UPDATE: gradle version.

Author: JackyAndroid

app/build.gradle

@@ -3,7 +3,6 @@ apply plugin: 'kotlin-android'
 
 android {
     compileSdkVersion 24
-    buildToolsVersion "24.0.2"
 
     defaultConfig {
         applicationId "com.jacky.launcher"
@@ -49,8 +48,5 @@ dependencies {
     compile 'com.android.support:recyclerview-v7:24.2.0'
     compile 'com.android.support:cardview-v7:24.2.0'
     compile 'com.github.bumptech.glide:glide:3.4.+'
-    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
-}
-repositories {
-    mavenCentral()
-}
+//    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+}

build.gradle

@@ -1,21 +1,20 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.1.2-5'
+    ext.kotlin_version = '1.3.61'
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
     }
 }
 
 allprojects {
     repositories {
+        google()
         jcenter()
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Sep 05 19:36:23 CST 2016
+#Mon Mar 09 18:39:37 CST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip