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I am trying to build my first app with react-native.

I am following these 2 tutorial:

I am sure that I installed all the requirements from the second link but when I try running my app with react-native run-android, I get the following error:

Error

I executed this command while running genymotion.

This is all that I have installed in Android SDK:

enter image description here

enter image description here

I tried to install Android build tools 23.0.1 but I get this error:

enter image description here

What should I do?

Ronan Boiteau
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Polo D. Vargas
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16 Answers16

160

You should install Android SDK Build Tools 23.0.1 via Android SDK. Don't forget to check Show Packages Details.

Image

Pengguna
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138

I faced the same problem and I solved it doing the following:

Go to /home/[USER]/Android/Sdk/tools and execute:

$android list sdk -a

Which will show a list like:

  1. Android SDK Tools, revision 24.0.2
  2. Android SDK Platform-tools, revision 23.0.2
  3. Android SDK Platform-tools, revision 23.0.1

... and many more

Then, execute the command (attention! at your computer the third option may be different):

$android update sdk -a -u -t 3

It will install the 23.0.1 SDK Platform-tools components.

Try to build your project again.

Gustavo Soler
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    worked for me - android studio is installed at ~/Library/Android/sdk/tools on mac – w2bro Nov 20 '16 at 05:07
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    It installed `revision 25.0.1` not 23.0.1 – Lukas Liesis Dec 12 '16 at 12:02
  • @LukasLiesis From the first command `android list sdk -a` check what number 23.0.1 gets. It will change over time. Yesterday it was 12. So the install command was `android update sdk -a -u -t 12` – Manwe Dec 14 '16 at 06:26
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    @Manwe how can i get that number? P.s. already installed required version with sdk manager, but still, for future googlers :-) – Lukas Liesis Dec 14 '16 at 09:14
  • @LukasLiesis `android list sdk -a` lists a lot on the screen. Lines start with NUMBER- . It's one of those. Most likely 12 today. If you are a linux user you can find it with grep: `android list sdk -a | grep 23.0.1` – Manwe Dec 14 '16 at 09:30
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    Thanks, by the way ./android is deprecated, now in `/home/[USER]/Android/Sdk/tools/bin` you can run `./sdkmanager --list` to get the same result After that I fixed it by finding a build-tools version that was matching a version found in `sdk/extras/android/m2repository/com/android/support/appcompat-v7` – Alexandre Couret Aug 11 '17 at 15:42
  • You should do this by interface panel like @Dary explained bellow – Hanako Nov 19 '19 at 17:05
  • Updating for CLI use the parent directory of `tools` directory must be named as `cmdline-only`. The `tools` is the content downloadable from "Command line tools only" session in https://developer.android.com/studio?hl=pt-br#downloads. In case `sdkmanager` is in `/home/[USER]/Android/Sdk/cmdline-only/tools/bin` as this answer https://stackoverflow.com/a/49357554/5382576 – Enrique René Aug 09 '20 at 01:30
45

Either install v23.0.1 of the build tools (the fifth row in your screenshot), or change your code to use the build tools version you already have installed (v23.0.3). This can be specified in your app's build.gradle file:

android {
    compileSdkVersion 23
    buildToolsVersion "23.0.3"

    defaultConfig {
        ...
    }
}

As per duncanc4's comment below,

The build.gradle file you want to edit is in the android/app folder within your project directory.

Ronan Boiteau
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stkent
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  • i tried installing it but i get the error in the last image. How do i choose what build tool version to use? – Polo D. Vargas Apr 18 '16 at 00:37
  • He's using react-native, so i'm not sure how much access he's got to the build.gradle file. – Jonatan Collard Bovy Apr 18 '16 at 00:52
  • Interesting, the build is still obviously using gradle under the hood (see the terminal snapshot) so I would expect it to be hiding in there somewhere... – stkent Apr 18 '16 at 00:56
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    With **Android Studio 3.0.1** and **Gradle 4.3.1** there is no `buildToolsVersion` property, so I added it into `defaultConfig` (in the same file) and it stopped showing the error. – Juan De la Cruz Dec 07 '17 at 16:42
  • As of v3.0.0 of the Android Gradle plugin, the build tools version is automatically determined based on the plugin version (but can be overridden, I believe). – stkent Dec 07 '17 at 18:35
18

The error you're getting seems to be related to system's permissions, since it's not able to create a folder.

