通知権限の要求を１回だけにする。権限がない場合はサイドメニューに表示を追加する。

app/src/main/java/jp/juggler/subwaytooter/ActMain.kt

@@ -156,7 +156,7 @@ class ActMain : AppCompatActivity(),
     lateinit var handler: Handler
     lateinit var appState: AppState
 
-    private lateinit var sideMenuAdapter: SideMenuAdapter
+    lateinit var sideMenuAdapter: SideMenuAdapter
 
     //////////////////////////////////////////////////////////////////
     // 読み取り専用のプロパティ
@@ -326,7 +326,9 @@ class ActMain : AppCompatActivity(),
     }
 
     val prNotification = permissionSpecNotification.requester {
-        // 特に何もしない
+        launchAndShowError {
+            afterNotificationGranted()
+        }
     }
 
     private var startAfterJob: WeakReference<Job>? = null

app/src/main/java/jp/juggler/subwaytooter/actmain/ActMainActions.kt

@@ -22,7 +22,6 @@ import jp.juggler.subwaytooter.dialog.actionsDialog
 import jp.juggler.subwaytooter.itemviewholder.ItemViewHolder
 import jp.juggler.subwaytooter.pref.*
 import jp.juggler.subwaytooter.push.PushWorker
-import jp.juggler.subwaytooter.push.pushRepo
 import jp.juggler.subwaytooter.span.MyClickableSpan
 import jp.juggler.subwaytooter.util.checkPrivacyPolicy
 import jp.juggler.subwaytooter.util.openCustomTab
@@ -247,13 +246,22 @@ fun ActMain.launchDialogs() {
         // テーマ告知
         themeDefaultChangedDialog()
 
-        // 通知権限の確認
+        // 通知権限の確認を一度だけ行う
-        if(!prNotification.checkOrLaunch()) return@launchAndShowError
+        if (!prefDevice.supressRequestNotificationPermission) {
+            prefDevice.supressRequestNotificationPermission = true
+            if (!prNotification.checkOrLaunch()) return@launchAndShowError
+        }
+
+        afterNotificationGranted()
+    }
+}
+
+fun ActMain.afterNotificationGranted() {
+    sideMenuAdapter.filterListItems()
 
     // Workの掃除
     WorkManager.getInstance(applicationContext).pruneWork()
 
     // 定期的にendpointを再登録したい
     PushWorker.enqueueRegisterEndpoint(applicationContext, keepAliveMode = true)
-    }
 }

app/src/main/java/jp/juggler/subwaytooter/actmain/SideMenuAdapter.kt

@@ -214,7 +214,8 @@ class SideMenuAdapter(
         IT_GROUP_HEADER(1),
         IT_DIVIDER(2),
         IT_VERSION(3),
-        IT_TIMEZONE(4)
+        IT_TIMEZONE(4),
+        IT_NOTIFICATION_PERMISSION(5),
     }
 
     private class Item(
@@ -229,6 +230,7 @@ class SideMenuAdapter(
                 title == 0 -> ItemType.IT_DIVIDER
                 title == 1 -> ItemType.IT_VERSION
                 title == 2 -> ItemType.IT_TIMEZONE
+                title == 3 -> ItemType.IT_NOTIFICATION_PERMISSION
                 icon == 0 -> ItemType.IT_GROUP_HEADER
                 else -> ItemType.IT_NORMAL
             }
@@ -239,11 +241,11 @@ class SideMenuAdapter(
         else no icon => section header with title
         else => menu item with icon and title
     */
-
+    private val originalList = listOf(
-    private val list = arrayOf(
 
         Item(icon = R.drawable.ic_info_outline, title = 1),
         Item(icon = R.drawable.ic_info_outline, title = 2),
+        Item(icon = R.drawable.ic_info_outline, title = 3),
 
         Item(),
         Item(title = R.string.account),
@@ -453,6 +455,8 @@ class SideMenuAdapter(
         }
     )
 
+    private var list = originalList
+
     private val iconColor = actMain.attrColor(R.attr.colorTimeSmall)
 
     override fun getCount(): Int = list.size
@@ -517,6 +521,24 @@ class SideMenuAdapter(
                         background = null
                         text = getTimeZoneString(context)
                     }
+                ItemType.IT_NOTIFICATION_PERMISSION ->
+                    viewOrInflate<TextView>(view, parent, R.layout.lv_sidemenu_item).apply {
+                        isAllCaps = false
+                        text = actMain.getString(R.string.notification_permission_not_granted)
+                        val drawable = createColoredDrawable(actMain, icon, iconColor, 1f)
+                        setCompoundDrawablesRelativeWithIntrinsicBounds(
+                            drawable,
+                            null,
+                            null,
+                            null
+                        )
+                        setOnClickListener {
+                            drawer.closeDrawer(GravityCompat.START)
+                            if (actMain.prNotification.checkOrLaunch()) {
+                                filterListItems()
+                            }
+                        }
+                    }
             }
         }
 
@@ -557,8 +579,20 @@ class SideMenuAdapter(
         this.notifyDataSetChanged()
     }
 
