Fixing overlap issue on Android when footer is shown (previous method of using margin did not work on all devices).

Author: hvaughan3

src/android/InAppBrowser.java

@@ -28,14 +28,17 @@ Licensed to the Apache Software Foundation (ASF) under one
 import android.graphics.PorterDuff;
 import android.graphics.PorterDuffColorFilter;
 import android.graphics.Color;
+import android.graphics.Point;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.text.InputType;
 import android.util.TypedValue;
+import android.view.Display;
 import android.view.Gravity;
 import android.view.KeyEvent;
 import android.view.View;
+import android.view.ViewGroup;
 import android.view.Window;
 import android.view.WindowManager;
 import android.view.WindowManager.LayoutParams;
@@ -648,6 +651,27 @@ private int dpToPixels(int dipValue) {
                 return value;
             }
 
+            private int getDisplayContentHeight() {
+                final WindowManager windowManager = cordova.getActivity().getWindowManager();
+                final Point size = new Point();
+                int screenHeight = 0, actionBarHeight = 0;
+
+                if (cordova.getActivity().getActionBar() != null) {
+                    actionBarHeight = cordova.getActivity().getActionBar().getHeight();
+                }
+
+                int contentTop = ((ViewGroup) cordova.getActivity().findViewById(android.R.id.content)).getTop();
+
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+                    windowManager.getDefaultDisplay().getSize(size);
+                    screenHeight = size.y;
+                } else {
+                    Display d = windowManager.getDefaultDisplay();
+                    screenHeight = d.getHeight();
+                }
+                return screenHeight - contentTop - actionBarHeight;
+            }
+
             private View createCloseButton(int id){
                 View _close;
                 Resources activityRes = cordova.getActivity().getResources();
@@ -716,6 +740,9 @@ public void run() {
 
                 // Toolbar layout
                 RelativeLayout toolbar = new RelativeLayout(cordova.getActivity());
+
+                boolean showToolbar = getShowLocationBar();
+
                 //Please, no more black!
                 toolbar.setBackgroundColor(toolbarColor);
                 toolbar.setLayoutParams(new RelativeLayout.LayoutParams(LayoutParams.MATCH_PARENT, this.dpToPixels(44)));
@@ -832,16 +859,31 @@ public boolean onKey(View v, int keyCode, KeyEvent event) {
                 View footerClose = createCloseButton(7);
                 footer.addView(footerClose);
 
+                // Display display = cordova.getActivity().getWindowManager().getDefaultDisplay();
+                // Point size = new Point();
+                // display.getSize(size);
+                // // int width = size.x;
+                // int height = size.y;
+
+                int webViewHeight = getDisplayContentHeight();
+
+                if (showToolbar) {
+                  webViewHeight = webViewHeight - this.dpToPixels(44);
+                }
+
+                if (showFooter) {
+                  webViewHeight = webViewHeight - footerSize;
+                }
 
                 // WebView
                 inAppWebView = new WebView(cordova.getActivity());
                 // inAppWebView.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
 
-                LinearLayout.LayoutParams webViewLayoutParams = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
+                LinearLayout.LayoutParams webViewLayoutParams = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, webViewHeight);
 
-                if (showFooter) {
-                  webViewLayoutParams.setMargins(0, 0, 0, footerSize); // Adding margin the same size as the footer
-                }
+                // if (showFooter) {
+                //   webViewLayoutParams.setMargins(0, 0, 0, footerSize + this.dpToPixels(16)); // Adding margin the same size as the footer plus footer padding
+                // }
 
                 inAppWebView.setLayoutParams(webViewLayoutParams);
                 inAppWebView.setId(Integer.valueOf(6));
@@ -947,7 +989,7 @@ public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType)
                 if (!hideUrlBar) toolbar.addView(edittext);
 
                 // Don't add the toolbar if its been disabled
-                if (getShowLocationBar()) {
+                if (showToolbar) {
                     // Add our toolbar to our main view/layout
                     main.addView(toolbar);
                 }
@@ -1268,4 +1310,4 @@ public void onReceivedHttpAuthRequest(WebView view, HttpAuthHandler handler, Str
             super.onReceivedHttpAuthRequest(view, handler, host, realm);
         }
     }
-}
+}