Failed to find target with hash string 'android-24'

There is no targetSdkVersion of 24, nor is there compileSdkVersion of 24, at this time. Those will be valid values (presumably) when the next version of Android ships.

For the N Developer Preview, based on my work over here, use:

• compileSdkVersion 'android-N'
• buildToolsVersion '24.0.0 rc1'
• targetSdkVersion 'N'

You also need Gradle 2.10 or higher (see your gradle/wrapper/gradle-wrapper.properties file or your standalone Gradle installation) and 'com.android.tools.build:gradle:2.1.0-alpha1' (see the top-level build.gradle file).

Worked for me: 1. Manual install missing platforms in SDK Manager 2. RESTART Android Studio

Following worked for me:

• Updated Android Studio to the latest
• Restart Android Studio
• AS provides options to install missing platform plugins
• Click and update.