Reduce APK size further

app/build.gradle

@@ -6,22 +6,22 @@ android {
         applicationId "us.spotco.malwarescanner"
         minSdkVersion 16
         targetSdkVersion 26
-        versionCode 33
+        versionCode 35
         versionName "2.7"
+        resConfigs "en"
     }
     buildTypes {
         debug {
             applicationIdSuffix ".debug"
             minifyEnabled true
-            useProguard false
             zipAlignEnabled true
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            useProguard false
         }
         release {
             shrinkResources true
             minifyEnabled true
-            useProguard true
             zipAlignEnabled true
+            useProguard true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }

app/proguard-rules.pro

@@ -19,3 +19,5 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+
+-optimizationpasses 3

app/src/main/res/values/strings.xml

@@ -17,5 +17,4 @@
     <string name="lblNotificationRealtimeText">Malware will be detected in realtime</string>
     <string name="lblNotificationRealtimeDetection">Malware Detected:</string>
     <string name="lblRealtimeScannerToggle">Realtime Scanner</string>
-
 </resources>