PR: Notification Management feature

app/src/main/java/com/doyoonkim/knutice/fcm/PushNotificationHandler.kt

@@ -1,28 +1,20 @@
 package com.doyoonkim.knutice.fcm
 
 import android.Manifest
-import android.app.NotificationChannel
-import android.app.NotificationManager
-import android.content.Context
 import android.content.pm.PackageManager
-import android.graphics.Bitmap
 import android.graphics.drawable.Icon
-import android.os.Build
 import android.util.Log
 import androidx.core.app.ActivityCompat
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import com.doyoonkim.knutice.data.KnuticeRemoteSource
 import com.example.knutice.R
-import com.google.android.datatransport.Priority
 import com.google.android.gms.tasks.OnCompleteListener
 import com.google.firebase.messaging.FirebaseMessaging
 import com.google.firebase.messaging.FirebaseMessagingService
 import com.google.firebase.messaging.RemoteMessage
-import java.util.UUID
 import javax.inject.Inject
 import kotlin.random.Random
-import kotlin.random.nextInt
 
 class PushNotificationHandler @Inject constructor() : FirebaseMessagingService() {
     @Inject lateinit var remoteSource: KnuticeRemoteSource

app/src/main/java/com/doyoonkim/knutice/model/Types.kt

@@ -2,4 +2,4 @@ package com.doyoonkim.knutice.model
 
 enum class NoticeCategory { GENERAL_NEWS, ACADEMIC_NEWS, SCHOLARSHIP_NEWS, EVENT_NEWS, Unspecified }
 
-enum class Destination { MAIN, MORE_GENERAL, MORE_ACADEMIC, MORE_SCHOLARSHIP, MORE_EVENT, SETTINGS, CS }
+enum class Destination { MAIN, MORE_GENERAL, MORE_ACADEMIC, MORE_SCHOLARSHIP, MORE_EVENT, SETTINGS, CS, OSS }

app/src/main/java/com/doyoonkim/knutice/navigation/MainNavigator.kt

@@ -12,6 +12,7 @@ import com.doyoonkim.knutice.model.Destination
 import com.doyoonkim.knutice.model.NoticeCategory
 import com.doyoonkim.knutice.presentation.CategorizedNotification
 import com.doyoonkim.knutice.presentation.MoreCategorizedNotification
+import com.doyoonkim.knutice.presentation.OpenSourceLicenseNotice
 import com.doyoonkim.knutice.presentation.UserPreference
 import com.doyoonkim.knutice.viewModel.MainActivityViewModel
 
@@ -75,8 +76,16 @@ fun MainNavigator(
                 updatedCurrentLocation = Destination.SETTINGS
             )
             UserPreference(
-                Modifier.padding(top = 20.dp, start = 10.dp, end = 10.dp)
+                Modifier.padding(top = 20.dp, start = 10.dp, end = 10.dp),
+                navController
             )
         }
+
+        composable(Destination.OSS.name) {
+            viewModel.updateState(
+                updatedCurrentLocation = Destination.OSS
+            )
+            OpenSourceLicenseNotice()
+        }
     }
 }

app/src/main/java/com/doyoonkim/knutice/presentation/CategorizedNoficiation.kt

@@ -15,7 +15,6 @@ import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment

app/src/main/java/com/doyoonkim/knutice/presentation/DetailedNoticeContent.kt

@@ -3,6 +3,7 @@ package com.doyoonkim.knutice.presentation
 import android.content.Intent
 import android.net.Uri
 import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -48,7 +49,8 @@ fun DetailedNoticeContent(
     val localContext = LocalContext.current
 
     Surface(
-        modifier = modifier.fillMaxWidth(),
+        modifier = modifier.fillMaxWidth()
+            .background(MaterialTheme.colorScheme.containerBackground),
         shape = RoundedCornerShape(10.dp),
         color = MaterialTheme.colorScheme.containerBackground
     ) {

app/src/main/java/com/doyoonkim/knutice/presentation/MainActivity.kt

@@ -54,6 +54,7 @@ class MainActivity : ComponentActivity() {
             // Permission is already granted, and Push Notification is available
         } else {
             // Need to inform user that the app won't display push notification.
+            // TODO: Add small pop-up style composable to be shown to indicate that a push notification won't available.
         }
     }
 
@@ -83,6 +84,13 @@ class MainActivity : ComponentActivity() {
             }
         }
     }
+
+    override fun onDestroy() {
+        super.onDestroy()
+
+        viewModelStore.clear()
+        this.externalCacheDir?.delete()
+    }
 }
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -129,6 +137,7 @@ fun MainServiceScreen(
                                 Destination.MORE_SCHOLARSHIP -> R.string.scholarship_news
                                 Destination.MORE_EVENT -> R.string.event_news
                                 Destination.SETTINGS -> R.string.title_preference
+                                Destination.OSS -> R.string.oss_notice
                                 else -> R.string.app_name
                             }),
                             fontSize = 20.sp,

