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Add small improvements #24

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4 changes: 4 additions & 0 deletions gradle.properties
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Original file line number Diff line number Diff line change
Expand Up @@ -15,3 +15,7 @@ org.gradle.jvmargs=-Xmx1536m
# This option should only be used with decoupled projects. More details, visit
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
# org.gradle.parallel=true

android.useAndroidX=true
android.enableJetifier=true

10 changes: 10 additions & 0 deletions rollingtextview/build.gradle
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Expand Up @@ -28,10 +28,20 @@ android {
}
}
}

compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}

kotlinOptions {
jvmTarget = JavaVersion.VERSION_1_8.toString()
}
}

dependencies {
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation "androidx.core:core-ktx:1.3.1"
}

repositories {
Expand Down
322 changes: 142 additions & 180 deletions rollingtextview/src/main/java/com/yy/mobile/rollingtextview/RollingTextView.kt
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Expand Up @@ -5,10 +5,8 @@ package com.yy.mobile.rollingtextview
import android.animation.Animator
import android.animation.AnimatorListenerAdapter
import android.animation.ValueAnimator
import android.annotation.TargetApi
import android.content.Context
import android.content.res.Resources
import android.content.res.TypedArray
import android.graphics.Canvas
import android.graphics.Color
import android.graphics.Paint
Expand All @@ -22,6 +20,8 @@ import android.view.Gravity
import android.view.View
import android.view.animation.Interpolator
import android.view.animation.LinearInterpolator
import androidx.annotation.RequiresApi
import androidx.core.content.withStyledAttributes
import com.yy.mobile.rollingtextview.strategy.CharOrderStrategy
import com.yy.mobile.rollingtextview.strategy.Strategy

Expand All @@ -30,8 +30,22 @@ import com.yy.mobile.rollingtextview.strategy.Strategy
* E-mail: [email protected]
* YY: 909017428
*/
@RequiresApi(Build.VERSION_CODES.LOLLIPOP)
@Suppress("MemberVisibilityCanBePrivate")
open class RollingTextView : View {
open class RollingTextView @JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
defStyleAttr: Int = 0, // Specify specific default attribute here
defStyleRes: Int = 0 // Specify specific default style here
) : View(context, attrs, defStyleAttr, defStyleRes) {

object CharOrder {
const val Number = "0123456789"
const val Hex = "0123456789ABCDEF"
const val Binary = "01"
const val Alphabet = "abcdefghijklmnopqrstuvwxyz"
const val UpperAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
}

private var lastMeasuredDesiredWidth: Int = 0
private var lastMeasuredDesiredHeight: Int = 0
Expand All @@ -48,183 +62,14 @@ open class RollingTextView : View {

private var targetText: CharSequence = ""

constructor(context: Context) : super(context) {
init(context, null, 0, 0)
}

constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
init(context, attrs, 0, 0)
}

constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int)
: super(context, attrs, defStyleAttr) {
init(context, attrs, defStyleAttr, 0)
}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int, defStyleRes: Int)
: super(context, attrs, defStyleAttr, defStyleRes) {
init(context, attrs, defStyleAttr, defStyleRes)
}

private fun init(context: Context, attrs: AttributeSet?, defStyleAttr: Int, defStyleRes: Int) {

var shadowColor = 0
var shadowDx = 0f
var shadowDy = 0f
var shadowRadius = 0f
var text = ""
var textSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
12f, context.resources.displayMetrics)

fun applyTypedArray(arr: TypedArray) {
gravity = arr.getInt(R.styleable.RollingTextView_android_gravity, gravity)
shadowColor = arr.getColor(R.styleable.RollingTextView_android_shadowColor, shadowColor)
shadowDx = arr.getFloat(R.styleable.RollingTextView_android_shadowDx, shadowDx)
shadowDy = arr.getFloat(R.styleable.RollingTextView_android_shadowDy, shadowDy)
shadowRadius = arr.getFloat(R.styleable.RollingTextView_android_shadowRadius, shadowRadius)
text = arr.getString(R.styleable.RollingTextView_android_text) ?: ""
textColor = arr.getColor(R.styleable.RollingTextView_android_textColor, textColor)
textSize = arr.getDimension(R.styleable.RollingTextView_android_textSize, textSize)
textStyle = arr.getInt(R.styleable.RollingTextView_android_textStyle, textStyle)
}

val arr = context.obtainStyledAttributes(attrs, R.styleable.RollingTextView,
defStyleAttr, defStyleRes)

val textAppearanceResId = arr.getResourceId(
R.styleable.RollingTextView_android_textAppearance, -1)

