how to print from android phone via wifi

Qt do Android development, sometimes need network information, this example is to get a phone search to the signal strong WIFI signal list. The knowledge of JNI is needed in the process. In addition, the example is relatively simple, if you need this, you can modify it yourself.The program is divided into two parts, one is the JAVA program writing, one is the Qt

Hello, everyone, recently in the Android program due to mobile phone interface problems, debugging programs are always poor and can not be normal debugging, so feel quite distressed, so on the internet to find wireless debugging methods of Android. After studying and experimenting with the wireless debug program that is now successful, the method is shared as fol

If the data cable is lost and you don't want to spend any money to buy it, you can check it online. Android phones can actually use wifi.ProgramDebugging, too good. I did it myself. Although I wrote a lot of details on the Internet, there are still some problems. I will record them and refer to them next time. 1. First, let the Android phone listen to the specif

(a) root your Android (believe that most people now have the root of the phone.)(b) Download the app:adbwireless and install it on the phone.(c) Install the ADB Toolkit, in fact, to use the ADB tool under Windows, only three files are required: Adb.exe; AdbWinApi.dll; AdbWinUSBApi.dll(a) on the phone, open the adbwirel

, as shown:Unable to connect to 192.168.2.11:5555There may be a problem with the device listening port, you can perform the following command on the phone terminal:Su//Get root permissionsSetProp service.adb.tcp.port 5555//Set the listening port, the port can be customized, such as 5554,5555 is the defaultStop ADBD//off ADBDStart ADBD//Restart ADBDThe download program of the mobile terminal can be downloaded here: http://as.baidu.com/a/item?docid=4370

Get wifi ip address or mobile network IP address for android development tools Sometimes we need to get the IP address of WIFI to get the IP address of the mobile phone network. This is a tool class dedicated to solving this problem. Here we need two permissions: The first permission is required t

Apprentice father guidance, today learned to use the WiFi debugging program, haha, mom no longer worry about the data line problem (only Eclipse,as have not tried, do not know whether it is feasible)The steps are simple:But before the start, or with a mobile phone connection, the following steps are completed, you can unplug the data line.1, Win + R Open run2. Input cmd, enter3. Input adb tcpip 5555The port

Many times it is necessary to determine the current user's network before proceeding with some of the processing logic. But the network type gets this piece, I am using my own mobile phone to debug some problems, here to record. A mobile phone generation, mobile 4G network, get the subtype type value of 17, I checked the Android 5.1 source code, its maximum va

Use wifi to connect to eclipse for android program debugging, wifiandroid First, the mobile phone must have been root. You can use the Baidu one-click root tool. Then, open the terminal application on your mobile phone and enter the following command:SuSetprop service. adb. tcp. port 5555Stop adbdStart adbd Next, yo

Turn on your phone USB debugging and connect your phone to the device terminal via USBBecause the phone default adb is the USB connection mode, through the above operation has been able to operate the phone through the ADB. For security purposes, enter the ADB devices command at the device terminal to confirm that the

Requirement: count the number of Wi-Fi/2G/3G/4G traffic Issue: 1. How to Determine 2G/3G/4G The system source code TelephonyManager class provides methods, but only hidden, so you can refer to the source code Ii. How to make statistics The TrafficStats class is provided after Android 2.2 for traffic statistics. For more information, see the manual. Here I used Static long getTotalRxBytes () // obtain the total number of accepted bytes, including Mob

WeChat mobile phone for Dog Day-the W808Android mobile phone is a spam fighter and android garbage collection mechanism The W808android mobile phone is really a spam fighter. I listed the following items: 1. Force download and push the APK. If you do not click it, it will not disappear. Download it as soon as you cli

specific content you want to print.Now rerun the project, click the little green arrow in the toolbar, or press SHIFT+F10. After the program runs, the comrades who use the simulator may already be able to see the logs, such asThe use of the real machine comrades, may see or empty logcat. Need to do such a thing, the menu bar tools→android→enable ADB integration put this hook on and then run again.Should I see the log this time? See if we can find the

) wvga854* (480x854) Table 1 3.3 Mobile phone size distribution (http://developer.android.com/resources/dashboard/screens.html), as shown in Figure 3, is currently mainly based on the resolution of 800*480 and 854* 480 of mobile phone users are mostly Figure 3 From the above screen size distribution, in fact, the mobile phone only consid

Recently to be in the running to find a job, inevitably in the interview process encountered such a problem, remember the most clearly in the interview process was asked, when the mobile phone in a weak network state, how to deal with, how to monitor the network signal intensity changes. But it was so, the answer was messy, the idea was not clear at all. Today's small knitting here to lead you to understand the mobile

directory. The content of the file is only three lines by default, all of which are comments. Add a line after it and the content is 0x12d1. 6. Repeat Step 3. logcat should be ready to work now. The above is still useless for debugging and printing logs on mobile phones. I don't know if this person has tried to use mobile phone debugging to print information. I tried it but it didn't work. It would be nic

You can test Android, Apple APP, and H5 apps locally without having to change the hosts of the ROOT user on your mobile phone. Android h5 Mobile APP development and H5 apps often need to be tested separately in the local and online environments. Generally, the operation is to modify hosts, and I have been doing this all the time, however, modification to the host

("Dfgdgs");/set QRCode content Esc.addprintqrcode ();//print QRCode esc.addprintandlinefeed (); /* Print text */esc.addselectjustification (EscCommand.JUSTIFICATION.CENTER);//set to print left-aligned esc.addtext ("completed!\r\n"); Print end//Open Cash Box Esc.addgenerateplus (LabelCommand.FOOT.F5, (byte) 255, (byte)

according to his or her computer. After the above command executes, the screen will be stuck on the current page, please do not repeatedly hit enter to execute . 8, End log print. Mobile app After the operation is complete, you do not need to crawl the Span style= "Font-family:times New Roman" >log at the current cmd command line window, using computer shortcuts ctrl+c end print, output l

The six methods are: Based on RGB segmentation, based on RG same channel segmentation, ycrcb + Otsu (Ostu can refer to the http://blog.csdn.net/onezeros/article/details/6136770, Http://wenku.baidu.com/view/05c47e03bed5b9f3f90f1ce4.html), ycrcb space, YUV space, HSV space. The next step is to use JNI to port the detection to Android. The final goal is to enable the android smart