diff --git a/orderfile/README.md b/orderfile/README.md
new file mode 100644
index 000000000..8fb0474aa
--- /dev/null
+++ b/orderfile/README.md
@@ -0,0 +1,100 @@
+# Order file demo
+
+Order files are text files containing symbols representing functions names.
+Linkers (lld) uses order files to layout functions in a specific order. These
+binaries with ordered symbols will reduce page faults and improve a program's
+launch time due to the efficient loading of symbols during a program’s
+cold-start.
+
+## Files
+
+- app/src/main/cpp/orderfile.cpp: The source code for the orderfile library that
+ is used by the Kotlin app.
+- app/src/main/cpp/CMakeLists.txt: The CMakeLists either sets the orderfile
+ library as generating profiles or loading the orderfile.
+- app/src/main/java/MainActivity.kt: The Kotlin app source code.
+
+## Profile Steps
+
+1. For simplicity, we have setup the `CMakeLists.txt` and you just need make
+ sure `set(GENERATE_PROFILES ON)` is not commented. You need to pass any
+ optimization flag except `-O0`. The mapping file is not generated and the
+ profile instrumentation does not work without an optimization flag.
+1. Run the app on Android Studio. You can either run it on a physical or virtual
+ device. You will see "Hello World" on the screen.
+1. To pull the data from the device, you'll need to move it from an app-writable
+ directory to a shell readable directory for adb pull. We also need to
+ transfer the output into hexadecimal format.
+
+```
+adb shell "run-as com.example.orderfiledemo sh -c 'cat /data/user/0/com.example.orderfiledemo/cache/demo.output.order' | cat > /data/local/tmp/demo.output.order"
+adb pull /data/local/tmp/demo.output.order .
+
+# Convert to hexdeciaml format on Linux, Mac, or ChromeOS
+hexdump -C demo.output.order > demo.prof
+
+# Convert to hexdecimal format on Windows
+certutil -f -encodeHex demo.output.order demo.prof
+```
+
+4. Once you get both mapping file and profile file, you can use
+ [this script](https://android.googlesource.com/toolchain/pgo-profiles/+/refs/heads/main/scripts/create_orderfile.py)
+ to create the order file:
+
+```
+python3 create_orderfile.py --profile-file demo.prof --mapping-file mapping.txt --output app/src/main/cpp/demo.orderfile
+```
+
+## Load Steps
+
+1. For load, you need to uncomment
+ `set(USE_PROFILE "${CMAKE_SOURCE_DIR}/demo.orderfile")` and make sure
+ `set(GENERATE_PROFILES ON)` is commented.
+
+1. If you want to validate the shared library's layout is different, you need to
+ find `liborderfiledemo.so` and run `nm`
+
+```
+nm -n liborderfiledemo.so
+```
+
+## Difference between Java and Kotlin App
+
+The main difference between a Java app and a Kotlin app is the syntax. You can
+easily change this Kotlin example into a Java example.
+
+- Load Library
+
+```
+# Kotlin
+companion object {
+ init {
+ System.loadLibrary("orderfiledemo")
+ }
+}
+
+# Java
+static {
+ System.loadLibrary("orderfiledemo");
+}
+```
+
+- Recognize an external method
+
+```
+# Kotlin
+external fun runWorkload(tempDir: String)
+
+# Java
+private native void runWorkload(String tempDir);
+```
+
+- Get the cache directory
+
+```agsl
+# Kotlin
+runWorkload(applicationContext.cacheDir.toString())
+
+# Java
+runWorkload(getcacheDir().toString())
+```
diff --git a/orderfile/app/.gitignore b/orderfile/app/.gitignore
new file mode 100644
index 000000000..796b96d1c
--- /dev/null
+++ b/orderfile/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/orderfile/app/build.gradle b/orderfile/app/build.gradle
new file mode 100644
index 000000000..67a66fde5
--- /dev/null
+++ b/orderfile/app/build.gradle
@@ -0,0 +1,60 @@
+plugins {
+ id 'com.android.application'
+ id 'kotlin-android'
+}
+
+android {
+ compileSdk 31
+
+ defaultConfig {
+ applicationId "com.example.orderfiledemo"
+ minSdk 21
+ targetSdk 31
+ versionCode 1
+ versionName "1.0"
+ ndkVersion '25.2.9519653'
+
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ externalNativeBuild {
+ cmake {
+ cppFlags ''
+ }
+ }
+ }
+
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ }
+ compileOptions {
+ sourceCompatibility JavaVersion.VERSION_1_8
+ targetCompatibility JavaVersion.VERSION_1_8
+ }
+ kotlinOptions {
+ jvmTarget = '1.8'
+ }
+ externalNativeBuild {
+ cmake {
+ path file('src/main/cpp/CMakeLists.txt')
+ version '3.22.1'
+ }
+ }
+ buildFeatures {
+ viewBinding true
+ }
+ namespace 'com.example.orderfiledemo'
+ ndkVersion '25.2.9519653'
+}
+
+dependencies {
+
+ implementation 'androidx.core:core-ktx:1.3.2'
