利用可能なプッシュ配送サービスがない場合の警告とガイドを追加。端末上でPlay開発者サービスを利用できるかどうか判定。 onNewToken契機でプッシュ配送エンドポイントの更新処理を開始。

2023-02-10 01:23:29 +09:00 · 2023-02-10 01:23:29 +09:00 · 4f194f649e
parent fd3e329e7e
commit 4f194f649e
12 changed files with 192 additions and 134 deletions
--- a/apkGen.pl
+++ b/apkGen.pl
@ -16,6 +16,7 @@ sub cmd($){
 }

 cmd "./gradlew --stop";
+cmd "rm -rf .gradle/caches/build-cache-*";
 cmd "./gradlew clean";
 cmd "./gradlew assembleNoFcmRelease";
 cmd "./gradlew assembleFcmRelease";
--- a/app/src/fcm/java/jp/juggler/subwaytooter/push/FcmTokenLoader.kt
+++ b/app/src/fcm/java/jp/juggler/subwaytooter/push/FcmTokenLoader.kt
@ -1,7 +1,12 @@
 package jp.juggler.subwaytooter.push

+import android.content.Context
+import com.google.android.gms.common.ConnectionResult
+import com.google.android.gms.common.GoogleApiAvailability
 import com.google.firebase.messaging.FirebaseMessaging
+import jp.juggler.util.log.LogCategory
 import kotlinx.coroutines.tasks.await
+
 /*
 // ビルド要求
 // com.google.firebase:firebase-messaging.20.3.0 以降
@ -19,13 +24,50 @@ import kotlinx.coroutines.tasks.await
 が出る場合はビルド設定を確認すること

 */
-@Suppress("unused")
-class FcmTokenLoader {
+object FcmTokenLoader {
+
+    private val log = LogCategory("FcmTokenLoader")
+
+    private fun connectionResultString(i: Int) = when (i) {
+        ConnectionResult.UNKNOWN -> "UNKNOWN"
+        ConnectionResult.SUCCESS -> "SUCCESS"
+        ConnectionResult.SERVICE_MISSING -> "SERVICE_MISSING"
+        ConnectionResult.SERVICE_VERSION_UPDATE_REQUIRED -> "SERVICE_VERSION_UPDATE_REQUIRED"
+        ConnectionResult.SERVICE_DISABLED -> "SERVICE_DISABLED"
+        ConnectionResult.SIGN_IN_REQUIRED -> "SIGN_IN_REQUIRED"
+        ConnectionResult.INVALID_ACCOUNT -> "INVALID_ACCOUNT"
+        ConnectionResult.RESOLUTION_REQUIRED -> "RESOLUTION_REQUIRED"
+        ConnectionResult.NETWORK_ERROR -> "NETWORK_ERROR"
+        ConnectionResult.INTERNAL_ERROR -> "INTERNAL_ERROR"
+        ConnectionResult.SERVICE_INVALID -> "SERVICE_INVALID"
+        ConnectionResult.DEVELOPER_ERROR -> "DEVELOPER_ERROR"
+        ConnectionResult.LICENSE_CHECK_FAILED -> "LICENSE_CHECK_FAILED"
+        ConnectionResult.CANCELED -> "CANCELED"
+        ConnectionResult.TIMEOUT -> "TIMEOUT"
+        ConnectionResult.INTERRUPTED -> "INTERRUPTED"
+        ConnectionResult.API_UNAVAILABLE -> "API_UNAVAILABLE"
+        ConnectionResult.SIGN_IN_FAILED -> "SIGN_IN_FAILED"
+        ConnectionResult.SERVICE_UPDATING -> "SERVICE_UPDATING"
+        ConnectionResult.SERVICE_MISSING_PERMISSION -> "SERVICE_MISSING_PERMISSION"
+        ConnectionResult.RESTRICTED_PROFILE -> "RESTRICTED_PROFILE"
+        ConnectionResult.RESOLUTION_ACTIVITY_NOT_FOUND -> "RESOLUTION_ACTIVITY_NOT_FOUND"
+        ConnectionResult.API_DISABLED -> "API_DISABLED"
+        ConnectionResult.API_DISABLED_FOR_CONNECTION -> "API_DISABLED_FOR_CONNECTION"
+        else -> "Unknown($i)"
+    }
+
+    fun isPlayServiceAvailavle(context: Context): Boolean {
+        val errorCode = GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(context)
+        if (errorCode == ConnectionResult.SUCCESS) return true
+        log.w("isPlayServiceAvailavle=${connectionResultString(errorCode)}")
+        return false
+    }
+
    //
    suspend fun getToken(): String? =
        FirebaseMessaging.getInstance().token.await()

