refactoring

android-sample/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+	package="com.cesarferreira.pluralize.sample">
+
+	<application
+		android:allowBackup="true"
+		android:icon="@mipmap/ic_launcher"
+		android:label="@string/app_name"
+		android:supportsRtl="true"
+		android:theme="@style/AppTheme">
+		<activity
+			android:name="com.cesarferreira.pluralize.sample.HelloActivity"
+			android:label="@string/title_activity_hello"
+			android:theme="@style/AppTheme.NoActionBar">
+			<intent-filter>
+				<action android:name="android.intent.action.MAIN"/>
+
+				<category android:name="android.intent.category.LAUNCHER"/>
+			</intent-filter>
+		</activity>
+	</application>
+
+</manifest>

android-sample/src/main/java/com/cesarferreira/pluralize/sample/HelloActivity.kt

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+package com.cesarferreira.pluralize.sample
+
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import android.support.v7.widget.Toolbar
+import com.cesarferreira.pluralize.pluralize
+import com.cesarferreira.pluralize.singularize
+import kotlinx.android.synthetic.main.content_hello.*
+
+class HelloActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_hello)
+        val toolbar = findViewById(R.id.toolbar) as Toolbar
+        setSupportActionBar(toolbar)
+
+        val singulars = arrayOf("person", "banana", "woman")
+
+        for (item in singulars) {
+            concat("$item -> pluralize -> ${item.pluralize()}")
+        }
+
+        concat("")
+        concat("")
+
+        val plurals = arrayOf("words", "octopi", "sheep")
+
+        for (item in plurals) {
+            concat("$item -> singularize -> ${item.singularize()}")
+        }
+    }
+
+    fun concat(str: String) {
+        centerTextView.append(str + "\n")
+    }
+
+}

android-sample/src/main/res/layout/activity_hello.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:fitsSystemWindows="true">
+
+	<android.support.design.widget.AppBarLayout
+		android:layout_height="wrap_content"
+		android:layout_width="match_parent"
+		android:theme="@style/AppTheme.AppBarOverlay">
+
+		<android.support.v7.widget.Toolbar
+			android:id="@+id/toolbar"
+			android:layout_width="match_parent"
+			android:layout_height="?attr/actionBarSize"
+			android:background="?attr/colorPrimary"
+			app:popupTheme="@style/AppTheme.PopupOverlay"/>
+
+	</android.support.design.widget.AppBarLayout>
+
+	<include layout="@layout/content_hello"/>
+
+</android.support.design.widget.CoordinatorLayout>

android-sample/src/main/res/layout/content_hello.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:tools="http://schemas.android.com/tools"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	android:id="@+id/content_hello"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:paddingLeft="@dimen/activity_horizontal_margin"
+	android:paddingRight="@dimen/activity_horizontal_margin"
+	android:paddingTop="@dimen/activity_vertical_margin"
+	android:paddingBottom="@dimen/activity_vertical_margin"
+	app:layout_behavior="@string/appbar_scrolling_view_behavior"
+	tools:showIn="@layout/activity_hello">
+
+	<TextView
+		android:id="@+id/centerTextView"
+		android:layout_centerInParent="true"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"/>
+</RelativeLayout>

android-sample/src/main/res/values-v21/styles.xml

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+<resources>
+
+	<style name="AppTheme.NoActionBar">
+		<item name="windowActionBar">false</item>
+		<item name="windowNoTitle">true</item>
+		<item name="android:windowDrawsSystemBarBackgrounds">true</item>
+		<item name="android:statusBarColor">@android:color/transparent</item>
+	</style>
+</resources>

android-sample/src/main/res/values-w820dp/dimens.xml

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+<resources>
+	<!-- Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+	<dimen name="activity_horizontal_margin">64dp</dimen>
+</resources>

android-sample/src/main/res/values/colors.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+	<color name="colorPrimary">#3F51B5</color>
+	<color name="colorPrimaryDark">#303F9F</color>
+	<color name="colorAccent">#FF4081</color>
+</resources>

android-sample/src/main/res/values/dimens.xml

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+<resources>
+	<!-- Default screen margins, per the Android Design guidelines. -->
+	<dimen name="activity_horizontal_margin">16dp</dimen>
+	<dimen name="activity_vertical_margin">16dp</dimen>
+	<dimen name="fab_margin">16dp</dimen>
+</resources>

android-sample/src/main/res/values/strings.xml

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+<resources>
+	<string name="app_name">Pluralize</string>
+	<string name="title_activity_hello">Pluralize</string>
+</resources>

android-sample/src/main/res/values/styles.xml

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+<resources>
+
+	<!-- Base application theme. -->
+	<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+		<!-- Customize your theme here. -->
+		<item name="colorPrimary">@color/colorPrimary</item>
+		<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+		<item name="colorAccent">@color/colorAccent</item>
+	</style>
+
+	<style name="AppTheme.NoActionBar">
+		<item name="windowActionBar">false</item>
+		<item name="windowNoTitle">true</item>
+	</style>
+
+	<style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar"/>
+
+	<style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light"/>
+
+</resources>