Android studio command line install

Install Android Development Tools

Before You Begin

This 15-minute tutorial shows you how to install Android Studio, which includes the Android SDK, and create an Android Virtual Device (AVD) on which you install an Oracle JavaScript Extension Toolkit (Oracle JET) hybrid mobile application during a later tutorial. The time to complete doesn’t include processing time as a result of your activities.

Background

The Oracle JET command-line interface invokes the Android SDK that you install with Android Studio to build an Android application package (APK) file from the source files of your hybrid mobile application. This APK file is installed on an AVD to enable you to test the hybrid mobile application.

What Do You Need?

• A computer that meets the system requirements to install Android Studio. See System requirements at https://developer.android.com/studio/

Install and Set Up Android Studio

Depending on the operating system of your computer, the Android Studio installation wizard prompts you with dialogs where you choose between standard or custom install types. Choose the options recommended by the Android Studio installation wizard as these options include the components that you require to create and install a hybrid mobile application on an AVD. They also include an Android emulator and an emulator accelerator appropriate for your computer, be that Windows, Mac, or Linux.

1. Go to the Download page for Android Studio on the Android Developer’s website at https://developer.android.com/studio/ and click DOWNLOAD ANDROID STUDIO.
2. Review and accept the terms and conditions in the Download Android Studio dialog that appears and click DOWNLOAD ANDROID STUDIO FOR PLATFORM where PLATFORM refers to the operating system of your machine, such as Windows, Mac, or Linux.
3. Go to the Install Android Studio guide at https://developer.android.com/studio/install and follow the instructions for your operating system to install and start Android Studio.
4. If you run Android Studio behind a firewall or secure network, an Android Studio First Run dialog appears which displays a button (Setup Proxy) that you click to enter the proxy server settings for your environment. This allows Android Studio to complete the download of the components for a standard install.
5. In the Welcome to Android Studio dialog, select Start a new Android Studio project, and then, in the Create New Project wizard, accept the default options to progress to the final screen in the wizard and click Finish.

This enables the Android Studio toolbar with the options that you need to create an AVD. It also downloads and configures the Gradle build tool that the Android SDK invokes to build the APK file when you complete the creation of your Oracle JET hybrid mobile application.

If you run Android Studio behind a firewall or secure network, a Proxy Settings dialog appears that enables you to configure proxy settings for the Gradle build tool that Android Studio downloads and configures. Provide the proxy settings for your environment to ensure that the Gradle build tool functions correctly.

Install an Android SDK Platform Package

1. In the Android Studio toolbar, click the SDK Manager icon () to open the Android SDK page in the Default Settings dialog.
2. In the SDK Platforms tab, select Android 8.0 (Oreo) with an API Level value of 26, and click Apply. Description of the illustration sdkmgrdialog.png
3. Click OK in the confirmation dialog that appears and accept the license agreement to proceed with the installation.
4. Once the installation completes, click Finish and then click OK to close the Default Settings dialog.

Create and Start an Android Virtual Device

1. In the Android Studio toolbar, click the AVD Manager icon ( ) and click Create Virtual Device in the Android Virtual Device Manager dialog that opens.
2. In the Phone category of the Choose a device definition page of the Virtual Device Configuration dialog, select Nexus 5X and click Next.
3. In the Recommended tab of the Select a system image page, click Download for the Oreo entry with an API Level of 26. Description of the illustration downloadoreo.png The SDK Quickfix Installation wizard opens.
4. Accept the license agreement to proceed with the download of the system image for Android 8.0 with API Level 26. Once the installation completes, click Finish and then click Next in the Select a system page.
5. In the Verify Configuration page, review and accept the default settings such as the AVD Name value of Nexus 5X API 26, then click Finish.
6. In the Android Virtual Device Manager dialog, click the Launch this AVD in the emulator icon () under the Actions column for the newly-created Nexus 5X API 26 AVD.

The Android emulator starts and loads the Nexus 5X API 26 AVD. A toolbar appears to the right of the AVD that provides UI controls to interact with the AVD.

Description of the illustration sdkmgrdialog.png

Install the Java SE Development Kit 8

1. Go to the Java SE Development Kit 8 Downloads page at http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html, accept the license agreement, and download the Java SE Development Kit installation file for your platform.
2. Follow the JDK installation instructions for your platform at https://docs.oracle.com/javase/8/docs/technotes/guides/install/toc.html.

Create Environment Variables

To function correctly, the Apache Cordova command-line interface that the Oracle JET command-line interface communicates with requires that you configure environment variables. These environment variables reference the installation location of the Android SDK that is installed by Android Studio and the Java SE Development Kit 8.