+    fun filterListItems() {
+        list = originalList.filter {
+            when (it.itemType) {
+                ItemType.IT_NOTIFICATION_PERMISSION ->
+                    actMain.prNotification.spec.listNotGranded(actMain).isNotEmpty()
+                else -> true
+            }
+        }
+        notifyDataSetChanged()
+    }
+
     init {
         actMain.applicationContext.checkVersion()
+        filterListItems()
 
         ListView(actMain).apply {
             adapter = this@SideMenuAdapter

app/src/main/java/jp/juggler/subwaytooter/pref/PrefDevice.kt

@@ -26,6 +26,7 @@ class PrefDevice(context: Context) {
         private const val PREF_UP_ENDPOINT_EXPIRED = "upEndpointExpired"
         private const val PREF_PUSH_DISTRIBUTOR = "pushDistributor"
         private const val PREF_TIME_LAST_ENDPOINT_REGISTER = "timeLastEndpointRegister"
+        private const val PREF_SUPRESS_REQUEST_NOTIFICATION_PERMISSION = "supressRequestNotificationPermission"
 
         const val PUSH_DISTRIBUTOR_FCM = "fcm"
         const val PUSH_DISTRIBUTOR_NONE = "none"
@@ -71,6 +72,9 @@ class PrefDevice(context: Context) {
     @Suppress("SameParameterValue")
     private fun int(key: String) = if (sp.contains(key)) sp.getInt(key, 0) else null
 
+    @Suppress("SameParameterValue")
+    private fun boolean(key: String) = if (sp.contains(key)) sp.getBoolean(key, false) else null
+
     @Suppress("SameParameterValue")
     private fun String?.saveTo(key: String) =
         edit { it.putString(key, this) }
@@ -82,6 +86,9 @@ class PrefDevice(context: Context) {
     @Suppress("SameParameterValue")
     private fun Int?.saveTo(key: String) =
         edit { it.putIntNullable(key, this) }
+    @Suppress("SameParameterValue")
+    private fun Boolean?.saveTo(key: String) =
+        edit { it.putBooleanNullable(key, this) }
 
     // 認証開始時の状態を覚えておく
     val authServerType: String? get() = string(PREF_AUTH_SERVER_TYPE)
@@ -138,6 +145,12 @@ class PrefDevice(context: Context) {
             value.saveTo(PREF_TIME_LAST_ENDPOINT_REGISTER)
         }
 
+    var supressRequestNotificationPermission: Boolean
+        get() = boolean(PREF_SUPRESS_REQUEST_NOTIFICATION_PERMISSION)?:false
+        set(value) {
+            value.saveTo(PREF_SUPRESS_REQUEST_NOTIFICATION_PERMISSION)
+        }
+
     //////////////////////////////////
     // 以下は古い
 

app/src/main/java/jp/juggler/subwaytooter/util/PermissionRequester.kt

@@ -27,7 +27,7 @@ class PermissionRequester(
     /**
      * 権限の詳細
      */
-    private val spec: PermissionSpec,
+    val spec: PermissionSpec,
     /**
      * 権限が与えられた際に処理を再開するラムダ
      * - ラムダの引数にこのPermissionRequester自身が渡される

app/src/main/java/jp/juggler/subwaytooter/util/PermissionSpec.kt

@@ -1,10 +1,12 @@
 package jp.juggler.subwaytooter.util
 
 import android.Manifest
+import android.app.Activity
 import android.content.Context
 import android.content.pm.PackageManager
 import android.os.Build
 import androidx.annotation.StringRes
+import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import jp.juggler.subwaytooter.R
 
@@ -29,6 +31,16 @@ class PermissionSpec(
             ContextCompat.checkSelfPermission(context, it) !=
                     PackageManager.PERMISSION_GRANTED
         }
+
+    /**
+     * - 権限のどれかが不足している
+     * - 不足した権限のどれかが shouldShowRequestPermissionRationale == trueである
+     */
+    fun shouldShowRational(activity: Activity) =
+        permissions.any {
+            ContextCompat.checkSelfPermission(activity, it) != PackageManager.PERMISSION_GRANTED &&
+                    ActivityCompat.shouldShowRequestPermissionRationale(activity, it)
+        }
 }
 
 val permissionSpecNotification = if (Build.VERSION.SDK_INT >= 33) {

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

@@ -1232,4 +1232,5 @@
     <string name="push_message_save_to_download_folder_with_secret_key">Downloadフォルダに保存 (秘密鍵つき。データ安全に注意。これは危険です!)</string>
     <string name="saved_to">保存しました。 %1$s</string>
     <string name="view">見る</string>
+    <string name="notification_permission_not_granted">通知表示権限がありません</string>
 </resources>

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

@@ -1246,4 +1246,5 @@
     <string name="alert_test">test alert notification</string>
     <string name="saved_to">Saved to %1$s</string>
     <string name="view">View</string>
+    <string name="notification_permission_not_granted">notification permission not granted</string>
 </resources>