Android 12 SplashScreen API has been implemented

Author: fesave

owncloudApp/build.gradle

@@ -61,6 +61,9 @@ dependencies {
     // Preferences
     implementation 'androidx.preference:preference-ktx:1.1.1'
 
+    //SplashScreen
+    implementation 'androidx.core:core-splashscreen:1.0.0-alpha02'
+
     // Tests
     testImplementation project(':owncloudTestUtil')
     testImplementation "junit:junit:$junitVersion"

owncloudApp/src/main/AndroidManifest.xml

@@ -67,11 +67,11 @@
         android:supportsPictureInPicture="false"
         android:theme="@style/Theme.ownCloud.Toolbar"
         tools:targetApi="n">
-        <activity android:name=".presentation.ui.settings.PrivacyPolicyActivity"></activity>
-        <activity android:name=".presentation.ui.settings.SettingsActivity"></activity>
+        <activity android:name=".presentation.ui.settings.PrivacyPolicyActivity"/>
+        <activity android:name=".presentation.ui.settings.SettingsActivity"/>
         <activity
             android:name=".ui.activity.SplashActivity"
-            android:theme="@style/Theme.ownCloud.Splash">
+            android:theme="@style/Theme.App.Starting">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

owncloudApp/src/main/java/com/owncloud/android/ui/activity/SplashActivity.kt

@@ -23,11 +23,13 @@ package com.owncloud.android.ui.activity
 import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 
 class SplashActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        installSplashScreen()
         startActivity(Intent(this, FileDisplayActivity::class.java))
         finish()
     }

owncloudApp/src/main/res/values-v31/styles.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ ownCloud Android client application
+  ~
+  ~ @author Fernando Sanz Velasco
+  ~ Copyright (C) 2021 ownCloud GmbH.
+  ~
+  ~ This program is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License version 2,
+  ~ as published by the Free Software Foundation.
+  ~
+  ~ This program is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  ~
+  -->
+
+<resources>
+    <style name="Theme.App.Starting" parent="Theme.SplashScreen">
+        <item name="windowSplashScreenBackground">@color/splash_background</item>
+        <item name="postSplashScreenTheme">@style/Theme.ownCloud.Toolbar.Drawer</item>
+    </style>
+</resources>

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

@@ -48,7 +48,7 @@
     </style>
 
     <!-- Splash Screen -->
-    <style name="Theme.ownCloud.Splash">
+    <style name="Theme.App.Starting" parent="Theme.SplashScreen">
         <item name="android:windowBackground">@drawable/splash_screen</item>
     </style>