Include simple Unit Test for all classes in the color picker module.

app/build.gradle

@@ -4,7 +4,7 @@ apply plugin: 'kotlin-android-extensions'
 
 android {
  compileSdkVersion 29
- buildToolsVersion "29.0.3"
+ buildToolsVersion '29.0.3'
 
  defaultConfig {
  applicationId "com.slaviboy.colorpickerkotlinexample"
@@ -22,19 +22,31 @@ android {
  proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
  }
  }
+
+ testOptions {
+ unitTests.includeAndroidResources = true
+ }
 }
 
 dependencies {
  implementation fileTree(dir: "libs", include: ["*.jar"])
  implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
- implementation 'androidx.core:core-ktx:1.2.0'
+ implementation 'androidx.core:core-ktx:1.3.1'
  implementation 'androidx.appcompat:appcompat:1.1.0'
  implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
- androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 
- testImplementation "org.junit.jupiter:junit-jupiter-api:5.3.2"
- testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:5.3.2"
- testImplementation "org.junit.jupiter:junit-jupiter-params:5.3.2"
+ // unit test
+ androidTestImplementation 'com.google.truth:truth:1.0.1'
+ androidTestImplementation 'junit:junit:4.12'
+ androidTestImplementation 'androidx.test:core:1.2.0'
+ androidTestImplementation 'org.mockito:mockito-core:3.4.6'
+ androidTestImplementation 'androidx.test:runner:1.2.0'
+ androidTestImplementation 'androidx.test:rules:1.2.0'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
+
+
+ testImplementation 'junit:junit:4.12'
+ testImplementation 'org.mockito:mockito-core:3.4.6'
 
  implementation project(":colorpicker")
 }

app/src/androidTest/java/com/slaviboy/colorpickerkotlinexample/ExampleInstrumentedTest.kt

@@ -1,24 +1,17 @@
 package com.slaviboy.colorpickerkotlinexample
 
 import androidx.test.platform.app.InstrumentationRegistry
-import androidx.test.runner.AndroidJUnit4
-
+import androidx.test.rule.ActivityTestRule
+import org.junit.Rule
 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:https://d.android.com/tools/testing).
- */
-@RunWith(AndroidJUnit4::class)
 class ExampleInstrumentedTest {
+
+ @get:Rule
+ val activityRule: ActivityTestRule<MainActivity> = ActivityTestRule(MainActivity::class.java)
+
  @Test
- fun useAppContext() {
- // Context of the app under test.
- val appContext = InstrumentationRegistry.getInstrumentation().targetContext
- assertEquals("com.slaviboy.colorpickerkotlinexample", appContext.packageName)
+ fun MainTest() {
+ val context = InstrumentationRegistry.getInstrumentation().targetContext
  }
 }

app/src/main/AndroidManifest.xml

@@ -2,6 +2,9 @@
 <manifest xmlns:android="http:https://schemas.android.com/apk/res/android"
  package="com.slaviboy.colorpickerkotlinexample">
 
+ <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+ <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+
  <application
  android:allowBackup="true"
  android:icon="@mipmap/ic_launcher"

app/src/main/java/com/slaviboy/colorpickerkotlinexample/MainActivity.kt

@@ -1,22 +1,43 @@
 package com.slaviboy.colorpickerkotlinexample
 
+import android.Manifest.permission.WRITE_EXTERNAL_STORAGE
 import android.app.Activity
+import android.content.ContentValues
+import android.content.pm.PackageManager
+import android.graphics.Bitmap
+import android.graphics.Bitmap.CompressFormat
+import android.os.Build
 import android.os.Bundle
+import android.os.Environment
+import android.provider.MediaStore
 import android.util.Log
 import android.view.View
 import android.widget.EditText
 import android.widget.TextView
+import androidx.annotation.RequiresApi
 import androidx.appcompat.app.AppCompatActivity
-import com.slaviboy.colorpicker.Updater
-import com.slaviboy.colorpicker.Updater.OnUpdateListener
-import com.slaviboy.colorpicker.converter.ColorConverter
-import com.slaviboy.colorpicker.window.Base
+import com.slaviboy.colorpicker.components.Base
+import com.slaviboy.colorpicker.main.ColorConverter
+import com.slaviboy.colorpicker.main.Updater
+import com.slaviboy.colorpicker.main.Updater.OnUpdateListener
+import com.slaviboy.colorpicker.module.circular.CircularHS
 import com.slaviboy.colorpickerkotlinexample.pickers.CircularHSV
 import com.slaviboy.colorpickerkotlinexample.pickers.RectangularHSL
 import com.slaviboy.colorpickerkotlinexample.pickers.RectangularHSV
+import java.io.ByteArrayOutputStream
+import java.io.File
+import java.io.FileOutputStream
+import java.sql.Timestamp
+import java.util.*
+
 
