Explain about Android SDK manager and SDK tools

It is unlikely that you need to install Android SDK. That's why the name-Software Development Kit is right. It's designed for people who write Android apps and need support from a computer to work with Android.
But those tools can also be useful for folks who want to do some more advanced things. Stuff like installing software manually, or rooting your phone. Fastboot and ADB are essential to the Android program if you're into hacking. Moreover, Google offers this to anyone free of charge.

To more information visit:android development course

Software development kit
SDK stands for Software Development Kit, a collection of required software tools. SDK essentially helps Android update tools and recent Android updates. Every time a new version of Android is released, a corresponding SDK is released along with it. The developers will add this SDK to the computers.
What is an SDK manager?
A Software Development Kit is a set of tools available for Android app development. It also means App development progress goes as flat as pancakes. Whatever language we're using, you need SDK. These
days, Android SDK comes bundled in Android Lab. The software, frameworks and other elements are divided into packages by an Android SDK. You can download those from SDK Manager. Android SDK Manager comes with a package of Android SDKs and can not be downloaded separately.
Install SDK manager first.
● You should seek next to Start SDK Manager.
● Double-click the SDK Manager.exe file found at the root of the SDK directory for Android on Windows.
● Open the terminal on Linux and navigate to the software called directory / then run SDK.
● The SDK Manager is the following, so you can pick and install the required packages here.
● Once you've got SDK open, you 're going to have different packages and here are the ones we suggest you try.

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You need to speak about the resources needed for the development of Android Applications and also mentioned steps to configure those tools on our device. Now let us shed some light on the Android SDK manager in this tutorial, how important it is for Android Application Development and what packages
you need to download to get started with the development of Android Apps.
Android SDK manager
To keep your development environment up-to-date, the Android SDK Manager manages various Android SDK versions, tools and various other useful packages that you can select and download.
Generally speaking, when you start the Android Studio for the first time, the Android SDK Manager window will be opened to prompt you to install the packages required for the development of Android.

But if that doesn't happen, you can open the SDK Manager by going to the Android SDK Manager Tools or by clicking the Android Studio toolbar icon on the Open SDK Manager icon.
Launch SDK manager
Launch your SDK Manager, and you will see a list of things currently installed. This will also list all available new items & Updates for already installed products for your device. You can check the required Build tools, SDK Tools, Platform Tools, SDK Platforms, SDK Samples, System Images (for AVD),
Documentations, Android SDK Sources, and Extra Packages for your development from here. To access the packages, it needs internet connection (most of them are large), so make sure you have one.
SDK tools
SDK Tools and Build Tools include packages to build your Android Application, as well as several Google updates / patches to improve the development of your application.
You need to download additional packages from the SDK Platforms section for specified Android API level (version). You can easily understand the Level / Android version of the API you want to use, as there is a list of names specified for versions of Android, you just need to pick one and click OK. In the
previous image, you can see some API level 22 packages that we have installed on our device, and Update is available for that as well. So let's see what applications we need to install on our machine:
SDK Framework:
The Android SDK platform contains packages / libraries for specific versions to create & build Android Application. SDK Framework is used to compile the Application against a particular version, to load specific widgets, views and compilation tools. So whenever you want to download packages for any new version of Android, such as 8.0 or 7.0, always select and download SDK Platform.
System Image:
To create an AVD (Android Virtual Device) for any specific API, you should download a System Image (32-bit or 64-bit OS) as per your system type. Separate images are required for Android Smartphone,
Wear & TV, and are also available for download. If your application works with certain play-service apps like Google MAPs and all of them, then you need to download the Google API Device Picture as well to check your application with them.
Free Packages:
Samples for SDK, Android SDK Sources & API-level documentation are available. SDK manager also helps you to download a few samples for any given SDK framework and API level source. If there is Documentation, you can access the documentation for that API level which contains details about
different classes and methods. If you need them, you can't select them for download.

Scroll down to SDK Manager and you will see the Extras section, which includes additional packages / libraries / services that are needed / helpful to create applications. If you think you need some you can access. Then advise you to disregard them from now.
Let us hope you've found the software and services you need to use, press OK or Download. This will open a different window as shown in the image below, select the Approve License radio button and then click the Install Packages button in the lower right corner of the SDK Manager window to start downloading your selected packages. So be patient the installation should take time. Once all packages are installed in your device, you will be asked to reboot the ADB, press YES for it.
Accepts Program License in SDK Administrator
All this applies to the SDK Manager. In a line:
It lets you download your Application Development Tools and Packages required for Android Version
How to connect sites to SDK Tools?
Go to the SDK update sites tab in the Android Studio to monitor the sites used by an SDK manager to search Android apps or the third party app updates. Sites can also be added to retrieve the packages from them manually.
● Follow the steps below to link a site to Android SDK manager.
● Tap the Download Sites to SDK.
● Click on + Add button to the window at the bottom.
● Type the site name and URL, and then press OK.
● Check the Activated column in the checkbox.
● Click the Activate button, or OK button.
SDK-manager proxy
When you are using the Android SDK Manager, it automatically checks the available packages and shows them. By default, it'll search the Android Repository and Third Party Add-ons packages. To use a proxy manually, please see the steps below:
1. Switch to "The Tools"
2. SDK Administrator pick
3. Choose Apache Proxy
4. This is the screen which is required. You should join the proxy and link it here, and then run the SDK Manager.

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Conclusion
I hope you reach to a conclusion about Android SDK. You can learn more through android online training.

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