-    suspend fun deleteToken(){
+    suspend fun deleteToken() {
        FirebaseMessaging.getInstance().deleteToken().await()
    }
 }
--- a/app/src/fcm/java/jp/juggler/subwaytooter/push/MyFcmService.kt
+++ b/app/src/fcm/java/jp/juggler/subwaytooter/push/MyFcmService.kt
@ -2,16 +2,18 @@ package jp.juggler.subwaytooter.push

 import com.google.firebase.messaging.FirebaseMessagingService
 import com.google.firebase.messaging.RemoteMessage
+import jp.juggler.subwaytooter.pref.PrefDevice
+import jp.juggler.subwaytooter.pref.prefDevice
 import jp.juggler.util.log.LogCategory
+import jp.juggler.util.os.applicationContextSafe
 import jp.juggler.util.os.checkAppForeground
-import kotlinx.coroutines.runBlocking

 /**
 * FCMのイベントを受け取るサービス。
 * - IntentServiceの一種なのでワーカースレッドから呼ばれる。runBlockingして良し。
 */
 class MyFcmService : FirebaseMessagingService() {
-    companion object{
+    companion object {
        private val log = LogCategory("MyFcmService")
    }

@ -21,7 +23,12 @@ class MyFcmService : FirebaseMessagingService() {
    override fun onNewToken(token: String) {
        try {
            checkAppForeground("MyFcmService.onNewToken")
-            fcmHandler.onTokenChanged(token)
+            val context = applicationContextSafe
+            when (context.prefDevice.pushDistributor) {
+                null, "", PrefDevice.PUSH_DISTRIBUTOR_FCM -> {
+                    PushWorker.enqueueRegisterEndpoint(context)
+                }
+            }
        } catch (ex: Throwable) {
            log.e(ex, "onNewToken failed.")
        } finally {
@ -37,9 +44,7 @@ class MyFcmService : FirebaseMessagingService() {
    override fun onMessageReceived(remoteMessage: RemoteMessage) {
        try {
            checkAppForeground("MyFcmService.onMessageReceived")
-            runBlocking {
-                fcmHandler.onMessageReceived( remoteMessage.data)
-            }
+            applicationContextSafe.pushRepo.handleFcmMessage(remoteMessage.data)
        } catch (ex: Throwable) {
            log.e(ex, "onMessageReceived failed.")
        } finally {
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@ -373,9 +373,6 @@
            <meta-data
                android:name="jp.juggler.subwaytooter.pref.LazyContextInitializer"
                android:value="androidx.startup" />
-            <meta-data
-                android:name="jp.juggler.subwaytooter.push.FcmHandlerInitializer"
-                android:value="androidx.startup" />
            <meta-data
                android:name="jp.juggler.subwaytooter.pref.PrefDeviceInitializer"
                android:value="androidx.startup" />
--- a/app/src/main/java/jp/juggler/subwaytooter/actmain/ActMainIntent.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/actmain/ActMainIntent.kt
@ -23,6 +23,7 @@ import jp.juggler.subwaytooter.api.runApiTask2
 import jp.juggler.subwaytooter.api.showApiError
 import jp.juggler.subwaytooter.column.ColumnType
 import jp.juggler.subwaytooter.column.startLoading
+import jp.juggler.subwaytooter.dialog.DlgConfirm.okDialog
 import jp.juggler.subwaytooter.dialog.actionsDialog
 import jp.juggler.subwaytooter.dialog.pickAccount
 import jp.juggler.subwaytooter.dialog.runInProgress
@ -356,7 +357,7 @@ fun ActMain.handleSharedIntent(intent: Intent) {
 // アカウントを追加/更新したらappServerHashの取得をやりなおす
 suspend fun ActMain.updatePushDistributer() {
    when {
-        fcmHandler.noFcm && prefDevice.pushDistributor.isNullOrEmpty() -> {
+        fcmHandler.noFcm(this) && prefDevice.pushDistributor.isNullOrEmpty() -> {
            selectPushDistributor()
            // 選択しなかった場合は購読の更新を行わない
        }
@ -384,52 +385,58 @@ fun AppCompatActivity.selectPushDistributor() {
            else -> this
        }

