commit 91b3bb4f8ae7e43cc26af3c81df78f45074aff3b
Author: AceDroidX <15519693+AceDroidX@users.noreply.github.com>
Date:   Sun Dec 13 00:51:51 2020 +0800

    Initial commit

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..dfe0770
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+# Auto detect text files and perform LF normalization
+* text=auto
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d79aa7b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,87 @@
+# Built application files
+*.apk
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+#  Uncomment the following line in case you need and you don't have the release build type files in your app
+# release/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# IntelliJ
+*.iml
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+# Android Studio 3 in .gitignore file.
+.idea/caches
+.idea/modules.xml
+# Comment next line if keeping position of elements in Navigation Editor is relevant for you
+.idea/navEditor.xml
+
+# Keystore files
+# Uncomment the following lines if you do not want to check your keystore files in.
+#*.jks
+#*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+
+# Google Services (e.g. APIs or Firebase)
+# google-services.json
+
+# Freeline
+freeline.py
+freeline/
+freeline_project_description.json
+
+# fastlane
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots
+fastlane/test_output
+fastlane/readme.md
+
+# Version control
+vcs.xml
+
+# lint
+lint/intermediates/
+lint/generated/
+lint/outputs/
+lint/tmp/
+# lint/reports/
+
+keystore.properties
+.idea
+
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..b09cd78
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,201 @@
+Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+      the terms of any separate license agreement you may have executed
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+   6. Trademarks. This License does not grant permission to use the trade
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+      agreed to in writing, Licensor provides the Work (and each
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+      whether in tort (including negligence), contract, or otherwise,
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+      negligent acts) or agreed to in writing, shall any Contributor be
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+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
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+   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
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+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
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diff --git a/README.md b/README.md
new file mode 100644
index 0000000..3df5233
--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+# frp-Android
+ frp client for Android
diff --git a/app/.gitignore b/app/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
new file mode 100644
index 0000000..086d999
--- /dev/null
+++ b/app/build.gradle
@@ -0,0 +1,63 @@
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+}
+
+def keystorePropertiesFile = rootProject.file("keystore.properties")
+def keystoreProperties = new Properties()
+keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+
+android {
+    signingConfigs {
+        AceKeystore {
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile file(keystoreProperties['storeFile'])
+            storePassword keystoreProperties['storePassword']
+        }
+    }
+    compileSdkVersion 29
+    buildToolsVersion "30.0.3"
+
+    defaultConfig {
+        applicationId "io.github.acedroidx.frp"
+        minSdkVersion 22
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+
+        signingConfig signingConfigs.AceKeystore
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.AceKeystore
+        }
+        debug {
+            signingConfig signingConfigs.AceKeystore
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.core:core-ktx:1.3.2'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.2.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    testImplementation 'junit:junit:4.13.1'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+}
\ No newline at end of file
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/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
\ No newline at end of file
diff --git a/app/release/output-metadata.json b/app/release/output-metadata.json
new file mode 100644
index 0000000..e8d2627
--- /dev/null
+++ b/app/release/output-metadata.json
@@ -0,0 +1,18 @@
+{
+  "version": 2,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "io.github.acedroidx.frp",
+  "variantName": "processReleaseResources",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "versionCode": 1,
+      "versionName": "1.0",
+      "outputFile": "app-release.apk"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/app/src/androidTest/java/io/github/acedroidx/frp/ExampleInstrumentedTest.kt b/app/src/androidTest/java/io/github/acedroidx/frp/ExampleInstrumentedTest.kt
new file mode 100644
index 0000000..9262219
--- /dev/null
+++ b/app/src/androidTest/java/io/github/acedroidx/frp/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package io.github.acedroidx.frp
+
+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("io.github.acedroidx.frp", appContext.packageName)
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..fffe159
--- /dev/null
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.github.acedroidx.frp">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Frp">
+        <activity android:name=".ConfigActivity" />
+        <activity android:name=".AboutActivity" />
+