+ implementation 'androidx.appcompat:appcompat:1.2.0'
+ implementation 'com.google.android.material:material:1.3.0'
+ implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+ testImplementation 'junit:junit:4.+'
+ androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+}
diff --git a/orderfile/app/proguard-rules.pro b/orderfile/app/proguard-rules.pro
new file mode 100644
index 000000000..f1b424510
--- /dev/null
+++ b/orderfile/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/orderfile/app/src/androidTest/java/com/example/orderfiledemo/ExampleInstrumentedTest.kt b/orderfile/app/src/androidTest/java/com/example/orderfiledemo/ExampleInstrumentedTest.kt
new file mode 100644
index 000000000..e1c097197
--- /dev/null
+++ b/orderfile/app/src/androidTest/java/com/example/orderfiledemo/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package com.example.orderfiledemo
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+ @Test
+ fun useAppContext() {
+ // Context of the app under test.
+ val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+ assertEquals("com.example.orderfiledemo", appContext.packageName)
+ }
+}
diff --git a/orderfile/app/src/main/AndroidManifest.xml b/orderfile/app/src/main/AndroidManifest.xml
new file mode 100644
index 000000000..80d99f8d7
--- /dev/null
+++ b/orderfile/app/src/main/AndroidManifest.xml
@@ -0,0 +1,22 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/orderfile/app/src/main/cpp/CMakeLists.txt b/orderfile/app/src/main/cpp/CMakeLists.txt
new file mode 100644
index 000000000..763868625
--- /dev/null
+++ b/orderfile/app/src/main/cpp/CMakeLists.txt
@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.22.1)
+project(OrderfileDemo CXX)
+
+# We have setup build variables that you can just comment or uncomment to use.
+# Make sure to have only one build variable uncommented at a time.
+# If you want to generate profiles and mapping file, make sure GENERATE_PROFILES is uncommented.
+# If you want to use your generated order file to layout symbols, uncomment USE_PROFILE.
+
+
+set(GENERATE_PROFILES ON)
+#set(USE_PROFILE "${CMAKE_SOURCE_DIR}/demo.orderfile")
+
+add_library(orderfiledemo SHARED orderfile.cpp)
+target_link_libraries(orderfiledemo log)
+
+if(GENERATE_PROFILES)
+ # Generating profiles requires any optimization flag aside from -O0.
+ # The mapping file will not generate and the profile instrumentation does not work without an optimization flag.
+ target_compile_options(orderfiledemo PRIVATE -forder-file-instrumentation -O1 -mllvm -orderfile-write-mapping=mapping.txt )
+ target_link_options(orderfiledemo PRIVATE -forder-file-instrumentation )
+ target_compile_definitions(orderfiledemo PRIVATE GENERATE_PROFILES)
+elseif(USE_PROFILE)
+ target_compile_options(orderfiledemo PRIVATE -Wl,--symbol-ordering-file=${USE_PROFILE} -Wl,--no-warn-symbol-ordering )
+ target_link_options(orderfiledemo PRIVATE -Wl,--symbol-ordering-file=${USE_PROFILE} -Wl,--no-warn-symbol-ordering )
+endif()
\ No newline at end of file
diff --git a/orderfile/app/src/main/cpp/orderfile.cpp b/orderfile/app/src/main/cpp/orderfile.cpp
new file mode 100644
index 000000000..a8e5c83ce
--- /dev/null
+++ b/orderfile/app/src/main/cpp/orderfile.cpp
@@ -0,0 +1,54 @@
+#include
+#include
+#include
+#include
+#include
+#include
+
+const char kLogTag[] = "orderfiledemo";
+
+#ifdef GENERATE_PROFILES
+extern "C" int __llvm_profile_set_filename(const char *);
+extern "C" int __llvm_profile_initialize_file(void);
+extern "C" int __llvm_orderfile_dump(void);
+#endif
+
+void DumpProfileDataIfNeeded(const char *temp_dir) {
+#ifdef GENERATE_PROFILES
+ char profile_location[PATH_MAX] = {};
+ snprintf(profile_location, sizeof(profile_location), "%s/demo.output",
+ temp_dir);
+ if (__llvm_profile_set_filename(profile_location) == -1) {
+ __android_log_print(ANDROID_LOG_ERROR, kLogTag,
+ "__llvm_profile_set_filename(\"%s\") failed: %s",
+ profile_location, strerror(errno));
+ return;
+ }
+
+ if (__llvm_profile_initialize_file() == -1) {
+ __android_log_print(ANDROID_LOG_ERROR, kLogTag,
+ "__llvm_profile_initialize_file failed: %s",
+ strerror(errno));
+ return;
+ }
+
+ if (__llvm_orderfile_dump() == -1) {
+ __android_log_print(ANDROID_LOG_ERROR, kLogTag,
+ "__llvm_orderfile_dump() failed: %s", strerror(errno));
+ return;
+ }
+ __android_log_print(ANDROID_LOG_DEBUG, kLogTag, "Wrote profile data to %s",
+ profile_location);
+#else
+ __android_log_print(ANDROID_LOG_DEBUG, kLogTag,
+ "Did not write profile data because the app was not "
