feat(android): expose uiFlags (#14166)

* feat(android): expose uiFlags

* Update apidoc/Titanium/UI/Window.yml

Co-authored-by: Hans Knöchel <hansemannn@users.noreply.github.com>

* use properties

---------

Co-authored-by: Hans Knöchel <hansemannn@users.noreply.github.com>

Author: m1ga

android/modules/ui/src/java/ti/modules/titanium/ui/WindowProxy.java

@@ -70,7 +70,8 @@
 		TiC.PROPERTY_WINDOW_PIXEL_FORMAT,
 		TiC.PROPERTY_FLAG_SECURE,
 		TiC.PROPERTY_BAR_COLOR,
-		TiC.PROPERTY_STATUS_BAR_COLOR
+		TiC.PROPERTY_STATUS_BAR_COLOR,
+		TiC.PROPERTY_UI_FLAGS
 	})
 
 public class WindowProxy extends TiWindowProxy implements TiActivityWindow
@@ -328,6 +329,10 @@ public void windowCreated(TiBaseActivity activity, Bundle savedInstanceState)
 			win.setStatusBarColor(colorInt);
 		}
 
+		if (hasProperty(TiC.PROPERTY_UI_FLAGS)) {
+			win.getDecorView().setSystemUiVisibility(TiConvert.toInt(getProperty(TiC.PROPERTY_UI_FLAGS)));
+		}
+
 		// Handle titleAttributes property.
 		if (hasProperty(TiC.PROPERTY_TITLE_ATTRIBUTES)) {
 			KrollDict innerAttributes = getProperties().getKrollDict(TiC.PROPERTY_TITLE_ATTRIBUTES);
@@ -462,6 +467,13 @@ public void onPropertyChanged(String name, Object value)
 			}
 		}
 
+		if (name.equals(TiC.PROPERTY_UI_FLAGS)) {
+			if (windowActivity != null && windowActivity.get() != null) {
+				AppCompatActivity activity = windowActivity.get();
+				activity.getWindow().getDecorView().setSystemUiVisibility(TiConvert.toInt(value));
+			}
+		}
+
 		if (name.equals(TiC.PROPERTY_TITLE_ATTRIBUTES)) {
 			if (windowActivity != null && windowActivity.get() != null) {
 				// Get a reference to the ActionBar.

android/titanium/src/java/org/appcelerator/titanium/TiC.java

@@ -862,6 +862,7 @@ public class TiC
 	public static final String PROPERTY_JOBTITLE = "jobTitle";
 	public static final String PROPERTY_DEPARTMENT = "department";
 	public static final String PROPERTY_FIXED_SIZE = "fixedSize";
+	public static final String PROPERTY_UI_FLAGS = "uiFlags";
 
 	public static final String SIZE_AUTO = "auto";
 	public static final String URL_APP_PREFIX = "app://";

apidoc/Titanium/UI/Window.yml

@@ -1537,6 +1537,16 @@ properties:
     since: "3.3.0"
     availability: creation
 
+  - name: uiFlags
+    summary: Additional UI flags to set on the Activity Window.
+    description: |
+        See [WindowManager.LayoutParams](https://developer.android.com/reference/android/view/View#setSystemUiVisibility\(int\)) for a
+        list of additional flags that can be assigned to this property. For example, you can use `8192` (SYSTEM_UI_FLAG_LIGHT_STATUS_BAR) to set
+        the status bar text color to a dark color.
+    platforms: [android]
+    type: Number
+    since: "12.7.0"
+
   - name: windowSoftInputMode
     summary: |
         Determines whether a window's soft input area (ie software keyboard) is visible