+        <meta-data
+            android:name="Website"
+            android:value="https://acedroidx.github.io/?a=frp"/>
+
+        <service
+            android:name=".ShellService"
+            android:enabled="true"
+            android:exported="true" />
+
+        <activity
+            android:name=".MainActivity"
+            android:launchMode="singleInstance">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
\ No newline at end of file
diff --git a/app/src/main/assets/config.ini b/app/src/main/assets/config.ini
new file mode 100644
index 0000000..c33b130
--- /dev/null
+++ b/app/src/main/assets/config.ini
@@ -0,0 +1,15 @@
+[common]
+server_addr =
+server_port = 7000
+dns_server = 114.114.114.114
+
+# dont change this
+log_file = ./frpc.log
+
+[p2p_visitor]
+type = xtcp
+role = visitor
+server_name =
+sk =
+bind_addr = 127.0.0.1
+bind_port = 6000
\ No newline at end of file
diff --git a/app/src/main/assets/frpc_0.34.3_linux_arm64 b/app/src/main/assets/frpc_0.34.3_linux_arm64
new file mode 100644
index 0000000..30eca43
Binary files /dev/null and b/app/src/main/assets/frpc_0.34.3_linux_arm64 differ
diff --git a/app/src/main/java/io/github/acedroidx/frp/AboutActivity.kt b/app/src/main/java/io/github/acedroidx/frp/AboutActivity.kt
new file mode 100644
index 0000000..5bf086b
--- /dev/null
+++ b/app/src/main/java/io/github/acedroidx/frp/AboutActivity.kt
@@ -0,0 +1,49 @@
+package io.github.acedroidx.frp
+
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.os.Bundle
+import android.util.Log
+import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
+
+class AboutActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_about)
+
+        val versionText = findViewById<TextView>(R.id.textView_version)
+        try {
+            versionText.text = "V$versionName"
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+
+        val websiteText = findViewById<TextView>(R.id.textView_website)
+        val appInfo = this.packageManager
+            .getApplicationInfo(
+                this.packageName,
+                PackageManager.GET_META_DATA
+            )
+        val url = appInfo.metaData.getString("Website")
+        websiteText.text = url
+        websiteText.setOnClickListener {
+            val intent = Intent(Intent.ACTION_VIEW)
+            websiteText.text = url
+            intent.data = Uri.parse(url)
+            startActivity(intent)
+        }
+    }
+
+    // 获取packagemanager的实例
+    // getPackageName()是你当前类的包名，0代表是获取版本信息
+    val versionName: String
+        get() {
+            val packageManager = packageManager
+            val packInfo = packageManager?.getPackageInfo(packageName, 0)
+            Log.d("wxxDebugAbout", packInfo!!.versionName)
+            return packInfo.versionName
+        }
+}
diff --git a/app/src/main/java/io/github/acedroidx/frp/ConfigActivity.kt b/app/src/main/java/io/github/acedroidx/frp/ConfigActivity.kt
new file mode 100644
index 0000000..4236f8e
--- /dev/null
+++ b/app/src/main/java/io/github/acedroidx/frp/ConfigActivity.kt
@@ -0,0 +1,50 @@
+package io.github.acedroidx.frp
+
+import android.content.Context
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.util.Log
+import android.widget.Button
+import android.widget.EditText
+
+class ConfigActivity : AppCompatActivity() {
+    val configname = "config.ini"
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_config)
+
+        val saveConfigButton = findViewById<Button>(R.id.saveConfigButton)
+        saveConfigButton.setOnClickListener { saveConfig();finish() }
+        val dontSaveConfigButton = findViewById<Button>(R.id.dontSaveConfigButton)
+        dontSaveConfigButton.setOnClickListener { finish() }
+
+        readConfig()
+    }
+
+    fun readConfig() {
+        val files: Array<String> = this.fileList()
+        val configEditText = findViewById<EditText>(R.id.configEditText)
+        if (files.contains(configname)) {
+            val mReader = this.openFileInput(configname).bufferedReader()
+            val mRespBuff = StringBuffer()
+            val buff = CharArray(1024)
+            var ch = 0
+            while (mReader.read(buff).also { ch = it } != -1) {
+                mRespBuff.append(buff, 0, ch)
+            }
+            mReader.close()
+            configEditText.setText(mRespBuff.toString())
+        } else {
+            configEditText.setText("")
+        }
+    }
+
+    fun saveConfig() {
+        val configEditText = findViewById<EditText>(R.id.configEditText)
+        this.openFileOutput(configname, Context.MODE_PRIVATE).use {
+            it.write(configEditText.text.toString().toByteArray())
+//            Log.d("adx",configEditText.text.toString())
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/github/acedroidx/frp/MainActivity.kt b/app/src/main/java/io/github/acedroidx/frp/MainActivity.kt
new file mode 100644
index 0000000..eaf2f0d
--- /dev/null
+++ b/app/src/main/java/io/github/acedroidx/frp/MainActivity.kt
@@ -0,0 +1,175 @@
+package io.github.acedroidx.frp
+
+import android.app.*
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
+import android.content.ServiceConnection
+import android.os.Build
+import android.os.Bundle
+import android.os.IBinder
+import android.util.Log
+import android.widget.Button
+import android.widget.TextView
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.widget.SwitchCompat
+import androidx.core.app.NotificationCompat
+import java.io.File
+import kotlin.math.log
+
+
+class MainActivity : AppCompatActivity() {
+    val filename = "frpc_0.34.3_linux_arm64"
+    val logname = "frpc.log"
+    val configname = "config.ini"
+
+    private lateinit var state_switch: SwitchCompat
+
+    private lateinit var mService: ShellService
