Gradle config file for L version and old versions of android -

i'm trying create android app new material design theme , can't work on previous versions of android.

i cant find resource correct configuration.

this gradle file:

apply plugin: 'com.android.application' android {  buildtoolsversion '20'  defaultconfig {     applicationid "com.appname"     versioncode 1     versionname "1.0" } buildtypes {     release {         runproguard false         proguardfiles getdefaultproguardfile('proguard-android.txt'), 'proguard-rules.pro'     } }  productflavors {     l {         compilesdkversion 'android-l'         minsdkversion 'l'         targetsdkversion 'l'     }     old {         compilesdkversion 19         minsdkversion 11         targetsdkversion 19     } }  dependencies {     compile filetree(dir: 'libs', include: ['*.jar'])     compile 'com.android.support:support-v4:21.0.0-rc1' } 

}

the app crashes , cant find material design theme configuration (i've created theme in values-21 folder)

if can please me appreciate!

try this:

lpreview = hasproperty('lpreview')  apply plugin: 'android'   android {     compilesdkversion lpreview ? "android-l" : 19     buildtoolsversion "20"      productflavors { lpreview ? lpreview{} : classic{} }      defaultconfig lpreview ? {} : {         // non-l-preview configuration         minsdkversion 14         targetsdkversion 19     }    } dependencies {     //wearapp project(':wearable')     compile filetree(dir: 'libs', include: ['*.jar'])     //compile 'com.android.support:support-v4:21.0.0-rc1'     compile 'com.android.support:support-v4:20.+' }