Initial commit
This commit is contained in:
MM20
@@ -0,0 +1 @@
|
||||
/build
|
||||
@@ -0,0 +1,45 @@
|
||||
plugins {
|
||||
id("com.android.library")
|
||||
id("kotlin-android")
|
||||
id("kotlin-android-extensions")
|
||||
}
|
||||
|
||||
android {
|
||||
compileSdk = sdk.versions.compileSdk.get().toInt()
|
||||
|
||||
defaultConfig {
|
||||
minSdk = sdk.versions.minSdk.get().toInt()
|
||||
targetSdk = sdk.versions.targetSdk.get().toInt()
|
||||
|
||||
testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
|
||||
consumerProguardFiles("consumer-rules.pro")
|
||||
}
|
||||
|
||||
buildTypes {
|
||||
release {
|
||||
isMinifyEnabled = false
|
||||
proguardFiles(
|
||||
getDefaultProguardFile("proguard-android-optimize.txt"),
|
||||
"proguard-rules.pro"
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
compileOptions {
|
||||
sourceCompatibility = JavaVersion.VERSION_1_8
|
||||
targetCompatibility = JavaVersion.VERSION_1_8
|
||||
}
|
||||
|
||||
kotlinOptions {
|
||||
jvmTarget = "1.8"
|
||||
}
|
||||
}
|
||||
|
||||
dependencies {
|
||||
implementation(libs.bundles.kotlin)
|
||||
implementation(libs.androidx.core)
|
||||
implementation(libs.androidx.appcompat)
|
||||
implementation(libs.androidx.cardview)
|
||||
implementation(libs.androidx.transition)
|
||||
|
||||
}
|
||||
Vendored
+21
@@ -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.kts.
|
||||
#
|
||||
# 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
|
||||
@@ -0,0 +1,5 @@
|
||||
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
package="de.mm20.launcher2.transition">
|
||||
|
||||
/
|
||||
</manifest>
|
||||
@@ -0,0 +1,36 @@
|
||||
package de.mm20.launcher2.transition
|
||||
|
||||
import android.animation.Animator
|
||||
import android.animation.ObjectAnimator
|
||||
import android.graphics.drawable.ColorDrawable
|
||||
import android.view.ViewGroup
|
||||
import androidx.cardview.widget.CardView
|
||||
import androidx.core.graphics.alpha
|
||||
import androidx.transition.Transition
|
||||
import androidx.transition.TransitionValues
|
||||
|
||||
class BackgroundColor : Transition() {
|
||||
override fun captureStartValues(transitionValues: TransitionValues) {
|
||||
if(transitionValues.view is CardView) return
|
||||
transitionValues.values[PROP_BG_COLOR] = (transitionValues.view.background as? ColorDrawable)?.color ?: 0
|
||||
}
|
||||
|
||||
override fun captureEndValues(transitionValues: TransitionValues) {
|
||||
if(transitionValues.view is CardView) return
|
||||
transitionValues.values[PROP_BG_COLOR] = (transitionValues.view.background as? ColorDrawable)?.color ?: 0
|
||||
}
|
||||
|
||||
override fun createAnimator(sceneRoot: ViewGroup, startValues: TransitionValues?, endValues: TransitionValues?): Animator? {
|
||||
if (startValues == null || endValues == null || endValues.view == null) return null
|
||||
var startColor = startValues.values[PROP_BG_COLOR] as? Int ?: return null
|
||||
var endColor = endValues.values[PROP_BG_COLOR] as? Int ?: return null
|
||||
//If end color is transparent, match it with stat color so it doesn't fade to black
|
||||
if(startColor.alpha == 0) startColor = endColor and 0x00FFFFFF
|
||||
if(endColor.alpha == 0) endColor = startColor and 0x00FFFFFF
|
||||
return ObjectAnimator.ofArgb(endValues.view, "backgroundColor", startColor, endColor)
|
||||
}
|
||||
|
||||
companion object {
|
||||
private const val PROP_BG_COLOR = "mm20:app:backgroundColor"
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,33 @@
|
||||
package de.mm20.launcher2.transition
|
||||
|
||||
import android.animation.Animator
|
||||
import android.animation.ObjectAnimator
|
||||
import androidx.transition.Transition
|
||||
import androidx.transition.TransitionValues
|
||||
import android.view.ViewGroup
|
||||
import androidx.cardview.widget.CardView
|
||||
|
||||
class CardCorners : Transition() {
|
||||
override fun captureStartValues(transitionValues: TransitionValues) {
|
||||
if (transitionValues.view is CardView) {
|
||||
transitionValues.values[PROP_CARD_RADIUS] = (transitionValues.view as CardView).radius