+    private var mBound: Boolean = false
+
+    /** Defines callbacks for service binding, passed to bindService()  */
+    private val connection = object : ServiceConnection {
+
+        override fun onServiceConnected(className: ComponentName, service: IBinder) {
+            // We've bound to LocalService, cast the IBinder and get LocalService instance
+            val binder = service as ShellService.LocalBinder
+            mService = binder.getService()
+            mBound = true
+            state_switch.isChecked = true
+        }
+
+        override fun onServiceDisconnected(arg0: ComponentName) {
+            mBound = false
+            state_switch.isChecked = false
+        }
+    }
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        checkBinary()
+        checkConfig()
+        createBGNotificationChannel()
+
+        mBound = isServiceRunning(ShellService::class.java)
+        state_switch = findViewById<SwitchCompat>(R.id.state_switch)
+        state_switch.isChecked = mBound
+        state_switch.setOnCheckedChangeListener { buttonView, isChecked -> if (isChecked) (startShell()) else (stopShell()) }
+        if (mBound) {
+            val intent = Intent(this, ShellService::class.java)
+            bindService(intent, connection, Context.BIND_AUTO_CREATE)
+        }
+
+        setListener()
+    }
+
+    private fun setListener() {
+        val configButton = findViewById<Button>(R.id.configButton)
+        configButton.setOnClickListener {
+            val intent = Intent(this, ConfigActivity::class.java)
+            //intent.putExtra("type",type+"/"+l);
+            startActivity(intent)
+        }
+        val aboutButton = findViewById<Button>(R.id.aboutButton)
+        aboutButton.setOnClickListener { startActivity(Intent(this, AboutActivity::class.java)) }
+        val refreshButton = findViewById<Button>(R.id.refreshButton)
+        refreshButton.setOnClickListener {
+            readLog()
+        }
+        val deleteButton = findViewById<Button>(R.id.deleteButton)
+        deleteButton.setOnClickListener {
+            val logfile = File(this.filesDir.toString() + "/$logname")
+            Log.d("adx", logfile.absoluteFile.toString())
+            logfile.delete()
+            readLog()
+        }
+    }
+
+    fun readLog() {
+        val files: Array<String> = this.fileList()
+        val logTextView = findViewById<TextView>(R.id.logTextView)
+        if (files.contains(logname)) {
+            val mReader = this.openFileInput(logname).bufferedReader()
+            val mRespBuff = StringBuffer()
+            val buff = CharArray(1024)
+            var ch = 0
+            while (mReader.read(buff).also { ch = it } != -1) {
+                mRespBuff.append(buff, 0, ch)
+            }
+            mReader.close()
+            logTextView.text = mRespBuff.toString()
+        } else {
+            logTextView.text = "无日志"
+        }
+    }
+
+    fun checkBinary() {
+        val files: Array<String> = this.fileList()
+        Log.d("adx", files.joinToString(","))
+        if (!files.contains(filename)) {
+            val assetmanager = resources.assets
+            this.openFileOutput(filename, Context.MODE_PRIVATE).use {
+                it.write(assetmanager.open((filename)).readBytes())
+            }
+            val file = File(this.filesDir.toString() + "/$filename")
+            file.setExecutable(true)
+        }
+    }
+
+    fun checkConfig() {
+        val files: Array<String> = this.fileList()
+        Log.d("adx", files.joinToString(","))
+        if (!files.contains(configname)) {
+            val assetmanager = resources.assets
+            this.openFileOutput(configname, Context.MODE_PRIVATE).use {
+                it.write(assetmanager.open((configname)).readBytes())
+            }
+        }
+    }
+
+    private fun startShell() {
+        val intent = Intent(this, ShellService::class.java)
+        intent.putExtra("filename", filename)
+        startService(intent)
+        // Bind to LocalService
+        bindService(intent, connection, Context.BIND_AUTO_CREATE)
+    }
+
+    private fun stopShell() {
+        val intent = Intent(this, ShellService::class.java)
+        unbindService(connection)
+        stopService(intent)
+    }
+
+    private fun createBGNotificationChannel() {
+        // Create the NotificationChannel, but only on API 26+ because
+        // the NotificationChannel class is new and not in the support library
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            val name = "frp后台服务"
+            val descriptionText = "frp后台服务通知"
+            val importance = NotificationManager.IMPORTANCE_MIN
+            val channel = NotificationChannel("shell_bg", name, importance).apply {
+                description = descriptionText
+            }
+            // Register the channel with the system
+            val notificationManager: NotificationManager =
+                getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+            notificationManager.createNotificationChannel(channel)
+        }
+    }
+
+    private fun isServiceRunning(serviceClass: Class<*>): Boolean {
+        val manager =
+            getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager
+        for (service in manager.getRunningServices(Int.MAX_VALUE)) {
+            if (serviceClass.name == service.service.className) {
+                return true
+            }
+        }
+        return false
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/github/acedroidx/frp/ShellService.kt b/app/src/main/java/io/github/acedroidx/frp/ShellService.kt
new file mode 100644
index 0000000..ed1b60f
--- /dev/null
