QR code-java generates a QR code business card and automatically saves it to the mobile phone address book...
Technology qq exchange group: JavaDream: 2515720721. First introduce an api.
Zxing is a bar code provided by Google.
The parsing tool provides the generation and resolution of QR codes. Now I will briefly introduce how to use Java to generate and parse QR codes using Zxing.
2. QR code generation
1.1
Introduction of a free software, you can count the computer each network card usage traffic situation, with mobile phone traffic card special practical650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/72/95/wKiom1XnBDnx5IlXAAGm8cBhCJw810.jpg "title=" 2015-09-01_155417.jpg "alt=" Wkiom1xnbdnx5ilxaagm8cbhcjw810.jpg "/>can also be as follows, or Baidu found
1. Click [application] on the page on the mobile phone and then go to the following page.2. Click set ].3. Slide the screen up and click the [contact] option. This will first enter us regardless of other options.4. Click the "import/export contacts" option. You only need to select this section.5. Select your SIM card. Here we use [import from SIM 1 card
1. To back up your contacts I'll go back to my mobile desktop and then click on the "Contacts" icon.2. In the contact us click on the three-point box, such as the Red Box "menu."3. Then we click on the three point after the pop-up menu, here we click on the Drop-down menu "set."4. Okay, let's get into the setup. We find "contact" and click on Enter, as shown in the following figure.
5. OK here we will see an "import/export" We click on it and then click "Export to SD
Http://blog.csdn.net/t12x3456
During development, there will inevitably be various adaptation problems, especially those that have been deeply modified and customized, some of which are very different from each other in hardware and software, I have to mention a wonderful model here. That's right, it's a dual-card dual-waiting mobile phone (for example ). because it is a dual SIM
computer only"
8, back to the wireless Network configuration menu, we click Add button, enter the associated option, we connect to its name-vlan, the name can be easily, preferably in English set a good password, the list set to 12345.
9, set up a good wireless network card and local connection configuration, the system will automatically pop-up said to search the wireless network signal.
10, we turn on the wireless network connection.
11
This paper introduces a very convenient tool to view SIM card information of mobile phone, and can easily view serial number information such as IMSI on the phone.1. This software can be found on the official website of the stone-cut simulator, found and installed in the Baidu Web-disk link below the stone-cut simulation organ network to find the "cut stone Simul
China is so big, so many people, almost a mobile phone. The mobile phone number has been registered as an account of the major Internet stations. Similarly, the identity card is more so. The following is a valid mobile phone number and a social security number.Base_dir =Os.path.dirname (Os.path.dirname (__file__)) Dc_p
ADN format
ADN is stored in 3f00/7f10/6f3a under the SIM card. The record format is 14 at the minimum, and the maximum value is 255 (?), The maximum number of records is 255 (?)
The last 14 bytes are mandatory. The first 12 bytes are phone numbers, the last is ext1, and the last is ccp1.
If the length is more than 14, the name of the user stored in the front is stored. If it starts with 80, 81, and 82, the
Sometimes in order not to let the user's mobile phone number and ID card directly exposed to the page, we need to add an asterisk processing, the general situation is in the middle of the position with a few asterisks, the specific code can refer to the following:
var str= ' 13155555555 ';var str2 = str.substr (0,3) + "* * *" +STR.SUBSTR (7); 131****5555
The simple method of intercepting and combining str
Note: Some software can not be installed in the SD card, while some applications are installed in the SD card some data it is still cached in the phone, the problem may be to improve the performance of the application done, but the amount of data will not be very large.
1. We clicked "Application" in Samsung mobile interface and entered, the effect is as follow
First, to ensure that the mobile phone does not exist arrears, and opened the Internet function, to ensure that the phone card does not appear damaged, you can change the card to other mobile phone use observation, to ensure the use of peripheral signal good, such as signal
1. Handle the machine, and then we long press home small house key + power-on key, the mobile phone will automatically enter the following image of the recovery mode and then we choose the Sixth option 6 (Partition sdcard) (using the voice size key to move up and down the selection)
2. Click to confirm after check
3. Then click the first one, press the confirmation key to enter
4. After the selection we are according to the small house
Leakage of 616 WeChat official accounts/Express connect (account/password/email/phone/ID card/operation status)
Public Account
Account Source: 360 dizzy disk shared drops accidentally seen
http://c2.yunpan.360.cn/docviewer/excelviewer?nid=14391836926105610type=xlsid=undefinedhisFile=undefinedscid=32size=271360
Http://yunpan.cn/cdPf2i6VYK6uJ (extract code: e8f8)Come to the background
Let's take a look at th
The design defect of a station in the travel network of qinglv leads to a large amount of sensitive information leakage (Order/member number/name/mobile phone number/ID card number/email/address)
Qinglv Holdings Co., Ltd. (hereinafter referred to as qinglv) is a subsidiary of the central Communist Youth League directly affiliated to the Chinese Youth Travel Group Company. It was founded in November 26, 1997
Android newest mobile phone internal storage size, SD card storage size Method
We used to obtain this information in the past.
// Before Android API18: fs. getAvailableBlocks () * fs. getBlockSize ()
Currently:
/** Obtain available system memory **/@ SuppressLint ("NewApi") private String getMemFree () {StatFs fs = new StatFs (Environment. getDataDirectory (). getPath (); return Formatter. for
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