splash screen

app/src/main/java/info/nightscout/androidaps/MainActivity.kt

@@ -63,6 +63,7 @@ import info.nightscout.interfaces.versionChecker.VersionCheckerUtils
 import info.nightscout.plugins.constraints.signatureVerifier.SignatureVerifierPlugin
 import info.nightscout.rx.AapsSchedulers
 import info.nightscout.rx.events.EventAppExit
+import info.nightscout.rx.events.EventAppInitialized
 import info.nightscout.rx.events.EventPreferenceChange
 import info.nightscout.rx.events.EventRebuildTabs
 import info.nightscout.rx.logging.LTag
@@ -134,10 +135,6 @@ class MainActivity : DaggerAppCompatActivityWithResult() {
             }
         })
 
-        //Check here if loop plugin is disabled. Else check via constraints
-        if (!(loop as PluginBase).isEnabled()) versionCheckerUtils.triggerCheckVersion()
-        setUserStats()
-        setupViews()
         disposable += rxBus
             .toObservable(EventRebuildTabs::class.java)
             .observeOn(aapsSchedulers.main)
@@ -150,6 +147,36 @@ class MainActivity : DaggerAppCompatActivityWithResult() {
             .toObservable(EventPreferenceChange::class.java)
             .observeOn(aapsSchedulers.main)
             .subscribe({ processPreferenceChange(it) }, fabricPrivacy::logException)
+        disposable += rxBus
+            .toObservable(EventAppInitialized::class.java)
+            .observeOn(aapsSchedulers.main)
+            .subscribe({
+                           // 1st run of app
+                           start()
+                       }, fabricPrivacy::logException)
+        onBackPressedDispatcher.addCallback(this, object : OnBackPressedCallback(true) {
+            override fun handleOnBackPressed() {
+                if (binding.mainDrawerLayout.isDrawerOpen(GravityCompat.START))
+                    binding.mainDrawerLayout.closeDrawers()
+                else if (menuOpen)
+                    menu?.close()
+                else if (binding.mainPager.currentItem != 0)
+                    binding.mainPager.currentItem = 0
+                else finish()
+            }
+        })
+        // Setup views on 2nd and next activity start
+        // On 1st start app is still initializing, start() is delayed and run from EventAppInitialized
+        if (config.appInitialized) start()
+    }
+
+    private fun start() {
+        binding.splash.visibility = View.GONE
+        //Check here if loop plugin is disabled. Else check via constraints
+        if (!(loop as PluginBase).isEnabled()) versionCheckerUtils.triggerCheckVersion()
+        setUserStats()
+        setupViews()
+
         if (startWizard() && !isRunningRealPumpTest()) {
             protectionCheck.queryProtection(this, ProtectionCheck.Protection.PREFERENCES, {
                 startActivity(Intent(this, SetupWizardActivity::class.java).setAction("info.nightscout.androidaps.MainActivity"))
@@ -164,17 +191,6 @@ class MainActivity : DaggerAppCompatActivityWithResult() {
             androidPermission.notifyForBtConnectPermission(this)
         }
         passwordResetCheck(this)
-        onBackPressedDispatcher.addCallback(this, object : OnBackPressedCallback(true) {
-            override fun handleOnBackPressed() {
-                if (binding.mainDrawerLayout.isDrawerOpen(GravityCompat.START))
-                    binding.mainDrawerLayout.closeDrawers()
-                else if (menuOpen)
-                    menu?.close()
-                else if (binding.mainPager.currentItem != 0)
-                    binding.mainPager.currentItem = 0
-                else finish()
-            }
-        })
     }
 
     private fun checkPluginPreferences(viewPager: ViewPager2) {
@@ -196,6 +212,7 @@ class MainActivity : DaggerAppCompatActivityWithResult() {
 
     override fun onResume() {
         super.onResume()
+        if (config.appInitialized) binding.splash.visibility = View.GONE
         if (!isProtectionCheckActive) {
             isProtectionCheckActive = true
             protectionCheck.queryProtection(this, ProtectionCheck.Protection.APPLICATION, UIRunnable { isProtectionCheckActive = false },
@@ -321,9 +338,6 @@ class MainActivity : DaggerAppCompatActivityWithResult() {
         this.menu = menu
         menuInflater.inflate(R.menu.menu_main, menu)
         pluginPreferencesMenuItem = menu.findItem(R.id.nav_plugin_preferences)
-        setPluginPreferenceMenuName()
-        checkPluginPreferences(binding.mainPager)
-        setDisabledMenuItemColorPluginPreferences()
         return true
     }
 

app/src/main/java/info/nightscout/androidaps/MainApp.kt

@@ -51,6 +51,10 @@ import io.reactivex.rxjava3.disposables.CompositeDisposable
 import io.reactivex.rxjava3.exceptions.UndeliverableException
 import io.reactivex.rxjava3.kotlin.plusAssign
 import io.reactivex.rxjava3.plugins.RxJavaPlugins
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
 import rxdogtag2.RxDogTag
 import java.io.IOException
 import java.util.concurrent.TimeUnit
@@ -83,13 +87,16 @@ class MainApp : DaggerApplication() {
 
     private var handler = Handler(HandlerThread(this::class.simpleName + "Handler").also { it.start() }.looper)
     private lateinit var refreshWidget: Runnable
+    private val scope = CoroutineScope(Dispatchers.Default + Job())
 
     override fun onCreate() {
         super.onCreate()
         aapsLogger.debug("onCreate")
+        ProcessLifecycleOwner.get().lifecycle.addObserver(processLifecycleListener.get())
+        scope.launch {
             RxDogTag.install()
             setRxErrorHandler()
-        LocaleHelper.update(this)
+            LocaleHelper.update(this@MainApp)
 