+++ b/app/src/main/java/io/github/acedroidx/frp/ShellService.kt
@@ -0,0 +1,86 @@
+package io.github.acedroidx.frp
+
+import android.app.Notification
+import android.app.PendingIntent
+import android.app.Service
+import android.content.Intent
+import android.os.Binder
+import android.os.IBinder
+import android.util.Log
+import android.widget.Toast
+import androidx.core.app.NotificationCompat
+import java.io.BufferedReader
+import java.io.InputStreamReader
+import java.util.*
+
+class ShellService : Service() {
+    var p: Process? = null
+
+
+    // Binder given to clients
+    private val binder = LocalBinder()
+
+    // Random number generator
+    private val mGenerator = Random()
+
+    /** method for clients  */
+    val randomNumber: Int
+        get() = mGenerator.nextInt(100)
+
+    /**
+     * Class used for the client Binder.  Because we know this service always
+     * runs in the same process as its clients, we don't need to deal with IPC.
+     */
+    inner class LocalBinder : Binder(), IBinder {
+        // Return this instance of LocalService so clients can call public methods
+        fun getService(): ShellService = this@ShellService
+    }
+
+    override fun onBind(intent: Intent): IBinder {
+        return binder
+    }
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        var filename = ""
+        if (p != null) {
+            Log.w("adx", "process isn't null,service won't start")
+            Toast.makeText(this, "process isn't null,service won't start", Toast.LENGTH_SHORT)
+                .show()
+            return START_NOT_STICKY
+        }
+        if (intent != null) {
+            filename = intent.extras?.get("filename") as String
+        } else {
+            filename = "Error:filename unknown!!!"
+            Log.e("adx", filename)
+            Toast.makeText(this, filename, Toast.LENGTH_LONG).show()
+            stopSelf()
+            return START_NOT_STICKY
+        }
+        p = Runtime.getRuntime().exec("./$filename -c config.ini", arrayOf(""), this.filesDir)
+        Toast.makeText(this, "已启动服务", Toast.LENGTH_SHORT).show()
+        startForeground(1, showMotification());
+        return START_NOT_STICKY
+    }
+
+    override fun onDestroy() {
+        p?.destroy()
+        p = null
+        Toast.makeText(this, "已关闭服务", Toast.LENGTH_SHORT).show()
+    }
+
+    private fun showMotification(): Notification {
+        val pendingIntent: PendingIntent =
+            Intent(this, MainActivity::class.java).let { notificationIntent ->
+                PendingIntent.getActivity(this, 0, notificationIntent, 0)
+            }
+        val notification: Notification = NotificationCompat.Builder(this, "shell_bg")
+            .setSmallIcon(R.drawable.ic_launcher_foreground)
+            .setContentTitle("frp后台服务")
+            .setContentText("已启动frp")
+            //.setTicker("test")
+            .setContentIntent(pendingIntent)
+            .build()
+        return notification
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..2b068d1
--- /dev/null
+++ b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..07d5da9
--- /dev/null
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
diff --git a/app/src/main/res/layout/activity_about.xml b/app/src/main/res/layout/activity_about.xml
new file mode 100644
index 0000000..14f308c
--- /dev/null
+++ b/app/src/main/res/layout/activity_about.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                android:orientation="vertical"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent">
+
+    <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceLarge"
+            android:text="@string/app_name"
+            android:id="@+id/textView4"
+            android:layout_above="@+id/textView_version" android:layout_centerHorizontal="true"/>
+    <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceLarge"
+            android:text="Vnull"
+            android:id="@+id/textView_version" android:layout_centerVertical="true"
+            android:layout_centerHorizontal="true"/>
+    <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceLarge"
+            android:text="By AceDroidX"
+            android:id="@+id/textView_copyright"
+            android:layout_below="@+id/textView_version" android:layout_centerHorizontal="true"/>
+    <TextView
+            android:text="https://acedroidx.github.io/?a=null"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:id="@+id/textView_website"
+            android:layout_below="@+id/textView_copyright" android:layout_centerHorizontal="true"/>
+</RelativeLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_config.xml b/app/src/main/res/layout/activity_config.xml
new file mode 100644
index 0000000..8b771fd
--- /dev/null
+++ b/app/src/main/res/layout/activity_config.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context=".ConfigActivity">
+
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+
+        <Button
+            android:id="@+id/saveConfigButton"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="保存" />
+
+        <Button
+            android:id="@+id/dontSaveConfigButton"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="不保存" />
+
+    </LinearLayout>
+
+    <EditText
+        android:id="@+id/configEditText"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:ems="10"
+        android:gravity="start|top"
+        android:inputType="textMultiLine"
+        android:textColor="?android:attr/textColorPrimary"
+        android:textSize="12sp"
+        android:typeface="monospace" />
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..66e1c6d
--- /dev/null
+++ b/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context=".MainActivity">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical" >