|
||||
}
|
||||
}
|
||||
|
||||
override fun captureEndValues(transitionValues: TransitionValues) {
|
||||
if (transitionValues.view is CardView) {
|
||||
transitionValues.values[PROP_CARD_RADIUS] = (transitionValues.view as CardView).radius
|
||||
}
|
||||
}
|
||||
|
||||
override fun createAnimator(sceneRoot: ViewGroup, startValues: TransitionValues?, endValues: TransitionValues?): Animator? {
|
||||
if (startValues == null || endValues == null) return null
|
||||
val startRadius = startValues.values[PROP_CARD_RADIUS] as? Float ?: return null
|
||||
val endRadius = endValues.values[PROP_CARD_RADIUS] as? Float ?: return null
|
||||
return ObjectAnimator.ofFloat(endValues.view as CardView, "radius", startRadius, endRadius)
|
||||
}
|
||||
|
||||
companion object {
|
||||
private const val PROP_CARD_RADIUS = "mm20:app:cardCornerRadius"
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,9 @@
|
||||
package de.mm20.launcher2.transition
|
||||
|
||||
import android.animation.LayoutTransition
|
||||
|
||||
class ChangingLayoutTransition: LayoutTransition() {
|
||||
init {
|
||||
enableTransitionType(CHANGING)
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,28 @@
|
||||
package de.mm20.launcher2.transition
|
||||
|
||||
import android.animation.Animator
|
||||
import android.animation.ObjectAnimator
|
||||
import android.view.ViewGroup
|
||||
import androidx.transition.Transition
|
||||
import androidx.transition.TransitionValues
|
||||
|
||||
class Elevation : Transition() {
|
||||
override fun captureStartValues(transitionValues: TransitionValues) {
|
||||
transitionValues.values[PROP_ELEVATION] = transitionValues.view.elevation
|
||||
}
|
||||
|
||||
override fun captureEndValues(transitionValues: TransitionValues) {
|
||||
transitionValues.values[PROP_ELEVATION] = transitionValues.view.elevation
|
||||
}
|
||||
|
||||
override fun createAnimator(sceneRoot: ViewGroup, startValues: TransitionValues?, endValues: TransitionValues?): Animator? {
|
||||
if (startValues == null || endValues == null) return null
|
||||
val startElevation = startValues.values[PROP_ELEVATION] as Float
|
||||
val endElevation = endValues.values[PROP_ELEVATION] as Float
|
||||
return ObjectAnimator.ofFloat(endValues.view, "elevation", startElevation, endElevation)
|
||||
}
|
||||
|
||||
companion object {
|
||||
private const val PROP_ELEVATION = "mm20:app:elevation"
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,26 @@
|
||||
package de.mm20.launcher2.transition
|
||||
|
||||
import android.animation.LayoutTransition
|
||||
import android.view.View
|
||||
import android.view.ViewGroup
|
||||
|
||||
class OneShotLayoutTransition(view: ViewGroup) : LayoutTransition() {
|
||||
init {
|
||||
enableTransitionType(CHANGING)
|
||||
addTransitionListener(object: TransitionListener{
|
||||
override fun startTransition(p0: LayoutTransition?, p1: ViewGroup?, p2: View?, p3: Int) {
|
||||
}
|
||||
|
||||
override fun endTransition(p0: LayoutTransition?, p1: ViewGroup?, p2: View?, p3: Int) {
|
||||
removeTransitionListener(this)
|
||||
view.layoutTransition = null
|
||||
}
|
||||
|
||||
})
|
||||
}
|
||||
companion object {
|
||||
fun run(view: ViewGroup) {
|
||||
view.layoutTransition = OneShotLayoutTransition(view)
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,399 @@
|
||||
package de.mm20.launcher2.transition
|
||||
|
||||
import android.animation.*
|
||||
import android.content.Context
|
||||
import android.graphics.*
|
||||
import android.graphics.drawable.Drawable
|
||||
import android.util.AttributeSet
|
||||
import android.util.TypedValue
|
||||
import android.view.Gravity
|
||||
import android.view.View
|
||||
import android.view.ViewGroup
|
||||
import android.widget.TextView
|
||||
import androidx.transition.Transition
|
||||
import androidx.transition.TransitionValues
|
||||
|
||||
|
||||
/**
|
||||
* Transitions a TextView from one font size to another. This does not
|
||||
* do any animation of TextView content and if the text changes, this
|
||||
* transition will not run.
