diff --git a/src/android/CDVIonicKeyboard.java b/src/android/CDVIonicKeyboard.java
index b7ec455..5cbc6aa 100644
--- a/src/android/CDVIonicKeyboard.java
+++ b/src/android/CDVIonicKeyboard.java
@@ -15,6 +15,7 @@
 import android.view.View;
 import android.view.ViewTreeObserver;
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
+import android.view.Window;
 import android.view.inputmethod.InputMethodManager;
 
 // import additionally required classes for calculating screen height
@@ -125,13 +126,7 @@ else if ( pixelHeightDiff != previousHeightDiff && ( previousHeightDiff - pixelH
                         private void possiblyResizeChildOfContent() {
                             int usableHeightNow = computeUsableHeight();
                             if (usableHeightNow != usableHeightPrevious) {
-                                int usableHeightSansKeyboard = mChildOfContent.getRootView().getHeight();
-                                int heightDifference = usableHeightSansKeyboard - usableHeightNow;
-                                if (heightDifference > (usableHeightSansKeyboard/4)) {
-                                    frameLayoutParams.height = usableHeightSansKeyboard - heightDifference;
-                                } else {
-                                    frameLayoutParams.height = usableHeightSansKeyboard;
-                                }
+                                frameLayoutParams.height = usableHeightNow;
                                 mChildOfContent.requestLayout();
                                 usableHeightPrevious = usableHeightNow;
                             }
@@ -140,7 +135,28 @@ private void possiblyResizeChildOfContent() {
                         private int computeUsableHeight() {
                             Rect r = new Rect();
                             mChildOfContent.getWindowVisibleDisplayFrame(r);
-                            return (r.bottom - r.top);
+
+                            /*
+                              Child content getWindowVisibleDisplayFrame return the area which the user can view the content.
+                              The top position is below the status bar. The bottom position is above the navigation bar, keyboard 
+                              and other UI element from the bottom.
+
+                              If app is in full screen mode, then the actual usable height is the distance from the top of the
+                              screen to the bottom of the Rect.
+
+                              SO:
+                              If app is in full screen, return the bottom position of the rect.
+
+                              If app is not in full screen, then should use the height of the visible area
+                             */
+                            return isFullScreen() ? r.bottom : r.height();
+                        }
+
+                        private boolean isFullScreen() {
+                            final Window window = cordova.getActivity().getWindow();
+                            // Flag set by status bar plugin to make content full screen
+                            int fullScreenFlag = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
+                            return (window.getDecorView().getSystemUiVisibility() & fullScreenFlag) == fullScreenFlag;
                         }
                     };