printing from android device

); } Else{Toast.maketext ( This, "Device Manager must be activated first!", Toast.length_short). Show (); } } Public voidcleardata (view view) {if(Mdpm.isadminactive (Mdeviceadminsample)) {//determine if Device Manager has been activatedMdpm.wipedata (0);//Clear data, restore factory settings}Else{Toast.maketext ( This, "Device Manager must be activated fi

When developing Android applications, we often need a unique device code to determine the client. Several Methods in Android are often unreliable in use 1. DEVICE_IDIf we do need the identifier of a real device, DEVICE_ID may be used. Obtained Through TelephonyManager. getDeviceId (). It returns IMEI, MEID, or ESN code

://www.shuame.com/root/Re File Manager: http://shouji.baidu.com/software/22415959.htmlDownload two tools from the link above, one to get the root of the device (don't worry, it's not a brush, it's not a good idea to make the device brick.) And simple operation, one-click root), one is root after viewing, modify the device files.Step Two: RootAfter installing the

I upgraded Android Studio to 0.8.1 yesterday, so I cannot execute the App ~ The Run window displays: Waiting for device.Target device: lge-nexus_4-0262fa6d9d51c2e8 Event Log window display: NoSuchMethodError: com. android. builder. model. androidArtifact. getOutputs () Ljava/util/Collection;: com. android. buil

The command prompt adb shell can install Android apps under System on a device that has already been rooted.Here's how to push the app directly to the/system/app folderThe main steps are as follows:1. ADB devices2, ADB remount//re-installed in the system file, the device to read and writable3. ADB push .... apk/system/app/Because the ADB remount often appears rem

As we all know, when it comes to developing an Android project, we need to store data in the Data folder of a virtual device when it's about needing access to data, which is the need to interact with it. Before in the relevant books to learn how to upload files to the device, such as the Mp3,mp4 player mentioned above need to upload to the

Android friends know that the real machine debugging needs to connect the phone to the PC, and then deploy the application to the real machine for installation and commissioning. The long USB cable is cumbersome and inconvenient if you need a USB interface to connect to other devices. Today introduces a way to do real-machine debugging without a USB cable.First let the phone and the computer under the same LAN, and then download a name of the app call

Android gets the device model:Import Android. OS. Build;.....Build BD = new build ();String Model = BD. model;Android obtains device ID and other information:You need to add permissions in androidmanifest. xml.Telephonymanager TM = (telephonymanager) getsystemservice (contex

I ' ve develop a test application in Xamarin Studio (Android with C #) and wanted to test it on my phone.The application worked just fine in the Device emulator (same OS version) if I install/open it on my phone, it jus t says "TestApplication stopped working" I know from the online search that thousands of issues could cause this error MES Sage but my questions are:is exporting my app on my droid as simple

1 $ (document). Ready (function () {2 / * judgment device * /3 var browser={4 versions:function () {5 var u = navigator.useragent, app = navigator.appversion;6 return {7 trident:u.indexof (' Trident ') >-1,//ie core8 presto:u.indexof (' Presto ') >-1,//opera core9 webkit:u.indexof (' AppleWebKit ') >-1,//Apple, Google kernelTen gecko:u.indexof (' Gecko ') >-1 u.indexof (' khtml ') = = -1,//Firefox kernel One Mobile:!! U.match (/applewebkit.*mobile.*/

Recently made a version of the promotion page, through the JQ to determine the device, and downloadBuilt-in browser to the download link is masked, so first judge, if it is built-in browser, then jump to the app Bao link, if not, then judge is iphone/adroid/pc and jumpThe code is as follows:function Downloadapp () {var u = navigator.useragent; var ua = Navigator.userAgent.toLowerCase (); var isandroid = u.indexof ('

The Android system seems to have become the preferred target for virus authors around the world, with new malware infecting more devices every day. This time, security company Trend Micro released a warning that they found a new Android backdoor--ghostctrlGhostctrl was found to have 3 versions, the first generation to steal information and control the functionality of some devices, the second generation ad

Android Real device debugging, something can not use USB debugging, or with USB debugging too troublesome, then need to use wireless debugging this way.Unlimited debugging sub-root and non-root two, the market's wireless ADB debugging app, basic needs root permissions, which makes no root device can not use wireless debugging, and then need to use non-root infini

When you need your device to run for a long time, due to the mobile device in order to prolong battery life, after running 15s-30mins (the user is free to set), if the user does not operate during this time period, the system will go into hibernation andThe screen is locked, so we need a way to keep the screen up and running in the long run, so we have this article. The following three methods are transferr