Improve splash display on android (#3105)

* Set window background during startup on android

* Set statusbar color to transparent and fine-tune it

1 files changed, 20 insertions, 0 deletions

diff --git a/plugins/withAndroidStylesWindowBackgroundPlugin.js b/plugins/withAndroidStylesWindowBackgroundPlugin.js
new file mode 100644
index 000000000..427f43df0
--- /dev/null
+++ b/plugins/withAndroidStylesWindowBackgroundPlugin.js
@@ -0,0 +1,20 @@
+const {withAndroidStyles, AndroidConfig} = require('@expo/config-plugins')
+
+module.exports = function withAndroidStylesWindowBackgroundPlugin(appConfig) {
+  return withAndroidStyles(appConfig, function (decoratedAppConfig) {
+    try {
+      decoratedAppConfig.modResults = AndroidConfig.Styles.assignStylesValue(
+        decoratedAppConfig.modResults,
+        {
+          add: true,
+          parent: AndroidConfig.Styles.getAppThemeLightNoActionBarGroup(),
+          name: 'android:windowBackground',
+          value: '@drawable/splashscreen',
+        },
+      )
+    } catch (e) {
+      console.error(`withAndroidStylesWindowBackgroundPlugin failed`, e)
+    }
+    return decoratedAppConfig
+  })
+}