app/src/main/java/com/doyoonkim/knutice/presentation/OssNotice.kt

@@ -0,0 +1,30 @@
+package com.doyoonkim.knutice.presentation
+
+import android.webkit.WebView
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
+
+@Composable
+fun OpenSourceLicenseNotice(
+    modifier: Modifier = Modifier
+) {
+    AndroidView(
+        modifier = modifier.fillMaxWidth().padding(5.dp),
+        factory = { context ->
+            WebView(context).apply {
+                loadUrl("https://knutice.github.io/KNUTICE-OpenSourceLicense/Android/opensource.html")
+            }
+        }
+    )
+}
+
+@Composable
+@Preview
+fun OpenSourceLicenseNotice_Preview() {
+    OpenSourceLicenseNotice()
+}

app/src/main/java/com/doyoonkim/knutice/presentation/UserPreference.kt

@@ -1,5 +1,9 @@
 package com.doyoonkim.knutice.presentation
 
+import android.Manifest
+import android.content.Intent
+import android.content.pm.PackageManager
+import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -8,18 +12,33 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.wrapContentHeight
 import androidx.compose.foundation.layout.wrapContentSize
 import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.ColorFilter
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import androidx.core.content.ContextCompat
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.compose.LifecycleEventEffect
+import androidx.navigation.NavController
+import androidx.navigation.compose.rememberNavController
+import com.doyoonkim.knutice.model.Destination
+import com.doyoonkim.knutice.ui.theme.buttonContainer
 import com.doyoonkim.knutice.ui.theme.subTitle
 import com.example.knutice.R
 
@@ -28,7 +47,17 @@ import com.example.knutice.R
 @Composable
 fun UserPreference(
     modifier: Modifier = Modifier,
+    navController: NavController = rememberNavController()
 ) {
+    var permissionStatus by remember { mutableStateOf(false) }
+    val context = LocalContext.current
+
+    LifecycleEventEffect(Lifecycle.Event.ON_RESUME) {
+        permissionStatus = ContextCompat.checkSelfPermission(
+            context, Manifest.permission.POST_NOTIFICATIONS
+        ) == PackageManager.PERMISSION_GRANTED
+    }
+
     Column(
         modifier = modifier,
         horizontalAlignment = Alignment.CenterHorizontally,
@@ -78,9 +107,17 @@ fun UserPreference(
                 }
 
                 Switch(
-                    checked = false,
-                    onCheckedChange = {  },
-                    enabled = false
+                    checked = permissionStatus,
+                    onCheckedChange = {
+                        val settingIntent = Intent(
+                            "android.settings.APP_NOTIFICATION_SETTINGS"
+                        ).apply {
+                            this.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                            this.putExtra("android.provider.extra.APP_PACKAGE", context.packageName)
+                        }
+                        context.startActivity(settingIntent)
+                    },
+                    enabled = true
                 )
             }
         }
@@ -133,8 +170,8 @@ fun UserPreference(
 
         Row(
             modifier = Modifier.fillMaxWidth().wrapContentSize()
-                .padding(top = 15.dp, bottom = 15.dp),
-            verticalAlignment = Alignment.Bottom
+                .padding(top = 5.dp, bottom = 5.dp),
+            verticalAlignment = Alignment.CenterVertically,
         ) {
             Text(
                 modifier = Modifier.wrapContentHeight().weight(5f),
@@ -144,14 +181,15 @@ fun UserPreference(
                 textAlign = TextAlign.Start
             )
 
-            //TODO: Should be replaced with Actual Icon Button.
-            Text(
-                modifier = Modifier.wrapContentHeight().weight(2f),
-                text = ">",
-                fontWeight = FontWeight.Normal,
-                fontSize = 14.sp,
-                textAlign = TextAlign.End
-            )
+            IconButton(
+                onClick = { navController.navigate(Destination.OSS.name) }
+            ) {
+                Image(
+                    painter = painterResource(R.drawable.baseline_arrow_forward_ios_24),
+                    contentDescription = "Button to OSS Notice",
+                    colorFilter = ColorFilter.tint(MaterialTheme.colorScheme.buttonContainer)
+                )
+            }
         }
 
         HorizontalDivider(

app/src/main/res/drawable/baseline_arrow_forward_ios_24.xml

@@ -0,0 +1,5 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:autoMirrored="true" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
+
+    <path android:fillColor="@android:color/white" android:pathData="M6.23,20.23l1.77,1.77l10,-10l-10,-10l-1.77,1.77l8.23,8.23z"/>
+
+</vector>

app/src/main/res/values-ko-rKR/strings.xml

@@ -17,4 +17,5 @@
     <string name="title_preference">설정</string>
     <string name="new_notice">새로운 알림이 도착했어요!</string>
     <string name="inapp_notificaiton_channel_name">신규 공지 알림</string>
+    <string name="oss_notice">오픈소스 라이센스</string>
 </resources>

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

@@ -20,4 +20,5 @@
     <string name="inapp_notification_channel_id" translatable="false">knutice_inapp_notification_channel</string>
     <string name="inapp_notification_channel_description" translatable="false">knutice inapp notification channel</string>
     <string name="inapp_notificaiton_channel_name">KNUTICE In-app Notice</string>
+    <string name="oss_notice">Open Source License</string>
 </resources>