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Merge pull request #19 from Semper-Viventem/fix-ble-scanner-is-null-p…
…roblem Fix crash when bluetooth scanner cannot be initialized
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181
app/src/main/java/f/cking/software/data/helpers/NotificationsHelper.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,181 @@ | ||
| package f.cking.software.data.helpers | ||
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| import android.app.Notification | ||
| import android.app.NotificationChannel | ||
| import android.app.NotificationManager | ||
| import android.app.PendingIntent | ||
| import android.content.Context | ||
| import android.content.Intent | ||
| import androidx.core.app.NotificationCompat | ||
| import f.cking.software.R | ||
| import f.cking.software.domain.interactor.CheckProfileDetectionInteractor | ||
| import f.cking.software.ui.MainActivity | ||
| import kotlin.random.Random | ||
|
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| class NotificationsHelper( | ||
| private val context: Context, | ||
| ) { | ||
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| private val notificationManager by lazy { context.getSystemService(NotificationManager::class.java) } | ||
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| fun buildForegroundNotification( | ||
| knownDeviceCount: Int?, | ||
| cancelIntent: Intent, | ||
| ): Notification { | ||
| createServiceChannel() | ||
|
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| val cancelPendingIntent = PendingIntent.getService( | ||
| context, | ||
| 0, | ||
| cancelIntent, | ||
| PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE | ||
| ) | ||
|
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| val openAppPendingIntent = getOpenAppIntent() | ||
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| val body = if (knownDeviceCount == null) { | ||
| context.getString(R.string.ble_scanner_is_started_but_no_data) | ||
| } else if (knownDeviceCount > 0) { | ||
| context.getString(R.string.known_devices_around, knownDeviceCount.toString()) | ||
| } else { | ||
| context.getString(R.string.there_are_no_devices_around) | ||
| } | ||
|
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| return NotificationCompat.Builder(context, SERVICE_NOTIFICATION_CHANNEL) | ||
| .setContentTitle(context.getString(R.string.app_service_title, context.getString(R.string.app_name))) | ||
| .setContentText(body) | ||
| .setOngoing(true) | ||
| .setSmallIcon(R.drawable.ic_ble) | ||
| .setContentIntent(openAppPendingIntent) | ||
| .addAction(R.drawable.ic_cancel, context.getString(R.string.stop), cancelPendingIntent) | ||
| .setVisibility(NotificationCompat.VISIBILITY_PUBLIC) | ||
| .setOnlyAlertOnce(true) | ||
| .setVibrate(null) | ||
| .setSound(null) | ||
| .setPriority(NotificationCompat.PRIORITY_DEFAULT) | ||
| .setCategory(NotificationCompat.CATEGORY_SERVICE) | ||
| .build() | ||
| } | ||
|
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| fun notifyRadarProfile(profiles: List<CheckProfileDetectionInteractor.ProfileResult>) { | ||
| val title = if (profiles.count() == 1) { | ||
| val profile = profiles.first() | ||
| context.getString(R.string.notification_profile_is_near_you, profile.profile.name) | ||
| } else { | ||
| context.getString(R.string.notification_profiles_are_near_you, profiles.count().toString()) | ||
| } | ||
|
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| val content = profiles.flatMap { it.matched } | ||
| .joinToString( | ||
| separator = ", ", | ||
| postfix = context.getString(R.string.devices_matched_postfix) | ||
| ) { it.buildDisplayName() } | ||
|
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| val openAppPendingIntent = getOpenAppIntent() | ||
|
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| createDeviceFoundChannel() | ||
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| val notification = NotificationCompat.Builder(context, RADAR_PROFILE_CHANNEL) | ||
| .setContentTitle(title) | ||
| .setContentText(content) | ||
| .setSmallIcon(R.drawable.ic_ble) | ||
| .setContentIntent(openAppPendingIntent) | ||
| .setVisibility(NotificationCompat.VISIBILITY_PUBLIC) | ||
| .setPriority(NotificationCompat.PRIORITY_HIGH) | ||
