diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..603b140 --- /dev/null +++ b/.gitignore @@ -0,0 +1,14 @@ +*.iml +.gradle +/local.properties +/.idea/caches +/.idea/libraries +/.idea/modules.xml +/.idea/workspace.xml +/.idea/navEditor.xml +/.idea/assetWizardSettings.xml +.DS_Store +/build +/captures +.externalNativeBuild +.cxx diff --git a/.idea/.name b/.idea/.name new file mode 100644 index 0000000..080fe0e --- /dev/null +++ b/.idea/.name @@ -0,0 +1 @@ +CommandPatternExample \ No newline at end of file diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml new file mode 100644 index 0000000..88ea3aa --- /dev/null +++ b/.idea/codeStyles/Project.xml @@ -0,0 +1,122 @@ + + + + + + + + + +
+ + + + xmlns:android + + ^$ + + + +
+
+ + + + xmlns:.* + + ^$ + + + BY_NAME + +
+
+ + + + .*:id + + http://schemas.android.com/apk/res/android + + + +
+
+ + + + .*:name + + http://schemas.android.com/apk/res/android + + + +
+
+ + + + name + + ^$ + + + +
+
+ + + + style + + ^$ + + + +
+
+ + + + .* + + ^$ + + + BY_NAME + +
+
+ + + + .* + + http://schemas.android.com/apk/res/android + + + ANDROID_ATTRIBUTE_ORDER + +
+
+ + + + .* + + .* + + + BY_NAME + +
+ + + + + + + \ No newline at end of file diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml new file mode 100644 index 0000000..79ee123 --- /dev/null +++ b/.idea/codeStyles/codeStyleConfig.xml @@ -0,0 +1,5 @@ + + + + \ No newline at end of file diff --git a/.idea/gradle.xml b/.idea/gradle.xml new file mode 100644 index 0000000..ac6b0ae --- /dev/null +++ b/.idea/gradle.xml @@ -0,0 +1,21 @@ + + + + + + + \ No newline at end of file diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml new file mode 100644 index 0000000..a5f05cd --- /dev/null +++ b/.idea/jarRepositories.xml @@ -0,0 +1,25 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml new file mode 100644 index 0000000..0dd4b35 --- /dev/null +++ b/.idea/kotlinc.xml @@ -0,0 +1,6 @@ + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..37a7509 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,9 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml new file mode 100644 index 0000000..7f68460 --- /dev/null +++ b/.idea/runConfigurations.xml @@ -0,0 +1,12 @@ + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..35eb1dd --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/app/.gitignore b/app/.gitignore new file mode 100644 index 0000000..42afabf --- /dev/null +++ b/app/.gitignore @@ -0,0 +1 @@ +/build \ No newline at end of file diff --git a/app/build.gradle b/app/build.gradle new file mode 100644 index 0000000..9294cee --- /dev/null +++ b/app/build.gradle @@ -0,0 +1,41 @@ +apply plugin: 'com.android.application' +apply plugin: 'kotlin-android' +apply plugin: 'kotlin-android-extensions' + +android { + compileSdkVersion 29 + buildToolsVersion "29.0.3" + + defaultConfig { + applicationId "com.example.commandpatternexample" + minSdkVersion 16 + targetSdkVersion 29 + versionCode 1 + versionName "1.0" + + testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" + } + + dataBinding{ enabled = true } + + buildTypes { + release { + minifyEnabled false + proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' + } + } +} + +dependencies { + implementation fileTree(dir: "libs", include: ["*.jar"]) + implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version" + implementation 'androidx.core:core-ktx:1.3.0' + implementation 'androidx.appcompat:appcompat:1.1.0' + implementation 'androidx.constraintlayout:constraintlayout:1.1.3' + testImplementation 'junit:junit:4.12' + androidTestImplementation 'androidx.test.ext:junit:1.1.1' + androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0' + implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.1.1' + + +} \ No newline at end of file diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro new file mode 100644 index 0000000..481bb43 --- /dev/null +++ b/app/proguard-rules.pro @@ -0,0 +1,21 @@ +# Add project specific ProGuard rules here. +# You can control the set of applied configuration files using the +# proguardFiles setting in build.gradle. +# +# For more details, see +# http://developer.android.com/guide/developing/tools/proguard.html + +# If your project uses WebView with JS, uncomment the following +# and specify the fully qualified class name to the JavaScript interface +# class: +#-keepclassmembers class fqcn.of.javascript.interface.for.webview { +# public *; +#} + +# Uncomment this to preserve the line number information for +# debugging stack traces. +#-keepattributes SourceFile,LineNumberTable + +# If you keep the line number information, uncomment this to +# hide the original source file name. +#-renamesourcefileattribute SourceFile \ No newline at end of file diff --git a/app/src/androidTest/java/com/example/commandpatternexample/ExampleInstrumentedTest.kt b/app/src/androidTest/java/com/example/commandpatternexample/ExampleInstrumentedTest.kt new file mode 100644 index 0000000..11fb2c6 --- /dev/null +++ b/app/src/androidTest/java/com/example/commandpatternexample/ExampleInstrumentedTest.kt @@ -0,0 +1,24 @@ +package com.example.commandpatternexample + +import androidx.test.platform.app.InstrumentationRegistry +import androidx.test.ext.junit.runners.AndroidJUnit4 + +import org.junit.Test +import org.junit.runner.RunWith + +import org.junit.Assert.