+ "built for profile generation");
+#endif
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_example_orderfiledemo_MainActivity_runWorkload(JNIEnv *env,
+ jobject /* this */,
+ jstring temp_dir) {
+ DumpProfileDataIfNeeded(env->GetStringUTFChars(temp_dir, 0));
+}
diff --git a/orderfile/app/src/main/java/com/example/orderfiledemo/MainActivity.kt b/orderfile/app/src/main/java/com/example/orderfiledemo/MainActivity.kt
new file mode 100644
index 000000000..2523b6c1b
--- /dev/null
+++ b/orderfile/app/src/main/java/com/example/orderfiledemo/MainActivity.kt
@@ -0,0 +1,32 @@
+package com.example.orderfiledemo
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import com.example.orderfiledemo .databinding.ActivityMainBinding
+
+class MainActivity : AppCompatActivity() {
+
+ private lateinit var binding: ActivityMainBinding
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+
+ binding = ActivityMainBinding.inflate(layoutInflater)
+ setContentView(binding.root)
+ runWorkload(applicationContext.cacheDir.toString())
+ binding.sampleText.text = "Hello, world!"
+ }
+
+ /**
+ * A native method that is implemented by the 'orderfiledemo' native library,
+ * which is packaged with this application.
+ */
+ external fun runWorkload(tempDir: String)
+
+ companion object {
+ // Used to load the 'orderfiledemo' library on application startup.
+ init {
+ System.loadLibrary("orderfiledemo")
+ }
+ }
+}
diff --git a/orderfile/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/orderfile/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 000000000..7706ab9e6
--- /dev/null
+++ b/orderfile/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+
+
+
+
+
+
+
+
+
+
+
diff --git a/orderfile/app/src/main/res/drawable/ic_launcher_background.xml b/orderfile/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 000000000..07d5da9cb
--- /dev/null
+++ b/orderfile/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/orderfile/app/src/main/res/layout/activity_main.xml b/orderfile/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 000000000..3d42e01a6
--- /dev/null
+++ b/orderfile/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,19 @@
+
+
+
+
+
+
diff --git a/orderfile/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/orderfile/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 000000000..8e05188f8
--- /dev/null
+++ b/orderfile/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
diff --git a/orderfile/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/orderfile/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 000000000..8e05188f8
--- /dev/null
+++ b/orderfile/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
diff --git a/orderfile/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/orderfile/app/src/main/res/mipmap-hdpi/ic_launcher.webp
new file mode 100644
index 000000000..c209e78ec
Binary files /dev/null and b/orderfile/app/src/main/res/mipmap-hdpi/ic_launcher.webp differ
diff --git a/orderfile/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp b/orderfile/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
new file mode 100644
index 000000000..b2dfe3d1b
Binary files /dev/null and b/orderfile/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp differ
diff --git a/orderfile/app/src/main/res/mipmap-mdpi/ic_launcher.webp b/orderfile/app/src/main/res/mipmap-mdpi/ic_launcher.webp
new file mode 100644
index 000000000..4f0f1d64e
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diff --git a/orderfile/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp b/orderfile/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
new file mode 100644
index 000000000..62b611da0
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diff --git a/orderfile/app/src/main/res/mipmap-xhdpi/ic_launcher.webp b/orderfile/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
new file mode 100644
index 000000000..948a3070f
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diff --git a/orderfile/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp b/orderfile/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
new file mode 100644
index 000000000..1b9a6956b
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diff --git a/orderfile/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp b/orderfile/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
new file mode 100644
index 000000000..28d4b77f9
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diff --git a/orderfile/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp b/orderfile/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
