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Android Studio 2.3 --> Configure -> SDK Manager. These tabs are grayed out: SDK Tools, SDK Update Sites. Also, checkbox "Show Package Details" is grayed. The system updates normally. There are no error messages.
I think this happened at some point with Studio 2.2. But the standalone SDK manager, which has been deprecated with 2.3, always worked. With 2.3, I can update what is there, but I cannot install/delete packages.
I reviewed some of the previous reports of similar errors. I have tried:
Nothing makes any difference. The hardware is Intel Xeon 6 or 8 core /Windows 8.1, and Lenovo W520 quadcore running Windows 7. Behavior is identical with all the systems. Java is version 8/121.
Edit: It appears that there are two installations of the sdk, 1. in c:/Users/username/AppData/Local/Android/Sdk, size 1.42GB. 2. another in C:/Android/sdk, size 4.47GB
The sdk in "Local" is newer and smaller. The one in C: is older and larger.
While setting the location to c:/Users/username/AppData/Local/Android/Sdk allows the sdk manager to run, it leaves unexplained why the sdk manager wants to see the older installation.
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SDK Build Tools are not installed You look at the build tab at the bottom of the screen, it will display the error message and option to install the Build tools. Install it and you should be able to see the AVD Manager. Another way is to go to the SDK Manager. Under SDK Tools you will find the Android SDK Build tools.
To use the SDK Manager to install a version of the command-line tools, follow these steps: Download the latest "command line tools only" package from the Android Studio downloads page and unzip the package. Move the unzipped cmdline-tools directory into a new directory of your choice, such as android_sdk .
All of the packages are downloaded into your Android SDK directory, which you can locate as follows: In Android Studio, click File > Project Structure. Select SDK Location in the left pane. The path is shown under Android SDK location.
I think I have the answer. The Android Studio Bundle installer installs the sdk to C:/Android/sdk. But the first-run install wizard installs the sdk to c:/Users/username/AppData/Local/Android/Sdk.
On a clean install, the fix is to correct the first-run-wizard sdk path to C:/Android/sdk. The wizard provides a dialog box to do this. Do it before you click "continue", and everything is fine.
But this is a pretty massive error. Apparently, the developers rely on sophisticated tools, without bothering with a final end-to-end check.
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All you have to do is to click Edit and change Android SDK Location to: C:\Android\sdk or the hard disk you did the installation.
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