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‎.gitignore

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*.iml
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.gradle
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/local.properties
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/.idea/caches
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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/.idea/navEditor.xml
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/.idea/assetWizardSettings.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild
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.cxx
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local.properties
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/.idea/

‎app/.gitignore

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/build

‎app/build.gradle.kts

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plugins {
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id("com.android.library")
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id("org.jetbrains.kotlin.android")
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id("maven-publish")
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}
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android {
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namespace = "ru.chatan.swipebutton"
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compileSdk = 33
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defaultConfig {
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minSdk = 26
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testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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isMinifyEnabled = false
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proguardFiles(
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getDefaultProguardFile("proguard-android-optimize.txt"),
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"proguard-rules.pro"
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)
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_1_8
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targetCompatibility = JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = "1.8"
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}
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buildFeatures {
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viewBinding = true
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}
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}
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afterEvaluate {
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publishing {
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publications {
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create<MavenPublication>("maven") {
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groupId = "ru.chatan.swipebutton"
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artifactId = "swipe-button"
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version = "1.0.0"
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from(components["release"])
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}
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}
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}
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}
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dependencies {
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implementation("androidx.core:core-ktx:1.9.0")
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implementation("androidx.appcompat:appcompat:1.6.1")
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implementation("com.google.android.material:material:1.9.0")
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testImplementation("junit:junit:4.13.2")
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androidTestImplementation("androidx.test.ext:junit:1.1.5")
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androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
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implementation("com.google.guava:guava:27.0.1-android")
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// Shimmer
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implementation("com.facebook.shimmer:shimmer:0.5.0")
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// JitPack
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implementation("com.github.jitpack:gradle-simple:1.0")
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}

‎app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎app/src/androidTest/java/ru/chatan/swipebutton/ExampleInstrumentedTest.kt

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package ru.chatan.swipebutton
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import androidx.test.platform.app.InstrumentationRegistry
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.junit.Assert.*
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("ru.chatan.swipebutton", appContext.packageName)
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}
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}

‎app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest>
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</manifest>

