Make transparency of statusbar persistent when hiding and showing status bar again + support pre-configured StatusBarOverlaysWebView parameter from config.xml

Author: aszmyd

src/android/StatusBar.java

@@ -39,6 +39,8 @@
 public class StatusBar extends CordovaPlugin {
     private static final String TAG = "StatusBar";
 
+    private boolean transparent = false;
+
     /**
      * Sets the context of the Command. This can then be used to do things like
      * get file paths associated with the Activity.
@@ -62,6 +64,9 @@ public void run() {
                 // Read 'StatusBarBackgroundColor' from config.xml, default is #000000.
                 setStatusBarBackgroundColor(preferences.getString("StatusBarBackgroundColor", "#000000"));
 
+                // Read 'StatusBarOverlaysWebView' from config.xml, default is false.
+                setStatusBarTransparent(preferences.getBoolean("StatusBarOverlaysWebView", false));
+
                 // Read 'StatusBarStyle' from config.xml, default is 'lightcontent'.
                 setStatusBarStyle(preferences.getString("StatusBarStyle", "lightcontent"));
             }
@@ -96,7 +101,11 @@ public void run() {
                     // use KitKat here to be aligned with "Fullscreen"  preference
                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                         int uiOptions = window.getDecorView().getSystemUiVisibility();
-                        uiOptions &= ~View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
+                        if (transparent) {
+                            uiOptions |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
+                        } else {
+                            uiOptions &= ~View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
+                        }
                         uiOptions &= ~View.SYSTEM_UI_FLAG_FULLSCREEN;
 
                         window.getDecorView().setSystemUiVisibility(uiOptions);
@@ -227,20 +236,22 @@ private void setStatusBarBackgroundColor(final String colorPref) {
     }
 
     private void setStatusBarTransparent(final boolean transparent) {
-        if (Build.VERSION.SDK_INT >= 21) {
+        this.transparent = transparent;
             final Window window = cordova.getActivity().getWindow();
             if (transparent) {
                 window.getDecorView().setSystemUiVisibility(
                         View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                                 | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
-                window.setStatusBarColor(Color.TRANSPARENT);
+
+                if (Build.VERSION.SDK_INT >= 21) {
+                    window.setStatusBarColor(Color.TRANSPARENT);
+                }
             }
             else {
                 window.getDecorView().setSystemUiVisibility(
                         View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                                 | View.SYSTEM_UI_FLAG_VISIBLE);
             }
-        }
     }
 
     private void setStatusBarStyle(final String style) {