diff --git a/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/build.gradle b/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/build.gradle
new file mode 100644
index 00000000..d4384c65
--- /dev/null
+++ b/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/build.gradle
@@ -0,0 +1,53 @@
+plugins {
+ id 'com.android.application'
+ id 'kotlin-android'
+}
+
+android {
+ compileSdkVersion 30
+ buildToolsVersion "30.0.3"
+
+ buildFeatures{
+ viewBinding true
+ }
+
+ defaultConfig {
+ applicationId "com.example.aipd"
+ minSdkVersion 24
+ targetSdkVersion 30
+ versionCode 1
+ versionName "1.0"
+
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+
+ 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'
+ }
+}
+
+dependencies {
+
+ implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+ //implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+ implementation 'androidx.core:core-ktx:1.6.0'
+ implementation 'androidx.appcompat:appcompat:1.3.0'
+ implementation 'com.google.android.material:material:1.3.0' //1.3.0
+ implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+ //testImplementation 'junit:junit:4.13.2'
+ testImplementation 'junit:junit:4.+'
+ androidTestImplementation 'androidx.test.ext:junit:1.1.2' //1.1.2
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0' //3.3.0
+ implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.8"
+ implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.8"
+}
\ No newline at end of file
diff --git a/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/proguard-rules.pro b/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/proguard-rules.pro
new file mode 100644
index 00000000..481bb434
--- /dev/null
+++ b/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/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/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/src/androidTest/java/com/example/aipd/ExampleInstrumentedTest.kt b/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/src/androidTest/java/com/example/aipd/ExampleInstrumentedTest.kt
new file mode 100644
index 00000000..32f1663b
--- /dev/null
+++ b/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/src/androidTest/java/com/example/aipd/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package com.example.aipd
+
+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.aipd", appContext.packageName)
+ }
+}
\ No newline at end of file
diff --git a/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/src/main/AndroidManifest.xml b/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/src/main/AndroidManifest.xml
new file mode 100644
index 00000000..066f42b2
--- /dev/null
+++ b/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/src/main/AndroidManifest.xml
@@ -0,0 +1,29 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/src/main/java/com/example/aipd/MainActivity.kt b/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/src/main/java/com/example/aipd/MainActivity.kt
new file mode 100644
index 00000000..2a89742e
--- /dev/null
+++ b/arc_design_contest/2021/NYCU_AIoT_PD_foot_pressure_sensing_insole/AIPD/app/src/main/java/com/example/aipd/MainActivity.kt
@@ -0,0 +1,143 @@
+package com.example.aipd
+
+import android.content.Context
+import android.content.DialogInterface
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.text.Editable
+import android.text.TextWatcher
+import android.util.Log.d
+import android.view.View
+import android.widget.Button
+import android.widget.EditText
+import androidx.appcompat.app.AlertDialog
+import androidx.core.widget.addTextChangedListener
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.google.android.material.snackbar.Snackbar
+
+class MainActivity : AppCompatActivity() {
+
+
+
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContentView(R.layout.activity_main)
+
+
+ val usrName = findViewById(R.id.userName)
+ val passWord = findViewById(R.id.password)
+ val signInButton = findViewById