From 7df4a7593211d7683bb28e38ef6130119c7a5775 Mon Sep 17 00:00:00 2001
From: LionZXY <nikita@kulikof.ru>
Date: Wed, 19 Jul 2017 13:11:14 +0300
Subject: [PATCH] Revert Android Studio refactor

---
 KeyboardUtils.java | 42 +++++++++++++++++++++++++-----------------
 1 file changed, 25 insertions(+), 17 deletions(-)

diff --git a/KeyboardUtils.java b/KeyboardUtils.java
index ebf7d7d..33b94aa 100644
--- a/KeyboardUtils.java
+++ b/KeyboardUtils.java
@@ -13,7 +13,8 @@
  * Based on the following Stackoverflow answer:
  * http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android
  */
-public class KeyboardUtils implements ViewTreeObserver.OnGlobalLayoutListener {
+public class KeyboardUtils implements ViewTreeObserver.OnGlobalLayoutListener
+{
     private final static int MAGIC_NUMBER = 200;
 
     private SoftKeyboardToggleListener mCallback;
@@ -22,18 +23,20 @@ public class KeyboardUtils implements ViewTreeObserver.OnGlobalLayoutListener {
     private float mScreenDensity = 1;
     private static HashMap<SoftKeyboardToggleListener, KeyboardUtils> sListenerMap = new HashMap<>();
 
-    public interface SoftKeyboardToggleListener {
+    public interface SoftKeyboardToggleListener
+    {
         void onToggleSoftKeyboard(boolean isVisible);
     }
 
 
     @Override
-    public void onGlobalLayout() {
+    public void onGlobalLayout()
+    {
         Rect r = new Rect();
         mRootView.getWindowVisibleDisplayFrame(r);
 
         int heightDiff = mRootView.getRootView().getHeight() - (r.bottom - r.top);
-        float dp = heightDiff / mScreenDensity;
+        float dp = heightDiff/ mScreenDensity;
         boolean isVisible = dp > MAGIC_NUMBER;
 
         if (mCallback != null && (prevValue == null || isVisible != prevValue)) {
@@ -43,14 +46,17 @@ public void onGlobalLayout() {
     }
 
 
-    public static void addKeyboardToggleListener(Activity act, SoftKeyboardToggleListener listener) {
+    public static void addKeyboardToggleListener(Activity act, SoftKeyboardToggleListener listener)
+    {
         removeKeyboardToggleListener(listener);
 
         sListenerMap.put(listener, new KeyboardUtils(act, listener));
     }
 
-    public static void removeKeyboardToggleListener(SoftKeyboardToggleListener listener) {
-        if (sListenerMap.containsKey(listener)) {
+    public static void removeKeyboardToggleListener(SoftKeyboardToggleListener listener)
+    {
+        if(sListenerMap.containsKey(listener))
+        {
             KeyboardUtils k = sListenerMap.get(listener);
             k.removeListener();
 
@@ -58,37 +64,39 @@ public static void removeKeyboardToggleListener(SoftKeyboardToggleListener liste
         }
     }
 
-    public static void removeAllKeyboardToggleListeners() {
-        for (SoftKeyboardToggleListener l : sListenerMap.keySet())
+    public static void removeAllKeyboardToggleListeners()
+    {
+        for(SoftKeyboardToggleListener l : sListenerMap.keySet())
             sListenerMap.get(l).removeListener();
 
         sListenerMap.clear();
     }
 
-    public static void toggleKeyboardVisibility(Context context) {
+    public static void toggleKeyboardVisibility(Context context)
+    {
         InputMethodManager inputMethodManager = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
         inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
     }
 
     /**
      * Closes the keyboard
-     *
      * @param activeView the view with the keyboard focus
      */
-    public static void forceCloseKeyboard(View activeView) {
+    public static void forceCloseKeyboard(View activeView)
+    {
         InputMethodManager inputMethodManager = (InputMethodManager) activeView.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
         inputMethodManager.hideSoftInputFromWindow(activeView.getWindowToken(), 0);
     }
 
-    private void removeListener() {
+    private void removeListener()
+    {
         mCallback = null;
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
-            mRootView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
-        }
+        mRootView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
     }
 
-    private KeyboardUtils(Activity act, SoftKeyboardToggleListener listener) {
+    private KeyboardUtils(Activity act, SoftKeyboardToggleListener listener)
+    {
         mCallback = listener;
 
         mRootView = ((ViewGroup) act.findViewById(android.R.id.content)).getChildAt(0);