Merge pull request #234 from infinitered/hide_keyboard

`rmq.app.hide_keyboard` to close #233

app/controllers/main_controller.rb

@@ -1,4 +1,11 @@
 class MainController < UIViewController
+  attr_accessor :keyboard_visible
+  
+  def viewWillAppear(animated)
+    # Adding these for tests
+    NSNotificationCenter.defaultCenter.addObserver(self, selector:'handleKeyboardDidShow:', name:UIKeyboardDidShowNotification, object:nil)
+    NSNotificationCenter.defaultCenter.addObserver(self, selector:'handleKeyboardWillHide:', name:UIKeyboardWillHideNotification, object:nil)
+  end
 
   def viewDidLoad
     super
@@ -172,4 +179,12 @@ class MainController < UIViewController
     sender.resignFirstResponder
     true
   end
+
+  def handleKeyboardDidShow(notification)
+    @keyboard_visible = true
+  end
+
+  def handleKeyboardWillHide(notification)
+    @keyboard_visible = false
+  end
 end

motion/ruby_motion_query/app.rb

@@ -32,6 +32,20 @@ module RubyMotionQuery
         UIApplication.sharedApplication.delegate
       end
 
+      # @return [UIApplication]
+      def get
+        UIApplication.sharedApplication
+      end
+
+      # Returns boolean of success of hiding
+      # Tested in the example app!
+      # @return [Boolean]
+      def hide_keyboard
+        self.get.sendAction(:resignFirstResponder, to:nil, from:nil, forEvent:nil)
+      end
+      alias :resign_responders :hide_keyboard
+      alias :end_editing :hide_keyboard
+
       # @return [Symbol] Environment the app is running it
       def environment
         @_environment ||= RUBYMOTION_ENV.to_sym

spec/controllers/main_controller.rb

@@ -0,0 +1,37 @@
+describe "MainController" do
+  tests MainController
+
+  DELAY = 0.2
+
+  it 'starts with no keyboard shown' do 
+    controller.keyboard_visible.nil?.should == true
+    controller.rmq.app.hide_keyboard.should == false
+  end
+
+  it 'can hide the keyboard with rmq.app.hide_keyboard' do
+    UIView.setAnimationsEnabled false
+
+    # force keyboard to show
+    controller.rmq(:only_digits).get.becomeFirstResponder
+    wait DELAY do
+      controller.keyboard_visible.should == true
+    end
+
+    # hide keyboard (have to wait for first delay to finish)
+    wait DELAY * 2 do 
+      controller.rmq.app.hide_keyboard.should == true
+      wait DELAY do 
+        controller.keyboard_visible.should == false
+      end
+    end
+  end
+
+
+
+  it 'has aliases for rmq.app.hide_keyboard' do
+    rmq.app.respond_to?(:resign_responders).should == true
+    rmq.app.respond_to?(:end_editing).should == true
+    controller.rmq.app.resign_responders.should == false
+    controller.rmq.app.end_editing.should == false
+  end
+end