[Android] Add ability to hide status bar via statusBarHidden option (#1821)

android/app/src/main/java/com/reactnativenavigation/params/StyleParams.java

     public Orientation orientation;
     public StatusBarTextColorScheme statusBarTextColorScheme;
     public Color statusBarColor;
+    public boolean statusBarHidden;
     public Color contextualMenuStatusBarColor;
     public Color contextualMenuButtonsColor;
     public Color contextualMenuBackgroundColor;

android/app/src/main/java/com/reactnativenavigation/params/parsers/StyleParamsParser.java

         StyleParams result = new StyleParams(params);
         result.orientation = Orientation.fromString(params.getString("orientation", getDefaultOrientation()));
         result.statusBarColor = getColor("statusBarColor", getDefaultStatusBarColor());
+        result.statusBarHidden = getBoolean("statusBarHidden", getDefaultStatusHidden());
         result.statusBarTextColorScheme = StatusBarTextColorScheme.fromString(params.getString("statusBarTextColorScheme"));
         result.contextualMenuStatusBarColor = getColor("contextualMenuStatusBarColor", getDefaultContextualMenuStatusBarColor());
         result.contextualMenuButtonsColor = getColor("contextualMenuButtonsColor", getDefaultContextualMenuButtonsColor());
         return AppStyle.appStyle == null ? new StyleParams.Color() : AppStyle.appStyle.statusBarColor;
     }
 
+    private boolean getDefaultStatusHidden() {
+        return AppStyle.appStyle != null && AppStyle.appStyle.statusBarHidden;
+    }
+
     private StyleParams.Font getDefaultBottomTabsFontFamily() {
         return AppStyle.appStyle == null ? new StyleParams.Font() : AppStyle.appStyle.bottomTabFontFamily;
     }

android/app/src/main/java/com/reactnativenavigation/screens/Screen.java

 import android.support.v7.app.AppCompatActivity;
 import android.view.View;
 import android.view.Window;
+import android.view.WindowManager;
 import android.widget.RelativeLayout;
 
 import com.facebook.react.bridge.Callback;
 
     public void setStyle() {
         setStatusBarColor(styleParams.statusBarColor);
+        setStatusBarHidden(styleParams.statusBarHidden);
         setStatusBarTextColorScheme(styleParams.statusBarTextColorScheme);
         setNavigationBarColor(styleParams.navigationBarColor);
         topBar.setStyle(styleParams);
         }
     }
 
+    private void setStatusBarHidden(boolean statusBarHidden) {
+        final Window window = ((NavigationActivity) activity).getScreenWindow();
+        if (statusBarHidden) {
+            window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        } else {
+            window.clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        }
+    }
+
     @TargetApi(Build.VERSION_CODES.M)
     private void setStatusBarTextColorScheme(StatusBarTextColorScheme textColorScheme) {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) return;

src/deprecated/platformSpecificDeprecated.android.js

   let ret = {
     orientation: originalStyleObject.orientation,
     statusBarColor: processColor(originalStyleObject.statusBarColor),
+    statusBarHidden: originalStyleObject.statusBarHidden,
     statusBarTextColorScheme: originalStyleObject.statusBarTextColorScheme,
     topBarReactView: originalStyleObject.navBarCustomView,
     topBarReactViewAlignment: originalStyleObject.navBarComponentAlignment,