Original address: http://blog.csdn.net/sinat_35845281/article/details/52674946I've been trying to get a novelty.Recently has been learning to share webcam data through two Android phones via WiFi. It took a long time to get some bosses. Here are a few steps:1. For mobile phone camera development, customize the Surfaceview to define your own camera class. The main display is the screen of the mobile phone ca
Recently participated in an interview with a startup company, they did an application, that is, users open their app to provide free internet access, and then the interview process, the Buddy said, you on the WiFi protocol you understand? Need to use the lower level of things, oh, I'm going to go, just such a network function needs very low ground? Make a very advanced appearance, really the bottom is related to modify the
Are you still using a USB cable to connect your mobile phone to access sdcard ?, You are out. This article will tell you that if you connect your laptop to your mobile phone through wifi and quickly access sdcard, you certainly do not need a wireless router.
Prerequisites
The laptop system is windows 7, and the wireless network card is normal and the driver is normal.
Android phones support
according to the signal strength. Set the configuration file Wifi_sel.xml as follows:Note that this is all an absolute value, because at imageview.setimagelevel level, the level must be an absolute value, or the program will report a null pointer.3. Register listening, and Android battery listening display similar WiFi related intentfilter wifiintentfilter; W
"Android Development-smart home series" (ii): Configure the WiFi module with your phonehttp://blog.csdn.net/u010924834/article/details/49496729"IP Address"
Broadcast address: x.x.x.255 (for example: 255.255.255.255)WiFi module Default ip:10.10.100.254After access to the router, the IP is dynamically assigned by the router.
"Implementation Process de
Android mobile phones and computers transmit data based on WiFi. Technically speaking, there are two main solutions:
One is implemented through the FTP protocol, and the Android mobile phone is used as the FTP server during data transmission;
One is implemented through HTTP. Android phones are used as HTTP servers duri
The RE file manager must be installed we need to install a re file manager on the Android phone before we can view the WiFi password.
1. Mobile phone installation re File manager
2. Then we open the phone in the "RE File Manager" below
3. Find/data/misc/wifi in the RE manager as shown in the following figure
4. Then we found wpa_supplicant.conf at
Android phone can be WiFi internet, this is good. But when there is no WiFi, how to go on Ah, 3G---> Limited traffic, watching video is not cost-effective! Here I summarize several methods for your reference.Method One: USB cable, mobile phone wired internet1, connect the phone via USB cable to the computer, check the "settings, wireless and network binding and p
1. Frequent usage, call Android Api:wifimanagerWifimanager WiFi = (wifimanager) getsystemservice (Context.wifi_service);Wifiinfo info = Wifi.getconnectioninfo ();return info.getmacaddress ();This method needs to ensure that WiFi has been opened before this boot, otherwise it will return null. So you need to start the background to open
Http://stuffandtech.blogspot.jp/2012/03/android-quick-tip-adb-over-wifi.htmlMar26android Quick tip-adb over Wifisomeone I had the pleasure of working with recently showed me something extremely co OL for Android Development. It's simply that it's possible to use the ADB (Android Debug Bridge) over TCP/IP or more practically speaking over
Ubuntu Network Management provides convenience for creating Wifi hotspots. However, because it uses an ad-hoc network, the Wifi created by Ubuntu cannot be used by the Android system. This article is to solve this problem 1. InstallAP-hostpotineffectusudoadd-apt-repositoryppa: nilarimogard/webupd8sudoapt-getupdatesudoapt-getins
Ubuntu Network Management provides
In the development of the project because of the use of WiFi and GPRS network switching, so the study of the code to open WiFi and GPRS work.The following lines of code need to be added to the Androidmanifest.xml file, whether you need to set the appropriate permissions for switching WiFi or switching the GPRS network.1. Switch
Android provides the android.net. wifi package for us to operate on WiFi. First, we will introduce several categories: WifiManager: provides most of the APIs for managing Wi-Fi connections ScanResult: detected access points (including the Access Point address, name, identity authentication, frequency, and signal strength) wifiConfiguration: network configuration
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->
1. First, the layout template XML file vifi. XML is created,CodeIt is very simple, as follows:
XML version = "1.0" encoding = "UTF-8"
?>
LinearlayoutXmlns: Android= "Http://schemas.android.com/apk/res/android" Android: Orientation= "Vertical"
Info.getsubtype () values is as follows: * NETWORK_TYPE_CDMA network type is CDMA * Network_type_edge network type is EDGE * Network_type_evdo_0 network type is EVDO0 * Network_type_evdo_a network type is EVDOA * Network_type_gprs network type is GPRS * NETWORK_TYPE_HSDPA network type is HSDPA * Network_type_hspa network type is HSPA * Network_type_hsupa network type is HSUPA * Network_type_umts network type is UMTS Unicom 3G for UMTS or HSDPA, mobile and Unicom 2G for GPRS or edge, telecommu
Turn: http://blog.csdn.net/liuying_0408/article/details/7446631
As mentioned above, the WiFi startup process, of course, will then scan the hotspot (AP), then display the scanned AP, configure the AP (fill in the IP address and other information) connect to the AP, obtain the IP address, and finally connect to the Internet!
I. Scanning Hotspots (AP)
After WiFi is successfully started above: // success!Setw
I have been learning about android wifi for a week. Today, I will post my daily learning achievements for future reference, from the framework to the adaptation layer of wpa_supplicant (wifi. c) There are many posts on the Internet, and they are not complicated. The framework part should be noted in the wifiService and wifiMoniter sections, one is the CMD of the
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