Update to new Splash Screen API

android/build.gradle

@@ -64,6 +64,7 @@ dependencies {
     androidTestImplementation 'androidx.test:runner:1.4.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.0'
+    implementation 'androidx.core:core-splashscreen:1.0.0-alpha01'
     def navigation = '2.4.0-alpha07'
     implementation "androidx.navigation:navigation-fragment-ktx:$navigation"
     implementation "androidx.navigation:navigation-ui-ktx:$navigation"

android/src/main/AndroidManifest.xml

@@ -15,8 +15,8 @@
         tools:ignore="GoogleAppIndexingWarning"
         tools:targetApi="n">
         <activity
-            android:name=".ui.SplashActivity"
-            android:theme="@style/SplashTheme"
+            android:name=".ui.AuthActivity"
+            android:theme="@style/Theme.App.Starting"
             android:resizeableActivity="true"
             android:windowSoftInputMode="adjustResize"
             android:exported="true">

android/src/main/java/com/wbrawner/budget/ui/AuthActivity.kt

@@ -2,8 +2,10 @@ package com.wbrawner.budget.ui
 
 import android.os.Bundle
 import android.view.View
+import android.view.ViewTreeObserver
 import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.findNavController
 import com.wbrawner.budget.AsyncState
@@ -13,12 +15,26 @@ import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
 
 @AndroidEntryPoint
-class SplashActivity : AppCompatActivity() {
+class AuthActivity : AppCompatActivity() {
     val viewModel: SplashViewModel by viewModels()
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_splash)
+        installSplashScreen()
+        val content: View = findViewById(android.R.id.content)
+        content.viewTreeObserver.addOnPreDrawListener(
+            object : ViewTreeObserver.OnPreDrawListener {
+                override fun onPreDraw(): Boolean {
+                    return if (viewModel.state.value is AsyncState.Success) {
+                        content.viewTreeObserver.removeOnPreDrawListener(this)
+                        true
+                    } else {
+                        false
+                    }
+                }
+            }
+        )
+        setContentView(R.layout.activity_auth)
         window.decorView.apply {
             systemUiVisibility = (
                     View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
@@ -41,7 +57,8 @@ class SplashActivity : AppCompatActivity() {
                             }
                         }
                     }
-                    is AsyncState.Loading -> {}
+                    is AsyncState.Loading -> {
+                    }
                 }
             }
         }

android/src/main/res/layout/activity_auth.xml

@@ -8,4 +8,4 @@
     android:layout_height="match_parent"
     app:defaultNavHost="true"
     app:navGraph="@navigation/auth_graph"
-    tools:context=".ui.SplashActivity" />
+    tools:context=".ui.AuthActivity" />

android/src/main/res/values/styles.xml

@@ -32,17 +32,14 @@
 
     <style name="AppTheme" parent="BaseTheme" />
 
-    <style name="DateTimePickerDialogTheme" parent="BaseDateTimePickerDialogTheme" />
-
-    <style name="SplashTheme" parent="Theme.MaterialComponents.DayNight.NoActionBar">
-        <item name="colorPrimary">@color/colorPrimary</item>
-        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
-        <item name="colorAccent">@color/colorAccent</item>
-        <!--        <item name="android:windowBackground">@drawable/bg_splash</item>-->
-        <item name="android:windowTranslucentNavigation">true</item>
-        <item name="android:windowTranslucentStatus">true</item>
+    <style name="Theme.App.Starting" parent="Theme.SplashScreen">
+        <item name="windowSplashScreenBackground">@color/colorBackgroundPrimary</item>
+        <item name="windowSplashScreenAnimatedIcon">@drawable/ic_twigs_color</item>
+        <item name="postSplashScreenTheme">@style/AppTheme</item>
     </style>
 
+    <style name="DateTimePickerDialogTheme" parent="BaseDateTimePickerDialogTheme" />
+
     <style name="AppTheme.EditText">
         <item name="android:layout_height">wrap_content</item>
         <item name="android:layout_width">match_parent</item>