-        actionsDialog(getString(R.string.select_push_delivery_service)) {
-            if (fcmHandler.hasFcm) {
+        val upDistrobutors = UnifiedPush.getDistributors(
+            context,
+            features = ArrayList(listOf(UnifiedPush.FEATURE_BYTES_MESSAGE))
+        )
+        val hasFcm = fcmHandler.hasFcm(context)
+        if (upDistrobutors.isEmpty() && !hasFcm) {
+            okDialog(R.string.push_distributor_not_available)
+        } else {
+            actionsDialog(getString(R.string.select_push_delivery_service)) {
+                if (hasFcm) {
+                    action(
+                        getString(R.string.firebase_cloud_messaging)
+                            .appendChecked(lastDistributor == PrefDevice.PUSH_DISTRIBUTOR_FCM)
+                    ) {
+                        runInProgress(cancellable = false) { reporter ->
+                            withContext(AppDispatchers.DEFAULT) {
+                                pushRepo.switchDistributor(
+                                    PrefDevice.PUSH_DISTRIBUTOR_FCM,
+                                    reporter = reporter
+                                )
+                            }
+                        }
+                    }
+                }
+                for (packageName in upDistrobutors) {
+                    action(
+                        packageName.appendChecked(lastDistributor == packageName)
+                    ) {
+                        runInProgress(cancellable = false) { reporter ->
+                            withContext(AppDispatchers.DEFAULT) {
+                                pushRepo.switchDistributor(
+                                    packageName,
+                                    reporter = reporter
+                                )
+                            }
+                        }
+                    }
+                }
                action(
-                    getString(R.string.firebase_cloud_messaging)
-                        .appendChecked(lastDistributor == PrefDevice.PUSH_DISTRIBUTOR_FCM)
+                    getString(R.string.none)
+                        .appendChecked(lastDistributor == PrefDevice.PUSH_DISTRIBUTOR_NONE)
                ) {
                    runInProgress(cancellable = false) { reporter ->
                        withContext(AppDispatchers.DEFAULT) {
                            pushRepo.switchDistributor(
-                                PrefDevice.PUSH_DISTRIBUTOR_FCM,
+                                PrefDevice.PUSH_DISTRIBUTOR_NONE,
                                reporter = reporter
                            )
                        }
                    }
                }
            }
-            for (packageName in UnifiedPush.getDistributors(
-                context,
-                features = ArrayList(listOf(UnifiedPush.FEATURE_BYTES_MESSAGE))
-            )) {
-                action(
-                    packageName.appendChecked(lastDistributor == packageName)
-                ) {
-                    runInProgress(cancellable = false) { reporter ->
-                        withContext(AppDispatchers.DEFAULT) {
-                            pushRepo.switchDistributor(
-                                packageName,
-                                reporter = reporter
-                            )
-                        }
-                    }
-                }
-            }
-            action(
-                getString(R.string.none)
-                    .appendChecked(lastDistributor == PrefDevice.PUSH_DISTRIBUTOR_NONE)
-            ) {
-                runInProgress(cancellable = false) { reporter ->
-                    withContext(AppDispatchers.DEFAULT) {
-                        pushRepo.switchDistributor(
-                            PrefDevice.PUSH_DISTRIBUTOR_NONE,
-                            reporter = reporter
-                        )
-                    }
-                }
-            }
        }
    }
 }
--- a/app/src/main/java/jp/juggler/subwaytooter/actmain/SideMenuAdapter.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/actmain/SideMenuAdapter.kt
@ -588,11 +588,13 @@ class SideMenuAdapter(
    }

    private fun notificationActionRecommend(): Pair<Int, () -> Unit>? = when {
+        // 通知権限がない場合の警告とアクション
        actMain.prNotification.spec.listNotGranded(actMain).isNotEmpty() ->
            Pair(R.string.notification_permission_not_granted) {
                actMain.prNotification.openAppSetting(actMain)
            }
-        (actMain.prefDevice.pushDistributor.isNullOrEmpty() && actMain.fcmHandler.noFcm) ||
+        // プッシュ配送が選択されていない場合の警告とアクション
+        (actMain.prefDevice.pushDistributor.isNullOrEmpty() && fcmHandler.noFcm(actMain)) ||
                actMain.prefDevice.pushDistributor == PUSH_DISTRIBUTOR_NONE ->
            Pair(R.string.notification_push_distributor_disabled) {
                actMain.selectPushDistributor()
--- a/app/src/main/java/jp/juggler/subwaytooter/dialog/DlgConfirm.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/dialog/DlgConfirm.kt
@ -1,6 +1,8 @@
 package jp.juggler.subwaytooter.dialog

