Since squeeze (testing at the time) was installed in his notebook at the beginning of last year, it has not been re-installed, so it has been upgraded, upgraded to stable squeeze, and then upgraded to wheezy (testing ). use of recent school curriculum design requirements
Android SDK, So I installed it according to the official documentation. After installing and playing with ADT, I want to update the installation package. Why can't I link to the websi
public class Netutil {/** * checks the current network */public static Boolean checknet (context context) {//Determines whether the current user's phone is using WiFi traffic boolean Iswifi = iswificonnection (context);//Determines whether the current user's phone uses APN communication Boolean ISAPN = Isapnconnection (context);/no--Prompts the user--interface jumps to
Remember this is a question and answer question of Ali school recruit writtenThe answer is the small partners after the spell out, there are some erratic things, the need for friends can do a reference (specific details can be Baidu), welcome to put forward better suggestions!on the client side:1. Reduce the number of network requests, the ability to consolidate network requests as far as possible to merge,
In order to prevent the UI thread from being unresponsive in Android, network traffic generally uses Asynctask (the lightweight asynchronous Operation class in Android), which is no longer elaborated in this article.Body StartNew AsynctaskHere used Youdao Translation API (oneself can go to Youdao translation Official w
Recently studied the real-time video network transmission problem of Android, spent a lot of effort in video processing, summed up the following five sets of solutions, and comparedAn example of a video transmission of the same size
Scheme
compression rate
compression/transport
Realtime
Average traffic consumption
Recently, I have studied the real-time video network transmission problem of Android. I have spent a lot of effort on video processing. I have summarized the following five solutions and compared them.
Take video transmission of 320x240 as an Example
Solution
Compression rate
Compression/Transmission Mode
Real-time
Average Traffic consumptio
During Android network development, you need to determine whether the current network connection mode is wifi or wap. If it is wap, you need to use proxy for access.
Why is proxy access required?
WAP is only a GPRS application mode, and it has nothing to do with the GRPS access mode. WAP applications adopt the "terminal + WAP Gateway + WAP Server" mode, which is
Android G1 Bluetooth and wireless network, and APN Access Point settings
The Bluetooth of G1 now only supports Bluetooth headsets (supporting Bluetooth stereo). Like the new iPhone, G1 does not support Bluetooth data transmission and synchronization and can only wait for the system to upgrade.
G1 has powerful wireless connectivity. Currently, 54m is supported in the latest 5.0.2hr3 Rom.
Enable wire
InstructionsHttp://source.android.com/porting/tcpdump.htmlSource code and documents entsHttp://www.tcpdump.org/Compiled Binary DownloadHttp://www.strazzere.com/android/tcpdumpWiresharkHttp://www.wireshark.org/download.htmlInstalling tcpdumpPushing the binary to an existing deviceDownload tcpdump fromHttp://www.tcpdump.org/, then execute:CMD codeADB RootADB remountADB push/wherever/you/Put/tcpdump/system/xbin/tcpdumpADB shell chmod 6755/data/local/tmp/
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