‎app/src/main/java/ru/chatan/swipebutton/SwipeButton.kt

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package ru.chatan.swipebutton
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import android.animation.Animator
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import android.animation.Animator.AnimatorListener
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import android.animation.ObjectAnimator
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import android.annotation.SuppressLint
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import android.content.Context
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import android.content.res.ColorStateList
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import android.content.res.TypedArray
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import android.util.AttributeSet
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import android.util.TypedValue
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import android.view.LayoutInflater
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import android.view.MotionEvent
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import android.view.View
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import android.view.ViewGroup
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import android.view.animation.LinearInterpolator
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import android.widget.RelativeLayout
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import androidx.core.content.ContextCompat
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import androidx.core.content.res.ResourcesCompat
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import ru.chatan.swipebutton.databinding.SwipeButtonLayoutBinding
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@SuppressLint("ClickableViewAccessibility")
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class SwipeButton(context: Context, attrs: AttributeSet): RelativeLayout(context, attrs) {
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private var _binding: SwipeButtonLayoutBinding? = null
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private val binding get() = _binding!!
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private var animation: ObjectAnimator? = null
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private var onSwipeButtonListener: OnSwipeButtonListener? = null
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private var defaultText: String = ""
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init {
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_binding = SwipeButtonLayoutBinding.inflate(LayoutInflater.from(context))
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addView(binding.root)
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setThumbTouchListener()
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binding.shimmerBackground.showShimmer(true)
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applyAttrs(context, attrs)
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}
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private fun applyAttrs(context: Context, attrs: AttributeSet) {
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val typedArray = context.obtainStyledAttributes(
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attrs,
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R.styleable.SwipeButton, 0, 0
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)
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applyTextAttrs(typedArray, context)
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applyDrawableColorAttrs(typedArray, context)
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typedArray.recycle()
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}
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private fun applyDrawableColorAttrs(
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typedArray: TypedArray,
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context: Context
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) {
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val drawable =
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typedArray.getResourceId(R.styleable.SwipeButton_swipeDrawable, R.drawable.swipe_arrow)
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val thumbColor = typedArray.getColor(
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R.styleable.SwipeButton_swipeThumbColor,
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ContextCompat.getColor(context, R.color.light_blue)
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)
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val progressColor = typedArray.getColor(
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R.styleable.SwipeButton_swipeProgressColor,
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ContextCompat.getColor(context, R.color.light_blue)
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)
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binding.thumb.setImageResource(drawable)
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binding.thumb.backgroundTintList = ColorStateList.valueOf(thumbColor)
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binding.backgroundProgress.setBackgroundColor(progressColor)
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}
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private fun applyTextAttrs(
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typedArray: TypedArray,
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context: Context
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) {
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defaultText = typedArray.getString(R.styleable.SwipeButton_swipeText).orEmpty()
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val font =
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typedArray.getResourceId(R.styleable.SwipeButton_swipeFontFamily, R.font.inter_medium)
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val color = typedArray.getColor(
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R.styleable.SwipeButton_swipeTextColor,
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ContextCompat.getColor(context, R.color.light_blue)
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)
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val textSize = typedArray.getDimensionPixelSize(R.styleable.SwipeButton_swipeTextSize, 16)
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binding.textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize.toFloat())
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binding.textView.typeface = ResourcesCompat.getFont(context, font)
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binding.textView.setTextColor(color)
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binding.textView.text = defaultText
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}
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private fun setThumbTouchListener() {
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var offsetX = 0F
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var endX = -1
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var layoutParams: ViewGroup.LayoutParams?
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binding.thumb.setOnTouchListener { view, event ->
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val textStartX = binding.textView.left
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val textEndX = binding.textView.right
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if (endX == -1) endX = binding.shimmerBackground.right
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when (event.action) {
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MotionEvent.ACTION_DOWN -> {
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offsetX = event.rawX - view.x
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animation?.cancel()
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}
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MotionEvent.ACTION_UP -> {
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if (view.x + view.right < endX) {
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animation = ObjectAnimator.ofFloat(view, "translationX", 0f)
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animation?.duration = 200
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animation?.interpolator = LinearInterpolator()
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animation?.addUpdateListener {
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layoutParams = binding.backgroundProgress.layoutParams
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layoutParams?.width = (it.animatedValue as Float + (view.right / 2) + 15).toInt()
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binding.backgroundProgress.layoutParams = layoutParams
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}
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animation?.addListener(object : AnimatorListener {
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override fun onAnimationStart(animation: Animator) {
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}
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override fun onAnimationEnd(animation: Animator) {
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setTextVisibility(1f)
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}
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override fun onAnimationCancel(animation: Animator) {
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}
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override fun onAnimationRepeat(animation: Animator) {
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}
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})
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animation?.start()
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}
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}
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MotionEvent.ACTION_MOVE -> {
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val newX = event.rawX - offsetX
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view.x = newX
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if (view.x + view.right >= endX) {
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view.x = endX.toFloat() - view.right
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binding.thumb.isEnabled = false
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binding.thumb.isClickable = false
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onSwipeButtonListener?.onSwiped()
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}
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if (view.x <= 0) view.x = 0F
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var rawAlpha = (textStartX - (view.x + view.right))
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if (rawAlpha > 100) setTextVisibility(1f)
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else if (rawAlpha in 0.0..100.0) setTextVisibility(rawAlpha / 100)
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else if (view.x + view.right > textStartX && view.x + view.right < textEndX) setTextVisibility(0f)
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else {
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rawAlpha = (view.x + view.left) - textEndX
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if (rawAlpha > 100) setTextVisibility(1f)
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else if (rawAlpha in 0.0..100.0) setTextVisibility(rawAlpha / 100)
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}
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}
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}
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layoutParams = binding.backgroundProgress.layoutParams
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layoutParams?.width = (view.x + (view.right / 2) + 15).toInt()
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binding.backgroundProgress.layoutParams = layoutParams
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true
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}
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}
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private fun setTextVisibility(alpha: Float) {
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binding.textView.alpha = alpha
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}
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/**
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* Set listener for SwipeButton
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*/
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fun setListener(onSwipeButtonListener: OnSwipeButtonListener) {
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this.onSwipeButtonListener = onSwipeButtonListener
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}
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/**
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* Set SwipeButton text
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*/
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fun setText(text: String) {
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binding.textView.text = text
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}
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/**
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* Set SwipeButton default text
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*/
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fun setDefaultText(defaultText: String) {
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this.defaultText = defaultText
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}
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/**
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* Reload SwipeButton, set 'setDefaultText = true' if you want return defaultText
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*/
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fun reload(setDefaultText: Boolean = false) {
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binding.thumb.isEnabled = true
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binding.thumb.isClickable = true
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binding.thumb.x = 0F
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val layoutParams = binding.backgroundProgress.layoutParams
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layoutParams.width = 0
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binding.backgroundProgress.layoutParams = layoutParams
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if (setDefaultText)
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binding.textView.text = defaultText
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}
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interface OnSwipeButtonListener {
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fun onSwiped()
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}
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override fun onViewRemoved(child: View?) {
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super.onViewRemoved(child)
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_binding = null
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onSwipeButtonListener = null
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animation?.cancel()
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animation = null
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}
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}

‎app/src/main/res/drawable/swipe_arrow.xml

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<vector android:autoMirrored="true" android:height="24dp"
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android:tint="#000000" android:viewportHeight="24"
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android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
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<path android:fillColor="@android:color/white" android:pathData="M12,4l-1.41,1.41L16.17,11H4v2h12.17l-5.58,5.59L12,20l8,-8z"/>
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</vector>

‎app/src/main/res/drawable/swipe_button_background.xml

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<?xml version="1.0" encoding="utf-8"?>
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<shape xmlns:android="http://schemas.android.com/apk/res/android">
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<corners android:radius="1000dp"/>
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<solid android:color="#a0dcee"/>
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</shape>

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