 class MainActivity : AppCompatActivity() {
 
+ // get color picker views
+ lateinit var rectangularHSV: RectangularHSV
+ lateinit var rectangularHSL: RectangularHSL
+ lateinit var circularHSV: CircularHSV
+
  lateinit var textViewChangeType: EditText
  lateinit var labelViewChangeType: TextView
  lateinit var updater: Updater
@@ -29,15 +50,20 @@ class MainActivity : AppCompatActivity() {
  initColorPickers()
  }
 
+ /**
+ * Initialize the color picker by getting reference to them and connecting(attaching)
+ * them to a updater that controls the update from onw color window or text view to
+ * all the other view connected to the same updater.
+ */
  private fun initColorPickers() {
 
  // get color picker views
- val rectangularHSV: RectangularHSV = findViewById(R.id.picker1)
- val rectangularHSL: RectangularHSL = findViewById(R.id.picker2)
- val circularHSV: CircularHSV = findViewById(R.id.picker3)
+ rectangularHSV = findViewById(R.id.rectangular_hsv)
+ rectangularHSL = findViewById(R.id.rectangular_hsl)
+ circularHSV = findViewById(R.id.circular_hsv)
 
- // create color convert, that will convert from one color model to another
- colorConverter = ColorConverter("#1f538cb5") //ColorConverter(160, 73, 184, 50)
+ // create color convert, that will convert colors from one color model to another
+ colorConverter = ColorConverter("#1f538cb5")
 
  // create updater object, that will update all color window and text views
  updater = Updater(colorConverter)
@@ -47,8 +73,8 @@ class MainActivity : AppCompatActivity() {
  rectangularHSL.attach(updater)
  circularHSV.attach(updater)
 
- textViewChangeType = circularHSV.findViewById(R.id.rgba_value)
- labelViewChangeType = circularHSV.findViewById(R.id.rgba_label)
+ textViewChangeType = circularHSV.findViewById(R.id.multiple_value)
+ labelViewChangeType = circularHSV.findViewById(R.id.multiple_label)
 
  // attach listener to the updater
  updater.setOnUpdateListener(object : OnUpdateListener {
@@ -100,6 +126,7 @@ class MainActivity : AppCompatActivity() {
  Log.i("color-picker", "$r, $g, $b")
  }
 
+
  /**
  * Enables regular immersive mode.
  * For "lean back" mode, remove SYSTEM_UI_FLAG_IMMERSIVE.
@@ -109,11 +136,10 @@ class MainActivity : AppCompatActivity() {
 
