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I sometimes find the Java setup on my various Apple devices to be a mystery. Recently, I was trying to get a Java applet to run in the same way on 2 iMacs and my MacBook Air. The applet is a simple vpn client from Juniper that lets me access a Citrix Desktop from any Mac that I can install the Citrix receiver client on so I can work on 'Company stuff' from a large screen iMac when I'm sat at. Introduction: How to Install Optifine Onto Minecraft Using OS X This is a tutorial on how to install Optifine onto Minecraft using OS X (Mac) Add Tip Ask Question Comment Download. The download would restart three times before saying 'Unable to update the Minecraft Native Launcher'. My sister's Windows laptop runs the game just fine. I have tried giving my computer a software update, updating java, downloading Java SE Runtime, and deleting and reinstalling the Minecraft Launcher. Non-Solution for Mac Users: I have not found any way for you to activate your PIV using a Mac. The recommended method is to find a Windows 10 or 8.1 / 8 computer and follow Instructions above. The recommended method is to find a Windows 10 or 8.1 / 8 computer and follow Instructions above.

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This page describes how to install and uninstall JDK 8 for OS X computers.

This page has these topics:

See 'JDK 8 and JRE 8 Installation Start Here' for general information about installing JDK 8 and JRE 8.

See 'OS X Platform Install FAQ' for general information about installing JDK 8 on OS X.

System Requirements

Observe the following requirements:

• Any Intel-based computer running OS X 10.8 (Mountain Lion) or later.

• Administrator privileges.

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Note that installing the JDK on OS X is performed on a system wide basis, for all users, and administrator privileges are required. You cannot install Java for a single user.

Installing the JDK also installs the JRE. The one exception is that the system will not replace the current JRE with a lower version. To install a lower version of the JRE, first uninstall the current version as described in 'Uninstalling the JRE'.

JDK Installation Instructions

When you install the Java Development Kit (JDK), the associated Java Runtime Environment (JRE) is installed at the same time. The JavaFX SDK and Runtime are also installed and integrated into the standard JDK directory structure.

Depending on your processor, the downloaded file has one of the following names:

• jdk-8uversion-macosx-amd64.dmg

• jdk-8uversion-macosx-x64.dmg

Where version is 6 or later.

1. Download the file.

   Before the file can be downloaded, you must accept the license agreement.

2. From either the Downloads window of the browser, or from the file browser, double click the .dmg file to launch it.

   A Finder window appears containing an icon of an open box and the name of the .pkg file.

3. Double click the package icon to launch the Install app.

   The Install app displays the Introduction window.

   
   

   Note: In some cases, a Destination Select window appears. This is a bug, as there is only one option available. If you see this window, select Install for all users of this computer to enable the Continue button.

   
   

4. Click Continue.

   The Installation Type window appears.

5. Click Install.

   A window appears that says 'Installer is trying to install new software. Type your password to allow this.'

6. Enter the Administrator login and password and click Install Software.

   The software is installed and a confirmation window appears.

7. Refer to http://www.oracle.com/technetwork/java/javase/downloads/jdk-for-mac-readme-1564562.html for more information about the installation.

8. After the software is installed, delete the .dmg file if you want to save disk space.

Determining the Default Version of the JDK

If you have not yet installed Apple's Java OS X 2012-006 update, then you are still using a version of Apple Java 6 that includes the plug-in and the Java Preferences app. See 'Note for Users of OS X that Include Apple Java 6 Plug-in'.

There can be multiple JDKs installed on a system, as many as you wish.

When launching a Java application through the command line, the system uses the default JDK. It is possible for the version of the JRE to be different than the version of the JDK.

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You can determine which version of the JDK is the default by typing java -version in a Terminal window. If the installed version is 8u6, you will see a string that includes the text 1.8.0_06. For example:

To run a different version of Java, either specify the full path, or use the java_home tool:

For more information, see the java_home(1) man page.

Uninstalling the JDK

To uninstall the JDK, you must have Administrator privileges and execute the remove command either as root or by using the sudo(8) tool.

For example, to uninstall 8u6:

Do not attempt to uninstall Java by removing the Java tools from /usr/bin. This directory is part of the system software and any changes will be reset by Apple the next time you perform an update of the OS.

This guide teaches developers how to set up their workstations in order to use Samsung Mobile SDKs in their apps. It covers basic topics such as how to download and install the SDK.

This section covers:

1. System Requirements.
2. Downloading Samsung Mobile SDKs.
3. Getting started with Android Studio.

1. System Requirements

To develop apps for Samsung mobile devices, you must first set up your Android development environment. If your development environment is already configured, you can skip this section.