|
||||
*
|
||||
*
|
||||
* The animation works by capturing a bitmap of the text at the startLegacy
|
||||
* and end states. It then scales the startLegacy bitmap until it reaches
|
||||
* a threshold and switches to the scaled end bitmap for the remainder
|
||||
* of the animation. This keeps the jump in bitmaps in the middle of
|
||||
* the animation, where it is less noticeable than at the beginning
|
||||
* or end of the animation. This transition does not work well with
|
||||
* cropped text. TextResize also does not work with changes in
|
||||
* TextView gravity.
|
||||
*/
|
||||
class TextResize : Transition {
|
||||
|
||||
constructor() {
|
||||
addTarget(TextView::class.java)
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor used from XML.
|
||||
*/
|
||||
constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {
|
||||
addTarget(TextView::class.java)
|
||||
}
|
||||
|
||||
override fun captureStartValues(transitionValues: TransitionValues) {
|
||||
captureValues(transitionValues)
|
||||
}
|
||||
|
||||
override fun captureEndValues(transitionValues: TransitionValues) {
|
||||
captureValues(transitionValues)
|
||||
}
|
||||
|
||||
override fun getTransitionProperties(): Array<String> {
|
||||
return PROPERTIES
|
||||
}
|
||||
|
||||
|
||||
private fun captureValues(transitionValues: TransitionValues) {
|
||||
if (transitionValues.view !is TextView) {
|
||||
return
|
||||
}
|
||||
val view = transitionValues.view as TextView
|
||||
val fontSize = view.textSize
|
||||
transitionValues.values.put(FONT_SIZE, fontSize)
|
||||
val data = TextResizeData(view)
|
||||
transitionValues.values.put(DATA, data)
|
||||
}
|
||||
|
||||
override fun createAnimator(sceneRoot: ViewGroup, startValues: TransitionValues?,
|
||||
endValues: TransitionValues?): Animator? {
|
||||
if (startValues == null || endValues == null) {
|
||||
return null
|
||||
}
|
||||
|
||||
val startData = startValues.values.get(DATA) as TextResizeData
|
||||
val endData = endValues.values.get(DATA) as TextResizeData
|
||||
if (startData.gravity != endData.gravity) {
|
||||
return null // Can't deal with changes in gravity
|
||||
}
|
||||
|
||||
val textView = endValues.view as TextView
|
||||
var startFontSize = startValues.values.get(FONT_SIZE) as Float
|
||||
// Capture the startLegacy bitmap -- we need to set the values to the startLegacy values first
|
||||
setTextViewData(textView, startData, startFontSize)
|
||||
val startWidth = textView.paint.measureText(textView.text.toString())
|
||||
|
||||
val startBitmap = captureTextBitmap(textView)
|
||||
|
||||
if (startBitmap == null) {
|
||||
startFontSize = 0f
|
||||
}
|
||||
|
||||
var endFontSize = endValues.values.get(FONT_SIZE) as Float
|
||||
|
||||
// Set the values to the end values
|
||||
setTextViewData(textView, endData, endFontSize)
|
||||
|
||||
val endWidth = textView.paint.measureText(textView.text.toString())
|
||||
|
||||
// Capture the end bitmap
|
||||
val endBitmap = captureTextBitmap(textView)
|
||||
if (endBitmap == null) {
|
||||
endFontSize = 0f
|
||||
}
|
||||
|
||||
if (startFontSize == 0f && endFontSize == 0f) {
|
||||
return null // Can't animate null bitmaps
|
||||
}
|
||||
|
||||
// Set the colors of the TextView so that nothing is drawn.
|
||||
// Only draw the bitmaps in the overlay.
|
||||
val textColors = textView.textColors
|
||||
val hintColors = textView.hintTextColors
|
||||
val highlightColor = textView.highlightColor
|
||||
val linkColors = textView.linkTextColors
|
||||
textView.setTextColor(Color.TRANSPARENT)
|
||||
textView.setHintTextColor(Color.TRANSPARENT)
|
||||
textView.highlightColor = Color.TRANSPARENT
|
||||
textView.setLinkTextColor(Color.TRANSPARENT)
|
||||
|
||||
if (startBitmap == null || endBitmap == null) return null
|
||||
// Create the drawable that will be animated in the TextView's overlay.
