From 0b030331f1b8c17d67f28e7ae1a2fec35adc3ad9 Mon Sep 17 00:00:00 2001
From: Lukasz Kozakiewicz <lukasz.kozakiewicz@roli.com>
Date: Mon, 9 Apr 2018 18:04:41 +0200
Subject: [PATCH] =?UTF-8?q?Android:=20=20=20ensure=20=E2=80=9Chide=20nativ?=
 =?UTF-8?q?e=20keyboard=20message=E2=80=9D=20is=20sent=20only=20after=20th?=
 =?UTF-8?q?e=20keyboard=20was=20actually=20shown.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../native/java/JuceAppActivity.java          | 30 +++++++++++++++----
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/modules/juce_core/native/java/JuceAppActivity.java b/modules/juce_core/native/java/JuceAppActivity.java
index b649ef5a76..63ede84ffa 100644
--- a/modules/juce_core/native/java/JuceAppActivity.java
+++ b/modules/juce_core/native/java/JuceAppActivity.java
@@ -808,20 +808,38 @@ public class JuceAppActivity   extends $$JuceAppActivityBaseClass$$
             }
 
             private class TreeObserver implements ViewTreeObserver.OnGlobalLayoutListener
-            {
+            {
+                TreeObserver()
+                {
+                    keyboardShown = false;
+                }
+
                 @Override
                 public void onGlobalLayout()
                 {
                     Rect r = new Rect();
+
+                    ViewGroup parentView = (ViewGroup) getParent();
+
+                    if (parentView == null)
+                        return;
 
-                    view.getWindowVisibleDisplayFrame(r);
+                    parentView.getWindowVisibleDisplayFrame (r);
 
-                    int diff = view.getHeight() - (r.bottom - r.top);
+                    int diff = parentView.getHeight() - (r.bottom - r.top);
 
                     // Arbitrary threshold, surely keyboard would take more than 20 pix.
-                    if (diff < 20)
-                        handleKeyboardHidden (view.host);
-                };
+                    if (diff < 20 && keyboardShown)
+                    {
+                        keyboardShown = false;
+                        handleKeyboardHidden (view.host);
+                    }
+
+                    if (! keyboardShown && diff > 20)
+                        keyboardShown = true;
+                };
+
+                private boolean keyboardShown;
             };
 
             private ComponentPeerView view;