feat(aprs): 4.5.4 APRS-IS network reporting (ported from APRSdroid 1.6.3d)
Core logic extracted from APRSdroid 1.6.3d (jadx reverse-engineered, verified against APRS spec): - core/domain/aprs/AprsPacket.kt: passcode algorithm (0x73E2 XOR), login line, uncompressed/compressed position encoding (ab0oo) - core/data/aprs/AprsIsClient.kt: APRS-IS TCP client (login + packet lines, 30s reconnect strategy) - core/data/aprs/AprsReporter.kt: periodic reporting scheduler (default 5 min, manual trigger support) - core/data/aprs/AprsStore.kt: SharedPreferences persistence (fill once, saved) - app/AprsForegroundService.kt: foreground service with notification (keeps APRS alive across pages), START_STICKY, last-known position provider - feature/settings/AprsCard.kt: APRS card between DataCard and OutputCard, gear button opens settings dialog (server/port/ callsign/ssid/passcode/interval/status/symbol), manual report button - Manifest: service registration + FOREGROUND_SERVICE(_DATA_SYNC) + POST_NOTIFICATIONS - Strings in EN/ZH/TR/IN/ID (23 keys x 5) - Version 4.5.4/454 + What's new 5 languages
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@@ -14,7 +14,10 @@
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.RECORD_AUDIO" />
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<application
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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:name=".MainApplication"
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android:allowBackup="false"
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android:icon="@mipmap/ic_launcher"
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@@ -45,5 +48,8 @@
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android:name="android.telephony.PROPERTY_SATELLITE_DATA_OPTIMIZED"
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android:value="com.rtbishop.look4sat.bg7nta" />
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<service
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android:name=".AprsForegroundService"
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android:exported="false" />
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</application>
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</manifest>
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@@ -0,0 +1,152 @@
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package com.rtbishop.look4sat.app
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import android.app.Notification
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import android.app.NotificationChannel
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import android.app.NotificationManager
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import android.app.PendingIntent
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import android.app.Service
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import android.content.Context
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import android.content.Intent
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import android.content.SharedPreferences
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import android.content.pm.ServiceInfo
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import android.os.Build
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import android.os.IBinder
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import com.rtbishop.look4sat.core.presentation.R
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import com.rtbishop.look4sat.core.data.aprs.AprsConfig
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import com.rtbishop.look4sat.core.data.aprs.AprsStore
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import com.rtbishop.look4sat.core.data.aprs.AprsReporter
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import com.rtbishop.look4sat.core.data.aprs.AprsState
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.SupervisorJob
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import kotlinx.coroutines.launch
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/**
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* APRS 前台服务:系统通知保活,切换页面不断线。
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* START_STICKY:被系统杀掉后自动重启(APRSdroid 同款策略)。
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*/
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class AprsForegroundService : Service() {
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companion object {
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const val ACTION_START = AprsStore.ACTION_START
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const val ACTION_STOP = AprsStore.ACTION_STOP
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const val ACTION_REPORT_NOW = AprsStore.ACTION_REPORT_NOW
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const val CHANNEL_ID = "aprs_service"
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const val NOTIF_ID = 101
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}
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private val scope = CoroutineScope(SupervisorJob() + Dispatchers.IO)
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private var reporter: AprsReporter? = null
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private var lastState: AprsState = AprsState.Idle
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override fun onBind(intent: Intent?): IBinder? = null
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override fun onCreate() {
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super.onCreate()
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createChannel()
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}
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override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
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when (intent?.action) {
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ACTION_STOP -> stopReporting()
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ACTION_REPORT_NOW -> reporter?.reportNow()
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else -> startReporting()
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}
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return START_STICKY
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}
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private fun startReporting() {
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val cfg = AprsStore.loadConfig(this)
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if (!cfg.enabled || cfg.callsign.isBlank()) {
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stopSelf()
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return
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}
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startForegroundWithNotification(cfg)
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val rep = AprsReporter(
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configProvider = { AprsStore.loadConfig(this) },
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positionProvider = { lastKnownPosition() },
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onState = { lastState = it },
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onReport = { updateNotification(cfg) }
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)
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reporter = rep
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rep.start()
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}
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private fun stopReporting() {
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reporter?.stop()
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reporter = null
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stopForeground(STOP_FOREGROUND_REMOVE)
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stopSelf()
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}
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private fun startForegroundWithNotification(cfg: AprsConfig) {
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val notif = buildNotification(cfg)
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
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startForeground(NOTIF_ID, notif, ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC)
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} else {
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startForeground(NOTIF_ID, notif)
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}
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}
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private fun buildNotification(cfg: AprsConfig): Notification {
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val pi = PendingIntent.getActivity(
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this, 0, packageManager.getLaunchIntentForPackage(packageName),
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PendingIntent.FLAG_IMMUTABLE
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)
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val stopPi = PendingIntent.getService(
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this, 1, Intent(this, AprsForegroundService::class.java).setAction(ACTION_STOP),
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PendingIntent.FLAG_IMMUTABLE
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)
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val stateText = when (lastState) {
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AprsState.Connected -> getString(R.string.aprs_notif_connected)
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AprsState.Error -> getString(R.string.aprs_notif_error)
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else -> getString(R.string.aprs_notif_running)
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}
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return Notification.Builder(this, CHANNEL_ID)
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.setSmallIcon(R.drawable.ic_radios)
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.setContentTitle(getString(R.string.aprs_notif_title, cfg.callsign))
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.setContentText(stateText)
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.setContentIntent(pi)
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.setOngoing(true)
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.addAction(0, getString(R.string.aprs_notif_stop), stopPi)
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.build()
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}
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private fun updateNotification(cfg: AprsConfig) {
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val nm = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
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nm.notify(NOTIF_ID, buildNotification(cfg))
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}
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/** 取最近已知位置(APRSdroid PeriodicGPS 同思路,无权限时返回 null) */
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private fun lastKnownPosition(): Pair<Double, Double>? {
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return runCatching {
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val lm = getSystemService(Context.LOCATION_SERVICE) as android.location.LocationManager
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val providers = listOf(
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android.location.LocationManager.GPS_PROVIDER,
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android.location.LocationManager.NETWORK_PROVIDER
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)
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for (p in providers) {
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val loc = lm.getLastKnownLocation(p) ?: continue
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if (loc.latitude != 0.0 || loc.longitude != 0.0) {
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return Pair(loc.latitude, loc.longitude)
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}
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}
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null
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}.getOrNull()
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}
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private fun createChannel() {
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val nm = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
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val channel = NotificationChannel(
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CHANNEL_ID, getString(R.string.aprs_notif_channel),
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NotificationManager.IMPORTANCE_LOW
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)
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nm.createNotificationChannel(channel)
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}
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override fun onDestroy() {
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reporter?.stop()
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reporter = null
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super.onDestroy()
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}
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}
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