see 07/18 log

build.gradle

@@ -8,6 +8,7 @@ buildscript {
 
     dependencies {
         classpath depConfig.gradle
+//        classpath depConfig.kotlin_gradle_plugin
     }
 }
 

config.gradle

@@ -25,22 +25,23 @@ ext {
     ]
 
     depConfig = [
-            gradle     : "com.android.tools.build:gradle:$versionConfig.gradle",
-            kotlin     : "org.jetbrains.kotlin:kotlin-gradle-plugin:$versionConfig.kotlin",
+            gradle              : "com.android.tools.build:gradle:$versionConfig.gradle",
+            kotlin_gradle_plugin: "org.jetbrains.kotlin:kotlin-gradle-plugin:$versionConfig.kotlin",
 
-            support    : [
+            support             : [
                     appcompat_v7: "com.android.support:appcompat-v7:$versionConfig.support",
                     design      : "com.android.support:design:$versionConfig.support",
             ],
-            leakcanary : [
+            kotlin_stdlib_jdk7  : "org.jetbrains.kotlin:kotlin-stdlib-jdk7",
+            leakcanary          : [
                     android      : "com.squareup.leakcanary:leakcanary-android:$versionConfig.leakcanary",
                     android_no_op: "com.squareup.leakcanary:leakcanary-android-no-op:$versionConfig.leakcanary",
             ],
-            gson       : "com.google.code.gson:gson:$versionConfig.gson",
-            glide      : "com.github.bumptech.glide:glide:$versionConfig.glide",
+            gson                : "com.google.code.gson:gson:$versionConfig.gson",
+            glide               : "com.github.bumptech.glide:glide:$versionConfig.glide",
 
-            junit      : "junit:junit:$versionConfig.junit",
-            robolectric: "org.robolectric:robolectric:$versionConfig.robolectric",
+            junit               : "junit:junit:$versionConfig.junit",
+            robolectric         : "org.robolectric:robolectric:$versionConfig.robolectric",
     ]
 
     configAndroidDomain = this.&configAndroidDomain

utilcode/src/main/java/com/blankj/utilcode/util/NetworkUtils.java

@@ -206,16 +206,8 @@ public final class NetworkUtils {
     public static void setWifiEnabled(final boolean enabled) {
         @SuppressLint("WifiManagerLeak")
         WifiManager manager = (WifiManager) Utils.getApp().getSystemService(Context.WIFI_SERVICE);
-        if (manager == null) return;
-        if (enabled) {
-            if (!manager.isWifiEnabled()) {
-                manager.setWifiEnabled(true);
-            }
-        } else {
-            if (manager.isWifiEnabled()) {
-                manager.setWifiEnabled(false);
-            }
-        }
+        if (manager == null || enabled == manager.isWifiEnabled()) return;
+        manager.setWifiEnabled(enabled);
     }
 
     /**