fix: Fix build.gradle setup

android/build.gradle

@@ -1,159 +1,128 @@
-// android/build.gradle
-
-// based on:
-//
-// * https://github.com/facebook/react-native/blob/0.60-stable/template/android/build.gradle
-//   original location:
-//   - https://github.com/facebook/react-native/blob/0.58-stable/local-cli/templates/HelloWorld/android/build.gradle
-//
-// * https://github.com/facebook/react-native/blob/0.60-stable/template/android/app/build.gradle
-//   original location:
-//   - https://github.com/facebook/react-native/blob/0.58-stable/local-cli/templates/HelloWorld/android/app/build.gradle
-
-def DEFAULT_COMPILE_SDK_VERSION = 29
-def DEFAULT_BUILD_TOOLS_VERSION = '29.0.2'
-def DEFAULT_MIN_SDK_VERSION = 16
-def DEFAULT_TARGET_SDK_VERSION = 29
-
-def safeExtGet(prop, fallback) {
-    rootProject.ext.has(prop) ? rootProject.ext.get(prop) : fallback
-}
-
-apply plugin: 'com.android.library'
-apply plugin: 'kotlin-android'
-apply plugin: 'maven'
-
 buildscript {
-    ext.kotlin_version = '1.3.72'
-    // The Android Gradle plugin is only required when opening the android folder stand-alone.
-    // This avoids unnecessary downloads and potential conflicts when the library is included as a
-    // module dependency in an application project.
-    // ref: https://docs.gradle.org/current/userguide/tutorial_using_tasks.html#sec:build_script_external_dependencies
-    if (project == rootProject) {
-        repositories {
-            google()
-            jcenter()
-        }
-        dependencies {
-            classpath 'com.android.tools.build:gradle:3.5.3'
-        }
-    }
+    // Buildscript is evaluated before everything else so we can't use getExtOrDefault
+    def kotlin_version = rootProject.ext.has('kotlinVersion') ? rootProject.ext.get('kotlinVersion') : project.properties['RNBlurhash_kotlinVersion']
+
     repositories {
+        google()
         mavenCentral()
+        jcenter()
     }
+
     dependencies {
+        classpath 'com.android.tools.build:gradle:3.2.1'
+        // noinspection DifferentKotlinGradleVersion
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
 apply plugin: 'com.android.library'
-apply plugin: 'maven'
+apply plugin: 'kotlin-android'
+
+def getExtOrDefault(name) {
+    return rootProject.ext.has(name) ? rootProject.ext.get(name) : project.properties['RNBlurhash' + name]
+}
+
+def getExtOrIntegerDefault(name) {
+    return rootProject.ext.has(name) ? rootProject.ext.get(name) : (project.properties['RNBlurhash' + name]).toInteger()
+}
 
 android {
-    compileSdkVersion safeExtGet('compileSdkVersion', DEFAULT_COMPILE_SDK_VERSION)
-    buildToolsVersion safeExtGet('buildToolsVersion', DEFAULT_BUILD_TOOLS_VERSION)
+    compileSdkVersion getExtOrIntegerDefault('compileSdkVersion')
     defaultConfig {
-        minSdkVersion safeExtGet('minSdkVersion', DEFAULT_MIN_SDK_VERSION)
-        targetSdkVersion safeExtGet('targetSdkVersion', DEFAULT_TARGET_SDK_VERSION)
+        minSdkVersion 16
+        targetSdkVersion getExtOrIntegerDefault('targetSdkVersion')
         versionCode 1
         versionName "1.0"
     }
+            buildTypes {
+                release {
+                    minifyEnabled false
+                }
+            }
     lintOptions {
-        abortOnError false
+        disable 'GradleCompatible'
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
     }
 }
 
 repositories {
-    // ref: https://www.baeldung.com/maven-local-repository
-    mavenLocal()
-    maven {
-        // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
-        url "$rootDir/../node_modules/react-native/android"
-    }
-    maven {
-        // Android JSC is installed from npm
-        url "$rootDir/../node_modules/jsc-android/dist"
-    }
-    google()
+    mavenCentral()
     jcenter()
-}
+    google()
 
-dependencies {
-    //noinspection GradleDynamicVersion
-    implementation 'com.facebook.react:react-native:+'
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"  // From node_modules
-    implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.3.0-alpha05"
-}
+    def found = false
+    def defaultDir = null
+    def androidSourcesName = 'React Native sources'
+
+    if (rootProject.ext.has('reactNativeAndroidRoot')) {
+        defaultDir = rootProject.ext.get('reactNativeAndroidRoot')
+    } else {
+        defaultDir = new File(
+                projectDir,
+                '/../../../node_modules/react-native/android'
+        )
+    }
 
