task task1 {
 println "===>task 1"
}
task task2 {
 println "===>task 2"
}

 eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.launcher.GradleMain "$APP_ARGS"

public class DefaultGradleLauncher implements GradleLauncher {
 //（這里是4.5.1的版本，生命周期更細致化）
 private enum Stage {
  Load, LoadBuild, Configure, TaskGraph, Build, Finished
 }
 //2.14.1的版本則是： 
 private enum Stage {
  Load, Configure, Build
 }
//核心方法
private void doBuildStages(Stage upTo) {
  try {
   loadSettings();
   if (upTo == Stage.Load) {
    return;
   }
   configureBuild();
   if (upTo == Stage.Configure) {
    return;
   }
   constructTaskGraph();
   if (upTo == Stage.TaskGraph) {
    return;
   }
   runTasks();
   finishBuild();
  } catch (Throwable t) {
   Throwable failure = exceptionAnalyser.transform(t);
   finishBuild(new BuildResult(upTo.name(), gradle, failure));
   throw new ReportedException(failure);
  }
 }
 
 //調用時機
  @Override
 public SettingsInternal getLoadedSettings() {
  doBuildStages(Stage.Load);
  return settings;
 }
 @Override
 public GradleInternal getConfiguredBuild() {
  doBuildStages(Stage.Configure);
  return gradle;
 }
 public GradleInternal executeTasks() {
  doBuildStages(Stage.Build);
  return gradle;
 }

project.afterEvaluate {...}
android.applicationVariants.all {...}
gradle.addListener(new TaskListener())
apply from '../mvn.gradle'
...

gradle.getTaskGraph().whenReady {
 project.tasks.each {
  task->
   println "taskName:"+task.getName()
 }
}
project.afterEvaluate {
 project.tasks.each {
  task->
   println "taskName:"+task.getName()
 }
}

project.afterEvaluate {
 project.tasks.each {
  task->
   // println "taskName:"+task.getName()
   if(task.getName().equals("cleanBuildCache")){
    println "find cleanBuildCache!!!!!!"
    List<Action<? super Task>> list = new ArrayList<>()
    list.add(new Action<Task>() {
     @Override
     void execute(Task task1) {
      println 'excute cleanBuildCache action !!!!!!'
     }
    })
    task.setActions(list)
   }
 }
}

processProductDebugManifest；

project.tasks.each {
  task->
   if(task.getName().equals("processZroTestDebugManifest")){
    println '!!!!!find processZroTestDebugManifest task:'
    task.outputs.files.each {
     file ->
      println 'file.getAbsolutePath():'+ file.getAbsolutePath()
      //file.getAbsolutePath():/Users/mu/MeiyouCode/PeriodProject/SeeyouClient/app/build/intermediates/manifests/instant-run/zroTest/debug
      //file.getAbsolutePath():/Users/mu/MeiyouCode/PeriodProject/SeeyouClient/app/build/intermediates/manifests/full/zroTest/debug
      //file.getAbsolutePath():/Users/mu/MeiyouCode/PeriodProject/SeeyouClient/app/build/outputs/logs/manifest-merger-zroTest-debug-report.txt
    }
    task.doLast {
     println '!!!!!excute processZroTestDebugManifest task'
     def dated = new Date().format("MMdd HH:mm")
     def manifestFile = "${buildDir}/intermediates/manifests/full/zroTest/debug/AndroidManifest.xml"
     def updatedContent = new File(manifestFile).getText('UTF-8')
       .replaceAll("MY_APP_PKGNAME", "${MY_APP_PKGNAME}")
       .replaceAll("MY_JPUSH_APPKEY", "${JPUSH_APPKEY}")
       .replaceAll("MY_HUAWEI_APPKEY", "${HUAWEI_APPKEY}")
       .replaceAll("MY_MEIZU_APPKEY", "${MEIZU_APPKEY}")
       .replaceAll("MY_MEIZU_APPID", "${MEIZU_APPID}")
     // .replaceAll("MY_XIAOMI_APPKEY", "${XIAOMI_APPKEY}")
     // .replaceAll("MY_XIAOMI_APPID", "${XIAOMI_APPID}")
     //.replaceAll("cn.jpush.android.service.PluginXiaomiPlatformsReceiver","com.meiyou.message.mipush.XiaomiReceiver")
       .replaceAll("MY_APK_VERSION", "${archivesBaseName}-${dated}")
     new File(manifestFile).write(updatedContent, 'UTF-8')
    }
   }
 }

