A. Android platform WiFi Basic code path
1. wpa_supplicant Source Section
external/wpa_supplicant_6/
Build library libwpa_client.so and daemon wpa_supplicant
2. WiFi HAL Layer Code
Located in hardware/libhardware_legary/wifi/
3. The JNI part of WiFi
Located in Frameworks/base/core/jni/android_net_wifi_wifi.cpp
4. Java
We live in a world full of mobile networks, and what is most indispensable to us is the network that surrounds me all the times. and currently the most Outstanding network connection way wireless network must be many users contact the most Internet connection mode.
Today's work and life, the wireless network has become popular, we can access WiFi networks in the region to connect any network. This not only facilitates our flexibility of work, but als
Bandwidth defects make WiFi mobile phones unable to become mainstream
Text/item Creation
Due to the inherent defects in the spectrum, Wi-Fi is doomed to become a mainstream wireless city, which involves a bearing capacity problem, from the very beginning, wireless cities were not designed for nationwide Internet access. They used a small free public channel spectrum, its general frequency is not enough to support the bandwidth traffic required by th
Qualcomm WiFi androidLayer migration (bcm4329)
Define the location of the kernel module (including the kernel module, firmware, NVRAM, and other kernel modules, such as the sdio driver or USB driver (if it is a USB Nic ))
Hardware/libhardware_legacy/WiFi/wifi. C.
Some Macros in wifi. C can be configured in boardconfig.
WiFi NIC status (unavailable status value is 1, closing value is 0, available status value is 3, opening value is 2)The WiFi NIC status is represented by a series of integer constants that are stored in the Wifimanager class1, wifi_state_disabled WIFI network card is not available2. Wifi_state_disabling WIFI is shuttin
Wifi Nic status1. WIFI_STATE_DISABLED: WIFI Nic unavailable2. WIFI_STATE_DISABLING: the WIFI Nic is being disabled.1. WIFI_STATE_EWNABLED: WIFI Nic available1. WIFI_STATE_ENABLING: the WIFI Nic is on.1. WIFI_STATE_UNKNOWN: Unknown Nic statusChange the status of the Wi-Fi net
How can I set the WiFi password to not be cracked? In this era of the network developed, basically every household will be installed WiFi network, but no matter how set the password, will be rubbed net. Below is a small Lego to share WiFi password anti-cracking tutorial, take a look at it!
Anti-RUB network elements 1th: (Router)
Buy a bit of the rou
Nowadays, wireless router is a necessary artifact of network connection in every household. With wireless routers, mobile phones, computers, tablets and other intelligent devices can easily access the Internet. However, even if it is so convenient, there will inevitably be some problems. Not only the signal is not stable, often not open the situation of the Web page, and even frequent drop lines are commonplace.
So, the network signal is poor, WiFi f
Business trip, travel without wifi what to do? Driving life teaches you to put the Notebook wireless network card "Avatar" hot spot, gently loosen a key even WiFi, God horse router, mini route and so on hardware can be ignored.
Step 1
Open the driver life software, in the main interface can see the upper right corner of the "wif sharing" feature icon, click the button to open the function sett
WiFi wireless networks are almost an essential element in modern life; WiFi signals can also be affected by differences in router branding or performance; today's Paradise Small series for you carefully organized WiFi signal upgrade Ten tips, hope to help you.
WiFi signal Elevation tip 1. Change Signal Channel
How do I use the WiFi key? For friends who like to use WiFi, the WiFi key is a familiar one, but friends who have just come in contact with the WiFi master key may be unfamiliar, and the following small series teaches you to use the WiFi master key on your computer.
How can I set the WiFi password to not be cracked? In this era of the network developed, basically every household will be installed WiFi network, but no matter how set the password, will be rubbed net. Below is a small Lego to share WiFi password anti-cracking tutorial, take a look at it!
Anti-RUB network elements 1th: (Router)
Buy a bit of the rou
How does Tencent WiFi Butler measure speed? Tencent WiFi Butler test speed method. Tencent WiFi Butler is a very useful WiFi assistant housekeeper, which has a key connection, free Internet access, WiFi security and WiFi red envel
What is a millet WiFi?
Millet portable WiFi relies on computers that have access to the network to create free WiFi. If your computer operating system lacks network share components (such as some pirated Windows system users), or if your network requires a separate authentication program (such as some campus network users), there may be a temporary inability to
Apple offers a little-known utility on MAC devices to help users analyze and diagnose WiFi connections, which is the Wireless diagnostics tool
Apple offers a little-known utility on MAC devices to help users analyze and diagnose WiFi connections, which is the Wireless diagnostics tool. We can open the wireless diagnostics by pressing the Option key and clicking on the
Slow Internet access is almost the most frequent topic for each broadband operator to receive complaints from customers. Research has shown that most consumers currently use WiFi speed is generally only about 50% of its router bandwidth limit.
WiFi speed does not meet expectations, with these six factors.
1. WiFi Signal Congestion
When a user accesses a networ
When it comes to wireless, some people think of wif some people think of WLAN, what is the difference between WiFi and WLAN?
In short, WIFI is the acronym for Wireless Fidelity (wireless fidelity), a technology that allows computers, mobile phones, and so on to interconnect wirelessly.
And WLAN refers to wireless LAN, its coverage can reach 5 kilometers. WiFi i
This article is translated by the civil project, which is a translation. In fact, it can be easily configured without any commands. It is a graphical interface, which is convenient and easy. We all know how to design a Wi-Fi hotspot on Windows 7. When you only have one network cable and multiple computers, you don't want to buy a router any more, and how to set Ubuntu computer as a Wifi hotspot. This article will show you how to set Ubuntu12.04 as a h
Often asked about the WiFi management under the Android issue, asked about the WiFi operation, below I write how to implement Android-like Android system with WiFi management function steps, through this study, I believe that the operation of WiFi under Android, we basically can master:First, talk about the interface l
Function implementation: control the WiFi switch and connect to a specific wifi.
First, let's start with a WiFi tool class. This class is reposted to one person on the Internet, and the source is unknown.
Package rodar. RGS. conference. utils; import Java. lang. reflect. constructor; import Java. lang. reflect. field; import Java. lang. reflect. invocationtarge
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