Add splash screen animation

.idea/gradle.xml

@@ -15,7 +15,6 @@
             <option value="$PROJECT_DIR$/shared" />
           </set>
         </option>
-        <option name="resolveModulePerSourceSet" value="false" />
       </GradleProjectSettings>
     </option>
   </component>

.idea/misc.xml

@@ -36,6 +36,7 @@
         <entry key="app/src/main/res/drawable-v26/ic_shortcut_pause.xml" value="0.27447916666666666" />
         <entry key="app/src/main/res/drawable/background_splash.xml" value="0.409375" />
         <entry key="app/src/main/res/drawable/horizontal_rule.xml" value="0.1" />
+        <entry key="app/src/main/res/drawable/ic_app_logo.xml" value="0.1065" />
         <entry key="app/src/main/res/drawable/ic_launcher_background.xml" value="0.27447916666666666" />
         <entry key="app/src/main/res/drawable/ic_pause.xml" value="0.409375" />
         <entry key="app/src/main/res/drawable/ic_play.xml" value="0.27447916666666666" />

app/build.gradle.kts

@@ -1,6 +1,6 @@
-import java.util.Properties
 import java.io.FileInputStream
 import java.io.FileNotFoundException
+import java.util.*
 
 plugins {
     id("com.android.application")
@@ -75,6 +75,7 @@ dependencies {
     kapt(libs.hilt.android.kapt)
     implementation(libs.androidx.core)
     implementation(libs.androidx.appcompat)
+    implementation(libs.androidx.splash)
     implementation(libs.material)
     implementation("androidx.constraintlayout:constraintlayout:2.0.4")
     implementation("androidx.legacy:legacy-support-v4:1.0.0")

app/src/main/AndroidManifest.xml

@@ -13,7 +13,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:usesCleartextTraffic="true"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:theme="@style/Theme.App.Starting">
         <activity
             android:name=".MainActivity"
             android:windowSoftInputMode="adjustResize"

app/src/main/java/com/wbrawner/pihelper/MainActivity.kt

@@ -1,9 +1,11 @@
 package com.wbrawner.pihelper
 
+import android.animation.ObjectAnimator
 import android.os.Build
 import android.os.Bundle
 import android.view.View
 import android.view.WindowInsetsController
+import android.view.animation.AnticipateInterpolator
 import android.widget.Toast
 import androidx.activity.compose.setContent
 import androidx.appcompat.app.AppCompatActivity
@@ -22,7 +24,9 @@ import androidx.compose.ui.graphics.ColorFilter
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.core.animation.doOnEnd
 import androidx.core.content.ContextCompat
+import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.navigation.NavController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
@@ -41,6 +45,7 @@ class MainActivity : AppCompatActivity() {
     lateinit var store: Store
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        installSplashScreen()
         super.onCreate(savedInstanceState)
         setContent {
             val isDarkTheme = isSystemInDarkTheme()
@@ -117,6 +122,23 @@ class MainActivity : AppCompatActivity() {
                 }
             }
         }
+        splashScreen.setOnExitAnimationListener { splashScreenView ->
+            listOf(View.SCALE_X, View.SCALE_Y).forEach { axis ->
+                ObjectAnimator.ofFloat(
+                    splashScreenView,
+                    axis,
+                    1f,
+                    0.45f
+                ).apply {
+                    interpolator = AnticipateInterpolator()
+                    duration = 200L
+                    doOnEnd {
+                        splashScreenView.remove()
+                    }
+                    start()
+                }
+            }
+        }
     }
 
     override fun onBackPressed() {

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

@@ -10,4 +10,11 @@
     <style name="AppTheme" parent="BaseTheme">
         <item name="android:windowLightStatusBar">true</item>
     </style>
+
+    <style name="Theme.App.Starting" parent="Theme.SplashScreen">
+        <item name="windowSplashScreenBackground">@color/colorSurface</item>
+        <item name="windowSplashScreenAnimatedIcon">@drawable/ic_app_logo</item>
+        <item name="postSplashScreenTheme">@style/AppTheme</item>
+    </style>
+
 </resources>

gradle/libs.versions.toml

@@ -1,6 +1,7 @@
 [versions]
 androidx-core = "1.3.2"
 androidx-appcompat = "1.2.0"
+androidx-splash = "1.0.0-beta02"
 compose = "1.1.1"
 coroutines = "1.4.3"
 espresso = "3.3.0"
@@ -24,6 +25,7 @@ versionName = "1.0"
 android-gradle = { module = "com.android.tools.build:gradle", version = "7.1.2"}
 androidx-appcompat = { module = "androidx.appcompat:appcompat", version.ref = "androidx-appcompat" }
 androidx-core = { module = "androidx.core:core-ktx", version.ref = "androidx-core" }
+androidx-splash = { module = "androidx.core:core-splashscreen", version.ref = "androidx-splash" }
 compose-activity = { module = "androidx.activity:activity-compose", version = "1.4.0" }
 compose-material = { module = "androidx.compose.material:material", version.ref = "compose" }
 compose-test = { module = "androidx.compose.ui:ui-test-junit4", version.ref = "compose" }