gnunet-android

GNUnet for Android
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GnunetCoreService.kt (4183B)

      1 package org.gnu.gnunet.core
      2 
      3 import android.app.Notification
      4 import android.app.NotificationChannel
      5 import android.app.NotificationManager
      6 import android.app.PendingIntent
      7 import android.app.Service
      8 import android.content.Context
      9 import android.content.Intent
     10 import android.content.res.AssetManager
     11 import android.os.Build
     12 import android.os.Handler
     13 import android.os.HandlerThread
     14 import android.os.IBinder
     15 import android.util.Log
     16 import androidx.core.app.NotificationCompat
     17 import org.gnu.gnunet.R
     18 import org.gnu.gnunet.MainActivity
     19 import org.gnunet.gnunetmessenger.ipc.IAccountCallback
     20 import org.gnunet.gnunetmessenger.ipc.IChatCallback
     21 
     22 
     23 object NativeBridge {
     24     init {
     25         System.loadLibrary("gnunet")
     26     }
     27     external fun stringFromJNI(assets: AssetManager, path: String): String
     28     @JvmStatic external fun initCfgFromAsset(assetManager: AssetManager, assetName: String): Long
     29     @JvmStatic external fun destroyCfg(cfgPtr: Long)
     30     @JvmStatic external fun nativeStartChatUsingCfg(cfgPtr: Long, appName: String, cb: IChatCallback): Long
     31     @JvmStatic external fun nativeDisconnect(sessionHandle: Long)
     32     @JvmStatic external fun nativeGetProfileName(sessionHandle: Long): String
     33     @JvmStatic external fun nativeSetProfileName(sessionHandle: Long, name: String)
     34     @JvmStatic external fun nativeCreateAccount(sessionHandle: Long, name: String): Int
     35     @JvmStatic external fun nativeConnect(sessionHandle: Long, accountKey: String, accountName: String)
     36     @JvmStatic external fun nativeIterateAccounts(sessionHandle: Long, cb: IAccountCallback)
     37 }
     38 
     39 class GnunetCoreService : Service() {
     40 
     41     companion object {
     42         private const val TAG = "GnunetCoreService"
     43         private const val CHANNEL_ID = "gnunet_core_channel"
     44         private const val NOTIF_ID = 1001
     45     }
     46 
     47     private lateinit var thread: HandlerThread
     48     private lateinit var handler: Handler
     49 
     50     override fun onCreate() {
     51         super.onCreate()
     52         createNotificationChannel()
     53 
     54         // Vordergrunddienst starten (ab Android 8 Pflicht, wenn dauerhaft läuft)
     55         startForeground(NOTIF_ID, buildOngoingNotification())
     56 
     57         // Eigener Looper-Thread für GNUnet
     58         thread = HandlerThread("gnunet-core")
     59         thread.start()
     60         handler = Handler(thread.looper)
     61 
     62         // GNUnet-Start in den Worker-Thread verschieben (niemals im UI-Thread!)
     63         handler.post {
     64             try {
     65                 val res = NativeBridge.stringFromJNI(assets, filesDir.absolutePath)
     66                 Log.d(TAG, "GNUnet started: $res")
     67             } catch (t: Throwable) {
     68                 Log.e(TAG, "GNUnet start failed", t)
     69                 stopSelf()
     70             }
     71         }
     72     }
     73 
     74     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
     75         // dauerhaft laufen lassen
     76         return START_STICKY
     77     }
     78 
     79     override fun onDestroy() {
     80         super.onDestroy()
     81         if (this::thread.isInitialized) {
     82             thread.quitSafely()
     83         }
     84     }
     85 
     86     override fun onBind(intent: Intent?): IBinder? = null
     87 
     88     // ---- Notification Helfer ----
     89 
     90     private fun buildOngoingNotification(): Notification {
     91         // Optional: Tap öffnet deine App
     92         val contentIntent = PendingIntent.getActivity(
     93             this,
     94             0,
     95             Intent(this, MainActivity::class.java),
     96             PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT
     97         )
     98 
     99         return NotificationCompat.Builder(this, CHANNEL_ID)
    100             .setSmallIcon(R.mipmap.ic_launcher) // eigenes Icon verwenden
    101             .setContentTitle("GNUnet läuft")
    102             .setContentText("Der GNUnet-Dienst ist aktiv.")
    103             .setOngoing(true)
    104             .setContentIntent(contentIntent)
    105             .build()
    106     }
    107 
    108     private fun createNotificationChannel() {
    109         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
    110             val mgr = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
    111             val ch = NotificationChannel(
    112                 CHANNEL_ID,
    113                 "GNUnet Core",
    114                 NotificationManager.IMPORTANCE_LOW
    115             )
    116             mgr.createNotificationChannel(ch)
    117         }
    118     }
    119 }