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‎android/app/build.gradle.kts‎

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plugins {
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id("com.android.application")
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id("org.jetbrains.kotlin.android")
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id("org.jetbrains.kotlin.plugin.compose")
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id("com.google.devtools.ksp")
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}
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android {
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namespace = "com.synapse.lantransfer"
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compileSdk = 35
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defaultConfig {
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applicationId = "com.synapse.lantransfer"
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minSdk = 26
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targetSdk = 34
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versionCode = 1
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versionName = "1.0.0"
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}
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buildTypes {
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release {
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signingConfig = signingConfigs.getByName("debug")
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isMinifyEnabled = false
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proguardFiles(
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getDefaultProguardFile("proguard-android-optimize.txt"),
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"proguard-rules.pro"
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)
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_17
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targetCompatibility = JavaVersion.VERSION_17
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}
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kotlinOptions {
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jvmTarget = "17"
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}
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buildFeatures {
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compose = true
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}
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ksp {
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arg("room.schemaLocation", "$projectDir/schemas")
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}
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}
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dependencies {
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val composeBom = platform("androidx.compose:compose-bom:2024.12.01")
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implementation(composeBom)
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// Core
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implementation("androidx.core:core-ktx:1.15.0")
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implementation("androidx.appcompat:appcompat:1.7.0")
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implementation("androidx.documentfile:documentfile:1.0.1")
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implementation("com.google.android.material:material:1.12.0")
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implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.8.7")
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implementation("androidx.activity:activity-compose:1.9.3")
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// Compose UI
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implementation("androidx.compose.ui:ui")
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implementation("androidx.compose.ui:ui-graphics")
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implementation("androidx.compose.ui:ui-tooling-preview")
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implementation("androidx.compose.material3:material3")
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implementation("androidx.compose.material:material-icons-extended")
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implementation("androidx.compose.animation:animation")
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implementation("androidx.compose.foundation:foundation")
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// Navigation
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implementation("androidx.navigation:navigation-compose:2.8.5")
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// System UI Controller
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implementation("com.google.accompanist:accompanist-systemuicontroller:0.36.0")
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// Coil for image loading
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implementation("io.coil-kt:coil-compose:2.7.0")
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// Room Database
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implementation("androidx.room:room-runtime:2.6.1")
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implementation("androidx.room:room-ktx:2.6.1")
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ksp("androidx.room:room-compiler:2.6.1")
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// DataStore Preferences
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implementation("androidx.datastore:datastore-preferences:1.1.1")
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// Lifecycle & ViewModel
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implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.8.7")
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implementation("androidx.lifecycle:lifecycle-runtime-compose:2.8.7")
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// Coroutines
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implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.8.1")
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// Debug
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debugImplementation("androidx.compose.ui:ui-tooling")
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debugImplementation("androidx.compose.ui:ui-test-manifest")
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}

‎android/app/proguard-rules.pro‎

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# Proguard Rules for Synapse
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# Add project specific ProGuard rules here.

‎android/app/schemas/com.synapse.lantransfer.data.local.TransferDatabase/1.json‎

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{
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"formatVersion": 1,
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"database": {
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"version": 1,
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"identityHash": "0660dfc99c8ce53a9bd7ba9179af15bd",
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"entities": [
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{
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"tableName": "transfers",
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"createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `fileName` TEXT NOT NULL, `fileSize` INTEGER NOT NULL, `direction` TEXT NOT NULL, `status` TEXT NOT NULL, `peerName` TEXT NOT NULL, `peerAddress` TEXT NOT NULL, `timestamp` INTEGER NOT NULL, `errorMessage` TEXT)",
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"fields": [
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{
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"fieldPath": "id",
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"columnName": "id",
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"affinity": "INTEGER",
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"notNull": true
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},
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{
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"fieldPath": "fileName",
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"columnName": "fileName",
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"affinity": "TEXT",
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"notNull": true
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},
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{
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"fieldPath": "fileSize",
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"columnName": "fileSize",
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"affinity": "INTEGER",
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"notNull": true
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},
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{
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"fieldPath": "direction",
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"columnName": "direction",
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"affinity": "TEXT",
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"notNull": true
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},
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{
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"fieldPath": "status",
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"columnName": "status",
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"affinity": "TEXT",
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"notNull": true
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},
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{
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"fieldPath": "peerName",
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"columnName": "peerName",
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"affinity": "TEXT",
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"notNull": true
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},
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{
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"fieldPath": "peerAddress",
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"columnName": "peerAddress",
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"affinity": "TEXT",
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"notNull": true
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},
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{
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"fieldPath": "timestamp",
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"columnName": "timestamp",
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"affinity": "INTEGER",
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"notNull": true
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},
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{
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"fieldPath": "errorMessage",
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"columnName": "errorMessage",
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"affinity": "TEXT",
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"notNull": false
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}
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],
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"primaryKey": {
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"autoGenerate": true,
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"columnNames": [
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"id"
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]
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},
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"indices": [],
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"foreignKeys": []
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}
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],
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"views": [],
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"setupQueries": [
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"CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
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"INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '0660dfc99c8ce53a9bd7ba9179af15bd')"
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]
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}
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}

‎android/app/src/main/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
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<uses-permission android:name="android.permission.CHANGE_WIFI_MULTICAST_STATE" />
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<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
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<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
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<!-- Granular media permissions for Android 13+ (API 33) -->
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<uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
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<uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
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<uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />
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<!-- Foreground service for active transfers -->
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<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
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<uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
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<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
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<application
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android:allowBackup="true"
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android:icon="@drawable/pigeon_logo"
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android:label="@string/app_name"
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android:roundIcon="@drawable/pigeon_logo"
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android:supportsRtl="true"
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android:theme="@style/Theme.Synapse"
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android:usesCleartextTraffic="false">
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<activity
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android:name=".MainActivity"
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android:exported="true"
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android:theme="@style/Theme.Synapse">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<service
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android:name=".data.service.TransferForegroundService"
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android:foregroundServiceType="dataSync"
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android:exported="false" />
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</application>
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</manifest>

