diff --git a/build.gradle b/build.gradle
index 5c53f25..1e12b2c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,6 +26,7 @@ task clean(type: Delete) {
 }
 
 ext {
+    ext.buildScriptsDir = "$rootDir/BuildScripts"
     versions = [
             compileSdk : 28,
             appcompat  : '1.0.2',
diff --git a/sample/build.gradle b/sample/build.gradle
index 744fac0..3ac53cf 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -14,9 +14,27 @@ android {
     }
 
     buildTypes {
-        release {
+        debug {
+            versionNameSuffix ".debug"
             minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            shrinkResources false
+        }
+        release {
+            minifyEnabled true
+            shrinkResources true
+        }
+    }
+
+    flavorDimensions "proguardSettings"
+
+    productFlavors {
+        noObfuscate {
+            dimension "proguardSettings"
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), "$buildScriptsDir/proguard/noObfuscate.pro"
+        }
+        obfuscate {
+            dimension "proguardSettings"
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), "$buildScriptsDir/proguard/obfuscate.pro"
         }
     }
 }
@@ -27,5 +45,4 @@ dependencies {
     implementation "androidx.appcompat:appcompat:$versions.appcompat"
 }
 
-ext.buildScriptsDir = "$rootDir/BuildScripts"
 apply from: "$buildScriptsDir/gradle/staticAnalysis.gradle"