1. Verify that your development system meets the requirements specified by the Android System Requirements.
2. Set up your Java environment:

To develop Android apps in Java, you need the following:

• Java Development Kit (JDK) — this provides the tools required to build a Java app.
• Java Runtime Environment (JRE) — this lets you run Java apps on your computer.

To set up these components:1. Go to Java SE Downloads.2. Click Java Download to display the download page for the latest version of JDK, which includes JRE.3. Click the download package for your operating system: Windows, Mac OS X, or Linux.4. Install the JDK package. For details about the installation, see the Java Platform Installation.

3. Download Android Studio:
   1. Go to Android Studio.
   2. If the browser has detected your operating system, click Download Android Studio. Otherwise, click Download Options and select a different platform: Windows, Mac OS X, or Linux.
   3. Unzip and install the bundle. It includes essential components and the Studio IDE.
   4. Launch Android Studio.
   5. If you get a notice of Platform and Plugin Updates, click update to exit Studio and launch the SDK Manager. Then install the suggested packages.

2. Downloading Samsung SDKs

Downloading SDKs from Samsung Developers:

1. Go to Mobile page
2. Select the SDK you want to download
3. Go to the Resources page for the SDK
4. Click the download button
5. Read the license agreement, select I agree to this SDK License Agreement and click Download
6. Unzip the downloaded SDK to a folder of your choice. The SDKs typically provide the following folders
   • Docs: Programming guides and API references
   • Libs: Java and C libraries to use in your app
   • Samples: Sample apps showing example source code
   • Tools: Additional tools that may be needed to use the SDK
   • Extras: Additional support resources

3. Getting started with Android Studio

This section describes how to create your first project in Android Studio and run an app.

Creating an Android Studio project

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1. Launch Android Studio.
2. Create a new project by clicking File > New Project
3. Fill out the fields:
   • Application name: your app name
   • Company domain: the qualifier for your app package name.
   • Package name: this is the combination of the company domain and application name, which must be unique across all packages in the Android environment. Android generates this from the application name and company domain values.
   • Project Location: the directory where your app is stored. You can use the default or specify another location, if desired.
4. Click Next
5. Select the type of device you want to target, for example, Phone and Tablet
6. Select the Minimum SDK level you need to support the SDKs you’re using. In this example, select API 21. Click Next
7. Use the default Empty Activity type and click Next. For more about activities, see Android Activities.
8. Use the default Activity Name and Layout Name and click FinishFor more about creating a project in Android Studio, see Creating Projects.

Adding a Samsung library to Android Studio

To use a Samsung SDK in your app, you add the library files that are bundled with the SDK to your Android Studio project.

1. Open your project in Android Studio.
2. Use a file browser to navigate to the folder containing the Samsung SDK
3. Open the add-on SDK folder, then open:
   • Docs > API Reference > index.html: to see what libraries and API methods are provided by the SDK
   • Libs folder: to copy the libraries you want to use in your app
4. In your Android Studio project, top-left drop-down menu, change the Android view to Project
5. Right-click your app’s libs directory and select Paste
6. In the Copy dialog, click OK to paste the copied files into your project
7. The libraries now appear in your project under the libs folder
8. Right-click the libraries and select Add As Library.
9. Select the module to add the library to. If your app contains several modules, ensure that you add the library to the appropriate module. Click OK.Your project now includes the SDK you downloaded.

Running the App

Android Studio provides two ways to compile and test your app:- On an Android Virtual Device (AVD)- On a physical Samsung deviceTo run your app:

1. Plug your Samsung mobile device into your computer using a USB cable
2. If you are using a Windows computer, go to Samsung Android USB Driver for Windows, then download and install the USB driver onto your computer
3. Enable developer options on your device by going to Settings > About device > Software info and tapping Build number seven times. (Devices with Android 4.1 or older already have developer options displayed by default.)
4. Turn on USB debugging by tapping Settings > Developer options > USB debugging

If My Knox is installed, USB debugging is grayed out; try using another device.

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5. In Android Studio, with your project open, click Run > Run 'app' (or press Shift + F10)
6. Select the device you want run the app on, under either Connected Devices or Available Emulators

Running a sample app

The sample apps are in the Samples folder of the SDK you downloaded.To run a sample app:

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1. Open Android Studio
2. In the top navigation menu, select File > Open
3. Navigate to the sample app directory in the SDK you downloaded
4. Click OK to import the file to your project