Order is now getting saved properly

Also enabled Java 8

app/build.gradle

@@ -10,6 +10,9 @@ android {
         targetSdkVersion 24
         versionCode 1
         versionName "1.0"
+        jackOptions {
+            enabled true
+        }
     }
     buildTypes {
         release {
@@ -17,6 +20,10 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    compileOptions {
+        targetCompatibility 1.8
+        sourceCompatibility 1.8
+    }
 }