  val decorView = activity.window.decorView
  decorView.systemUiVisibility =
- (View.SYSTEM_UI_FLAG_IMMERSIVE // Set the content to appear under the system bars so that the
- // content doesn't resize when the system bars hide and show.
+ (View.SYSTEM_UI_FLAG_IMMERSIVE
  or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
  or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
- or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN // Hide the nav bar and status bar
+ or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
  or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
  or View.SYSTEM_UI_FLAG_FULLSCREEN)
  }
@@ -129,4 +155,66 @@ class MainActivity : AppCompatActivity() {
  or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
  or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)
  }
+
+ /**
+ * Request the permission from the user to allow witting in the external storage
+ * of the device.
+ */
+ fun requestPermission() {
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+ if (checkSelfPermission(WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) {
+ val permissions = arrayOf(WRITE_EXTERNAL_STORAGE)
+ val permissionRequestCode = 1
+ requestPermissions(permissions, permissionRequestCode)
+ }
+ }
+ }
+
+ /**
+ * Save the bitmap to local storage on the phone with given folder location and file name
+ * @param bitmap bitmap that will be save to the local storage of the phone
+ * @param folderName name of the folder where the file will be located
+ * @param fileName name of the file that will be in PNG file format
+ * @param fileFormat file format of the image 0=png, 1=jpeg
+ * @param imageQuality quality of the image only for Jpeg
+ */
+ fun saveBitmapToLocalStorage(bitmap: Bitmap, folderName: String = "Screenshots", fileName: String = "test", fileFormat: Int = 0, imageQuality: Int = 100) {
+
+ val fileFormatString = arrayListOf("png", "jpg")
+
+ try {
+ val imageFile: File
+ val dir = File(Environment.getExternalStorageDirectory(), folderName)
+ var success = true
+ if (!dir.exists()) {
+ success = dir.mkdirs()
+ }
+ if (success) {
+ val date = Date()
+ imageFile = File(dir.absolutePath + File.separator + Timestamp(date.time).toString() + "$fileName.${fileFormatString[fileFormat]}")
+ imageFile.createNewFile()
+ } else {
+ return
+ }
+
+ val byteArrayOutputStream = ByteArrayOutputStream()
+ if (fileFormat == 0) {
+ bitmap.compress(CompressFormat.PNG, imageQuality, byteArrayOutputStream)
+ } else {
+ bitmap.compress(CompressFormat.JPEG, imageQuality, byteArrayOutputStream)
+ }
+
+ val fileOutputStream = FileOutputStream(imageFile)
+ fileOutputStream.write(byteArrayOutputStream.toByteArray())
+ fileOutputStream.close()
+
+ val values = ContentValues()
+ values.put(MediaStore.Images.Media.MIME_TYPE, "image/${fileFormatString[fileFormat]}")
+ values.put(MediaStore.MediaColumns.DATA, imageFile.absolutePath)
+
+ } catch (e: java.lang.Exception) {
+ e.printStackTrace()
+ }
+ }
+
 }

app/src/main/java/com/slaviboy/colorpickerkotlinexample/pickers/CircularHSV.kt

@@ -2,10 +2,11 @@ package com.slaviboy.colorpickerkotlinexample.pickers
 
 import android.content.Context
 import android.util.AttributeSet
-import com.slaviboy.colorpicker.pickers.ColorPicker
+import com.slaviboy.colorpicker.main.ColorPicker
 import com.slaviboy.colorpickerkotlinexample.R
 
 class CircularHSV : ColorPicker {
+
  constructor(context: Context) : super(context) {
  init(context)
  }

app/src/main/java/com/slaviboy/colorpickerkotlinexample/pickers/RectangularHSL.kt

@@ -2,7 +2,7 @@ package com.slaviboy.colorpickerkotlinexample.pickers
 
 import android.content.Context
 import android.util.AttributeSet
-import com.slaviboy.colorpicker.pickers.ColorPicker
+import com.slaviboy.colorpicker.main.ColorPicker
 import com.slaviboy.colorpickerkotlinexample.R
 
 class RectangularHSL : ColorPicker {
@@ -15,11 +15,7 @@ class RectangularHSL : ColorPicker {
  init(context)
  }
 
- constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(
- context,
- attrs,
- defStyleAttr
- ) {
+ constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr) {
  init(context)
  }
 

app/src/main/java/com/slaviboy/colorpickerkotlinexample/pickers/RectangularHSV.kt

@@ -2,11 +2,11 @@ package com.slaviboy.colorpickerkotlinexample.pickers
 
 import android.content.Context
 import android.util.AttributeSet
-import com.slaviboy.colorpicker.pickers.ColorPicker
+import com.slaviboy.colorpicker.main.ColorPicker
 import com.slaviboy.colorpickerkotlinexample.R
 
-
 class RectangularHSV : ColorPicker {
+
  constructor(context: Context) : super(context) {
  init(context)
  }