Android: ensure that navigation/status bar visibility is correctly restored when the app gets resumed.

modules/juce_core/native/java/JuceAppActivity.java

@@ -221,6 +221,10 @@ public class JuceAppActivity   extends Activity
     {
         super.onResume();
         resumeApp();
+
+        // Ensure that navigation/status bar visibility is correctly restored.
+        for (int i = 0; i < viewHolder.getChildCount(); ++i)
+            ((ComponentPeerView) viewHolder.getChildAt (i)).appResumed();
     }
 
     @Override
@@ -821,6 +825,17 @@ public class JuceAppActivity   extends Activity
         {
             return true; //xxx needs to check overlapping views
         }
+
+        //==============================================================================
+        private native void handleAppResumed (long host);
+
+        public void appResumed()
+        {
+            if (host == 0)
+                return;
+
+            handleAppResumed (host);
+        }
     }
 
     //==============================================================================

modules/juce_gui_basics/native/juce_android_Windowing.cpp

@@ -547,6 +547,13 @@ public:
             app->backButtonPressed();
     }
 
+    void handleAppResumedCallback()
+    {
+        if (Component* kiosk = Desktop::getInstance().getKioskModeComponent())
+            if (kiosk->getPeer() == this)
+                setNavBarsHidden (navBarsHidden);
+    }
+
     //==============================================================================
     bool isFocused() const override
     {
@@ -780,6 +787,7 @@ JUCE_VIEW_CALLBACK (void, focusChanged,     (JNIEnv* env, jobject /*view*/, jlon
 JUCE_VIEW_CALLBACK (void, handleKeyDown,    (JNIEnv* env, jobject /*view*/, jlong host, jint k, jint kc),                         handleKeyDownCallback ((int) k, (int) kc))
 JUCE_VIEW_CALLBACK (void, handleKeyUp,      (JNIEnv* env, jobject /*view*/, jlong host, jint k, jint kc),                         handleKeyUpCallback ((int) k, (int) kc))
 JUCE_VIEW_CALLBACK (void, handleBackButton, (JNIEnv* env, jobject /*view*/, jlong host),                                          handleBackButtonCallback())
+JUCE_VIEW_CALLBACK (void, handleAppResumed, (JNIEnv* env, jobject /*view*/, jlong host),                                          handleAppResumedCallback())
 
 //==============================================================================
 ComponentPeer* Component::createNewPeer (int styleFlags, void*)