알림 권한 물어보도록 기능 추가

.gitignore

@@ -21,3 +21,7 @@ app/google-services.json
 *.jks
 keystore.properties
 *.aab
+output-metadata.json
+**/output-metadata.json
+*.zip
+*.apk

app/src/main/java/com/dkin/chevit/app/MainActivity.kt

@@ -1,14 +1,24 @@
 package com.dkin.chevit.app
 
+import android.Manifest.permission.POST_NOTIFICATIONS
+import android.content.Intent
+import android.content.pm.PackageManager.PERMISSION_GRANTED
+import android.net.Uri
+import android.os.Build
+import android.provider.Settings
 import android.view.MenuItem
 import android.view.inputmethod.InputMethodManager
+import androidx.activity.result.contract.ActivityResultContracts.RequestPermission
+import androidx.appcompat.app.AlertDialog
+import androidx.core.content.ContextCompat
 import androidx.navigation.fragment.NavHostFragment
 import androidx.navigation.ui.AppBarConfiguration
 import androidx.navigation.ui.NavigationUI
 import androidx.navigation.ui.navigateUp
 import com.dkin.chevit.app.databinding.ActivityMainBinding
 import com.dkin.chevit.core.base.BaseActivity
 import dagger.hilt.android.AndroidEntryPoint
+import timber.log.Timber
 
 @AndroidEntryPoint
 class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::inflate) {
@@ -27,6 +37,12 @@ class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::infl
         navHostFragment.navController
     }
 
+    private val requestPermissionLauncher by lazy {
+        registerForActivityResult(RequestPermission()) { isGranted: Boolean ->
+            Timber.d("Permission granted: $isGranted")
+        }
+    }
+
     override fun initView() {
         NavigationUI.setupActionBarWithNavController(
             this@MainActivity,
@@ -37,6 +53,9 @@ class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::infl
             hideSoftKeyboard()
         }
         supportActionBar?.hide()
+
+        // TODO 임시로 이렇게 처리 추후 개선 필요
+        askNotificationPermission()
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
@@ -63,4 +82,35 @@ class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::infl
         val inputMethodManager = getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager?
         inputMethodManager?.hideSoftInputFromWindow(focus.windowToken, 0)
     }
+
+    private fun askNotificationPermission() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            if (ContextCompat.checkSelfPermission(this, POST_NOTIFICATIONS) == PERMISSION_GRANTED) {
+                // 이미 알림 권한 허용
+                return
+            } else if (shouldShowRequestPermissionRationale(POST_NOTIFICATIONS)) {
+                AlertDialog.Builder(this)
+                    .setTitle("기기 알림이 꺼져있어요")
+                    .setMessage("알림을 허용하여 준비물을 빼먹지 않도록 해요!")
+                    .setPositiveButton("확인") { _, _ ->
+                        navigateNotificationSetting()
+                    }
+                    .setNegativeButton("취소") { _, _ -> }
+                    .show()
+            } else {
+                requestPermissionLauncher.launch(POST_NOTIFICATIONS)
+            }
+        }
+    }
+
+    private fun navigateNotificationSetting() {
+        val intent = Intent(Settings.ACTION_APP_NOTIFICATION_SETTINGS).apply {
+            putExtra(Settings.EXTRA_APP_PACKAGE, packageName)
+        }
+        kotlin.runCatching {
+            startActivity(intent)
+        }.onFailure { throwable ->
+            Timber.e(throwable)
+        }
+    }
 }

presentation/notification/build.gradle.kts

@@ -13,6 +13,7 @@ android {
 dependencies {
     implementation(project(":core"))
     implementation(project(":domain"))
+    implementation(project(":presentation:resource"))
 
     implementation(platform(libs.firebase.bom))
     implementation(libs.firebase.messaging)

presentation/notification/src/main/AndroidManifest.xml

@@ -1,8 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
     <application>
+        <meta-data
+            android:name="com.google.firebase.messaging.default_notification_channel"
+            android:value="default" />
+
+        <meta-data
+            android:name="com.google.firebase.messaging.default_notification_icon"
+            android:resource="@mipmap/ic_launcher" />
+
         <service
             android:name=".ChevitFirebaseMessagingService"
             android:exported="false"