| .setCategory(NotificationCompat.CATEGORY_SERVICE) | ||
| .setGroup(RADAR_PROFILE_GROUP) | ||
| .setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_ALL) | ||
| .build() | ||
|
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| notificationManager.notify(Random.nextInt(), notification) | ||
| } | ||
|
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| fun notifyLocationIsTurnedOff() { | ||
| notifyError( | ||
| title = context.getString(R.string.location_is_turned_off_title), | ||
| content = context.getString(R.string.location_is_turned_off_subtitle) | ||
| ) | ||
| } | ||
|
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| fun notifyBluetoothIsTurnedOff() { | ||
| notifyError( | ||
| title = context.getString(R.string.bluetooth_is_not_available_title), | ||
| content = context.getString(R.string.bluetooth_is_not_available_content), | ||
| ) | ||
| } | ||
|
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| fun cancel(notificationId: Int) { | ||
| notificationManager.cancel(notificationId) | ||
| } | ||
|
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| private fun notifyError(title: String, content: String?) { | ||
| val openAppPendingIntent = getOpenAppIntent() | ||
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| createErrorsNotificationChannel() | ||
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| val notification = NotificationCompat.Builder(context, ERRORS_CHANNEL) | ||
| .setContentTitle(title) | ||
| .setContentText(content) | ||
| .setSmallIcon(R.drawable.ic_ble) | ||
| .setContentIntent(openAppPendingIntent) | ||
| .setVisibility(NotificationCompat.VISIBILITY_PUBLIC) | ||
| .setPriority(NotificationCompat.PRIORITY_HIGH) | ||
| .setCategory(NotificationCompat.CATEGORY_SERVICE) | ||
| .build() | ||
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| notificationManager.notify(Random.nextInt(), notification) | ||
| } | ||
|
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| private fun getOpenAppIntent(): PendingIntent { | ||
| val openAppIntent = Intent(context, MainActivity::class.java) | ||
| return PendingIntent.getActivity( | ||
| context, | ||
| 0, | ||
| openAppIntent, | ||
| PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE | ||
| ) | ||
| } | ||
|
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| fun updateNotification(knownDeviceCount: Int, canelIntent: Intent) { | ||
| val notification = buildForegroundNotification(knownDeviceCount, canelIntent) | ||
| notificationManager.notify(FOREGROUND_NOTIFICATION_ID, notification) | ||
| } | ||
|
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| private fun createServiceChannel() { | ||
| val channel = NotificationChannel( | ||
| SERVICE_NOTIFICATION_CHANNEL, | ||
| context.getString(R.string.scanner_notification_channel_name), | ||
| NotificationManager.IMPORTANCE_LOW | ||
| ) | ||
| notificationManager.createNotificationChannel(channel) | ||
| } | ||
|
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| private fun createDeviceFoundChannel() { | ||
| val channel = NotificationChannel( | ||
| RADAR_PROFILE_CHANNEL, | ||
| context.getString(R.string.device_found_notification_channel_name), | ||
| NotificationManager.IMPORTANCE_HIGH | ||
| ).apply { enableVibration(true) } | ||
| notificationManager.createNotificationChannel(channel) | ||
| } | ||
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| private fun createErrorsNotificationChannel() { | ||
| val channel = NotificationChannel( | ||
| ERRORS_CHANNEL, | ||
| context.getString(R.string.errors_notifications), | ||
| NotificationManager.IMPORTANCE_HIGH | ||
| ).apply { enableVibration(true) } | ||
| notificationManager.createNotificationChannel(channel) | ||
| } | ||
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| companion object { | ||
| private const val SERVICE_NOTIFICATION_CHANNEL = "service_notification_channel" | ||
| private const val RADAR_PROFILE_CHANNEL = "radar_profile_channel" | ||
| private const val RADAR_PROFILE_GROUP = "radar_profile_group" | ||
| private const val ERRORS_CHANNEL = "radar_errors_channel" | ||
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| const val FOREGROUND_NOTIFICATION_ID = 42 | ||
| } | ||
| } |
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