1. For Windows.
   • Open the Environment Variables dialog from the System Properties dialog by navigating Control Panel >System and Security >System >Advanced System Settings >Environment Variables.
   • Click New in the Environment Variables dialog and set the values of the variables to the location of the JDK and Android SDK locations, as shown in the following image. You can obtain the Android SDK location from the Android SDK page of the Default Settings dialog that you access in Android Studio by clicking Tools >SDK Manager. Description of the illustration envvar.png
2. For Mac and Linux-type systems, the settings depend upon your default shell. For example, on a Mac system using the Bash shell, add the following lines in

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Install and configure the NDK and CMake

To compile and debug native code for your app, you need the following components:

• The Android Native Development Kit (NDK): a set of tools that allows you to use C and C++ code with Android.
• CMake: an external build tool that works alongside Gradle to build your native library. You do not need this component if you only plan to use ndk-build.
• LLDB: the debugger Android Studio uses to debug native code. By default, LLDB will be installed alongside Android Studio.

This page describes how to install these components automatically, or by using Android Studio or the sdkmanager tool to download and install them manually.

Install NDK and CMake automatically

Android Gradle Plugin 4.2.0+ can automatically install the required NDK and CMake the first time you build your project if their licenses have been accepted in advance. If you’ve already read and agree to the license terms, then you can pre-accept the licenses in scripts with the following command:

Install the NDK and CMake

When you install the NDK, Android Studio selects the latest available NDK. For most projects, installing this default version of the NDK is sufficient. If your project needs one or more specific versions of the NDK, though, you can download and configure specific versions. Doing so helps you ensure reproducible builds across projects that each depend on a specific version of the NDK. Android Studio installs all versions of the NDK in the android-sdk /ndk/ directory.

To install CMake and the default NDK in Android Studio, do the following:

With a project open, click Tools > SDK Manager.

Click the SDK Tools tab.

Select the NDK (Side by side) and CMake checkboxes.

Figure 1: The SDK Tools window showing the NDK (Side by side) option

Click OK.

A dialog box tells you how much space the NDK package consumes on disk.

Click OK.

When the installation is complete, click Finish.

Your project automatically syncs the build file and performs a build. Resolve any errors that occur.

Configure a specific version of CMake

The SDK Manager includes the 3.6.0 forked version of CMake and version 3.10.2. Projects that don’t set a specific CMake version are built with CMake 3.10.2. To set the CMake version, add the following to your module’s build.gradle file:

Groovy

Kotlin

If you want to use a CMake version that is not included by the SDK Manager, follow these steps:

1. Download and install CMake from the official CMake website.
2. Specify the CMake version you want Gradle to use in your module’s build.gradle file.

Either add the path to the CMake installation to your PATH environment variable or include it in your project’s local.properties file, as shown. If Gradle is unable to find the version of CMake you specified in your build.gradle file, you get a build error.

If you don’t already have the Ninja build system installed on your workstation, go to the official Ninja website, and download and install the latest version of Ninja available for your OS. Make sure to also add the path to the Ninja installation to your PATH environment variable.

Install a specific version of the NDK

To install a specific version of the NDK, do the following:

With a project open, click Tools > SDK Manager.

Click the SDK Tools tab.

Select the Show Package Details checkbox.

Select the NDK (Side by side) checkbox and the checkboxes below it that correspond to the NDK versions you want to install. Android Studio installs all versions of the NDK in the android-sdk /ndk/ directory.

Figure 2: The SDK Tools window showing the NDK (Side by side) options

Click OK.

A dialog box tells you how much space the NDK package(s) consumes.

Click OK.

When the installation is complete, click Finish.

Your project automatically syncs the build file and performs a build. Resolve any errors that occur.

Configure each module with the version of the NDK you want it to use. When using Android Studio 3.6 or higher, if you do not specify the version, the Android Gradle plugin chooses a version that it is known to be compatible with.

Configure specific versions of the NDK in your project

You may need to configure the version of the NDK in your project if one of the following is true:

Your project is inherited and you need to use specific versions of the NDK and the Android Gradle plugin (AGP). For more information, see Configure the NDK for the Android Gradle plugin.

You have multiple versions of the NDK installed and you want to use a specific one. In this case, specify the version using the android.ndkVersion property in the module’s build.gradle file, as shown in the following code sample.

Groovy

Kotlin

Default NDK version per AGP version

Before release, each AGP version is thoroughly tested with the latest stable NDK release at that time. For AGP version 3.6 and above, that NDK version will be used to build your projects if you do NOT specify an NDK version in the build.gradle file. The default NDK version is documented inside the AGP release notes. The current default NDK versions are listed in the following table:

Android Studio/Gradle Plugin Version
7.0	4.2	4.1	4.0	3.6	3.5	3.4
Default NDK version specified for the version of AGP	21.4.7075529	21.4.7075529	21.1.6352462	21.0.6113669	20.0.5594570	No default specified

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