printing from android device

() method of the Intent Object , set the action, parameter:Android.intent.action.VIEW Call the Intent object's addcategory () Add type, parameter:Android.intent.category.DEFAULTCall the Intent object's setData (), set the data,Parameters:URI object, get uri object uri.parse ("Package:" +getpackagename ())Call startactivity ()Device_admin_sample.xmlDevice-adminxmlns:android= "Http://schemas.android.com/apk/res/android"> uses-policies> Limit-passwo

Specify a debugging device for a Qt-based Android Application in Linux.Specify a debugging device for a Qt-based Android Application in Linux I recently installed Ubuntu Kylin with Chinese and foreign counterparts. Then I switched to the sogou input method, and the encoding felt much better than Microsoft's. Opening Q

Android provides a user-level lightweight LOG Mechanism. Its implementation runs through Java, JNI, local c/c ++ implementation, Linux kernel driver, and Other Android layers, and is simple and clear enough, it is a pretty good case. This series of articles explains the internal implementation mechanism of the LOG mechanism. This article is part 4 of the series. It explains the implementation of the

Recently in the direction of the camera to deal with the problem, in the Android device orientation problems, there are some questions on the way to write a demo to understand how the Android device orientation is a judgment.Android Device Orientation is the most common use

recent version KitKat or Oracle Java 6来 compiled, so you need to download the installation OpenJDK 7Java 7:for The latest version of Android$ sudo apt-get update$ sudo apt-get install openjdk-7-jdkOptionally, update the default Java version by running:$ sudo update-alternatives --config java$ sudo update-alternatives --config javacCompile: I used the armv7-a-neon default compiler:Printconfig============================================Platform_version

source code needs OPENJDK to compile. The recent version number KitKat or Oracle Java 6来 compiled, so you need to download the installation OpenJDK 7Java 7:for The latest version of Android$ sudo apt-get update$ sudo apt-get install openjdk-7-jdkOptionally, update the default Java version by running:$ sudo update-alternatives --config java$ sudo update-alternatives --config javacCompile: I used the Armv7-a-neon default compilation inside:Printconfig=

Use JavaScript or PHP to detect the code of the Android device. With the return of Steve Jobs and the release of iPad2, it seems that mobile development is becoming increasingly popular. Here we will list some detection methods that can be used in the Android system, the biggest competitor of iOS, with the return of Steve Jobs and the release of iPad2, it seems t

Look at the documentation for Android USB today and find a good gray skill--debug Android device! wirelesslyThis is suitable for troubleshooting Android devices that are unable to connect to the computer through OTG connections, causing logcat information to be viewed and debugged.Connect the

Screen resolution may vary due to the size of different phones. You may have encountered these problems while developing your application:1, why does the picture become smaller or smaller when it is displayed on another phone?2, why is the pattern defined in layout distorted on another phone?3, why does your own custom control size display is not normal?。。。。。。。。。。。。。。。。These are some of the more common device compatibility issues in

[Transfer from]http://blog.csdn.net/kuanxu/article/details/7444874Recently, because you want to debug your code on another Android device, check its log on your native PC. Two machines away from the relatively far, can not be directly connected with the USB, so find a lot of information on the Internet, the most find using the ADB Connect method to solve the problem. The resolution process is as follows:1,

Clicking the back key of the device is equivalent to notifying the Android system "I have finished using the activity and I don't need it now." "After receiving the instruction, the system immediately destroys the activity. That is, call OnPause ()->onstop ()->ondestroy () Click on the Home key, equivalent to notify Android "I'll take a look elsewhere and mayb

1.IDE Preparation Download Eclipse adt;http://developer.android.com/sdk/index.html from the Android Developers website After the download is complete, unzip the Adt-bundle-windows-x86_64-20140702.zip, Refer to the Android developers website to install the SDK via SDK Manager.exe packages;http://developer.android.com/sdk/installing/adding-packages.html After the installation is complete, open Eclipse and

The Device Admin example describes class Deviceadminreceiver,devicepolicymanager and Activitymanager. Class Devicepolicymanager A number of strategies for managing the definition of an Android device, mainly referring to the length of the password definition, whether the password needs to be in uppercase letters, the specification required to set passwords for l

There are two ways to create AVD: one is to create it directly on the eclipse platform, and the other is to create it in the command line (both methods are simple) Create AVD in eclispe first On the eclispe menu bar, select the 'window' option and select 'android SDK and AVD Manager' Click new to create AVD. Click new to bring up the create new Android Virtual Device