+
+            <TextView
+                android:id="@+id/textView2"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="frp for Android"
+                android:textColor="?android:attr/textColorPrimary"
+                android:textSize="24sp" />
+
+            <androidx.appcompat.widget.SwitchCompat
+                android:id="@+id/state_switch"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="切换开关" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:orientation="horizontal">
+
+                <Button
+                    android:id="@+id/configButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="设置" />
+
+                <Button
+                    android:id="@+id/aboutButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="关于" />
+            </LinearLayout>
+
+            <Space
+                android:layout_width="match_parent"
+                android:layout_height="40sp" />
+
+            <TextView
+                android:id="@+id/textView5"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="frp日志"
+                android:textColor="?android:attr/textColorPrimary" />
+
+            <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal">
+
+                <Button
+                    android:id="@+id/refreshButton"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:text="刷新" />
+
+                <Button
+                    android:id="@+id/deleteButton"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:text="清除" />
+
+            </LinearLayout>
+
+            <TextView
+                android:id="@+id/logTextView"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="无日志"
+                android:textColor="?android:attr/textColorPrimary"
+                android:typeface="monospace" />
+
+        </LinearLayout>
+    </ScrollView>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..eca70cf
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..eca70cf
--- /dev/null
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..a571e60
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000..61da551
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..c41dd28
Binary files /dev/null and b/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000..db5080a
Binary files /dev/null and b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..6dba46d
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..da31a87
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..15ac681
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..b216f2d
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..f25a419
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..e96783c
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/values-night/themes.xml b/app/src/main/res/values-night/themes.xml
new file mode 100644
index 0000000..2ec2380
--- /dev/null
+++ b/app/src/main/res/values-night/themes.xml
@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Frp" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..f8c6127
--- /dev/null
+++ b/app/src/main/res/values/colors.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..08b9fde
--- /dev/null
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">frp</string>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
new file mode 100644
index 0000000..8c2d17d
--- /dev/null
+++ b/app/src/main/res/values/themes.xml
@@ -0,0 +1,17 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Frp" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+        <item name="android:textColorPrimary">@color/black</item>
+    </style>
+</resources>
\ No newline at end of file
diff --git a/app/src/test/java/io/github/acedroidx/frp/ExampleUnitTest.kt b/app/src/test/java/io/github/acedroidx/frp/ExampleUnitTest.kt
new file mode 100644
index 0000000..b03d2ae
--- /dev/null
+++ b/app/src/test/java/io/github/acedroidx/frp/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package io.github.acedroidx.frp
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..ea6e2ae
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,26 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    ext.kotlin_version = "1.3.72"
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath "com.android.tools.build:gradle:4.1.1"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..98bed16
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,21 @@
+# 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
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..f6b961f
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..eae98e3
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Sat Dec 12 16:31:09 CST 2020
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
diff --git a/gradlew b/gradlew
new file mode 100644
index 0000000..cccdd3d
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$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" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..f955316
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,84 @@
+@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 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=
+
+@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 init
+
+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 init
+
+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
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+: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 %CMD_LINE_ARGS%
+
+: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/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..1f28a59
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,2 @@
+include ':app'
+rootProject.name = "frp"
\ No newline at end of file