Try running the sdk-manager using root (with su or sudo commands).

Ronan Boiteau
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9

I had this error:

Failed to find Build Tools revision 23.0.2

When you got updated/installed:

  1. Android SDK Build Tools
  2. Android SDK Tools

Change version number in build.gradle

FROM

buildToolsVersion "23.0.2"

TO

buildToolsVersion "25.0.2"

How to find what Build Tools version you have

Ronan Boiteau
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Bampu
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8

Check your $ANDROID_HOME, sometimes is /usr/local/opt/android, but it's not your install sdk path, change it and fix this problem

xiongjiabin
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  • Thankyou so much. I've been going in circles for hours between `Failed to find Build Tools revision *.0.0` and `install build tools *.0.0 and sync project`. On Windows, I added ANDROID_HOME="C:\Users\Administrator\AppData\Local\Android\sdk" as a system variable. Finally works. – Addison Jan 07 '17 at 14:23
7

Nothing helped until I found this solution : https://stackoverflow.com/a/39068538/3995091

In Android SDK, the build tools with the correct version where shown as installed, but still I got the same error saying they couldn't be found. When I used the above solution, I found out they were indeed not installed, although Android SDK thought they were. Installing them solved it for me.

Community
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Aymeric Bouzy aybbyk
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6

While running react-native In case you have installed 23.0.3 and it is asking for 23.0.1 simply in your application project directory. Open anroid/app/build.gradle and change buildToolsVersion "23.0.3"

enter image description here

owais
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2

In the Gradle Console (link available in the window bottom right), you have two tabs: the error is shown in Gradle Build tab. Click on the Gradle Sync tab, then click on the Install Build Tools XX.X.X and sync project link. This will download the build version required by your project.

You may also change your project SDK version but you don't always have this option if it is imposed.

Futal
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2

If you already install the correct Android SDK Platform-Tools (Build Tool) and you still get an error, try to invalidate the cache; File -> Invalidate caches / Restart....

Waqleh
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0

On my system, Android SDK Manager showed /usr/local/Cellar/android-sdk as the SDK path, when $ANDROID_HOME was /Users/james/Library/Android/sdk. I just added a symlink for the correct build tools version.

noɥʇʎԀʎzɐɹƆ
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0

Two solutions: You have to instal the required buildToolVersion or set it as described above.
Notice that if you are trying to set the buildToolsVersion "23.0.3" using Android Studio 3.0 or more it won't work until you remove all builversion you have keeping just one last version you use. I read this somewhere else and this works for me. Hope this helps.

Hanako
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0

As the error says Failed to find build Tools revision 23.0.1 This means that in your project you have used buildToolsVersion "23.0.3" So,You need to download the exact same version this makes the error disappear

**Step 1:**
GO to Tools and click SDK Manager
**Step 2:**
you can see SDK Platforms ,SDK Tools and SDK update Sites
**Step3:**
Click SDK Tools and click show package details
**Step 4:**
Select the version that you have mentioned in your Project 

These Steps has solved my issue.
0

If anyone can't build their downloaded source code (probably google codelabs source code) with Android Studio, try simply remove the buildToolsVersion from the build.gradle file, and Android Studio will build the project with it's default latest buildToolVersion

¯_(ツ)_/¯

theapache64
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Each version of the Android Gradle Plugin now has a default version of the build tools.

So, probably you specified build tool version explicitly in the build file.
Just remove buildToolsVersion = "x.y.z" from your build.gradle script.

If, for some reason, you need that specific revision, follow the other answer.

Mahozad
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-3

Just install it from Android Studio ;) enter image description here