobile phones, Baidu search "slow Android card", there are more than 4.6 million results. In the industry, Android phones have been "more use slower"

Android system transplantation and debugging -------) how to modify the number of 4G signal strength grids displayed on Android phones Before modifying the displayed signal strength, let's take a look at what is dB and what is dBm? 1. dBDB is a value that represents relative values. A pure ratio represents only the relative size relationship between two quantitie

Transferred from: http://www.androidchina.net/818.htmlAccording to third-party research data, 77% of Android phone users admit that they have experienced the impact of slow mobile phones, Baidu search "android+ card Slow", there are more than 4.6 million results. In the industry, Android

The emergence of NFC (near-field communication function) is undoubtedly an innovation in the history of mobile phones. It makes mobile phones closer to people's lives, windows Phone 8, the operating system of the new generation of mobile phones, is also integrating NFC into Windows Phone 8. According to the wpcentral message, NFC is a globally standard data trans

How can I determine whether Android phones are connected to the Internet ?, Android current If you want to develop a network application program, first consider whether to connect to the network and determine whether the network can pass through the Android mobile phone. ConnectivityManager class isAvailable () method

As we all know, almost all domestic mobile phones are using Google's Android system, even the millet miui and the flyme of this highly localized system is also based on Android system development, then if one day, Google is not happy to put the Android closed source, domestic mobile phone is not a system available?

Today a friend asked me about the Android network settings, the feeling is still very interesting, special share the following:He was in Hong Kong bought a LGP500 mobile phone, System is the Android system, but can not go online after the internet, so searched the internet a lot of information, but the settings are always saved unsuccessful.His settings are as follows: (because the number is moved, it is se

How to set up a mobile phone to receive MMS when the Android mobile phone is circulating in the Mainland market is just as unpredictable as Bach's conjecture ,{Tagshow (Event)} "> On the Forum, various MMS setting parameters are transmitted, and each setting {Tagshow (Event)} "> Only some users can use the message normally. Even some frustrated users started to think that the Android mobile phone does not s

few weeks after Adobe released the android utility kit* Full-color illustrations are used for the user interface and design implementation.* Specialized multimedia tutorials and author forums are available on the partner website.The user interface is displayed in full color to highlight the nuances. You can find all the as3 code, engineering files, and a blog on the partner website for you to learn about the news and progress in real time.Android dev

Http://www.cnblogs.com/plwang1990/archive/2011/07/04/2097757.htm Android development is very simple, whether it is debugging on a real machine or the final release to a real machine. The process is as follows: 1. Install a USB driver The mobile phone must be connected to the computer, and of course the server should be installed. The result is that you have inserted your phone. The computer displays that the driver has been identified. Driver Installa

[Android] socket applications on mobile phones, android 1. Mobile Assistant 1.1 USB Link You can read the PID and VID of the mobile phone, identify the unique device, and install the corresponding driver for the mobile phone. Socket Communication on fixed ports 1.2 WIFI connection The pc sends UDP data packets in the entire network segment of the computer. Afte

Use the LogPhoneUtil tool class to save APP running logs on Android phones, and android log tool class Recently, the company's tests have always proposed such a bug. Of course, they also blame their code for poor writing. Therefore, the test will always crash the app, and there is no log printing when they crash, when I come back to reproduce it, sometimes it's

Mobile Payment: Smart IC card for NFC communication with Android mobile phones; androidnfc This article from http://blog.csdn.net/hellogv/, reference must indicate the source! Currently, the common smart IC Card runs the JavaCard virtual machine, and the smart IC card can run the card application (Applet) compiled by the simplified Java language ). The Applet of the Smart IC card cannot be started by itself

How can I recover data from Android phones correctly? Many people think that data recovery is a tool sweep. This idea is very wrong. To do a good job, you must join your personal thoughts instead of simply repeating the inherent actions. For example, do you really want to recover data from Android phones?0 × 00 backgro

According to third-party research data, 77% of Android phone users admit that they have experienced the impact of slow mobile phones, Baidu search "android+ card Slow", there are more than 4.6 million results. In the industry, Android phones have been "more use slower" reput

Android phones get signal strength informationThis document describes how to use the Android system to get mobile phone signal strength and other information Android phones get signal strength information Background introduction R