|
||||
// Ensure that it is showing the startLegacy state now.
|
||||
val drawable = SwitchBitmapDrawable(textView, startData.gravity,
|
||||
startBitmap, startFontSize, startWidth, endBitmap, endFontSize, endWidth)
|
||||
textView.overlay.add(drawable)
|
||||
|
||||
// Properties: left, top, font size, text color
|
||||
val leftProp = PropertyValuesHolder.ofFloat("left", startData.paddingLeft.toFloat(), endData.paddingLeft.toFloat())
|
||||
val topProp = PropertyValuesHolder.ofFloat("top", startData.paddingTop.toFloat(), endData.paddingTop.toFloat())
|
||||
val rightProp = PropertyValuesHolder.ofFloat("right",
|
||||
(startData.width - startData.paddingRight).toFloat(), (endData.width - endData.paddingRight).toFloat())
|
||||
val bottomProp = PropertyValuesHolder.ofFloat("bottom",
|
||||
(startData.height - startData.paddingBottom).toFloat(), (endData.height - endData.paddingBottom).toFloat())
|
||||
val fontSizeProp = PropertyValuesHolder.ofFloat("fontSize", startFontSize, endFontSize)
|
||||
val animator: ObjectAnimator
|
||||
if (startData.textColor != endData.textColor) {
|
||||
val textColorProp = PropertyValuesHolder.ofObject("textColor",
|
||||
ArgbEvaluator(), startData.textColor, endData.textColor)
|
||||
animator = ObjectAnimator.ofPropertyValuesHolder(drawable,
|
||||
leftProp, topProp, rightProp, bottomProp, fontSizeProp, textColorProp)
|
||||
} else {
|
||||
animator = ObjectAnimator.ofPropertyValuesHolder(drawable,
|
||||
leftProp, topProp, rightProp, bottomProp, fontSizeProp)
|
||||
}
|
||||
|
||||
val finalFontSize = endFontSize
|
||||
val listener = object : AnimatorListenerAdapter() {
|
||||
override fun onAnimationEnd(animation: Animator) {
|
||||
textView.overlay.remove(drawable)
|
||||
textView.setTextColor(textColors)
|
||||
textView.setHintTextColor(hintColors)
|
||||
textView.highlightColor = highlightColor
|
||||
textView.setLinkTextColor(linkColors)
|
||||
}
|
||||
|
||||
override fun onAnimationPause(animation: Animator) {
|
||||
textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, drawable.fontSize)
|
||||
val paddingLeft = Math.round(drawable.left)
|
||||
val paddingTop = Math.round(drawable.top)
|
||||
val fraction = animator.getAnimatedFraction()
|
||||
val paddingRight = Math.round(interpolate(startData.paddingRight.toFloat(),
|
||||
endData.paddingRight.toFloat(), fraction))
|
||||
val paddingBottom = Math.round(interpolate(startData.paddingBottom.toFloat(),
|
||||
endData.paddingBottom.toFloat(), fraction))
|
||||
textView.setPadding(paddingLeft, paddingTop, paddingRight, paddingBottom)
|
||||
textView.setTextColor(drawable.textColor)
|
||||
}
|
||||
|
||||
override fun onAnimationResume(animation: Animator) {
|
||||
textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, finalFontSize)
|
||||
textView.setPadding(endData.paddingLeft, endData.paddingTop,
|
||||
endData.paddingRight, endData.paddingBottom)
|
||||
textView.setTextColor(endData.textColor)
|
||||
}
|
||||
}
|
||||
animator.addListener(listener)
|
||||
animator.addPauseListener(listener)
|
||||
return animator
|
||||
}
|
||||
|
||||
/**
|
||||
* This Drawable is used to scale the startLegacy and end bitmaps and switch between them
|
||||
* at the appropriate progress.
|
||||
*/
|
||||
private class SwitchBitmapDrawable(private val view: TextView, gravity: Int,
|
||||
private val startBitmap: Bitmap, private val startFontSize: Float, private val startWidth: Float,
|
||||
private val endBitmap: Bitmap, private val endFontSize: Float, private val endWidth: Float) : Drawable() {
|
||||
|
||||
private val horizontalGravity: Int
|
||||
private val verticalGravity: Int
|
||||
private val paint = Paint()
|
||||
/**
|
||||
* @return The font size of the text in the displayed bitmap.
