Problem Description:
When trying to install a newly created app the error appears in Run window and the app fails to install.
Failure [INSTALL_FAILED_OLDER_SDK]
Additional info:
This bug occurs when styles.xml contain:
<style name="AppTheme" parent="Theme.AppCompat.Light">
Fix:
Open build.gradle
Change from:
android {
compileSdkVersion 'android-L'
buildToolsVersion "20.0.0"
Change to:
compileSdkVersion 20
buildToolsVersion "20.0.0"
Re-run the project and it will work OK.