Android: Fix for low contrast status bar

After we start to use THEME: Theme_DeviceDefault_DayNight, status bar
icons have low contrasts on some devices.

That is why we need to set APPEARANCE_LIGHT_STATUS_BARS[0] in case when
Status bar color is too bright.

[0]https://developer.android.com/reference/android/view/WindowInsetsController#APPEARANCE_LIGHT_STATUS_BARS

Fixes: QTBUG-108365
Change-Id: I38a31cfb0a3a1b912b86ed1b302c567e14a7ffcc
Reviewed-by: Assam Boudjelthia <assam.boudjelthia@qt.io>
(cherry picked from commit eda4049a0142029c192e1690bafffbb98ee4ff99)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/src/android/jar/src/org/qtproject/qt/android/QtActivityDelegate.java b/src/android/jar/src/org/qtproject/qt/android/QtActivityDelegate.java
index ec890d1d61..7a0af367a3 100644
--- a/src/android/jar/src/org/qtproject/qt/android/QtActivityDelegate.java
+++ b/src/android/jar/src/org/qtproject/qt/android/QtActivityDelegate.java
@@ -14,6 +14,7 @@ import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.AssetManager;
 import android.content.res.Configuration;
+import android.graphics.Color;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.Rect;
@@ -43,6 +44,8 @@ import android.view.Surface;
 import android.view.View;
 import android.view.ViewConfiguration;
 import android.view.ViewGroup;
+import android.view.Window;
+import android.view.WindowInsetsController;
 import android.view.WindowManager;
 import android.view.inputmethod.InputMethodManager;
 import android.view.ViewTreeObserver;
@@ -973,6 +976,19 @@ public class QtActivityDelegate
 
     private void handleUiModeChange(int uiMode)
     {
+        // QTBUG-108365
+        if (Build.VERSION.SDK_INT >= 29) {
+            // Since 29 version we are using Theme_DeviceDefault_DayNight
+            Window window = m_activity.getWindow();
+            WindowInsetsController controller = window.getInsetsController();
+            if (controller != null) {
+                // set APPEARANCE_LIGHT_STATUS_BARS if needed
+                int appearanceLight = Color.luminance(window.getStatusBarColor()) > 0.5 ?
+                        WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS : 0;
+                controller.setSystemBarsAppearance(appearanceLight,
+                    WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS);
+            }
+        }
         switch (uiMode) {
             case Configuration.UI_MODE_NIGHT_NO:
                 ExtractStyle.runIfNeeded(m_activity, false);