|
||||
*/
|
||||
/**
|
||||
* Sets the font size that the text should be displayed at.
|
||||
*
|
||||
* @param fontSize The font size in pixels of the scaled bitmap text.
|
||||
*/
|
||||
var fontSize: Float = 0.toFloat()
|
||||
set(fontSize) {
|
||||
field = fontSize
|
||||
invalidateSelf()
|
||||
}
|
||||
/**
|
||||
* @return The left side of the text.
|
||||
*/
|
||||
/**
|
||||
* Sets the left side of the text. This should be the same as the left padding.
|
||||
*
|
||||
* @param left The left side of the text in pixels.
|
||||
*/
|
||||
var left: Float = 0.toFloat()
|
||||
set(left) {
|
||||
field = left
|
||||
invalidateSelf()
|
||||
}
|
||||
/**
|
||||
* @return The top of the text.
|
||||
*/
|
||||
/**
|
||||
* Sets the top of the text. This should be the same as the top padding.
|
||||
*
|
||||
* @param top The top of the text in pixels.
|
||||
*/
|
||||
var top: Float = 0.toFloat()
|
||||
set(top) {
|
||||
field = top
|
||||
invalidateSelf()
|
||||
}
|
||||
/**
|
||||
* @return The right side of the text.
|
||||
*/
|
||||
/**
|
||||
* Sets the right of the drawable.
|
||||
*
|
||||
* @param right The right pixel of the drawn area.
|
||||
*/
|
||||
var right: Float = 0.toFloat()
|
||||
set(right) {
|
||||
field = right
|
||||
invalidateSelf()
|
||||
}
|
||||
/**
|
||||
* @return The bottom of the text.
|
||||
*/
|
||||
/**
|
||||
* Sets the bottom of the drawable.
|
||||
*
|
||||
* @param bottom The bottom pixel of the drawn area.
|
||||
*/
|
||||
var bottom: Float = 0.toFloat()
|
||||
set(bottom) {
|
||||
field = bottom
|
||||
invalidateSelf()
|
||||
}
|
||||
/**
|
||||
* @return The color of the text being displayed.
|
||||
*/
|
||||
/**
|
||||
* Sets the color of the text to be displayed.
|
||||
*
|
||||
* @param textColor The color of the text to be displayed.
|
||||
*/
|
||||
var textColor: Int = 0
|
||||
set(textColor) {
|
||||
field = textColor
|
||||
colorFilter = PorterDuffColorFilter(textColor, PorterDuff.Mode.SRC_IN)
|
||||
invalidateSelf()
|
||||
}
|
||||
|
||||
override fun getOpacity(): Int {
|
||||
return PixelFormat.TRANSLUCENT
|
||||
}
|
||||
|
||||
init {
|
||||
this.horizontalGravity = gravity and Gravity.HORIZONTAL_GRAVITY_MASK
|
||||
this.verticalGravity = gravity and Gravity.VERTICAL_GRAVITY_MASK
|
||||
}
|
||||
|
||||
override fun invalidateSelf() {
|
||||
super.invalidateSelf()
|
||||
view.invalidate()
|
||||
}
|
||||
|
||||
override fun draw(canvas: Canvas) {
|
||||
val saveCount = canvas.save()
|
||||
// The threshold changes depending on the target font sizes. Because scaled-up
|
||||
// fonts look bad, we want to switch when closer to the smaller font size. This
|
||||
// algorithm ensures that null bitmaps (font size = 0) are never used.
|
||||
val threshold = startFontSize / (startFontSize + endFontSize)
|
||||
val fontSize = fontSize
|
||||
val progress = (fontSize - startFontSize) / (endFontSize - startFontSize)
|
||||
|
||||
// The drawn text width is a more accurate scale than font size. This avoids
|
||||
// jump when switching bitmaps.
