Project_SylDa/android/app/build.gradle
eddy 81abf2d824 Replace BLE encryption with HMAC-only auth, add buildnr, fix post-flash flow
BLE bonding/encryption removed — HMAC-SHA256 on application level provides
authentication + replay protection. Eliminates bonding state bugs, write
queue issues, and GATT_INSUFFICIENT_AUTHENTICATION complexity.

Firmware:
- Remove BLESecurity, setRespEncryptionKey, ESP_GATT_PERM_WRITE_ENCRYPTED
- Characteristic permission: ESP_GATT_PERM_WRITE (no encryption required)
- Characteristic property: PROPERTY_WRITE_NR (Write Without Response)
  Enables direct ON/OFF sequences without ACK wait time

Android:
- Remove bondReceiver, createBond, bonding state handling
- Remove write queue / pendingRelayState / writeInProgress
- Use WRITE_TYPE_NO_RESPONSE for minimal latency
- Post-flash dialog auto-dismisses on USB detach (currentAction = NONE)
- Separate progressDialog (flash progress) from dialog (post-flash info)
- Detach during active action now calls cleanupAction()

Build number:
- BuildConfig.BUILD_NUMBER in build.gradle as yyyyMMddHHmmss timestamp
- buildFeatures.buildConfig enabled
- Displayed in SettingsActivity bottom (12sp, secondary color)

Gradle:
- Wrapper upgraded 8.5 → 8.14
- minSdk 24 → 26 (Android 8+)

README updated to reflect HMAC-only security model.
2026-07-26 15:46:28 +02:00

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Groovy

plugins {
id 'com.android.application'
id 'org.jetbrains.kotlin.android'
}
android {
namespace 'com.eddy.atomrelay'
compileSdk 34
defaultConfig {
applicationId "com.eddy.atomrelay"
minSdk 26
targetSdk 34
versionCode 1
versionName "1.0"
buildConfigField "String", "BUILD_NUMBER", "\"${new java.text.SimpleDateFormat("yyyyMMddHHmmss").format(new Date())}\""
}
buildFeatures {
buildConfig true
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_17
targetCompatibility JavaVersion.VERSION_17
}
kotlinOptions {
jvmTarget = '17'
}
}
dependencies {
implementation 'androidx.core:core-ktx:1.12.0'
implementation 'androidx.appcompat:appcompat:1.6.1'
implementation 'io.github.dkaukov:esp32-flash-lib:1.1.17'
implementation 'com.eclipsesource.minimal-json:minimal-json:0.9.5'
implementation 'org.slf4j:slf4j-nop:2.0.16'
}