 import android.annotation.SuppressLint
+import android.text.method.LinkMovementMethod
+import android.text.util.Linkify
 import android.view.View
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AlertDialog
@ -121,4 +123,39 @@ object DlgConfirm {
            }
        }
    }
+
+    suspend fun AppCompatActivity.okDialog(@StringRes messageId: Int, vararg args: Any?) =
+        okDialog(getString(messageId, *args))
+
+    suspend fun AppCompatActivity.okDialog(message: CharSequence, title: CharSequence? = null) {
+        suspendCancellableCoroutine { cont ->
+            try {
+                val views = DlgConfirmBinding.inflate(layoutInflater)
+
+                views.cbSkipNext.visibility = View.GONE
+
+                views.tvMessage.apply {
+                    movementMethod = LinkMovementMethod.getInstance()
+                    autoLinkMask = Linkify.WEB_URLS
+                    text = message
+                }
+
+                val dialog = AlertDialog.Builder(this).apply {
+                    setView(views.root)
+                    setCancelable(true)
+                    title?.let { setTitle(it) }
+                    setPositiveButton(R.string.ok) { _, _ ->
+                        if (cont.isActive) cont.resume(Unit)
+                    }
+                }.create()
+                dialog.setOnDismissListener {
+                    if (cont.isActive) cont.resumeWithException(CancellationException("dialog closed."))
+                }
+                dialog.show()
+                cont.invokeOnCancellation { dialog.dismissSafe() }
+            } catch (ex: Throwable) {
+                cont.resumeWithException(ex)
+            }
+        }
+    }
 }
--- a/app/src/main/java/jp/juggler/subwaytooter/push/FcmHandler.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/push/FcmHandler.kt
@ -1,69 +1,36 @@
 package jp.juggler.subwaytooter.push

 import android.content.Context
-import androidx.startup.AppInitializer
-import androidx.startup.Initializer
-import jp.juggler.util.coroutine.AppDispatchers
-import jp.juggler.util.coroutine.EmptyScope
-import jp.juggler.util.log.LogCategory
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
-import jp.juggler.subwaytooter.BuildConfig
 import jp.juggler.subwaytooter.pref.prefDevice
+import jp.juggler.util.coroutine.AppDispatchers
+import jp.juggler.util.data.notEmpty
+import jp.juggler.util.log.LogCategory
+import kotlinx.coroutines.withContext

-private val log = LogCategory("FcmHandler")
+val fcmHandler = FcmHandler

-@Suppress("MemberVisibilityCanBePrivate", "RedundantSuspendModifier")
-class FcmHandler(
-    private val context: Context,
-) {
-    companion object {
-        val reNoFcm = """noFcm""".toRegex(RegexOption.IGNORE_CASE)
-    }
+object FcmHandler {
+    private val log = LogCategory("FcmHandler")

-    val fcmToken = MutableStateFlow(context.prefDevice.fcmToken)
+    fun hasFcm(context: Context): Boolean =
+        FcmTokenLoader.isPlayServiceAvailavle(context)

-    val noFcm :Boolean
-        get()= reNoFcm.containsMatchIn(BuildConfig.FLAVOR)
+    fun noFcm(context: Context): Boolean =
+        !hasFcm(context)

-    val hasFcm get() = !noFcm
-
-    fun onTokenChanged(token: String?) {
-        context.prefDevice.fcmToken = token
-        EmptyScope.launch(AppDispatchers.IO) { fcmToken.emit(token) }
-    }
-
-    suspend fun onMessageReceived(data: Map<String, String>) {
-        try {
-            context.pushRepo.handleFcmMessage(data)
-        } catch (ex: Throwable) {
-            log.e(ex, "onMessage failed.")
-        }
-    }
-
-    suspend fun deleteFcmToken() =
+    suspend fun deleteFcmToken(context: Context) =
        withContext(AppDispatchers.IO) {
            // 古いトークンを覚えておく
-            context.prefDevice.fcmToken
-                ?.takeIf { it.isNotEmpty() }
-                ?.let { context.prefDevice.fcmTokenExpired = it }
-            // FCMから削除する
-            log.i("deleteFcmToken: start")
-            FcmTokenLoader().deleteToken()
-            log.i("deleteFcmToken: end")
-            onTokenChanged(null)
-            log.i("deleteFcmToken complete")
+            loadFcmToken()?.notEmpty()?.let {
+                context.prefDevice.fcmTokenExpired = it
+            }
+            // FCMにトークン変更を依頼する
+            FcmTokenLoader.deleteToken()
        }