new file mode 100644
index 000000000..9287f5083
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diff --git a/orderfile/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp b/orderfile/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
new file mode 100644
index 000000000..aa7d6427e
Binary files /dev/null and b/orderfile/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp differ
diff --git a/orderfile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp b/orderfile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
new file mode 100644
index 000000000..9126ae37c
Binary files /dev/null and b/orderfile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp differ
diff --git a/orderfile/app/src/main/res/values-night/themes.xml b/orderfile/app/src/main/res/values-night/themes.xml
new file mode 100644
index 000000000..62ec3d150
--- /dev/null
+++ b/orderfile/app/src/main/res/values-night/themes.xml
@@ -0,0 +1,16 @@
+
+
+
+
diff --git a/orderfile/app/src/main/res/values/colors.xml b/orderfile/app/src/main/res/values/colors.xml
new file mode 100644
index 000000000..b3ea3f9f4
--- /dev/null
+++ b/orderfile/app/src/main/res/values/colors.xml
@@ -0,0 +1,24 @@
+
+
+
+ #FFBB86FC
+
+
+ #FF6200EE
+
+
+ #FF3700B3
+
+
+ #FF03DAC5
+
+
+ #FF018786
+
+
+ #FF000000
+
+
+ #FFFFFFFF
+
+
diff --git a/orderfile/app/src/main/res/values/strings.xml b/orderfile/app/src/main/res/values/strings.xml
new file mode 100644
index 000000000..2c88bdf15
--- /dev/null
+++ b/orderfile/app/src/main/res/values/strings.xml
@@ -0,0 +1,5 @@
+
+
+ Orderfile Demo
+
+
diff --git a/orderfile/app/src/main/res/values/themes.xml b/orderfile/app/src/main/res/values/themes.xml
new file mode 100644
index 000000000..97ca3c640
--- /dev/null
+++ b/orderfile/app/src/main/res/values/themes.xml
@@ -0,0 +1,30 @@
+
+
+
+
diff --git a/orderfile/build.gradle b/orderfile/build.gradle
new file mode 100644
index 000000000..1c4b10809
--- /dev/null
+++ b/orderfile/build.gradle
@@ -0,0 +1,18 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+ repositories {
+ google()
+ mavenCentral()
+ }
+ dependencies {
+ classpath 'com.android.tools.build:gradle:8.1.0'
+ classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.21'
+
+ // NOTE: Do not place your application dependencies here; they belong
+ // in the individual module build.gradle files
+ }
+}
+
+task clean(type: Delete) {
+ delete rootProject.buildDir
+}
diff --git a/orderfile/gradle.properties b/orderfile/gradle.properties
new file mode 100644
index 000000000..ab7874755
--- /dev/null
+++ b/orderfile/gradle.properties
@@ -0,0 +1,25 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# 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
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+android.defaults.buildfeatures.buildconfig=true
+android.nonTransitiveRClass=false
+android.nonFinalResIds=false
+org.gradle.unsafe.configuration-cache=true
diff --git a/orderfile/gradle/wrapper/gradle-wrapper.jar b/orderfile/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 000000000..7454180f2
Binary files /dev/null and b/orderfile/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/orderfile/gradle/wrapper/gradle-wrapper.properties b/orderfile/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 000000000..da1db5f04
--- /dev/null
+++ b/orderfile/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/orderfile/gradlew b/orderfile/gradlew
new file mode 100755
index 000000000..1b6c78733
--- /dev/null
+++ b/orderfile/gradlew
@@ -0,0 +1,234 @@
+#!/bin/sh
+
+#
+# Copyright © 2015-2021 the original authors.
+#
+# 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
+#
+# https://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.
+#
+
+##############################################################################
+#
+# Gradle start up script for POSIX generated by Gradle.
+#
+# Important for running:
+#
+# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+# noncompliant, but you have some other compliant shell such as ksh or
+# bash, then to run this script, type that shell name before the whole
+# command line, like:
+#
+# ksh Gradle
+#
+# Busybox and similar reduced shells will NOT work, because this script
+# requires all of these POSIX shell features:
+# * functions;
+# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+# * compound commands having a testable exit status, especially «case»;
+# * various built-in commands including «command», «set», and «ulimit».
