Get Home Indicator Height on iOS

modules/display/src/main/java/com/gluonhq/attach/display/DisplayService.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2019 Gluon
+ * Copyright (c) 2016, 2022 Gluon
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -138,6 +138,12 @@ static Optional<DisplayService> create() {
      */
     float getScreenScale();
 
+    /**
+     * Returns the height of Home Indicator
+     * @return the height of Home Indicator
+     */
+    int getHomeIndicatorHeight();
+
     /**
      * Returns true if the device has a round screen
      * @return true if the device has a round screen

modules/display/src/main/java/com/gluonhq/attach/display/impl/AndroidDisplayService.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2020 Gluon
+ * Copyright (c) 2016, 2022 Gluon
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -103,6 +103,12 @@ public float getScreenScale() {
         return scale;
     }
 
+    @Override
+    public int getHomeIndicatorHeight() {
+        // Not Implemented Yet
+        return 0;
+    }
+
     @Override
     public boolean isScreenRound() {
         return screenRound();
@@ -122,4 +128,4 @@ public ReadOnlyObjectProperty<Notch> notchProperty() {
     private native static boolean isPhoneFactor();
     private native static double[] screenSize();
     private native static boolean screenRound();
-}
+}

modules/display/src/main/java/com/gluonhq/attach/display/impl/DesktopDisplayService.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2019 Gluon
+ * Copyright (c) 2016, 2022 Gluon
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -86,6 +86,11 @@ public float getScreenScale() {
         return (float) Math.min(Screen.getPrimary().getOutputScaleX(), Screen.getPrimary().getOutputScaleY());
     }
 
+    @Override
+    public int getHomeIndicatorHeight() {
+        return 0;
+    }
+
     @Override
     public boolean isScreenRound() {
         return false;
@@ -107,4 +112,4 @@ private static void log(String message, Throwable cause) {
             cause.printStackTrace();
         }
     }
-}
+}

modules/display/src/main/java/com/gluonhq/attach/display/impl/IOSDisplayService.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2019 Gluon
+ * Copyright (c) 2016, 2022 Gluon
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -38,7 +38,7 @@
 public class IOSDisplayService implements DisplayService {
 
     static {
-        System.loadLibrary("Display");
+        Platform.runLater(()->System.loadLibrary("Display"));
         initDisplay();
     }
 
@@ -80,6 +80,11 @@ public Dimension2D getDefaultDimensions() {
         return new Dimension2D(dim[0], dim[1]);
     }
 
+    @Override
+    public int getHomeIndicatorHeight() {
+       return getSafeAreaInsets()[1];
+    }
+
     @Override
     public float getScreenScale() {
         return screenScale();
@@ -100,6 +105,11 @@ public ReadOnlyObjectProperty<Notch> notchProperty() {
         return notch.getReadOnlyProperty();
     }
 
+    private int [] getSafeAreaInsets() {
+       return safeAreaInsets();
+    }
+
+
     // native
     private static native void initDisplay();
 
@@ -108,6 +118,7 @@ public ReadOnlyObjectProperty<Notch> notchProperty() {
     private native static double[] screenBounds();
     private native static float screenScale();
     private native static boolean isNotchFound();
+    private native static int[] safeAreaInsets();
 
     private static native void startObserver();
     private static native void stopObserver();
@@ -119,4 +130,4 @@ private static void notifyDisplay(String o) {
             Platform.runLater(() -> notch.setValue(d));
         }
     }
-}
+}

modules/display/src/main/native/ios/Display.m

@@ -273,4 +273,33 @@ -(void)OrientationDidChange:(NSNotification*)notification
     sendNotch();
 }
 
-@end
+JNIEXPORT jintArray JNICALL Java_com_gluonhq_attach_display_impl_IOSDisplayService_safeAreaInsets
+(JNIEnv *env, jclass jClass)
+{
+    jintArray output = (*env)->NewIntArray(env, 2);
+    if (output == NULL) {
+        return NULL;
+    }
+
+    if (@available(iOS 11.0, *)) {
+        UIWindow* window = [UIApplication sharedApplication].keyWindow;
+        if(!window)
+        {
+           AttachLog(@"key window was nil");
+           return NULL;
+        }
+        CGFloat topPadding = window.safeAreaInsets.top;
+        CGFloat bottomPadding = window.safeAreaInsets.bottom;
+
+        jint res[] = {topPadding, bottomPadding};
+        (*env)->SetIntArrayRegion(env, output, 0, 2, res);
+        return output;
+
+    }
+    jint res[]={0,0};
+    (*env)->SetIntArrayRegion(env, output, 0, 2, res);
+    return output;
+}
+
+
+@end