Android 向けプラグインのスケルトンコードで発生するビルドエラーを修正。

Author: masaru-takano

modules/deviceconnect-codegen/src/main/java/org/deviceconnect/codegen/DConnectCodegen.java

@@ -185,7 +185,7 @@ public static void main(String[] args) {
             if (cmd.hasOption("r")) {
                 gradlePluginVersion = cmd.getOptionValue("r");
             } else {
-                gradlePluginVersion = "3.0.0";
+                gradlePluginVersion = "3.1.0";
             }
             clientOpts.getProperties().put("gradlePluginVersion", gradlePluginVersion);
 

samples/templates/deviceConnectAndroidPlugin/gradleFiles/3_x_x/plugin.build.gradle.mustache

@@ -21,6 +21,11 @@ android {
         versionCode 1
         versionName '1.0.0'
     }
+    
+    compileOptions {
+        sourceCompatibility 1.8
+        targetCompatibility 1.8
+    }
 
     signingConfigs {
         releaseConfig {