-def configureReactNativePom(def pom) {
-    def packageJson = new groovy.json.JsonSlurper().parseText(file('../package.json').text)
-
-    pom.project {
-        name packageJson.title
-        artifactId packageJson.name
-        version = packageJson.version
-        group = "com.com.mrousavy.blurhash"
-        description packageJson.description
-        url packageJson.repository.baseUrl
-
-        licenses {
-            license {
-                name packageJson.license
-                url packageJson.repository.baseUrl + '/blob/master/' + packageJson.licenseFilename
-                distribution 'repo'
-            }
+    if (defaultDir.exists()) {
+        maven {
+            url defaultDir.toString()
+            name androidSourcesName
         }
 
-        developers {
-            developer {
-                id packageJson.author.username
-                name packageJson.author.name
+        logger.info(":${project.name}:reactNativeAndroidRoot ${defaultDir.canonicalPath}")
+        found = true
+    } else {
+        def parentDir = rootProject.projectDir
+
+        1.upto(5, {
+            if (found) return true
+            parentDir = parentDir.parentFile
+
+            def androidSourcesDir = new File(
+                    parentDir,
+                    'node_modules/react-native'
+            )
+
+            def androidPrebuiltBinaryDir = new File(
+                    parentDir,
+                    'node_modules/react-native/android'
+            )
+
+            if (androidPrebuiltBinaryDir.exists()) {
+                maven {
+                    url androidPrebuiltBinaryDir.toString()
+                    name androidSourcesName
+                }
+
+                logger.info(":${project.name}:reactNativeAndroidRoot ${androidPrebuiltBinaryDir.canonicalPath}")
+                found = true
+            } else if (androidSourcesDir.exists()) {
+                maven {
+                    url androidSourcesDir.toString()
+                    name androidSourcesName
+                }
+
+                logger.info(":${project.name}:reactNativeAndroidRoot ${androidSourcesDir.canonicalPath}")
+                found = true
             }
-        }
-    }
-}
-
-afterEvaluate { project ->
-    // some Gradle build hooks ref:
-    // https://www.oreilly.com/library/view/gradle-beyond-the/9781449373801/ch03.html
-    task androidJavadoc(type: Javadoc) {
-        source = android.sourceSets.main.java.srcDirs
-        classpath += files(android.bootClasspath)
-        classpath += files(project.getConfigurations().getByName('compile').asList())
-        include '**/*.java'
-    }
-
-    task androidJavadocJar(type: Jar, dependsOn: androidJavadoc) {
-        classifier = 'javadoc'
-        from androidJavadoc.destinationDir
-    }
-
-    task androidSourcesJar(type: Jar) {
-        classifier = 'sources'
-        from android.sourceSets.main.java.srcDirs
-        include '**/*.java'
+        })
     }
 
-    android.libraryVariants.all { variant ->
-        def name = variant.name.capitalize()
-        def javaCompileTask = variant.javaCompileProvider.get()
-
-        task "jar${name}"(type: Jar, dependsOn: javaCompileTask) {
-            from javaCompileTask.destinationDir
-        }
+    if (!found) {
+        throw new GradleException(
+                "${project.name}: unable to locate React Native android sources. " +
+                        "Ensure you have you installed React Native as a dependency in your project and try again."
+        )
     }
+}
 
-    artifacts {
-        archives androidSourcesJar
-        archives androidJavadocJar
-    }
+def kotlin_version = getExtOrDefault('kotlinVersion')
 
-    task installArchives(type: Upload) {
-        configuration = configurations.archives
-        repositories.mavenDeployer {
-            // Deploy to react-native-event-bridge/maven, ready to publish to npm
-            repository url: "file://${projectDir}/../android/maven"
-            configureReactNativePom pom
-        }
-    }
+dependencies {
+    // noinspection GradleDynamicVersion
+    api 'com.facebook.react:react-native:+'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }

android/gradle.properties

@@ -0,0 +1,4 @@
+RNBlurhash_kotlinVersion=1.3.50
+RNBlurhash_compileSdkVersion=29
+RNBlurhash_buildToolsVersion=29.0.2
+RNBlurhash_targetSdkVersion=29