diff --git a/README.md b/README.md
index 8b8c764..79f1d34 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ From github latest (may not be stable)
 
 Shrink the WebView when the keyboard comes up.
 
-    Keyboard.shrinkView(true);
+    Keyboard.shrinkView(value, successCallback);
 
 #### Description
 
@@ -57,12 +57,13 @@ Set to true to shrink the WebView when the keyboard comes up. The WebView shrink
 
     Keyboard.shrinkView(true);
     Keyboard.shrinkView(false);
+    Keyboard.shrinkView(null, function (currentValue) { console.log(currentValue); });
 
 ## Keyboard.hideFormAccessoryBar
 
 Hide the keyboard toolbar.
 
-    Keyboard.hideFormAccessoryBar(true);
+    Keyboard.hideFormAccessoryBar(value, successCallback);
 
 #### Description
 
@@ -77,13 +78,13 @@ Set to true to hide the additional toolbar that is on top of the keyboard. This
 
     Keyboard.hideFormAccessoryBar(true);
     Keyboard.hideFormAccessoryBar(false);
-
+    Keyboard.hideFormAccessoryBar(null, function (currentValue) { console.log(currentValue); });
 
 ## Keyboard.disableScrollingInShrinkView
 
 Disable scrolling when the the WebView is shrunk.
 
-    Keyboard.disableScrollingInShrinkView(true);
+    Keyboard.disableScrollingInShrinkView(value, successCallback);
 
 #### Description
 
@@ -98,6 +99,7 @@ Set to true to disable scrolling when the WebView is shrunk.
 
     Keyboard.disableScrollingInShrinkView(true);
     Keyboard.disableScrollingInShrinkView(false);
+    Keyboard.disableScrollingInShrinkView(null, function (currentValue) { console.log(currentValue); });
  
 ## Keyboard.hide
 
diff --git a/src/ios/CDVKeyboard.m b/src/ios/CDVKeyboard.m
index 3041f57..29a9883 100644
--- a/src/ios/CDVKeyboard.m
+++ b/src/ios/CDVKeyboard.m
@@ -221,32 +221,47 @@ - (void)scrollViewDidScroll:(UIScrollView*)scrollView
 
 - (void)shrinkView:(CDVInvokedUrlCommand*)command
 {
-    id value = [command.arguments objectAtIndex:0];
-    if (!([value isKindOfClass:[NSNumber class]])) {
-        value = [NSNumber numberWithBool:NO];
-    }
+    if (command.arguments.count > 0) {
+        id value = [command.arguments objectAtIndex:0];
+        if (!([value isKindOfClass:[NSNumber class]])) {
+            value = [NSNumber numberWithBool:NO];
+        }
 
-    self.shrinkView = [value boolValue];
+        self.shrinkView = [value boolValue];
+    }
+    
+    [self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.shrinkView]
+                                callbackId:command.callbackId];
 }
 
 - (void)disableScrollingInShrinkView:(CDVInvokedUrlCommand*)command
 {
-    id value = [command.arguments objectAtIndex:0];
-    if (!([value isKindOfClass:[NSNumber class]])) {
-        value = [NSNumber numberWithBool:NO];
-    }
+    if (command.arguments.count > 0) {
+        id value = [command.arguments objectAtIndex:0];
+        if (!([value isKindOfClass:[NSNumber class]])) {
+            value = [NSNumber numberWithBool:NO];
+        }
 
-    self.disableScrollingInShrinkView = [value boolValue];
+        self.disableScrollingInShrinkView = [value boolValue];
+    }
+    
+    [self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.disableScrollingInShrinkView]
+                                callbackId:command.callbackId];
 }
 
 - (void)hideFormAccessoryBar:(CDVInvokedUrlCommand*)command
 {
-    id value = [command.arguments objectAtIndex:0];
-    if (!([value isKindOfClass:[NSNumber class]])) {
-        value = [NSNumber numberWithBool:NO];
+    if (command.arguments.count > 0) {
+        id value = [command.arguments objectAtIndex:0];
+        if (!([value isKindOfClass:[NSNumber class]])) {
+            value = [NSNumber numberWithBool:NO];
+        }
+        
+        self.hideFormAccessoryBar = [value boolValue];
     }
-
-    self.hideFormAccessoryBar = [value boolValue];
+    
+    [self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:self.hideFormAccessoryBar]
+                                callbackId:command.callbackId];
 }
 
 - (void)hide:(CDVInvokedUrlCommand*)command
diff --git a/www/keyboard.js b/www/keyboard.js
index 2f3c9f2..e93ef69 100644
--- a/www/keyboard.js
+++ b/www/keyboard.js
@@ -26,16 +26,28 @@ var argscheck = require('cordova/argscheck'),
 var Keyboard = function() {
 };
 
-Keyboard.shrinkView = function(shrink) {
-    exec(null, null, "Keyboard", "shrinkView", [shrink]);
+Keyboard.shrinkView = function(shrink, success) {
+    if (shrink !== null && shrink !== undefined) {
+        exec(success, null, "Keyboard", "shrinkView", [shrink]);
+    } else {
+        exec(success, null, "Keyboard", "shrinkView", []);
+    }
 };
 
-Keyboard.hideFormAccessoryBar = function(hide) {
-    exec(null, null, "Keyboard", "hideFormAccessoryBar", [hide]);
+Keyboard.hideFormAccessoryBar = function(hide, success) {
+    if (hide !== null && hide !== undefined){
+        exec(success, null, "Keyboard", "hideFormAccessoryBar", [hide]);
+    } else {
+        exec(success, null, "Keyboard", "hideFormAccessoryBar", []);
+    }
 };
 
-Keyboard.disableScrollingInShrinkView = function(disable) {
-    exec(null, null, "Keyboard", "disableScrollingInShrinkView", [disable]);
+Keyboard.disableScrollingInShrinkView = function(disable, success) {
+    if (disable !== null && disable !== undefined) {
+        exec(success, null, "Keyboard", "disableScrollingInShrinkView", [disable]);
+    } else {
+        exec(success, null, "Keyboard", "disableScrollingInShrinkView", []);
+    }
 };
 
 Keyboard.fireOnShow = function() {