opt

Author: LightSun

Drag-FlowLayout/app/build.gradle

@@ -1,4 +1,5 @@
 apply plugin: 'com.android.application'
+//apply plugin: 'com.jakewharton.butterknife'
 
 android {
     compileSdkVersion 28
@@ -10,6 +11,12 @@ android {
         targetSdkVersion 28
         versionCode 1
         versionName "1.0"
+
+        javaCompileOptions {
+            annotationProcessorOptions {
+                includeCompileClasspath = true
+            }
+        }
     }
     buildTypes {
         release {
@@ -33,8 +40,8 @@ dependencies {
    /* implementation ('com.heaven7.volley:volley_with_extra:1.0.1'){
         exclude group: 'com.android.support'
     }*/
-    implementation 'com.jakewharton:butterknife:10.0.0'
-    annotationProcessor 'com.jakewharton:butterknife:10.0.0'
+    implementation 'com.jakewharton:butterknife:10.2.1'
+    annotationProcessor 'com.jakewharton:butterknife-compiler:10.2.1'
 
     implementation('com.github.LightSun:util-v1:1.1.7-beta-x') {
         exclude group: 'com.android.support'

Drag-FlowLayout/build.gradle

@@ -3,11 +3,13 @@
 buildscript {
     repositories {
         google()
+        mavenCentral()
         jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.4.1'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
+       // classpath 'com.jakewharton:butterknife-gradle-plugin:10.2.1'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
         //jcenter
@@ -19,6 +21,7 @@ buildscript {
 allprojects {
     repositories {
         google()
+        mavenCentral()
         jcenter()
         maven { url "https://jitpack.io" }
     }

Drag-FlowLayout/gradle.properties

@@ -16,3 +16,6 @@
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
+
+android.useAndroidX=true
+android.enableJetifier=true