Grant Execute Permission on Gradle Folder
To run Simulink® models on your Android® device, you must grant execute permission on the gradle
            folder located inside the installation folder of Android Studio.
To grant execute permission on a Mac:
- Open the Mac terminal window. 
- In the terminal, navigate to the - gradlefolder, which is located inside the Android Studio installation folder on your computer. For example,- cd /Applications/Android Studio.app/Contents/gradle
- Type - chmod -R +x *. This command adds execute permission to all files and folders inside the- gradlefolder.
To grant execute permission in Windows®:
- Open Windows Explorer and right-click the - gradlefolder, which is located inside the Android Studio installation folder on your computer.
- Select Properties. In the gradle Properties window, click the Security tab. 
- To change the permissions, click Edit. 
- From the Group or user names box, select your group or user name. 
- From the Permissions for <User or Group> box, select the Allow option for Read & execute permission. 
- Click Apply. Click OK to close the dialog box.