‎android/app/src/main/java/com/synapse/lantransfer/MainActivity.kt‎

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package com.synapse.lantransfer
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import android.Manifest
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import android.content.pm.PackageManager
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import android.os.Build
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import android.os.Bundle
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import androidx.activity.ComponentActivity
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import androidx.activity.compose.setContent
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import androidx.activity.result.contract.ActivityResultContracts
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import androidx.core.content.ContextCompat
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import androidx.core.view.WindowCompat
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import com.synapse.lantransfer.ui.navigation.SynapseApp
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import com.synapse.lantransfer.ui.theme.SynapseTheme
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class MainActivity : ComponentActivity() {
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private val permissionLauncher = registerForActivityResult(
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ActivityResultContracts.RequestMultiplePermissions()
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) { /* Permissions handled — the app works with or without them */ }
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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// Let Compose handle the system windows (draw under status bar/nav bar)
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WindowCompat.setDecorFitsSystemWindows(window, false)
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// Request necessary permissions
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requestPermissions()
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setContent {
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SynapseTheme {
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SynapseApp()
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}
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}
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}
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private fun requestPermissions() {
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val permissions = mutableListOf<String>()
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// Network permissions (always needed)
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if (!hasPermission(Manifest.permission.INTERNET)) {
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permissions.add(Manifest.permission.INTERNET)
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}
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// Storage permissions
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
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// Android 13+ uses granular media permissions
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if (!hasPermission(Manifest.permission.READ_MEDIA_IMAGES))
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permissions.add(Manifest.permission.READ_MEDIA_IMAGES)
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if (!hasPermission(Manifest.permission.READ_MEDIA_VIDEO))
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permissions.add(Manifest.permission.READ_MEDIA_VIDEO)
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if (!hasPermission(Manifest.permission.READ_MEDIA_AUDIO))
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permissions.add(Manifest.permission.READ_MEDIA_AUDIO)
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// Notification permission for foreground service
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if (!hasPermission(Manifest.permission.POST_NOTIFICATIONS))
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permissions.add(Manifest.permission.POST_NOTIFICATIONS)
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} else {
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// Legacy storage permissions
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if (!hasPermission(Manifest.permission.READ_EXTERNAL_STORAGE))
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permissions.add(Manifest.permission.READ_EXTERNAL_STORAGE)
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if (!hasPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE))
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permissions.add(Manifest.permission.WRITE_EXTERNAL_STORAGE)
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}
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if (permissions.isNotEmpty()) {
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permissionLauncher.launch(permissions.toTypedArray())
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}
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}
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private fun hasPermission(permission: String): Boolean {
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return ContextCompat.checkSelfPermission(this, permission) ==
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PackageManager.PERMISSION_GRANTED
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}
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}

‎android/app/src/main/java/com/synapse/lantransfer/data/local/PreferencesManager.kt‎

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package com.synapse.lantransfer.data.local
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import android.content.Context
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import android.os.Build
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import android.os.Environment
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import androidx.datastore.core.DataStore
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import androidx.datastore.preferences.core.*
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import androidx.datastore.preferences.preferencesDataStore
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import kotlinx.coroutines.flow.Flow
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import kotlinx.coroutines.flow.map
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import java.io.File
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/** DataStore instance scoped to the application context. */
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private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "synapse_settings")
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/**
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* Manages user preferences using Jetpack DataStore.
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* Provides reactive flows for all settings and suspend functions for mutations.
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*/
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class PreferencesManager(private val context: Context) {
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companion object {
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private val KEY_DEVICE_NAME = stringPreferencesKey("device_name")
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private val KEY_DOWNLOAD_DIR = stringPreferencesKey("download_dir")
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private val KEY_AUTO_ACCEPT = booleanPreferencesKey("auto_accept")
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/** Default download directory */
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fun defaultDownloadDir(): String {
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val downloads = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
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return File(downloads, "Synapse").absolutePath
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}
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/** Default device name based on the device model */
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fun defaultDeviceName(): String {
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val manufacturer = Build.MANUFACTURER.replaceFirstChar { it.uppercase() }
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val model = Build.MODEL
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return if (model.startsWith(manufacturer, ignoreCase = true)) {
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model
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} else {
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"$manufacturer $model"
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}
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}
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}
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/** Reactive flow of the device name setting. */
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val deviceName: Flow<String> = context.dataStore.data.map { prefs ->
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prefs[KEY_DEVICE_NAME] ?: defaultDeviceName()
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}
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/** Reactive flow of the download directory setting. */
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val downloadDir: Flow<String> = context.dataStore.data.map { prefs ->
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prefs[KEY_DOWNLOAD_DIR] ?: defaultDownloadDir()
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}
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/** Reactive flow of the auto-accept setting. */
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val autoAccept: Flow<Boolean> = context.dataStore.data.map { prefs ->
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prefs[KEY_AUTO_ACCEPT] ?: false
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}
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suspend fun setDeviceName(name: String) {
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context.dataStore.edit { prefs ->
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prefs[KEY_DEVICE_NAME] = name
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}
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}
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suspend fun setDownloadDir(dir: String) {
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context.dataStore.edit { prefs ->
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prefs[KEY_DOWNLOAD_DIR] = dir
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}
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}
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suspend fun setAutoAccept(enabled: Boolean) {
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context.dataStore.edit { prefs ->
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prefs[KEY_AUTO_ACCEPT] = enabled
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}
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}
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}

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