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Add Android notification plugin (#150)
* Add Android notification plugin * Fix CI issues * Change notification icon on Android * Optimize imports & reformat dart code * Rename notification icon * Allow tracking a payment without destination --------- Co-authored-by: Erdem Yerebasmaz <[email protected]>
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85 changes: 85 additions & 0 deletions
85
android/app/src/main/kotlin/com/breez/liquid/l_breez/BreezFcmService.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package com.breez.liquid.l_breez | ||
|
|
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| import android.annotation.SuppressLint | ||
| import android.app.ActivityManager | ||
| import android.app.KeyguardManager | ||
| import android.content.Context | ||
| import android.content.Intent | ||
| import android.os.Process | ||
| import android.os.SystemClock | ||
| import androidx.core.content.ContextCompat | ||
| import breez_sdk_liquid_notification.Constants | ||
| import breez_sdk_liquid_notification.Message | ||
| import breez_sdk_liquid_notification.MessagingService | ||
| import com.breez.liquid.l_breez.BreezLogger.Companion.configureLogger | ||
| import com.google.android.gms.common.util.PlatformVersion.isAtLeastLollipop | ||
| import com.google.firebase.messaging.FirebaseMessagingService | ||
| import com.google.firebase.messaging.RemoteMessage | ||
| import org.tinylog.kotlin.Logger | ||
|
|
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| @SuppressLint("MissingFirebaseInstanceTokenRefresh") | ||
| class BreezFcmService : MessagingService, FirebaseMessagingService() { | ||
| companion object { | ||
| private const val TAG = "BreezFcmService" | ||
| } | ||
|
|
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| override fun onMessageReceived(remoteMessage: RemoteMessage) { | ||
| super.onMessageReceived(remoteMessage) | ||
| configureLogger(applicationContext) | ||
| Logger.tag(TAG).debug { "FCM message received!" } | ||
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|
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| if (remoteMessage.priority == RemoteMessage.PRIORITY_HIGH) { | ||
| Logger.tag(TAG).debug { "onMessageReceived from: ${remoteMessage.from}" } | ||
| Logger.tag(TAG).debug { "onMessageReceived data: ${remoteMessage.data}" } | ||
| remoteMessage.asMessage() | ||
| ?.also { message -> startServiceIfNeeded(applicationContext, message) } | ||
| } else { | ||
| Logger.tag(TAG).debug { "Ignoring FCM message" } | ||
| } | ||
| } | ||
|
|
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| private fun RemoteMessage.asMessage(): Message? { | ||
| return data[Constants.MESSAGE_DATA_TYPE]?.let { | ||
| Message( | ||
| data[Constants.MESSAGE_DATA_TYPE], data[Constants.MESSAGE_DATA_PAYLOAD] | ||
| ) | ||
| } | ||
| } | ||
|
|
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| override fun startForegroundService(message: Message) { | ||
| Logger.tag(TAG).debug { "Starting BreezForegroundService w/ message ${message.type}: ${message.payload}" } | ||
| val intent = Intent(applicationContext, BreezForegroundService::class.java) | ||
| intent.putExtra(Constants.EXTRA_REMOTE_MESSAGE, message) | ||
| ContextCompat.startForegroundService(applicationContext, intent) | ||
| } | ||
|
|
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| @SuppressLint("VisibleForTests") | ||
| override fun isAppForeground(context: Context): Boolean { | ||
| val keyguardManager = getSystemService(KEYGUARD_SERVICE) as KeyguardManager | ||
| if (keyguardManager.isKeyguardLocked) { | ||
| return false // Screen is off or lock screen is showing | ||
| } | ||
| // Screen is on and unlocked, now check if the process is in the foreground | ||
| if (!isAtLeastLollipop()) { | ||
| // Before L the process has IMPORTANCE_FOREGROUND while it executes BroadcastReceivers. | ||
| // As soon as the service is started the BroadcastReceiver should stop. | ||
| // UNFORTUNATELY the system might not have had the time to downgrade the process | ||
| // (this is happening consistently in JellyBean). | ||
| // With SystemClock.sleep(10) we tell the system to give a little bit more of CPU | ||
| // to the main thread (this code is executing on a secondary thread) allowing the | ||
| // BroadcastReceiver to exit the onReceive() method and downgrade the process priority. | ||
| SystemClock.sleep(10) | ||
| } | ||
| val pid = Process.myPid() | ||
| val am = getSystemService(ACTIVITY_SERVICE) as ActivityManager | ||
| val appProcesses = am.runningAppProcesses | ||
| if (appProcesses != null) { | ||
| for (process in appProcesses) { | ||
| if (process.pid == pid) { | ||
| return process.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND | ||
| } | ||
| } | ||
| } | ||
| return false | ||
| } | ||
| } |
59 changes: 59 additions & 0 deletions
59
android/app/src/main/kotlin/com/breez/liquid/l_breez/BreezForegroundService.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| package com.breez.liquid.l_breez | ||
|
|
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| import android.content.SharedPreferences | ||
| import breez_sdk_liquid.ConnectRequest | ||
| import breez_sdk_liquid.LiquidNetwork | ||
| import breez_sdk_liquid.LogEntry | ||
| import breez_sdk_liquid.Logger as SdkLogger | ||
| import breez_sdk_liquid.defaultConfig | ||
| import breez_sdk_liquid.setLogger as setSdkLogger | ||