    suspend fun loadFcmToken(): String? = try {
        withContext(AppDispatchers.IO) {
-            log.i("loadFcmToken start")
-            val token = FcmTokenLoader().getToken()
-            log.i("loadFcmToken onTokenChanged")
-            onTokenChanged(token)
-            log.i("loadFcmToken end")
-            token
+            FcmTokenLoader.getToken()
        }
    } catch (ex: Throwable) {
        // https://github.com/firebase/firebase-android-sdk/issues/4053
@ -77,25 +44,3 @@ class FcmHandler(
        null
    }
 }
-
-/**
- * AndroidManifest.xml で androidx.startup.InitializationProvider から参照される
- */
-@Suppress("unused")
-class FcmHandlerInitializer : Initializer<FcmHandler> {
-    override fun dependencies(): List<Class<out Initializer<*>>> =
-        emptyList()
-
-    override fun create(context: Context): FcmHandler {
-        val newHandler = FcmHandler(context.applicationContext)
-        log.i("FcmHandlerInitializer hasFcm=${newHandler.hasFcm}, BuildConfig.FLAVOR=${BuildConfig.FLAVOR}")
-        EmptyScope.launch{
-            newHandler.loadFcmToken()
-        }
-        return newHandler
-    }
-}
-
-val Context.fcmHandler: FcmHandler
-    get() = AppInitializer.getInstance(this)
-        .initializeComponent(FcmHandlerInitializer::class.java)
--- a/app/src/main/java/jp/juggler/subwaytooter/push/PushRepo.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/push/PushRepo.kt
@ -141,21 +141,22 @@ class PushRepo(
            UnifiedPush.unregisterApp(context)

            // FCMトークンの削除。これでこの端末のこのアプリへの古いエンドポイント登録はgoneになり消えるはず
-            fcmHandler.deleteFcmToken()
+            fcmHandler.deleteFcmToken(context)

            when (pushDistributor) {
                null, "" -> {
                    // 特に変更しない(アクセストークン更新時に呼ばれる
+                    reporter.setMessage("enqueueRegisterEndpoint for ${pushDistributor}…")
                    enqueueRegisterEndpoint(context)
                }
                PrefDevice.PUSH_DISTRIBUTOR_NONE -> {
                    // 購読解除
-                    reporter.setMessage("SubscriptionUpdateService.launch")
+                    reporter.setMessage("enqueueRegisterEndpoint for ${pushDistributor}…")
                    enqueueRegisterEndpoint(context)
                }
                PrefDevice.PUSH_DISTRIBUTOR_FCM -> {
                    // 特にイベントは来ないので、プッシュ購読をやりなおす
-                    reporter.setMessage("SubscriptionUpdateService.launch")
+                    reporter.setMessage("enqueueRegisterEndpoint for ${pushDistributor}…")
                    enqueueRegisterEndpoint(context)
                }
                else -> {
@ -196,7 +197,8 @@ class PushRepo(
     * ワーカーからnewUpEndpoint()が呼ばれる
     */
    suspend fun newUpEndpoint(upEndpoint: String) {
-        refReporter?.get()?.setMessage("新しい UnifiedPush endpoint URL を取得しました")
+        refReporter?.get()
+            ?.setMessage(context.getString(R.string.unified_push_got_new_endpoint_url))

        val upPackageName = UnifiedPush.getDistributor(context).notEmpty()
            ?: error("missing upPackageName")
@ -223,6 +225,7 @@ class PushRepo(
    suspend fun registerEndpoint(
        keepAliveMode: Boolean,
    ) {
+        refReporter?.get()?.setMessage("registerEndpoint for ${prefDevice.pushDistributor}…")
        subscriptionMutex.withLock {
            log.i("registerEndpoint: keepAliveMode=$keepAliveMode")

