Ruby motion勉強会 2012年7月

RubyMotionを使い倒せ
2012年7月20日
Ruby Business Commons
Eihiro Saishu

RubyMotionは、iOSのための革新的な製品です。

RubyMotionを使えば、iPhoneやiPad向けのネイティブアプリを
素早く開発・テストすることができます。
使うのはみんなが知っていて大好きな

素晴らしいRuby言語だけ。

Ruby Rspec

Simulator

Native
xcode
App

iPhone
icon iOS SDK iPad
image Framework
sound Library
etc. etc.

Objective C to RubyMotion

[string drawAtPoint:point withFont:font];
string.drawAtPoint(point, withFont:font)

1. UIAlertView object作成
2. メッセージ設定
3. 表示

Although you can use new to
instantiate an Objective-C
class, I strongly recommend
you use alloc.init or related
constructors deﬁned by the
class.

時間をセットして
カウントダウン
ゼロになると音楽がなる

UIPickerView
"Timer Setting"

時間設定時間設定
UILabel
終わったら
"Count Down
Label" 音楽

カウントダウンカウントダウン

Start Stop

UIButton
"Start Button"

describe "Application 'MyFirst'" do
before do
@app = UIApplication.sharedApplication
end
まずこいつ
it "has one window" do
@app.windows.size.should == 1
end
end

@window = UIWindow.alloc.initWithFrame(UIScreen.mainScreen.bounds)
@window.rootViewController = MyFirstViewController.alloc.init
@window.rootViewController.wantsFullScreenLayout = true
@window.makeKeyAndVisible

class MyFirstViewController < UIViewController
end

describe "Timer Main Window" do

tests MyFirstViewController

it "has one pickerview" do
views(UIPickerView).size.should == 1
end

it "has Label" do
views(UILabel).size.should >= 1
view("Count Down Label").text.should == "Set the Time"
end

it "has one button" do
views(UIButton).size.should == 1
end

it "can be time up" do
tap("Start Button")
view("Count Down Label").text.should == "Time Up"
end
end

def viewDidLoad
@state = UILabel.alloc.init
@state.accessibilityLabel = "Count Down Label"
@state.font = UIFont.systemFontOfSize(30)
@state.text = 'Set the Time'
@state.textAlignment = UITextAlignmentCenter
@state.textColor = UIColor.whiteColor
@state.backgroundColor = UIColor.clearColor
@state.frame = [[20, 250], [view.frame.size.width - 20 * 2, 40]]
view.addSubview(@state)
end

@time = 0

@button = UIButton.buttonWithType(UIButtonTypeRoundedRect)
@button.accessibilityLabel = "Start Button"
@button.frame = [[40, 310], [view.frame.size.width - 40 * 2, 60]]
@button.setTitle("Start", forState:UIControlStateNormal)
@button.addTarget(self,
action:"onButton",
forControlEvents:UIControlEventTouchDown)
view.addSubview(@button)

url =
NSURL.ﬁleURLWithPath(NSBundle.mainBundle.pathForResource("181", ofType:
"mp3"))
er = Pointer.new(:object)
@player = AVAudioPlayer.alloc.initWithContentsOfURL(url, error: er)

def onButton
if @timer
@timer.invalidate
@timer = nil
else
@timer = NSTimer.scheduledTimerWithTimeInterval(0.1, target:self,
selector:'timerFired', userInfo:nil, repeats:true)
end
end

def timerFired
@state.text = "%.1f" % (@time -= 0.1)
timeExpired if @time <= 0
end

def timeExpired
@state.text = "Time Up"
@timer.invalidate
@timer = nil
@player.play
end

# -*- coding: utf-8 -*-
$:.unshift("/Library/RubyMotion/lib")
require 'motion/project'

Motion::Project::App.setup do |app|
# Use `rake conﬁg' to see complete project settings.
app.name = 'MyFirst'
app.frameworks += ['AVFoundation', 'AudioToolbox']
end

numberOfComponents
numberOfRows 選択したData
Data

data source delegate

@picker = UIPickerView.alloc.init
@picker.frame = [[20, 20], [view.frame.size.width - 20 * 2, 162]]
@picker.accessibilityLabel = "Timer Setting"
@picker.showsSelectionIndicator = true
@picker.delegate = self
@picker.dataSource = self
view.addSubview(@picker)

# data source for picker view
def numberOfComponentsInPickerView(pickerView)
1
end

def pickerView(pickerView, numberOfRowsInComponent:component)
10
end

def pickerView(pickerView, titleForRow:row,
forComponent:component)
"#{row+1} seconds"
end

# delegate for picker view
def pickerView(pickerView, didSelectRow:row, inComponent:component)
@time = row + 1
@state.text = @time.to_s
end

Ruby motion勉強会 2012年7月

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Ruby motion勉強会 2012年7月