android: notice about background service (#481)

* android: notice about background service

* update alert text

apps/android/app/src/main/java/chat/simplex/app/MainActivity.kt

@@ -40,7 +40,6 @@ class MainActivity: ComponentActivity() {
     super.onCreate(savedInstanceState)
 //    testJson()
     processIntent(intent, vm.chatModel)
-//    vm.app.initiateBackgroundWork()
     setContent {
       SimpleXTheme {
         Surface(

apps/android/app/src/main/java/chat/simplex/app/SimplexApp.kt

@@ -1,8 +1,6 @@
 package chat.simplex.app
 
 import android.app.Application
-import android.content.Context
-import android.content.SharedPreferences
 import android.net.LocalServerSocket
 import android.util.Log
 import androidx.lifecycle.*
@@ -49,6 +47,7 @@ class SimplexApp: Application(), LifecycleEventObserver {
       if (user != null) {
         chatController.startChat(user)
         SimplexService.start(applicationContext)
+        chatController.showBackgroundServiceNotice()
       }
     }
   }

apps/android/app/src/main/java/chat/simplex/app/model/SimpleXAPI.kt

@@ -5,7 +5,15 @@ import android.app.ActivityManager.RunningAppProcessInfo
 import android.content.Context
 import android.content.SharedPreferences
 import android.util.Log
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Bolt
 import androidx.compose.runtime.mutableStateOf
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.*
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
 import chat.simplex.app.*
 import chat.simplex.app.views.helpers.AlertManager
 import chat.simplex.app.views.helpers.withApi
@@ -368,6 +376,51 @@ open class ChatController(private val ctrl: ChatCtrl, private val ntfManager: Nt
     chatModel.updateNetworkStatus(contact, Chat.NetworkStatus.Error(err))
   }
 
+  fun showBackgroundServiceNotice() {
+    if (!getBackgroundServiceNoticeShown()) {
+      AlertManager.shared.showAlert {
+        AlertDialog(
+          onDismissRequest = AlertManager.shared::hideAlert,
+          title = {
+            Row {
+              Icon(
+                Icons.Outlined.Bolt,
+                contentDescription = "Instant notifications",
+              )
+              Text("Private instant notifications!", fontWeight = FontWeight.Bold)
+            }
+          },
+          text = {
+            Column {
+              Text(
+                buildAnnotatedString {
+                  append("To preserve your privacy instead of push notifications the app has a ")
+                  withStyle(SpanStyle(fontWeight = FontWeight.Medium)) {
+                    append("SimpleX background service")
+                  }
+                  append(" – it uses only a few percents of battery a day.")
+                },
+                Modifier.padding(bottom = 8.dp)
+              )
+              Text(
+                buildAnnotatedString {
+                  withStyle(SpanStyle(fontWeight = FontWeight.Medium)) {
+                    append("It can be disabled via settings")
+                  }
+                  append(" – notification would still be shown while the app is running.")
+                }
+              )
+            }
+          },
+          confirmButton = {
+            Button(onClick = AlertManager.shared::hideAlert) { Text("Ok") }
+          }
+        )
+      }
+      setBackgroundServiceNoticeShown()
+    }
+  }
+
   fun getAutoRestartWorkerVersion(): Int = sharedPreferences.getInt(SHARED_PREFS_AUTO_RESTART_WORKER_VERSION, 0)
 
   fun setAutoRestartWorkerVersion(version: Int) =
@@ -382,10 +435,18 @@ open class ChatController(private val ctrl: ChatCtrl, private val ntfManager: Nt
       .putBoolean(SHARED_PREFS_RUN_SERVICE_IN_BACKGROUND, runService)
       .apply()
 
+  fun getBackgroundServiceNoticeShown(): Boolean = sharedPreferences.getBoolean(SHARED_PREFS_SERVICE_NOTICE_SHOWN, false)
+
+  fun setBackgroundServiceNoticeShown() =
+    sharedPreferences.edit()
+      .putBoolean(SHARED_PREFS_SERVICE_NOTICE_SHOWN, true)
+      .apply()
+
   companion object {
     private const val SHARED_PREFS_ID = "chat.simplex.app.SIMPLEX_APP_PREFS"
     private const val SHARED_PREFS_AUTO_RESTART_WORKER_VERSION = "AutoRestartWorkerVersion"
     private const val SHARED_PREFS_RUN_SERVICE_IN_BACKGROUND = "RunServiceInBackground"
+    private const val SHARED_PREFS_SERVICE_NOTICE_SHOWN = "BackgroundServiceNoticeShown"
   }
 }
 

apps/android/app/src/main/java/chat/simplex/app/views/TerminalView.kt

@@ -1,6 +1,5 @@
 package chat.simplex.app.views
 
-import android.annotation.SuppressLint
 import android.content.res.Configuration
 import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.*

apps/android/app/src/main/java/chat/simplex/app/views/WelcomeView.kt

@@ -153,6 +153,7 @@ fun CreateProfilePanel(chatModel: ChatModel) {
         )
         chatModel.controller.startChat(user)
         SimplexService.start(chatModel.controller.appContext)
+        chatModel.controller.showBackgroundServiceNotice()
       }
     },
     enabled = (displayName.isNotEmpty() && isValidDisplayName(displayName))

apps/android/app/src/main/java/chat/simplex/app/views/chat/ComposeView.kt

@@ -1,7 +1,8 @@
 package chat.simplex.app.views.chat
 
 import androidx.compose.foundation.layout.Column
-import androidx.compose.runtime.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
 import chat.simplex.app.model.ChatItem
 
 // TODO ComposeState

apps/android/app/src/main/java/chat/simplex/app/views/chat/item/ChatItemView.kt

@@ -5,7 +5,6 @@ import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Edit
 import androidx.compose.material.icons.outlined.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment

apps/android/app/src/main/java/chat/simplex/app/views/usersettings/SettingsView.kt

@@ -154,10 +154,10 @@ fun SettingsLayout(
       SettingsSectionView() {
         Icon(
           Icons.Outlined.Bolt,
-          contentDescription = "Instant notifications",
+          contentDescription = "Private notifications",
         )
         Spacer(Modifier.padding(horizontal = 4.dp))
-        Text("Instant notifications", Modifier
+        Text("Private notifications", Modifier
           .padding(end = 24.dp)
           .fillMaxWidth()
           .weight(1F))

apps/android/app/src/main/java/chat/simplex/app/views/usersettings/UserProfileView.kt

@@ -1,12 +1,8 @@
 package chat.simplex.app.views.usersettings
 
 import android.content.res.Configuration
-import android.widget.ScrollView
 import androidx.compose.foundation.*
-import androidx.compose.foundation.gestures.Orientation
-import androidx.compose.foundation.gestures.scrollable
 import androidx.compose.foundation.layout.*
-import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.text.BasicTextField
@@ -26,7 +22,6 @@ import androidx.compose.ui.unit.dp
 import chat.simplex.app.model.ChatModel
 import chat.simplex.app.model.Profile
 import chat.simplex.app.ui.theme.SimpleXTheme
-import chat.simplex.app.views.chat.CIListState
 import chat.simplex.app.views.helpers.*
 import chat.simplex.app.views.newchat.ModalView
 import com.google.accompanist.insets.ProvideWindowInsets

apps/android/build.gradle

@@ -1,6 +1,6 @@
 buildscript {
     ext {
-        compose_version = '1.1.0'
+        compose_version = '1.1.1'
     }
     repositories {
         google()