Error when run Android studio IDE

Question

When I launch Android studio I encounter this Error:

enter image description here

    The following SDK components were not installed: build-tools-21.1.1, source-21, sys-img-x86-addon-google_apis-google-21, 
    extra-android-m2repository, android-21, extra-google-m2repository, addon-google_apis-google-21, tools, platform-tools

And when I click retry, it gives me the same error:

enter image description here

I download full sdk pack from this site and again download android studio without sdk and when install this version of android studio I set sdk path it and run it but when run emulator is very slow and I can't install api24 when I want install it occur error! I download sdk package from http://goo.gl/HpHozj . You can view details in image in that page. — Farshid Shekari, Dec 24 '14 at 09:13
Hi @Farshid, Did you find a solution for this problem finally? — Ali Rasoulian, Dec 25 '14 at 13:24
The team working on Android Studio are busy enjoying Free Snacks. — Muhammad Babar, Feb 03 '15 at 13:13
possible duplicate of [Android Studio doesn't start, fails saying components not installed](http://stackoverflow.com/questions/27376465/android-studio-doesnt-start-fails-saying-components-not-installed) — Dheeraj Vepakomma, Jun 17 '15 at 08:58

Erfan Jazeb Nikoo · Accepted Answer · 2018-07-10T10:18:44.880

18

Configure a proxy for Android studio by modifying other.xml file at:

C:\Users\"Your account"\.AndroidStudio\config\options\other.xml

Then change the proxy configurations as follows:

<option name="USE_HTTP_PROXY" value="true" />
<option name="USE_PROXY_PAC" value="false" />
<option name="PROXY_HOST" value="your_proxy_server" />
<option name="PROXY_PORT" value="your_proxy_port" />

edited Jul 10 '18 at 10:18

answered Dec 22 '14 at 16:39

Erfan Jazeb Nikoo

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This solved the first part of my problem which was that it couldn't install `tools and extra-android m2repository`, then after that I had the same error but for `build-tools-21.1.1` which I solved using Alexander Prokofyev's solution. – Charles Clayton Jan 08 '15 at 17:02
it worked for me. Thanks :) I think android studio should ask for proxy settings at start if it is unable to connect to internet – Abdul Rauf Mar 12 '15 at 05:03

abmousavi · Answer 2 · 2016-01-25T11:29:38.927

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code.google.com/p/android/issues/detail?id=82789

download build-tools21.1.1 google link or dehkadeco.ir link
sdk will be located under C:\Users\<>\AppData\Local\Android\sdk.
You may find that 21.1.2 is already in place C:\Users\<>\AppData\Local\Android\sdk\build-tools Create a folder with name "21.1.1" under this.
Copy all the files from the downloaded build-tools:21.1.1 under android-5.0 to C:\Users\<>\AppData\Local\Android\sdk\build-tools\21.1.1
Start the Android studio now.

edited Jan 25 '16 at 11:29

answered Dec 28 '14 at 06:41

abmousavi

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I had this problem too and solved it this way, but I had to use Erfan Jazeb Nikoo's method first for the first set of problems. Then I got different errors and solved it this way. – Charles Clayton Jan 08 '15 at 17:13
This worked for me. But then Google, shouldn't it just work? Even in offline mode... – lppier Mar 26 '15 at 07:47

score 3 · Answer 3 · answered Dec 24 '14 at 16:08

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Try to rename folder 21.1.2 inside Android SDK build-tools folder (in my case it was c:\Users\prokofyev\AppData\Local\Android\sdk\build-tools\21.1.2) to android-5.0 (in my case it became c:\Users\prokofyev\AppData\Local\Android\sdk\build-tools\android-5.0). This way I fixed similar error on new Android Studio installation.

answered Dec 24 '14 at 16:08

Alexander Prokofyev

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First I had to do what Erfan Jazeb Nikboo suggested, then I think I had the same problem as you. In the application I was told that it couldn't download build-tools 21.1.1, but inside build-tools I had folder 21.1.2. I downloaded 21.1.1 from here: http://downloads.puresoftware.org/files/android/build-tools/ and put it in build-tools with and named the folder 21.1.1 and that solved my problems. – Charles Clayton Jan 08 '15 at 17:00
To clarify, when you download the build-tools-21.1.1.zip file, it actually contains a folder named "android-5.0", rather than "21.1.1" as you might expect. I downloaded that, extracted it to the build-tools directory (so now I had both a "21.1.2" and a "android-5.0" directory, I hit "retry" on the error message and it succeeded. Although it finished with a new error "Unable to create a virtual device: Unable to create Android virtual device". – Triynko Feb 20 '15 at 01:49

Carbine · Answer 4 · 2015-01-29T06:43:09.143

Android Studio was not able to connect to internet in my work PC due to Intranet Proxy/Firewall settings, changing the proxy settings didnt help me either.

Android studio was failing to run as it requires to install the above mentioned packages. As a work around I installed the packages from Android SDK Manager and it solved it.