@ -230,7 +233,8 @@ class PushRepo(
            try {
                // 期限切れのUPエンドポイントがあればそれ経由の中継を解除する
                prefDevice.fcmTokenExpired.notEmpty()?.let {
-                    refReporter?.get()?.setMessage("期限切れのFCMデバイストークンをアプリサーバから削除しています")
+                    refReporter?.get()
+                        ?.setMessage(context.getString(R.string.removing_old_fcm_token))
                    log.i("remove fcmTokenExpired")
                    apiAppServer.endpointRemove(fcmToken = it)
                    prefDevice.fcmTokenExpired = null
@ -242,7 +246,8 @@ class PushRepo(
            try {
                // 期限切れのUPエンドポイントがあればそれ経由の中継を解除する
                prefDevice.upEndpointExpired.notEmpty()?.let {
-                    refReporter?.get()?.setMessage("期限切れのUnifiedPushエンドポイントをアプリサーバから削除しています")
+                    refReporter?.get()
+                        ?.setMessage(context.getString(R.string.removing_old_unified_push_url))
                    log.i("remove upEndpointExpired")
                    apiAppServer.endpointRemove(upUrl = it)
                    prefDevice.upEndpointExpired = null
@ -274,19 +279,23 @@ class PushRepo(

            var willRemoveSubscription = false

-            // アプリサーバにendpointを登録する
-            refReporter?.get()?.setMessage("アプリサーバにプッシュサービスの情報を送信しています")
+            val hasFcm = fcmHandler.hasFcm(context)

-            if (!fcmHandler.hasFcm && prefDevice.pushDistributor == PrefDevice.PUSH_DISTRIBUTOR_FCM) {
+
+            if (!hasFcm && prefDevice.pushDistributor == PrefDevice.PUSH_DISTRIBUTOR_FCM) {
                log.w("fmc selected, but this is noFcm build. unset distributer.")
                prefDevice.pushDistributor = null
            }

+            // アプリサーバにendpointを登録する
+            refReporter?.get()
+                ?.setMessage(context.getString(R.string.sending_push_distributor_info_to_app_server))
+
            val acctHashList = acctHashMap.keys.toList()

            val json = when (prefDevice.pushDistributor) {
                null, "" -> when {
-                    fcmHandler.hasFcm -> {
+                    hasFcm -> {
                        log.i("registerEndpoint dist=FCM(default), acctHashList=${acctHashList.size}")
                        registerEndpointFcm(acctHashList)
                    }
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@ -1240,4 +1240,9 @@
    <string name="notification_push_distributor_disabled">通知のプッシュ配送サービスが選択されていません</string>
    <string name="notification_accent_color">通知のアクセント色</string>
    <string name="pleroma_features">Pleroma機能</string>
+    <string name="unified_push_got_new_endpoint_url">UnifiedPushの新しいendpoint URLを取得しました…</string>
+    <string name="removing_old_fcm_token">期限切れのFCMデバイストークンをアプリサーバから削除しています…</string>
+    <string name="removing_old_unified_push_url">期限切れのUnifiedPushエンドポイントをアプリサーバから削除しています…</string>
+    <string name="sending_push_distributor_info_to_app_server">アプリサーバにプッシュサービスの情報を送信しています…</string>
+    <string name="push_distributor_not_available">プッシュ配送サービスを利用できません。UnifiedPush対応のプッシュ配送アプリをインストールすることで、プッシュ通知を受け取ることができます。詳細 https://unifiedpush.org/</string>
 </resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -1256,4 +1256,9 @@
    <string name="notification_push_distributor_disabled">Notification push distributor not selected.</string>
    <string name="notification_accent_color">Notification accent color</string>
    <string name="pleroma_features">Pleroma features</string>
+    <string name="unified_push_got_new_endpoint_url">Got new UnifiedPush endpoint URL…</string>
+    <string name="removing_old_fcm_token">Removing expired FCM device token from app server…</string>
+    <string name="removing_old_unified_push_url">Removing expired UnifiedPush endpoint URL from app server…</string>
+    <string name="sending_push_distributor_info_to_app_server">Sending push service information to app server…</string>
+    <string name="push_distributor_not_available">Push distributor is not available. You can receive push notifications by installing a UnifiedPush compatible push delivery app. see https://unifiedpush.org/</string>
 </resources>
--- a/app/src/noFcm/java/jp/juggler/subwaytooter/push/FcmTokenLoader.kt
+++ b/app/src/noFcm/java/jp/juggler/subwaytooter/push/FcmTokenLoader.kt
@ -1,7 +1,10 @@
 package jp.juggler.subwaytooter.push

-@Suppress("RedundantSuspendModifier")
-class FcmTokenLoader {
+import android.content.Context
+
+@Suppress("RedundantSuspendModifier", "UNUSED_PARAMETER")
+object FcmTokenLoader {
    suspend fun getToken(): String? = null
    suspend fun deleteToken() = Unit
+    fun isPlayServiceAvailavle(context: Context) = false
 }