Android – Could not download kotlin-compiler-embeddable.jar

Easiest ways ever:

Update added for Android Studio V 2.2 in last step

There are two ways to do this.

1. Faster way:

1. Open Android Studio
2. Open your Project
3. Click on Gradle (From Right Side Panel, you will see Gradle Bar)
4. Click on Refresh (Click on Refresh from Gradle Bar, you will see List Gradle scripts of your Project)
5. Click on Your Project (Your Project Name form List (root))
6. Click on Tasks
7. Click on Android
8. Double Click on signingReport (You will get SHA1 and MD5 in Run Bar(Sometimes it will be in Gradle Console))
9. Select app module from module selection dropdown to run or debug your application

Check the screenshot below:

2. Work with Google Maps Activity:

1. Open Android Studio
2. Open Your Project
3. Click on File menu -> Select New -> Click on Google -> Select Google Maps Activity
4. A dialog would appear -> Click on Finish
5. Android Studio would automatically generate an XML file named with google_maps_api.xml
6. You would get debug SHA1 key here (at line number 10 of the XML file)

Check Screenshot below:

Android Studio V 2.2 Update

There is an issue with Execution.

Solution:

• Click on Toggle tasks execution/text mode from Run bar

Check Screenshot below:

Done.

replace

implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"

with

implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

Since the version with jre is absolute , just replace and sync the project

Official Documentation here Thanks for the link @ ROMANARMY