| import breez_sdk_liquid_notification.ForegroundService | ||
| import breez_sdk_liquid_notification.NotificationHelper.Companion.registerNotificationChannels | ||
| import com.breez.liquid.l_breez.utils.FlutterSecuredStorageHelper.Companion.readSecuredValue | ||
| import io.flutter.util.PathUtils | ||
| import org.tinylog.kotlin.Logger | ||
|
|
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| class BreezForegroundService : SdkLogger, ForegroundService() { | ||
| companion object { | ||
| private const val TAG = "BreezForegroundService" | ||
|
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| private const val SHARED_PREFERENCES_NAME = "FlutterSharedPreferences" | ||
| private const val ACCOUNT_MNEMONIC = "account_mnemonic" | ||
| private const val DEFAULT_CLICK_ACTION = "FLUTTER_NOTIFICATION_CLICK" | ||
| private const val ELEMENT_PREFERENCES_KEY_PREFIX = | ||
| "VGhpcyBpcyB0aGUgcHJlZml4IGZvciBhIHNlY3VyZSBzdG9yYWdlCg" | ||
| } | ||
|
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| override fun onCreate() { | ||
| super.onCreate() | ||
| setLogger(this) | ||
| setSdkLogger(this) | ||
| Logger.tag(TAG).debug { "Creating Breez foreground service..." } | ||
| registerNotificationChannels(applicationContext, DEFAULT_CLICK_ACTION) | ||
| Logger.tag(TAG).debug { "Breez foreground service created." } | ||
| } | ||
|
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| override fun getConnectRequest(): ConnectRequest? { | ||
| val config = defaultConfig(LiquidNetwork.MAINNET) | ||
|
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| config.workingDir = PathUtils.getDataDirectory(applicationContext) | ||
|
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| return readSecuredValue( | ||
| applicationContext, | ||
| "${ELEMENT_PREFERENCES_KEY_PREFIX}_${ACCOUNT_MNEMONIC}" | ||
| ) | ||
| ?.let { mnemonic -> | ||
| ConnectRequest(config, mnemonic) | ||
| } | ||
| } | ||
|
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| override fun log(l: LogEntry) { | ||
| when (l.level) { | ||
| "ERROR" -> Logger.tag(TAG).error { l.line } | ||
| "WARN" -> Logger.tag(TAG).warn { l.line } | ||
| "INFO" -> Logger.tag(TAG).info { l.line } | ||
| "DEBUG" -> Logger.tag(TAG).debug { l.line } | ||
| "TRACE" -> Logger.tag(TAG).trace { l.line } | ||
| } | ||
| } | ||
| } |
36 changes: 36 additions & 0 deletions
36
android/app/src/main/kotlin/com/breez/liquid/l_breez/BreezLogger.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| package com.breez.liquid.l_breez | ||
|
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| import android.content.Context | ||
| import io.flutter.util.PathUtils | ||
| import org.tinylog.kotlin.Logger | ||
| import java.io.File | ||
|
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| class BreezLogger { | ||
| companion object { | ||
| private const val TAG = "BreezLogger" | ||
|
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| private var isInit: Boolean? = null | ||
|
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| internal fun configureLogger(applicationContext: Context): Boolean? { | ||
| synchronized(this) { | ||
| /** Get `/logs` folder from Flutter app data directory */ | ||
| val loggingDir = | ||
| File(PathUtils.getDataDirectory(applicationContext), "/logs").apply { | ||
| /** Create a new directory denoted by the pathname and also | ||
| * all the non existent parent directories of the pathname */ | ||
| mkdirs() | ||
| } | ||
|
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| System.setProperty("tinylog.directory", loggingDir.absolutePath) | ||
| System.setProperty("tinylog.timestamp", System.currentTimeMillis().toString()) | ||
|
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| if (isInit == false) { | ||
| Logger.tag(TAG).debug { "Starting ${BuildConfig.APPLICATION_ID}..." } | ||
| Logger.tag(TAG).debug { "Logs directory: '$loggingDir'" } | ||
| isInit = true | ||
| } | ||
| return isInit | ||
| } | ||
| } | ||
| } | ||
| } |
29 changes: 29 additions & 0 deletions
29
android/app/src/main/kotlin/com/breez/liquid/l_breez/utils/FlutterSecuredStorageHelper.kt
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| package com.breez.liquid.l_breez.utils | ||
|
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| import android.content.Context | ||
| import android.util.Base64 | ||
| import java.nio.charset.Charset | ||
|
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| class FlutterSecuredStorageHelper { | ||
| companion object { | ||
| @Throws(java.lang.Exception::class) | ||
| fun readSecuredValue(appContext: Context, key: String): String? { | ||
| val preferences = appContext.getSharedPreferences("FlutterSecureStorage", Context.MODE_PRIVATE) | ||
| val rawValue = preferences.getString(key, null) | ||
| return decodeRawValue(appContext, rawValue) | ||
| } | ||
|
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| @Throws(java.lang.Exception::class) | ||
| private fun decodeRawValue(appContext: Context, value: String?): String? { | ||
| if (value == null) { | ||
| return null | ||
| } | ||
| val charset = Charset.forName("UTF-8") | ||
| val data: ByteArray = Base64.decode(value, 0) | ||
| val keyCipherAlgo = RSACipher18Implementation(context = appContext) | ||
| val storageCipher = StorageCipher18Implementation(appContext, keyCipherAlgo) | ||
| val result: ByteArray = storageCipher.decrypt(data) | ||
| return String(result, charset) | ||
| } | ||
| } | ||
| } |
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