You can find the SDK Manager under C:\Users\< UserName> \AppData\Local\Android\sdk\SDK Manager.exe In the GUI choose the following options whichever is relavant.

Tools->All Android SDK Build-tools and SDK Platform-tools under version 21.*
Everything under Android 5.0.1(API 21)
Everything under Extras

After installation is complete try launching the Android Studio

score 1 · Answer 5 · edited Jul 24 '15 at 13:29

1

Some tools are missing.

Download build-tools_r21.1.1-windows.zip and unzip it. Run Android Studio again.

If you get similar error again Check this for missing android tools.

Enjoy coding..:)

edited Jul 24 '15 at 13:29

Hasan Fathi

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answered Dec 23 '14 at 22:31

Sabika Batool

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score 1 · Answer 6 · edited Jul 24 '15 at 13:18

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This usually happens when you can not download sdk from google, try to download it manually.

You can get the build you mentioned at google or bellow link:

this link

Unzip it in \sdk\build-tools

edited Jul 24 '15 at 13:18

Hasan Fathi

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answered Feb 24 '15 at 12:00

Alireza Fattahi

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score 1 · Answer 7 · answered Mar 20 '15 at 05:44

Adding to answer by @Erfan , If you are using automatic configuration script instead of a proxy server , Change the settings as below :

C:\Users\"Your account".AndroidStudio\config\options\other.xml

Then change the line about proxy configurations like this:

<component name="HttpConfigurable">
        <option name="PROXY_TYPE_IS_SOCKS" value="false" />
        <option name="USE_HTTP_PROXY" value="false" />
        <option name="USE_PROXY_PAC" value="true" />
        <option name="PROXY_HOST" value="" />
        <option name="PROXY_PORT" value="80" />
        <option name="PROXY_AUTHENTICATION" value="true" />
        <option name="PROXY_LOGIN" value=" your User Name" />
        <option name="PROXY_PASSWORD_CRYPT" value=" Your Domain Password " />
        <option name="KEEP_PROXY_PASSWORD" value="false" />
        <option name="myGenericPasswords">
          <map />
        </option>
        <option name="myGenericCancelled">
          <set />
        </option>
        <option name="PROXY_EXCEPTIONS" value="" />
        <option name="USE_PAC_URL" value="true" />
        <option name="PAC_URL" value=" Put Pac Url Here mentioned in Auto Config Script " />
      </component>

Aji · Answer 8 · 2015-03-27T09:24:47.887

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I had the same problem, But when I opened the studio "as administrator" error has gone!!! And my problem solved!!!! In my case I have installed the sdk in different location since I don't want install anything on my user folder.

enter image description here

There is one more thing I have done that is I made the folder as writable from read access. (But I don't think this step is necessary)

edited Mar 27 '15 at 09:24

answered Mar 27 '15 at 09:12

Aji

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score 0 · Answer 9 · edited Jul 24 '15 at 13:30

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download build-tools:21.1.1 from build-tools_r21.1.1-windows.zip

and unzip, it will extract the entire folder to copy or move your sdk /build-tools folder. name folder must be build-tools_21.1.1

edited Jul 24 '15 at 13:30

Hasan Fathi

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answered Dec 22 '14 at 14:51

M.K

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I can't understand your answer – Farshid Shekari Dec 22 '14 at 15:04
The following SDK components were not installed: build-tools-21.1.1.this error means you don't download sdk commponents. So at the first you must download build-tools:21.1.1 package from http://dl-ssl.google.com/android/repository/build-tools_r21.1.1-windows.zip. and goto sdk path and goto build-tools folder and unzip your package into build-tools-21.1.1 folder. – M.K Dec 23 '14 at 18:35

score 0 · Answer 10 · answered Jan 03 '15 at 19:24

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For Ubuntu users, check that the folder where the SDK will be installed has permissions.

answered Jan 03 '15 at 19:24

gonzalomelov

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rsano · Answer 11 · 2015-01-06T20:44:29.480

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I also had the same problem. See the picture below:

enter image description here

Solution: Run it as an administrator.

enter image description here

edited Jan 06 '15 at 20:44

answered Jan 06 '15 at 19:11

rsano

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If you look at to comments under question, I tested this way before but not worked! – Farshid Shekari Jan 06 '15 at 19:53
Oh, I'm sorry if I didn't read it. It might help those who are having the same error though. Anyway, it's been two weeks and you haven't solved it yet? Have you tried a clean installation? – rsano Jan 06 '15 at 20:41
I download sdk package from this site(ehsanavr.com) and I download a android studio without sdk and then I installed and now that's work but that's speed is slow! – Farshid Shekari Jan 06 '15 at 21:10

score 0 · Answer 12 · answered Feb 07 '15 at 15:00

If you are getting UnknownHostException the the problem lies in the proxy - click the close icon (the X in the upper right corner) and agree to start setup next time again. Then in the Studio itself go to Configure -> Settings -> search for proxy and set up your proxy (auto-detect or manual).

Running as administrator might help as well

Error when run Android studio IDE

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