update.

app/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "24.0.0"
+    compileSdkVersion 26
+
     defaultConfig {
         applicationId "com.zxy.tiny.test"
         minSdkVersion 14
-        targetSdkVersion 24
+        targetSdkVersion 26
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -25,13 +25,13 @@ android {
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support:appcompat-v7:24.0.0'
+    implementation 'com.android.support:appcompat-v7:24.0.0'
     testCompile 'junit:junit:4.12'
-    compile project(':tiny')
-    compile 'com.zxy.android:recovery:0.1.4'
-    compile 'com.android.support:design:24.0.0'
+    implementation project(':tiny')
+    implementation 'com.zxy.android:recovery:0.1.4'
+    implementation 'com.android.support:design:24.0.0'
 }

build.gradle

@@ -3,11 +3,11 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.0'
-        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
+        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.novoda:bintray-release:0.6.1'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
@@ -16,6 +16,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 

gradle/wrapper/gradle-wrapper.properties

@@ -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-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip

tiny/build.gradle

@@ -1,14 +1,12 @@
 apply plugin: 'com.android.library'
-apply plugin: 'com.github.dcendents.android-maven'
-apply plugin: 'com.jfrog.bintray'
+apply plugin: 'com.novoda.bintray-release'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "24.0.0"
+    compileSdkVersion 26
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 24
+        targetSdkVersion 26
         versionCode 1
         versionName "1.0"
     }
@@ -29,21 +27,22 @@ dependencies {
 
 }
 
-ext {
-    upload_group_id = 'com.zxy.android'
-    upload_version = '0.1.0'
-
-    site_url = 'https://github.com/Sunzxyong/Tiny'
-    git_url = 'https://github.com/Sunzxyong/Tiny.git'
-    git_issue_url = 'https://github.com/Sunzxyong/Tiny/issues'
-
-    bintray_pkg_repo = 'maven'
-    bintray_pkg_name = 'Tiny'
-    bintray_pkg_desc = 'an image compression framework.'
-
-    developer_id = 'Sunzxyong'
-    developer_name = 'zhengxiaoyong'
-    developer_email = '[email protected]'
+Properties properties = new Properties()
+properties.load(project.rootProject.file('local.properties').newDataInputStream())
+
+publish {
+    userOrg = 'sunzxyong'
+    uploadName = 'Tiny'
+    groupId = 'com.zxy.android'
+    artifactId = 'tiny'
+    publishVersion = '0.1.0'
+    repoName = 'maven'
+    dryRun = 'false'
+    desc = 'an image compression framework.'
+    website = 'https://github.com/Sunzxyong/Tiny'
+    issueTracker = 'https://github.com/Sunzxyong/Tiny/issues'
+    repository = 'https://github.com/Sunzxyong/Tiny.git'
+    bintrayUser = properties.getProperty("bintray.user")
+    bintrayKey = properties.getProperty("bintray.apikey")
 }
-
-apply from: 'publish.gradle'
+//./gradlew clean build bintrayUpload -PdryRun=false