             var gitRemote: String? = BuildConfig.REMOTE
             var commitHash: String? = BuildConfig.HEAD
@@ -134,7 +141,7 @@ class MainApp : DaggerApplication() {
                             .subscribe()
                 }, 10000
             )
-        WorkManager.getInstance(this).enqueueUniquePeriodicWork(
+            WorkManager.getInstance(this@MainApp).enqueueUniquePeriodicWork(
                 KeepAliveWorker.KA_0,
                 ExistingPeriodicWorkPolicy.UPDATE,
                 PeriodicWorkRequest.Builder(KeepAliveWorker::class.java, 15, TimeUnit.MINUTES)
@@ -146,14 +153,15 @@ class MainApp : DaggerApplication() {
             localAlertUtils.preSnoozeAlarms()
             doMigrations()
             uel.log(UserEntry.Action.START_AAPS, UserEntry.Sources.Aaps)
-        ProcessLifecycleOwner.get().lifecycle.addObserver(processLifecycleListener.get())
 
             //  schedule widget update
             refreshWidget = Runnable {
                 handler.postDelayed(refreshWidget, 60000)
-            Widget.updateWidget(this, "ScheduleEveryMin")
+                Widget.updateWidget(this@MainApp, "ScheduleEveryMin")
             }
             handler.postDelayed(refreshWidget, 60000)
+            config.appInitialized = true
+        }
     }
 
     private fun setRxErrorHandler() {

app/src/main/java/info/nightscout/androidaps/implementations/ConfigImpl.kt

@@ -35,6 +35,8 @@ class ConfigImpl @Inject constructor(
         Build.MANUFACTURER + " " + Build.MODEL + " (" + Build.DEVICE + ")"
     override val appName: Int = R.string.app_name
 
+    override var appInitialized: Boolean = false
+
     private var devBranch = false
     private var engineeringMode = false
     private var unfinishedMode = false

app/src/main/res/layout/activity_main.xml

@@ -7,6 +7,28 @@
     android:clipChildren="false"
     android:clipToPadding="false">
 
+    <LinearLayout
+        android:id="@+id/splash"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="30dp"
+            android:text="@string/loading"
+            android:textAlignment="center"
+            android:textAppearance="@style/TextAppearance.AppCompat.Display1" />
+
+        <ImageView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="20dp"
+            app:srcCompat="@drawable/splash_logo" />
+    </LinearLayout>
+
     <com.google.android.material.appbar.MaterialToolbar
         android:id="@+id/toolbar"
         android:layout_width="match_parent"

core/interfaces/src/main/java/info/nightscout/interfaces/Config.kt

@@ -20,6 +20,8 @@ interface Config {
     val currentDeviceModelString : String
     val appName: Int
 
+    var appInitialized: Boolean
+
     fun isEngineeringModeOrRelease(): Boolean
     fun isEngineeringMode(): Boolean
     fun isUnfinishedMode(): Boolean

core/ui/src/main/res/drawable/launch_screen.xml

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!-- The android:opacity=”opaque” line — this is critical in preventing a flash of black as your theme transitions. -->
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android" android:opacity="opaque">
-
-    <!-- The background color, preferably the same as your normal theme -->
-    <item android:drawable="?attr/splashBackgroundColor"/>
-
-    <!-- Your product logo - 144dp color version of your app icon -->
-    <item>
-
-        <bitmap
-            android:src="@drawable/splash_icon"
-            android:gravity="center"/>
-
-    </item>
-
-</layer-list>

core/ui/src/main/res/values-night/styles.xml

@@ -21,8 +21,6 @@
         <item name="colorOnBackground">@color/white</item>
         <item name="colorOnError">@color/black</item>
         <item name="scrimBackground">@color/mtrl_scrim_color</item>
-        <!---Splash Background  -->
-        <item name="splashBackgroundColor">@color/splashBackground</item>
         <!---Application Background Color  -->
         <item name="android:windowBackground">@color/black</item>
         <!---Text Colors -->
@@ -399,7 +397,6 @@
 
     <!-- The launcher theme. It sets the main window background to the launch_screen drawable -->
     <style name="AppTheme.Launcher"  parent="AppTheme.NoActionBar">
-        <item name="android:windowBackground">@drawable/launch_screen</item>
     </style>
 
     <style name="section_header_label">

core/ui/src/main/res/values/attrs.xml

@@ -75,8 +75,6 @@
     <attr name="notificationLow" format="reference|color" />
     <attr name="notificationInfo" format="reference|color" />
     <attr name="notificationAnnouncement" format="reference|color" />
-    <!---Splash Background  -->
-    <attr name="splashBackgroundColor" format="reference|color" />
     <!---Disabled Text Color  -->
     <attr name="disabledTextColor" format="reference|color" />
     <!---Overview and History browser  -->

core/ui/src/main/res/values/styles.xml

@@ -24,8 +24,6 @@
         <item name="colorPrimaryVariant">@color/primaryLightColorDefault</item>
         <item name="colorSecondaryVariant">@color/secondaryLightColorDefault</item>
         <item name="scrimBackground">@color/mtrl_scrim_color</item>
-        <!---Splash Background  -->
-        <item name="splashBackgroundColor">@color/aaps_theme_light_background</item>
         <!---Application Background Color  -->
         <item name="android:windowBackground">@color/aaps_theme_light_background</item>
         <!---Text Colors -->
@@ -409,7 +407,6 @@
 
     <!-- The launcher theme. It sets the main window background to the launch_screen drawable -->
     <style name="AppTheme.Launcher"  parent="AppTheme.NoActionBar">
-        <item name="android:windowBackground">@drawable/launch_screen</item>
     </style>
 
     <style name="section_header_label">