Show splash window after 1500 ms

app/src/main/java/eu/faircode/email/ActivityMain.java

@@ -25,6 +25,7 @@ import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.Handler;
 
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.fragment.app.FragmentManager;
@@ -51,6 +52,13 @@ public class ActivityMain extends AppCompatActivity implements FragmentManager.O
         if (prefs.getBoolean("eula", false)) {
             super.onCreate(savedInstanceState);
 
+            new Handler().postDelayed(new Runnable() {
+                @Override
+                public void run() {
+                    getWindow().setBackgroundDrawableResource(R.drawable.splash);
+                }
+            }, 1500);
+
             new SimpleTask<Boolean>() {
                 @Override
                 protected Boolean onExecute(Context context, Bundle args) {

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

@@ -76,10 +76,8 @@
         <item name="android:colorBackgroundCacheHint">@null</item>
         <item name="android:windowIsTranslucent">true</item>
         <item name="android:windowAnimationStyle">@android:style/Animation</item>
-    </style>
-
-    <style name="Theme.Splash" parent="Theme.AppCompat.NoActionBar">
-        <item name="android:windowBackground">@drawable/splash</item>
+        <item name="android:navigationBarColor">@android:color/transparent</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
     </style>
 
     <style name="checkboxStyle" parent="Base.Widget.AppCompat.CompoundButton.CheckBox">