Updated Gradle and cleaned up to get ready for M

.gitignore

@@ -1,19 +1,62 @@
-bin
-.settings
+
+# Created by https://www.gitignore.io/api/android
+
+### Android ###
+# Built application files
+*.apk
+*.ap_
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
 local.properties
-gen
-.gradle
-build
-.DS_Store
-gradle
-gradlew
-gradlew.bat
 
-.project
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
 
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# Intellij
+*.iml
 .idea/workspace.xml
 .idea/tasks.xml
-.idea/uiDesigner.xml
+.idea/gradle.xml
 .idea/libraries
-*.jar
-*/lib
+
+# Keystore files
+*.jks
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+### Android Patch ###
+gen-external-apklibs
+
+# End of https://www.gitignore.io/api/android
+
+gradle
+gradlew
+gradlew.bat

XVoicePlus.iml

@@ -1,13 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
+<module external.linked.project.id="XVoicePlus" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="java-gradle" name="Java-Gradle">
+      <configuration>
+        <option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/build" />
+        <option name="BUILDABLE" value="false" />
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/.gradle" />
-      <excludeFolder url="file://$MODULE_DIR$/build" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
-</module>
-
+</module>