project.tasks.each {
  task->
   if(task.getName().equals("processZroTestDebugManifest")){
    println '!!!!!find processZroTestDebugManifest task:'+task.outputs.files.each {
     file ->
      file.getAbsolutePath();
    }
    task.doLast {
     println '!!!!!excute processZroTestDebugManifest task'
     def dated = new Date().format("MMdd HH:mm")
     def manifestFile = "${buildDir}/intermediates/manifests/full/zroTest/debug/AndroidManifest.xml"
     def updatedContent = new File(manifestFile).getText('UTF-8')
       .replaceAll("MY_APP_PKGNAME", "${MY_APP_PKGNAME}")
       .replaceAll("MY_JPUSH_APPKEY", "${JPUSH_APPKEY}")
       .replaceAll("MY_HUAWEI_APPKEY", "${HUAWEI_APPKEY}")
       .replaceAll("MY_MEIZU_APPKEY", "${MEIZU_APPKEY}")
       .replaceAll("MY_MEIZU_APPID", "${MEIZU_APPID}")
     // .replaceAll("MY_XIAOMI_APPKEY", "${XIAOMI_APPKEY}")
     // .replaceAll("MY_XIAOMI_APPID", "${XIAOMI_APPID}")
     //.replaceAll("cn.jpush.android.service.PluginXiaomiPlatformsReceiver","com.meiyou.message.mipush.XiaomiReceiver")
       .replaceAll("MY_APK_VERSION", "${archivesBaseName}-${dated}")
     new File(manifestFile).write(updatedContent, 'UTF-8')
    }
   }
 }

$ mkdir gradle_2.3.0
$ cd gradle_2.3.0
$ repo init -u https://android.googlesource.com/platform/manifest -b gradle_2.3.0
$ repo sync

gradle.addListener(new TaskListener())
class TaskListener implements BuildListener,TaskExecutionListener {
 private List<String> tasks = new ArrayList<>();
 @Override
 void buildStarted(Gradle gradle) {
 }
 @Override
 void settingsEvaluated(Settings settings) {
 }
 @Override
 void projectsLoaded(Gradle gradle) {
 }
 @Override
 void projectsEvaluated(Gradle gradle) {
 }
 @Override
 void buildFinished(BuildResult result) {
  StringBuilder stringBuilder = new StringBuilder();
  for(String taskName:tasks){
   stringBuilder.append(taskName).append("\n")
  }
  println("任務列表：\n"+stringBuilder.toString())
 }
 @Override
 void beforeExecute(Task task) {
 }
 @Override
 void afterExecute(Task task, TaskState state) {
  //println("===>Task:"+task.getName())
  tasks.add(task.getName())
 }
}

void printTaskDependency(Task task, String divider) {
 divider += "-------"
 task.getTaskDependencies().getDependencies(task).any() {
  println(divider+ it.getPath())
  if (it.getPath().contains(":app")) {
   printTaskDependency(it,divider)
  }
 }
}
gradle.getTaskGraph().whenReady {
 project.tasks.all {
  //println("!!!!!!!!!! it:"+it.getName()+"==>it.getPath:"+it.getPath())
  if (it.getPath().equals(":app:assembleZroTestDebug")) {
   //println(it.getPath())
   printTaskDependency(it,"")
  }
 }
}

productFlavors {
 branchOne {
  applicationId "com.example.branchOne"
  buildConfigField "String", "CONFIG_ENDPOINT", "http://branchOne.com/android"
 }
 branchTwo {
  applicationId "com.example.branchTwo"
  buildConfigField "String", "CONFIG_ENDPOINT", "http://branchTwo.org"
 }
}
dependencies {
 compile 'com.android.support:support-v4:22.2.0'
 branchOneCompile 'com.android.support:appcompat-v7:22.2.0'//只為branchOne添加這個依賴
}

configurations.all {
  resolutionStrategy {
//   force 'org.javassist:javassist:3.18.2-GA'
   // don't cache changing modules at all
   cacheChangingModulesFor 0, 'seconds'
//   //強制模塊使用指定版本號(防止其他模塊使用、跟主工程不匹配的版本：
   forcedModules = [
     "com.meiyou:peroid.base:${PERIOD_BASE_VERSION}",
     'org.javassist:javassist:3.18.2-GA'//"org.javassist:javassist:3.20.0-GA"http://
     , 'com.google.guava:guava:18.0'//'com.google.guava:guava:19.0-rc2'//
   ]
   exclude group: 'com.squareup.okhttp3'
   exclude group: 'com.google.code.findbugs', module: 'annotations'
  }
 }