In fact, master Notepad + command line programming is very effective, whether it is the computer hardware configuration and performance problems, or for the understanding of the program internal operation mechanism, debugging and so also have a good help. But many people can understand it because of fear or dislike of using this laborious writing habit, but it is all superficial, and the post-operation is j
How to build a command line Android development environment in Linux
How to build a command line Android development environment in Linux
1. Preface2. install Java and Ant3. Android
For Android app testing, if the handheld Android device is scarce, we can create an Android simulator AVD instead of simulating an Android phone device, and this article describes how to create and use the AVD.1. Create AVDEach AVD simulates a set of virtual devices to run Android
1. Call the ADB command to install the app in Android development, install the app into the/system/app directory /** * Install the app in use ADB command,this style is silent * * /private void Adbinstalltheapp () { // ADB push core code String command = "CP" + "the
In the figure above, except for the last red box, the other boxes are commands under the ADB shell.
"1" in the Android program, databases that are typically created are stored in the directory of the/data/data/[application package name]/databases.
"2" CD command: Folder Jump command. ls command: See what files are un
Install jdk, android-studio, and genymotion on the command line in Ubuntu for android development.Install JDKRun the following command to create a folder: unzip sudo mkdir/usr/lib/jvmSudo tar zxvf jdk-8u92-linux-x64.tar.gz-C/usr/lib/jvm set environment variable sudo gedit/et
important, these libraries do not install, will not open, and normal operation//essays written late, if not remember the words are the two, if not, please search by yourself. $sudo apt-get Install libstdc++6 $sudo apt-get Install lib32stdc++6
Installing GenymotionFirst go to Genymotion's official website (http://www.genymotion.net/) to register an account, (free), and then have permission to download his latest file Genymotionxxxxx64.bin a. bin file.And thenchmod +x genymotionxxxxx64.bin/
In Android, in addition to starting a program from the interface, you can start the program from the command line, using the command-line tool AM.
Copy Code code as follows:
usage:am [subcommand] [options]
Start an activity:am start [-d]-d:enable debugging
If you want to learn all the steps needed to develop an application on Android, it's best to do this on the command line, and below you can throw away which slowly eclipse, and then build the following Auto.cmd file, run Auto.cmd, your computer D : \work\njh1 folder will produce a snjh.apk file, which will be automatically installed on your phone and run automati
Yesterday the two managers were working properly, updated today, found unavailable, ran AVD manager and SDK Manager did not respond , searched a lot of articles, and then saw the next article " about the SDK update Android SDK Tools 25.3.1 version after using SDK Manager Fl
() {result = Result + cursor. getstring (cursor. getcolumnindex ("name") + ""; Result = Result + cursor. getint (cursor. getcolumnindex ("VIP") + "\ n";} cursor. close (); dB. close (); return result ;}@ override protected void ondestroy () {sqlitedatabase DB = mysqlitehelper. getwritabledatabase (); dB. delete ("user_info", "1", null); super. ondestroy ();}}
Execution Result Display
The storage location of our database is/data/COM. sumq/databases/test. DB.
In the following example, we use t
aware that you want to use a semicolon [;] To end the input of the statement."5" If you enter the ADB shell on the command line, you are prompted that ADB is not an internal or external command, is not a running program, or a batch file, and this situation is caused by an environment variable that is not set properly. Workaround: In the installation of the
In Android Application Development, we may sometimes use the built-in database sqlite3 in the system. For example, we have created a database in an application, how to view the database or the tables or data contained in the database. The following describes how to create a database and a table in an application and view the database and table using the command line
, which is the generated dynamic link library.Because Android has a multi-CPU platform, you can also configure the generated platform type with a single file.Create a new Application.mk (note case) in the JNI directory and enter the following:App_abi: = Armeabi armeabi-v7a x86Using the Ndk-build command again to compile, you will generate a dynamic-link library of three platforms under LibsThe next packagin
Command lineMany of the students do Android development soon, accustomed to using the graphical interface, the command line operation is very unfamiliar and even fear. Encountered as run error, helpless.As in order to ensure ease of use, but also in the UI interface to block a lot of
The premise is that Java, SDK, NDK, CMake, Gradle, Gradlew are all installed and configured.1. Download the source code:git clone http://git-ma.xxxx.com.cn/xxxx/xxxxx-ANDROID.git2, change the actual project useful Android small framework, frame folder on the Master branch. The develop branch to be compiled does not have this folder. Need to download the nextgit submodule update--init--recursive3. Enter the
, KML, geopackages, and direct image data, including: ASRP/USRP, cib1,5,10, DTED0, 1, 2, Geopackage, GeoTIFF, HFA, HRE, IMG, JPEG, JPEG2000, NITF, PNG, RPF, SRTM1, 2. Support for offline spatial analysis, line-of-Sight and viewshed Analysis (Beta) (x86 devices are temporarily not supported), optimize geodatabasefeatureservicetable, and enable the use of single-function APIs for online offline. The Network Map Service has been enhanced to support WMTS
Android website smoothly.Enter Lantern in the search box in the upper right corner of the Ubuntu Software Center,Configuring the development environment first, the new installation JDK and Android-studio1, open the new stand, enter the root password, enter the main interface:2, install the JDK.Enter the JDK in the Quick filter, select Oracle-java8-installer, and click Apply.Wait for the installation to suc
Recently, when doing Android development, you need to refer to a third party code into the project, in general, directly under Eclipse to set the code to be imported to the library can be compiled, but a lot of code in eclipse to compile a lot of inexplicable errors. Therefore, you can only compile the code using command-line methods. The specific methods are as
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