+#
+# Important for patching:
+#
+# (2) This script targets any POSIX shell, so it avoids extensions provided
+# by Bash, Ksh, etc; in particular arrays are avoided.
+#
+# The "traditional" practice of packing multiple parameters into a
+# space-separated string is a well documented source of bugs and security
+# problems, so this is (mostly) avoided, by progressively accumulating
+# options in "$@", and eventually passing that to Java.
+#
+# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+# see the in-line comments for details.
+#
+# There are tweaks for specific operating systems such as AIX, CygWin,
+# Darwin, MinGW, and NonStop.
+#
+# (3) This script is generated from the Groovy template
+# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+# within the Gradle project.
+#
+# You can find Gradle at https://github.com/gradle/gradle/.
+#
+##############################################################################
+
+# Attempt to set APP_HOME
+
+# Resolve links: $0 may be a link
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+ APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
+ [ -h "$app_path" ]
+do
+ ls=$( ls -ld "$app_path" )
+ link=${ls#*' -> '}
+ case $link in #(
+ /*) app_path=$link ;; #(
+ *) app_path=$APP_HOME$link ;;
+ esac
+done
+
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+
+APP_NAME="Gradle"
+APP_BASE_NAME=${0##*/}
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+ echo "$*"
+} >&2
+
+die () {
+ echo
+ echo "$*"
+ echo
+ exit 1
+} >&2
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "$( uname )" in #(
+ CYGWIN* ) cygwin=true ;; #(
+ Darwin* ) darwin=true ;; #(
+ MSYS* | MINGW* ) msys=true ;; #(
+ NONSTOP* ) nonstop=true ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD=$JAVA_HOME/jre/sh/java
+ else
+ JAVACMD=$JAVA_HOME/bin/java
+ fi
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD=java
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+ case $MAX_FD in #(
+ max*)
+ MAX_FD=$( ulimit -H -n ) ||
+ warn "Could not query maximum file descriptor limit"
+ esac
+ case $MAX_FD in #(
+ '' | soft) :;; #(
+ *)
+ ulimit -n "$MAX_FD" ||
+ warn "Could not set maximum file descriptor limit to $MAX_FD"
+ esac
+fi
+
+# Collect all arguments for the java command, stacking in reverse order:
+# * args from the command line
+# * the main class name
+# * -classpath
+# * -D...appname settings
+# * --module-path (only if needed)
+# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if "$cygwin" || "$msys" ; then
+ APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+ CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
+
+ JAVACMD=$( cygpath --unix "$JAVACMD" )
+
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ for arg do
+ if
+ case $arg in #(
+ -*) false ;; # don't mess with options #(
+ /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
+ [ -e "$t" ] ;; #(
+ *) false ;;
+ esac
+ then
+ arg=$( cygpath --path --ignore --mixed "$arg" )
+ fi
+ # Roll the args list around exactly as many times as the number of
+ # args, so each arg winds up back in the position where it started, but
+ # possibly modified.
+ #
+ # NB: a `for` loop captures its iteration list before it begins, so
+ # changing the positional parameters here affects neither the number of
+ # iterations, nor the values presented in `arg`.
+ shift # remove old arg
+ set -- "$@" "$arg" # push replacement arg
+ done
+fi
+
+# Collect all arguments for the java command;
+# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
+# shell script including quotes and variable substitutions, so put them in
+# double quotes to make sure that they get re-expanded; and
+# * put everything else in single quotes, so that it's not re-expanded.
+
+set -- \
+ "-Dorg.gradle.appname=$APP_BASE_NAME" \
+ -classpath "$CLASSPATH" \
+ org.gradle.wrapper.GradleWrapperMain \
+ "$@"
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+# set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+ printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+ xargs -n1 |
+ sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+ tr '\n' ' '
+ )" '"$@"'
+
+exec "$JAVACMD" "$@"
diff --git a/orderfile/gradlew.bat b/orderfile/gradlew.bat
new file mode 100644
index 000000000..107acd32c
--- /dev/null
+++ b/orderfile/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/orderfile/settings.gradle b/orderfile/settings.gradle
new file mode 100644
index 000000000..761d7c1d6
--- /dev/null
+++ b/orderfile/settings.gradle
@@ -0,0 +1,10 @@
+dependencyResolutionManagement {
+ repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+ repositories {
+ google()
+ mavenCentral()
+ jcenter() // Warning: this repository is going to shut down soon
+ }
+}
+rootProject.name = "Orderfile Demo"
+include ':app'