Preparation for 3.0.0 release (#578)

- Change the groupId in preparation to google maven
- Update the README accordingly
- Update the dependent library versions
- Remove the obsolete plugins for publishing to maven
- Introduced maven pubilsher plugin (https://developer.android.com/studio/build/maven-publish-plugin) instead

Author: thagikura

README.md

@@ -10,17 +10,20 @@ Add the following dependency to your `build.gradle` file:
 
 ```
 dependencies {
-    implementation 'com.google.android:flexbox:2.0.1'
+    implementation 'com.google.android.flexbox:flexbox:3.0.0'
 }
 ```
 
-**Note that the default values for `alignItems` and `alignContent` for `FlexboxLayout` have been changed from `stretch` to `flex_start` starting from 2.0.0, it may break the existing apps.
-Please make sure to set `stretch` explicitly if you want to apply the behavior of `stretch`.**
+**Starting from 3.0.0, the groupId is changed to `com.google.android.flexbox` in preparation to uploading the artifacts to google maven.
+You can still download the artifacts from jcenter for the past versions with the prior groupId (`com.google.android`), but migrating the library 3.0.0 is recommended.**
 
+Note that the default values for `alignItems` and `alignContent` for `FlexboxLayout` have been changed from `stretch` to `flex_start` starting from 2.0.0, it may break the existing apps.
+Please make sure to set `stretch` explicitly if you want to apply the behavior of `stretch`.
 
-**Note that starting from 1.1.0, the library is expected to use with AndroidX. Please migrate to [AndroidX](https://developer.android.com/jetpack/androidx/migrate) if you use 1.1.0 or above.**
 
-**Please use 1.0.0 if you haven't migrated to AndroidX.**
+Note that starting from 1.1.0, the library is expeced to use with AndroidX. Please migrate to [AndroidX](https://developer.android.com/jetpack/androidx/migrate) if you use 1.1.0 or above.
+
+Please use 1.0.0 if you haven't migrated to AndroidX.
 
 
 # Usage

build.gradle

@@ -19,23 +19,21 @@
 buildscript {
     ext {
         minSdkVersion = 14
-        targetSdkVersion = 29
-        compileSdkVersion = 29
+        targetSdkVersion = 30
+        compileSdkVersion = 30
 
-        androidGradlePluginVersion = "3.5.2"
-        androidMavenGradlePluginVersion = "1.5"
-        androidxAnnotationVersion = "1.1.0"
-        androidxAppCompatVersion = "1.1.0"
-        androidxCoreVersion = "1.1.0"
-        androidxPreferenceVersion = "1.1.0"
-        androidxRecyclerViewVersion = "1.1.0"
-        androidxEspressoVersion = "3.2.0"
-        androidxTestExtVersion = "1.1.1"
-        androidxTestVersion = "1.2.0"
-        junitVersion = "4.12"
-        gradleBintrayPluginVersion = "1.6"
-        kotlinVersion = "1.3.61"
-        materialVersion = "1.0.0"
+        androidGradlePluginVersion = "4.2.0"
+        androidxAnnotationVersion = "1.2.0"
+        androidxAppCompatVersion = "1.2.0"
+        androidxCoreVersion = "1.3.2"
+        androidxPreferenceVersion = "1.1.1"
+        androidxRecyclerViewVersion = "1.2.0"
+        androidxEspressoVersion = "3.3.0"
+        androidxTestExtVersion = "1.1.2"
+        androidxTestVersion = "1.3.0"
+        junitVersion = "4.13.2"
+        kotlinVersion = "1.4.32"
+        materialVersion = "1.3.0"
     }
 
     repositories {
@@ -44,8 +42,6 @@ buildscript {
     }
     dependencies {
         classpath "com.android.tools.build:gradle:$androidGradlePluginVersion"
-        classpath "com.github.dcendents:android-maven-gradle-plugin:$androidMavenGradlePluginVersion"
-        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:$gradleBintrayPluginVersion"
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

demo-playground/build.gradle

@@ -40,6 +40,7 @@ android {
 
 dependencies {
     implementation project(":flexbox")
+    implementation "androidx.annotation:annotation:${rootProject.androidxAnnotationVersion}"
     implementation "androidx.appcompat:appcompat:${rootProject.androidxAppCompatVersion}"
     implementation "androidx.preference:preference:${rootProject.androidxPreferenceVersion}"
     implementation "com.google.android.material:material:${rootProject.materialVersion}"

flexbox/bintray.gradle

@@ -16,8 +16,7 @@
 
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
-apply from: 'maven.gradle'
-apply from: 'bintray.gradle'
+apply from: 'maven-puglisher-plugin.gradle'
 
 android {
     compileSdkVersion rootProject.ext.compileSdkVersion

flexbox/build.gradle

@@ -20,9 +20,9 @@ ext {
 
     githubUrl = 'https://github.com/google/flexbox-layout'
 
-    mavenGroup = 'com.google.android'
+    mavenGroup = 'com.google.android.flexbox'
     mavenArtifactId = 'flexbox'
-    mavenVersion = '2.0.1'
+    mavenVersion = '3.0.0'
 
     bintrayOrg = 'google'
 }

flexbox/constants.gradle

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2021 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+apply plugin: 'maven-publish'
+apply from: 'constants.gradle'
+
+afterEvaluate {
+
+    publishing {
+        publications {
+            release(MavenPublication) {
+                from components.release
+
+                groupId = "$mavenGroup"
+                artifactId = "$mavenArtifactId"
+                version = "$mavenVersion"
+
+                artifact androidSourcesJar
+
+                pom {
+                    name = "$projectName"
+                    description = "$projectDesc"
+                    licenses {
+                        license {
+                            name = 'The Apache Software License, Version 2.0'
+                            url = 'http://www.apache.org/licenses/LICENSE-2.0.txt'
+                            distribution = 'repo'
+                        }
+                    }
+                    developers {
+                        developer {
+                            name = 'Google'
+                        }
+                    }
+                    scm {
+                        connection = "${githubUrl}.git"
+                        url = githubUrl
+                    }
+                }
+            }
+        }
+    }
+}
+
+task androidSourcesJar(type: Jar) {
+    archiveClassifier.set('sources')
+    from android.sourceSets.main.java.srcDirs
+}

flexbox/maven-puglisher-plugin.gradle

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip