add error notification

app/build.gradle.kts

@@ -14,8 +14,8 @@ android {
         applicationId = "de.felixnuesse.disky"
         minSdk = 30
         targetSdk = 34
-        versionCode = 6
-        versionName = "1.1.0"
+        versionCode = 7
+        versionName = "1.2.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/java/de/felixnuesse/disky/background/ScanService.kt

@@ -2,10 +2,15 @@ package de.felixnuesse.disky.background
 
 import android.app.NotificationChannel
 import android.app.NotificationManager
+import android.app.PendingIntent
 import android.app.Service
 import android.app.usage.StorageStatsManager
+import android.content.BroadcastReceiver
+import android.content.ClipData
+import android.content.ClipboardManager
 import android.content.Context
 import android.content.Intent
+import android.content.IntentFilter
 import android.content.pm.ServiceInfo
 import android.os.Build
 import android.os.IBinder
@@ -49,7 +54,11 @@ class ScanService: Service(), ScannerCallback {
         val SCAN_REFRESH_REQUESTED = "SCAN_REFRESH_REQUESTED"
         val SCAN_PROGRESSED = "SCAN_PROGRESSED"
         private val NOTIFICATION_CHANNEL_ID = "general_notification_channel"
+        private val ERROR_NOTIFICATION_CHANNEL_ID = "error_notification_channel"
+        private val ERROR_COPY_INTENT_ACTION = "de.felixnuesse.disky.background.ACTION_COPY_ERROR"
         private val NOTIFICATION_ID = 5691
+        private val ERROR_NOTIFICATION_ID = 5692
+        private val CLIPBOARD_INTENT_ID = 5693
         private var storageResult: StorageResult? = null
 
         /**
@@ -101,17 +110,25 @@ class ScanService: Service(), ScannerCallback {
                 Log.e(tag(), "No valid storage name was provided!")
                 return@launch
             }
-            val result = scan(storageToScan, serviceRunId, subfolder)
-            Log.e(tag(), "Scanning took: ${System.currentTimeMillis()-now}ms ${wasStopped(thisServiceRunId)}")
-            if(wasStopped(thisServiceRunId)) {
+
+            try {
+                val result = scan(storageToScan, serviceRunId, subfolder)
+                Log.e(tag(), "Scanning took: ${System.currentTimeMillis()-now}ms ${wasStopped(thisServiceRunId)}")
+                if(wasStopped(thisServiceRunId)) {
+                    val resultIntent = Intent(SCAN_ABORTED)
+                    LocalBroadcastManager.getInstance(context).sendBroadcast(resultIntent)
+                    Log.e(tag(), "Scan was prematurely stopped!")
+                } else {
+                    storageResult = result
+                    val resultIntent = Intent(SCAN_COMPLETE)
+                    LocalBroadcastManager.getInstance(context).sendBroadcast(resultIntent)
+                }
+            } catch (e: Exception) {
+                showErrorNotification(e.message.toString())
                 val resultIntent = Intent(SCAN_ABORTED)
                 LocalBroadcastManager.getInstance(context).sendBroadcast(resultIntent)
-                Log.e(tag(), "Scan was prematurely stopped!")
-            } else {
-                storageResult = result
-                val resultIntent = Intent(SCAN_COMPLETE)
-                LocalBroadcastManager.getInstance(context).sendBroadcast(resultIntent)
             }
+
             finishService()
         }
         return super.onStartCommand(intent, flags, startId)
@@ -129,6 +146,14 @@ class ScanService: Service(), ScannerCallback {
         )
         channel.setSound(null, null)
         notificationManager.createNotificationChannel(channel)
+
+        val error_channel = NotificationChannel(
+            ERROR_NOTIFICATION_CHANNEL_ID,
+            getString(R.string.error_notification_channel_name),
+            NotificationManager.IMPORTANCE_LOW
+        )
+        notificationManager.createNotificationChannel(error_channel)
+
     }
 
     private fun getNotification(message: String, bigmessage: String): NotificationCompat.Builder {
@@ -142,6 +167,49 @@ class ScanService: Service(), ScannerCallback {
             .setForegroundServiceBehavior(NotificationCompat.FOREGROUND_SERVICE_IMMEDIATE)
     }
 
+    //Todo: Migrate this out into its own class
+    private fun showErrorNotification(bigmessage: String) {
+        val error = NotificationCompat.Builder(this, ERROR_NOTIFICATION_CHANNEL_ID)
+            .setContentTitle(getString(R.string.error_notification_title))
+            .setContentText(getString(R.string.error_notification_channel_message))
+            .setStyle(NotificationCompat.BigTextStyle().bigText(bigmessage))
+            .setSmallIcon(R.drawable.round_running_with_errors_24)
+
+
+        val clipboardReciever = object : BroadcastReceiver() {
+            override fun onReceive(context: Context, intent: Intent) {
+                copyToClipboard("Error Message", bigmessage)
+            }
+        }
+
+        val intentFilter = IntentFilter(ERROR_COPY_INTENT_ACTION)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            registerReceiver(clipboardReciever, intentFilter, RECEIVER_EXPORTED)
+        } else {
+            registerReceiver(clipboardReciever, intentFilter)
+        }
+
+        val copyIntent = PendingIntent.getBroadcast(
+            this,
+            CLIPBOARD_INTENT_ID,
+            Intent(ERROR_COPY_INTENT_ACTION),
+            PendingIntent.FLAG_CANCEL_CURRENT or PendingIntent.FLAG_IMMUTABLE
+        )
+
+        error.addAction(
+            R.drawable.icon_copy,
+            getString(R.string.error_notification_action_copy),
+            copyIntent
+        )
+
+        notificationManager.notify(ERROR_NOTIFICATION_ID, error.build())
+    }
+
+    private fun copyToClipboard(label: String, content: String) {
+        val clipboard = getSystemService(CLIPBOARD_SERVICE) as ClipboardManager
+        clipboard.setPrimaryClip(ClipData.newPlainText(label, content))
+    }
+
     private fun scan(storage: String, id: Long, subpath: String): StorageResult? {
         val selectedStorage = findStorageByNameOrUUID(storage)
         val rootElement: StoragePrototype?

app/src/main/res/drawable/icon_copy.xml

@@ -0,0 +1,5 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
+
+    <path android:fillColor="@android:color/white" android:pathData="M16,1L4,1c-1.1,0 -2,0.9 -2,2v14h2L4,3h12L16,1zM19,5L8,5c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h11c1.1,0 2,-0.9 2,-2L21,7c0,-1.1 -0.9,-2 -2,-2zM19,21L8,21L8,7h11v14z"/>
+
+</vector>

app/src/main/res/drawable/round_running_with_errors_24.xml

@@ -0,0 +1,5 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
+
+    <path android:fillColor="@android:color/white" android:pathData="M21,18c-0.55,0 -1,-0.45 -1,-1v-6c0,-0.55 0.45,-1 1,-1s1,0.45 1,1v6C22,17.55 21.55,18 21,18zM21,20c-0.55,0 -1,0.45 -1,1s0.45,1 1,1s1,-0.45 1,-1S21.55,20 21,20zM18,17.29C16.53,18.95 14.39,20 12,20c-4.41,0 -8,-3.59 -8,-8c0,-4.41 3.59,-8 8,-8v9l7.55,-7.55C17.72,3.34 15.02,2 12,2C6.48,2 2,6.48 2,12c0,5.52 4.48,10 10,10c2.25,0 4.33,-0.74 6,-2V17.29z"/>
+
+</vector>

app/src/main/res/values/strings.xml

@@ -66,4 +66,8 @@
     <string name="faq_answer_accuracy">No. We can calculate your files and apps properly, but not your android system. That means you will likely get different results for the system each time you refresh the scan. This is a limitation of android itself.</string>
     <string name="faq_label_androidos">What is \"Android OS\"?</string>
     <string name="faq_answer_androidos">This is all the used space that we can\'t access. That includes other profiles and their apps and the system itself. The calculated value is therefore only an estimation of its true size.</string>
+    <string name="error_notification_channel_name">Errors</string>
+    <string name="error_notification_channel_message">The Scan-Service encountered an error.</string>
+    <string name="error_notification_title">Scanning was not successful</string>
+    <string name="error_notification_action_copy">Copy Error</string>
 </resources>