|
||||
val expectedWidth = interpolate(startWidth, endWidth, progress)
|
||||
if (progress < threshold) {
|
||||
// draw startLegacy bitmap
|
||||
val scale = expectedWidth / startWidth
|
||||
val tx = getTranslationPoint(horizontalGravity, this.left, this.right,
|
||||
startBitmap.width.toFloat(), scale)
|
||||
val ty = getTranslationPoint(verticalGravity, this.top, this.bottom,
|
||||
startBitmap.height.toFloat(), scale)
|
||||
canvas.translate(tx, ty)
|
||||
canvas.scale(scale, scale)
|
||||
canvas.drawBitmap(startBitmap, 0f, 0f, paint)
|
||||
} else {
|
||||
// draw end bitmap
|
||||
val scale = expectedWidth / endWidth
|
||||
val tx = getTranslationPoint(horizontalGravity, this.left, this.right,
|
||||
endBitmap.width.toFloat(), scale)
|
||||
val ty = getTranslationPoint(verticalGravity, this.top, this.bottom,
|
||||
endBitmap.height.toFloat(), scale)
|
||||
canvas.translate(tx, ty)
|
||||
canvas.scale(scale, scale)
|
||||
canvas.drawBitmap(endBitmap, 0f, 0f, paint)
|
||||
}
|
||||
canvas.restoreToCount(saveCount)
|
||||
}
|
||||
|
||||
override fun setAlpha(alpha: Int) {}
|
||||
|
||||
override fun setColorFilter(colorFilter: ColorFilter?) {
|
||||
paint.colorFilter = colorFilter
|
||||
}
|
||||
|
||||
private fun getTranslationPoint(gravity: Int, start: Float, end: Float, dim: Float,
|
||||
scale: Float): Float {
|
||||
return when (gravity) {
|
||||
Gravity.CENTER_HORIZONTAL, Gravity.CENTER_VERTICAL -> (start + end - dim * scale) / 2f
|
||||
Gravity.RIGHT, Gravity.BOTTOM -> end - dim * scale
|
||||
Gravity.LEFT, Gravity.TOP -> start
|
||||
else -> start
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Contains all the non-font-size data used by the TextResize transition.
|
||||
* None of these values should trigger the transition, so they are not listed
|
||||
* in PROPERTIES. These are captured together to avoid boxing of all the
|
||||
* primitives while adding to TransitionValues.
|
||||
*/
|
||||
internal class TextResizeData(textView: TextView) {
|
||||
val paddingLeft = textView.paddingLeft
|
||||
val paddingTop = textView.paddingTop
|
||||
val paddingRight = textView.paddingRight
|
||||
val paddingBottom = textView.paddingBottom
|
||||
val width = textView.width
|
||||
val height = textView.height
|
||||
val gravity = textView.gravity
|
||||
val textColor = textView.currentTextColor
|
||||
|
||||
}
|
||||
|
||||
companion object {
|
||||
private val FONT_SIZE = "TextResize:fontSize"
|
||||
private val DATA = "TextResize:data"
|
||||
|
||||
private val PROPERTIES = arrayOf(
|
||||
// We only care about FONT_SIZE. If anything else changes, we don't
|
||||
// want this transition to be called to create an Animator.
|
||||
FONT_SIZE)
|
||||
|
||||
private fun setTextViewData(view: TextView, data: TextResizeData, fontSize: Float) {
|
||||
view.setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize)
|
||||
view.setPadding(data.paddingLeft, data.paddingTop, data.paddingRight, data.paddingBottom)
|
||||
view.right = view.left + data.width
|
||||
view.bottom = view.top + data.height
|
||||
view.setTextColor(data.textColor)
|
||||
val widthSpec = View.MeasureSpec.makeMeasureSpec(view.width, View.MeasureSpec.EXACTLY)
|
||||
val heightSpec = View.MeasureSpec.makeMeasureSpec(view.height, View.MeasureSpec.EXACTLY)
|
||||
view.measure(widthSpec, heightSpec)
|
||||
view.layout(view.left, view.top, view.right, view.bottom)
|
||||
}
|
||||
|
||||
private fun captureTextBitmap(textView: TextView): Bitmap? {
|
||||
val background = textView.background
|
||||
textView.background = null
|
||||
val width = textView.width - textView.paddingLeft - textView.paddingRight
|
||||
val height = textView.height - textView.paddingTop - textView.paddingBottom
|
||||
if (width <= 0 || height <= 0) {
|
||||
return null
|
||||
}
|
||||
val bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
|
||||
val canvas = Canvas(bitmap)
|
||||
canvas.translate((-textView.paddingLeft).toFloat(), (-textView.paddingTop).toFloat())
|
||||
textView.draw(canvas)
|
||||
textView.background = background
|
||||
return bitmap
|
||||
}
|
||||
|
||||
private fun interpolate(start: Float, end: Float, fraction: Float): Float {
|
||||
return start + fraction * (end - start)
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user