Mobile phone Bluetooth control relay wireless lock Iot Android source code android development Android WIFI control detailed annotation test stability no bug, android Android
I. functio
"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 b
WORKAROUND: Shorten the response time;Specific methods:Path: Frameworks/base/services/java/com/android/server/wifi/wificontroller.javaCode: Class Wificontroller extends StateMachine {* Being enabled but not active exceeds the battery drain caused by* Re-establishing a connection to the mobile data network.*/-Private static final Long Default_idle_ms = 15 * 60 * 1000; /* minutes */+ private static final Long
end The code means that when you enter the Activity, you can dynamically register a broadcast to listen to changes in the Wifi status, and then dynamically display the IP address obtained by the Android mobile phone. Then, the status value ADB_WIFI_ENABLED_KEY is used to display the enabled and disabled status of the [Wifi debugging] switch.
The updateAllOptions
1. How to get the WiFi object and operate the WiFi device, you need to get Context.getsystemservice (Context.wifi_service) to get the Wifimanager object, and use this object to manage WiFi devices. Addnetwork (wificonfiguration config) Adds a config description of the WiFi network, by default, this
First of all, the Android code connected to WiFi a few steps : (The following refers to the specific API function self-examination ha, write the time by virtue of the impression of roughly written down)Reprint please specify the source:Fat Tiger : HTTP://BLOG.CSDN.NET/LJPHHJ1. First to turn on the wifi connection switch, mwifimanager.setwifienabled (TRUE)2. Geta
Android wifi explanation wifi list display, androidwifi1. To obtain a Wi-Fi object and perform operations on the wifi device, you must first obtain Context. getSystemService (Context. WIFI_SERVICE) to obtain the WifiManager object and use this object to manage the WIFI devic
disconnects various types of encryption networks (specific types are explained below)4. Manually add a networkRequires the router to turn off SIID broadcasts. You can manually enter SIID, network encryption type, password. For Opal phones, the router hides the SSID, and the manually added network cannot be connected.5. Search the NetworkClick the Search button manually to search the network, or wait for the WiFi module to search the network automatic
Basic structure of WiFiThe following five statuses are defined in the official Android documentation:Wifi_state_disabling WiFi NIC is shutting down 0Wifi_state_disabled WiFi NIC is not available 1Wifi_state_enabling WiFi card is opening 2Wifi_state_enabled WiFi Card Availabl
In the previous article "Android Development Practice: The encapsulation of WiFi scanning function" describes how to use the Andriod API to achieve WiFi scanning, this article will focus on how to connect WiFi bar, here, also give a package of WiFi connection process class,
file. The content is as follows:# WPA-PSK/TKIPCtrl_interface =/system/bin/wpa_supplicantNetwork = {SSID = "armeasy"Scan_ssid = 1Key_mgmt = WPA-EAP WPA-PSK ieee8021x nonePairwise = TKIP CCMPGroup = ccmp tkip wep104 wep40PSK = "phosphor"}Note that the SSID is the route name and phosphor is the route password. Set the route password according to your own.Copy the wpa_supplicant.conf file to/out /.... /System/etc/WiFi directory
7. Copy the rt3070sta. Ko
Recently, bloggers are learning frangment framework, so they want to think about it through the listfragment to get the WiFi list.Good!Don't talk nonsense now.I. Basic knowledge of WIFIThe following five statuses are defined in the official Android documentation:Wifi_state_disabling? WiFi card is shutting down? 0wifi_state_disabled?
Android development scans nearby wifi hotspots and displays the list, androidwifi
The Wi-Fi module has been used in recent projects. Today we will make a simple summary.
Reference: http://www.2cto.com/kf/201310/253617.html1. To obtain a Wi-Fi object and perform operations on the wifi device, you must first obtain Context. getSystemService (Context. WIFI_SERVICE)
);}});Builder.setnegativebutton (R.string.cancel, New Dialoginterface.onclicklistener () { @Overridepublic void OnClick (Dialoginterface dialog, int which) {Dialog.cancel ();}});Builder.create ();Builder.show ();}return flag;}
The results are as follows: Users can click OK to set up the network, such as starting WiFi
-------------------------------------------------------------------------------------------------If you want to do somethi
(connectivitymanager.extra_network_info); The currentNetworkinfo Othernetworkinfo = (networkinfo) Intent.getparcelableextra (Connectivitymanager.extra_other_network_ INFO); Another network statusBoolean hasnoconnected = Intent.getbooleanextra (connectivitymanager.extra_no_connectivity, false); Check if the network is all disconnectedBoolean isfailover = Intent.getbooleanextra (Connectivitymanager.extra_is_failover, false); is not WiFi and 3g in switc
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
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