if (textAppearanceResId != -1) {
val textAppearanceArr = context.obtainStyledAttributes(
textAppearanceResId, R.styleable.RollingTextView)
applyTypedArray(textAppearanceArr)
textAppearanceArr.recycle()
}

applyTypedArray(arr)

animationDuration = arr.getInt(R.styleable.RollingTextView_duration, animationDuration.toInt()).toLong()

textPaint.isAntiAlias = true
if (shadowColor != 0) {
textPaint.setShadowLayer(shadowRadius, shadowDx, shadowDy, shadowColor)
}
if (textStyle != 0) {
typeface = textPaint.typeface
}

setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize)
setText(text, false)

arr.recycle()

animator.addUpdateListener {
textManager.updateAnimation(it.animatedFraction)
checkForReLayout()
invalidate()
}
animator.addListener(object : AnimatorListenerAdapter() {
override fun onAnimationEnd(animation: Animator?) {
textManager.onAnimationEnd()
}
})
}

override fun onDraw(canvas: Canvas) {
super.onDraw(canvas)

canvas.save()

realignAndClipCanvasForGravity(canvas)

canvas.translate(0f, textManager.textBaseline)

textManager.draw(canvas)

canvas.restore()
}

override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
lastMeasuredDesiredWidth = computeDesiredWidth()
lastMeasuredDesiredHeight = computeDesiredHeight()

val desiredWidth = resolveSize(lastMeasuredDesiredWidth, widthMeasureSpec)
val desiredHeight = resolveSize(lastMeasuredDesiredHeight, heightMeasureSpec)

setMeasuredDimension(desiredWidth, desiredHeight)
}

override fun onSizeChanged(width: Int, height: Int, oldw: Int, oldh: Int) {
super.onSizeChanged(width, height, oldw, oldh)
viewBounds.set(paddingLeft, paddingTop, width - paddingRight,
height - paddingBottom)
}

private fun checkForReLayout(): Boolean {
// val widthChanged = lastMeasuredDesiredWidth != computeDesiredWidth()
// val heightChanged = lastMeasuredDesiredHeight != computeDesiredHeight()
//
// if (widthChanged || heightChanged) {
// requestLayout()
// return true
// }
// return false
requestLayout()
return true
}

private fun computeDesiredWidth(): Int {
return textManager.currentTextWidth.toInt() + paddingLeft + paddingRight
}

private fun computeDesiredHeight(): Int {
return textManager.textHeight.toInt() + paddingTop + paddingBottom
}

private fun realignAndClipCanvasForGravity(canvas: Canvas) {
val currentWidth = textManager.currentTextWidth
val currentHeight = textManager.textHeight
val availableWidth = viewBounds.width()
val availableHeight = viewBounds.height()
var translationX = 0f
var translationY = 0f
if (gravity and Gravity.CENTER_VERTICAL == Gravity.CENTER_VERTICAL) {
translationY = viewBounds.top + (availableHeight - currentHeight) / 2f
}
if (gravity and Gravity.CENTER_HORIZONTAL == Gravity.CENTER_HORIZONTAL) {
translationX = viewBounds.left + (availableWidth - currentWidth) / 2f
}
if (gravity and Gravity.TOP == Gravity.TOP) {
translationY = 0f
}
if (gravity and Gravity.BOTTOM == Gravity.BOTTOM) {
translationY = viewBounds.top + (availableHeight - currentHeight)
}
if (gravity and Gravity.START == Gravity.START) {
translationX = 0f
}
if (gravity and Gravity.END == Gravity.END) {
translationX = viewBounds.left + (availableWidth - currentWidth)
}

canvas.translate(translationX, translationY)
canvas.clipRect(0f, 0f, currentWidth, currentHeight)
}

private fun onTextPaintMeasurementChanged() {
textManager.updateFontMatrics()
checkForReLayout()
invalidate()
}

/***************************** Public API below ***********************************************/

/**
* 滚动动画总时长
*/
var animationDuration: Long = 750L

var animationDuration: Long = 750L
var animationInterpolator: Interpolator = LinearInterpolator()

/**
Expand Down Expand Up @@ -370,16 +215,133 @@ open class RollingTextView : View {
* 与[charStrategy]配合使用定义动画效果
*/
fun addCharOrder(orderList: Array<Char>) = charOrderManager.addCharOrder(orderList.asIterable())
}

object CharOrder {
const val Number = "0123456789"
init {

var shadowColor = 0
var shadowDx = 0f
var shadowDy = 0f
var shadowRadius = 0f
var text = ""
var textSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
12f, context.resources.displayMetrics)

