I need to obtain the MAC address of my android device using Java. I've searched online, but I haven't found anything useful. Java android mac-address. Share improve this question follow edited May 28 '15 at 3:02. George Hilliard. 12.7k 5 5 gold badges 47 47 silver badges 85 85 bronze badges. Install Android Studio in Ubuntu. Set the JAVAHOME environment variable to the location of your JDK installation. Download the Android Studio package for Linux and extract it somewhere (e.g home directory). To launch Android Studio, open a terminal, navigate to the android-studio/bin/ directory, and execute studio.sh. Visual Studio; Visual Studio for Mac; Download JDK 8 (1.8) from the Oracle website. Pick the 64-bit version to allow rendering of custom controls in the Xamarin Android designer: Run the.exe and install the Development Tools. Open Visual Studio and update the Java Development Kit Location to point to the new JDK under Tools Options Xamarin Android Settings Java Development Kit Location. Learn how to code in Java and master Android Studio. This is recorded on a mac. You can use a PC. Learn how to use Android Studio with this Amazing course! One of the best features is that you can watch the courses at any speed you want. This means you can speed up the or slow down the video if you want to. Using JDK that is bundled inside Android Studio as JAVAHOME on Mac. Ask Question Asked 3 years, 6 months ago. Active 3 years, 5 months ago. Viewed 14k times 35. I tried to open Android Device Monitor and the Studio showed me this message =-O: It surprised me, because how have I been able to develop Android apps if I didn't have any Java.
With the Create New Class dialog and file templates, AndroidStudio helps you to quickly create the following new classes and types:
- Java classes
- Enumeration and singleton classes
- Interface and annotation types
After you fill in the Create New Class dialog fields and clickOK, Android Studio creates a .java file containingskeleton code, including a package statement, any necessary imports, a header,and a class or type declaration. Next, you can add your code to this file.
File templates specify how Android Studio generates the skeleton code. You canuse the file templates provided with Android Studio as is, or customize them tosuit your development process.
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Viewing and customizing file templates
Android Studio provides file templates that determine how new Java classes andtypes are created with the Create New Class dialog. You cancustomize these templates.
Figure 1. The Create New Classdialog.
The Android Studio file templates include Velocity Template Language (VTL) codeand variables that handle these additional options.The Create New Class dialog uses the AnnotationType,Class,Enum, Interface, and Singletonfile templates.
To view the templates, find customizations, and modify the templates, followthese steps:
Do one of the following:
- For Windows or Linux, select File > Settings > Editor > File and CodeTemplates > Files.
- For macOS, select Android Studio > Preferences > Editor > File and CodeTemplates > Files.
In the template list,internal template names are in bold font. Customized template names aredisplayed in a highlight color, such as blue.
Customize the file templates as needed.
If you want to use the Create New Class dialog fields, make sure yourchanges comply with the Android Studio file template code.
For more information about file templates, including VTL, see Fileand Code Templates and Fileand Code Templates Dialog.
Creating a Java class or type
Android Studio helps you to create new Java classes; enumeration and singletonclasses; and interface and annotation types based on file templates.
To create a new Java class or type, follow these steps:
- In the Project window, right-click a Java file or folder,and select New >Java Class.
- In the Create New Class dialog, fill in the fields:
- Name - The name of the new class or type. It must complywith Java name requirements. Don’t type a file name extension.
- Kind - Select the category of class or type.
- Superclass - The class that your new class inherits from.You can type the package and class name, or just the class name and thendouble-click an item in the drop-down list to autocomplete it.
- Interface(s) - One or more interfaces that the new class ortype implements. Multiple interfaces should be separated by a comma followed by anoptional space. You can type the package and interface name, or just theinterface name and then double-click an item in the drop-down list toautocomplete it.
- Package - The package that the class or type will residein. The default automatically appears in the field. If you type a package namein the field, any portions of the package identifier that don’t exist arehighlighted red; in this case, Android Studio creates the package after youclick OK. This field must contain a value; otherwise, the Javafile won’t contain a
packagestatement, and the class or type won’t be placed within a package in the project. - Visibility - Select whether the class or type is visible toall classes, or just to those in its own package.
- Modifiers - Select the Abstract orFinal modifier for a Class, or neither.
- Show Select Overrides Dialog - For a Kindof Class, check this option to open the SelectMethods to Override/Implement dialog after you click OK. Inthis dialog, you can select methods that you would like to override orimplement, and Android Studio will generate skeleton code for these methods.
- Click OK.
Alternatively, select a Java file or folder in the Projectwindow, or click in a Java file in the Code Editor. Then selectFile >New >Java Class.
The item you select determines the default package for the new class or type.
Autocomplete works for the first interface name only. Note that whilethe comma and the following interface name can bring up a tooltip error, you can ignore the error because it doesn’t affect the generated code.
The default depends on how youlaunched the Create New Class dialog. If you first selected aJava file or folder in the Project window, the default is thepackage for the item you selected. If you first clicked in a Java file in the Code Editor, the default is the package that contains this file.
Any fields that don’t apply to the Kind are hidden.
Android Studio creates a Java file with skeleton code that you can modify. Itopens the file in the Code Editor.
Note: You can create a singleton class by selectingFile > New > Singleton orFile > New > Java Class; thelatter technique offers more options.
Android Studio file templates

This section lists the Android Studio file template code written in the VTL scripting language, followedby definitions of the variables. The values that you provide in theCreate New Class dialog become the variable values in the template.Note that the lines that begin with#if (${VISIBILITY} extend all the way to the open brace ({ ).
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AnnotationType file template
Class file template
Enum file template
Interface file template
Singleton file template

File template variables
Android Studio replaces file template variables with values in the generatedJava file. You enter the values in the Create New Class dialog.The template has the following variables that you can use:
IMPORT_BLOCK- A newline-delimited list of Javaimportstatements necessary to support any superclass orinterfaces, or an empty string ('). For example, If you onlyimplement theRunnableinterface and extend nothing, this variablewill be'import java.lang.Runnable;n'. If you implement theRunnableinterface and extend theActivityclass, it will be'import android.app.Activity;nimportjava.lang.Runnable;n'.VISIBILITY- Whether the class will have public access or not.It can have a value ofPUBLICorPACKAGE_PRIVATE.SUPERCLASS- A single class name, or empty. If present, therewill be anextends ${SUPERCLASS}clause after the new class name.INTERFACES- A comma-separated list of interfaces, or empty. Ifpresent, there will be animplements ${INTERFACES}clause after thesuperclass, or after the class name if there’s no superclass. For interfaces andannotation types, the interfaces have theextendskeyword.ABSTRACT- Whether the class should be abstract or not. It canhave a value ofTRUEorFALSE.FINAL- Whether the class should be final or not. It can have avalue ofTRUEorFALSE.



