Fix typo

Author: x7c1

StudyplusAndroidSDK/gradle.properties.example

@@ -5,4 +5,4 @@ signing.secretKeyRingFile=__your_value__
 sonatypeUsername=__your_value__
 sonatypePassword=__your_value__
 
-debugApiEndPoint = __your_value__
+debugApiEndpoint = __your_value__

StudyplusAndroidSDK/gradle/build.values.gradle

@@ -1,5 +1,5 @@
 
-def apiEndPoint = {
+def apiEndpoint = {
     def debugTasks = [
         ':SDKExample:assembleDevelopmentDebug',
     ]
@@ -9,7 +9,7 @@ def apiEndPoint = {
         }
     }
     if (isCurrentTaskForDebug()){
-        project.properties.debugApiEndPoint
+        project.properties.debugApiEndpoint
     } else {
         "https://external-api.studyplus.jp"
     }
@@ -18,13 +18,13 @@ def apiEndPoint = {
 android{
     def quote = { '"' + it + '"' }
     release {
-        buildConfigField "String", "API_ENDPOINT", quote(apiEndPoint())
+        buildConfigField "String", "API_ENDPOINT", quote(apiEndpoint())
     }
     /**
      * CAUTION: this debug `buildConfigField` does NOT work!
      * rf. https://code.google.com/p/android/issues/detail?id=52962
      */
     debug {
-        buildConfigField "String", "API_ENDPOINT", quote(project.properties.debugApiEndPoint)
+        buildConfigField "String", "API_ENDPOINT", quote(project.properties.debugApiEndpoint)
     }
 }