// Already does recycling internally
context.withStyledAttributes(attrs, R.styleable.RollingTextView) {
gravity = getInt(R.styleable.RollingTextView_android_gravity, gravity)
shadowColor = getColor(R.styleable.RollingTextView_android_shadowColor, shadowColor)
shadowDx = getFloat(R.styleable.RollingTextView_android_shadowDx, shadowDx)
shadowDy = getFloat(R.styleable.RollingTextView_android_shadowDy, shadowDy)
shadowRadius = getFloat(R.styleable.RollingTextView_android_shadowRadius, shadowRadius)
text = getString(R.styleable.RollingTextView_android_text) ?: ""
textColor = getColor(R.styleable.RollingTextView_android_textColor, textColor)
textSize = getDimension(R.styleable.RollingTextView_android_textSize, textSize)
textStyle = getInt(R.styleable.RollingTextView_android_textStyle, textStyle)
}

val arr = context.obtainStyledAttributes(attrs, R.styleable.RollingTextView,
defStyleAttr, defStyleRes)

animationDuration = arr.getInt(R.styleable.RollingTextView_duration, animationDuration.toInt()).toLong()

textPaint.isAntiAlias = true
if (shadowColor != 0) {
textPaint.setShadowLayer(shadowRadius, shadowDx, shadowDy, shadowColor)
}
if (textStyle != 0) {
typeface = textPaint.typeface
}

setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize)
setText(text, false)

arr.recycle()

animator.addUpdateListener {
textManager.updateAnimation(it.animatedFraction)
checkForReLayout()
invalidate()
}
animator.addListener(object : AnimatorListenerAdapter() {
override fun onAnimationEnd(animation: Animator?) {
textManager.onAnimationEnd()
}
})
}

override fun onDraw(canvas: Canvas) {
super.onDraw(canvas)

canvas.save()
realignAndClipCanvasForGravity(canvas)
canvas.translate(0f, textManager.textBaseline)
textManager.draw(canvas)
canvas.restore()
}

override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
lastMeasuredDesiredWidth = computeDesiredWidth()
lastMeasuredDesiredHeight = computeDesiredHeight()

const val Hex = "0123456789ABCDEF"
val desiredWidth = resolveSize(lastMeasuredDesiredWidth, widthMeasureSpec)
val desiredHeight = resolveSize(lastMeasuredDesiredHeight, heightMeasureSpec)

const val Binary = "01"
setMeasuredDimension(desiredWidth, desiredHeight)
}

const val Alphabet = "abcdefghijklmnopqrstuvwxyz"
override fun onSizeChanged(width: Int, height: Int, oldw: Int, oldh: Int) {
super.onSizeChanged(width, height, oldw, oldh)
viewBounds.set(paddingLeft, paddingTop, width - paddingRight,
height - paddingBottom)
}

const val UpperAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
private fun checkForReLayout(): Boolean {
requestLayout()
return true
}

private fun computeDesiredWidth(): Int {
return textManager.currentTextWidth.toInt() + paddingLeft + paddingRight
}

private fun computeDesiredHeight(): Int {
return textManager.textHeight.toInt() + paddingTop + paddingBottom
}

private fun realignAndClipCanvasForGravity(canvas: Canvas) {
val currentWidth = textManager.currentTextWidth
val currentHeight = textManager.textHeight
val availableWidth = viewBounds.width()
val availableHeight = viewBounds.height()
var translationX = 0f
var translationY = 0f

if (gravity and Gravity.CENTER_VERTICAL == Gravity.CENTER_VERTICAL) {
translationY = viewBounds.top + (availableHeight - currentHeight) / 2f
}
if (gravity and Gravity.CENTER_HORIZONTAL == Gravity.CENTER_HORIZONTAL) {
translationX = viewBounds.left + (availableWidth - currentWidth) / 2f
}
if (gravity and Gravity.TOP == Gravity.TOP) {
translationY = 0f
}
if (gravity and Gravity.BOTTOM == Gravity.BOTTOM) {
translationY = viewBounds.top + (availableHeight - currentHeight)
}
if (gravity and Gravity.START == Gravity.START) {
translationX = 0f
}
if (gravity and Gravity.END == Gravity.END) {
translationX = viewBounds.left + (availableWidth - currentWidth)
}

canvas.translate(translationX, translationY)
canvas.clipRect(0f, 0f, currentWidth, currentHeight)
}

private fun onTextPaintMeasurementChanged() {
textManager.updateFontMatrics()
checkForReLayout()
invalidate()
}
}