* + +/** + * Instrumented test, which will execute on an Android device. + * + * See [testing documentation](http://d.android.com/tools/testing). + */ +@RunWith(AndroidJUnit4::class) +class ExampleInstrumentedTest { + @Test + fun useAppContext() { + // Context of the app under test. + val appContext = InstrumentationRegistry.getInstrumentation().targetContext + assertEquals("com.example.commandpatternexample", appContext.packageName) + } +} \ No newline at end of file diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..bc80a78 --- /dev/null +++ b/app/src/main/AndroidManifest.xml @@ -0,0 +1,21 @@ + + + + + + + + + + + + + + \ No newline at end of file diff --git a/app/src/main/java/com/example/commandpatternexample/MainActivity.kt b/app/src/main/java/com/example/commandpatternexample/MainActivity.kt new file mode 100644 index 0000000..d193ad9 --- /dev/null +++ b/app/src/main/java/com/example/commandpatternexample/MainActivity.kt @@ -0,0 +1,114 @@ +package com.example.commandpatternexample + +import androidx.appcompat.app.AppCompatActivity +import android.os.Bundle +import android.view.View +import android.widget.Toast +import androidx.databinding.DataBindingUtil +import com.example.commandpatternexample.databinding.ActivityMainBinding +import kotlinx.coroutines.* + +/* 템플릿 메소드 패턴 +* +* 1. 상속을 통해 기능을 확장해서 사용 +* 2. 변하지 않는 부분은 슈퍼클래스에 두고 변하는 부분은 추상 메소드로 정의해둬서 서브클래스에서 오버라이드하여 새롭게 정의해서 사용한다. +* +* */ +abstract class Command { + abstract fun execute(operation: BasicOperation) + fun stop(){ + job.cancel() + } +} + +class ControlNumCommand : Command() { + override fun execute(operation: BasicOperation) { + job = CoroutineScope(Dispatchers.IO).launch { + repeat(Int.MAX_VALUE) { + if(job.isCancelled) return@repeat + var num = binding.textViewNumber.text.toString().toDouble() + num = operation.apply(num) + delay(1000L) + withContext(Dispatchers.Main) { + binding.textViewNumber.text = num.toString() + } + } + } + } +} + + +lateinit var binding: ActivityMainBinding +lateinit var job: Job + +class MainActivity : AppCompatActivity(), View.OnClickListener { + + var currentOperationType = BasicOperation.PLUS + + override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + binding = DataBindingUtil.setContentView(this, R.layout.activity_main) + + initializeButton() + } + + private fun initializeButton() { + binding.buttonStart.setOnClickListener(this) + binding.buttonStop.setOnClickListener(this) + binding.buttonPlus.setOnClickListener(this) + binding.buttonMinus.setOnClickListener(this) + binding.buttonTimes.setOnClickListener(this) + binding.buttonDiv.setOnClickListener(this) + + } + + private fun showNotice() { + Toast.makeText(this, "실행 중입니다. 정지하고 다시 시도하세요.", Toast.LENGTH_LONG).show() + } + + override fun onClick(v: View?) { + val controlNumCommand: ControlNumCommand = ControlNumCommand() + + when (v?.id) { + R.id.buttonStart -> { + controlNumCommand.execute(currentOperationType) + } + + R.id.buttonStop -> { + controlNumCommand.stop() + } + + R.id.buttonPlus -> { + if (job.isActive) { + showNotice() + return + } + currentOperationType = BasicOperation.PLUS + } + + R.id.buttonMinus -> { + if (job.isActive) { + showNotice() + return + } + currentOperationType = BasicOperation.MINUS + } + + R.id.buttonTimes -> { + if (job.isActive) { + showNotice() + return + } + currentOperationType = BasicOperation.TIMES + } + + R.id.buttonDiv -> { + if (job.isActive) { + showNotice() + return + } + currentOperationType = BasicOperation.DIVIDE + } + } + } +} \ No newline at end of file diff --git a/app/src/main/java/com/example/commandpatternexample/Operation.kt b/app/src/main/java/com/example/commandpatternexample/Operation.kt new file mode 100644 index 0000000..8620cca --- /dev/null +++ b/app/src/main/java/com/example/commandpatternexample/Operation.kt @@ -0,0 +1,39 @@ +package com.example.commandpatternexample + +/* 전략패턴 +* 1. 오브젝트를 분리하고, 클래스 레벨에서는 인터페이스를 통해서만 의존하도록 만든다. +* 2. 확장에 해당하는 변하는 부분을 별도의 클래스로 만들어 추상화된 인터페이스를 통해 위임하는 방식이다. +* */ + +private interface Operation { + fun apply(x: Double): Double +} + + +enum class BasicOperation(private val symbol: String) : Operation { + PLUS("+") { + override fun apply(x: Double): Double { + return x + 1 + } + }, + MINUS("-") { + override fun apply(x: Double): Double { + return x - 1 + } + }, + TIMES("*") { + override fun apply(x: Double): Double { + return x * 2 + } + }, + DIVIDE("/") { + override fun apply(x: Double): Double { + return x / 2 + } + }; + + override fun toString(): String { + return symbol + } + +} \ No newline at end of file diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml new file mode 100644 index 0000000..2b068d1 --- /dev/null +++ b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml new file mode 100644 index 0000000..07d5da9 --- /dev/null +++ b/app/src/main/res/drawable/ic_launcher_background.xml @@ -0,0 +1,170 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml new file mode 100644 index 0000000..0073eea --- /dev/null +++ b/app/src/main/res/layout/activity_main.xml @@ -0,0 +1,81 @@ + + + + + + + + + +