262 lines
7.2 KiB
Kotlin
262 lines
7.2 KiB
Kotlin
package jp.juggler.util
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import android.app.Activity
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import android.content.Context
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import android.content.ContextWrapper
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import android.content.SharedPreferences
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import android.content.res.ColorStateList
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import android.graphics.Color
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import android.os.Build
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import android.view.View
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import android.view.ViewGroup
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import android.view.WindowInsetsController
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import android.view.WindowManager
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import android.view.inputmethod.InputMethodManager
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import android.widget.CompoundButton
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import androidx.appcompat.app.AppCompatActivity
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import androidx.appcompat.widget.SwitchCompat
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import jp.juggler.subwaytooter.App1
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import jp.juggler.subwaytooter.Pref
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import jp.juggler.subwaytooter.R
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import org.xmlpull.v1.XmlPullParser
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import kotlin.math.pow
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private val log = LogCategory("ViewUtils")
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fun View?.scan(callback : (view : View) -> Unit) {
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this ?: return
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callback(this)
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if(this is ViewGroup) {
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for(i in 0 until this.childCount) {
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this.getChildAt(i)?.scan(callback)
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}
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}
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}
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val View?.activity : Activity?
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get() {
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var context = this?.context
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while(context is ContextWrapper) {
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if(context is Activity) return context
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context = context.baseContext
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}
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return null
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}
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fun View.hideKeyboard() {
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try {
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val imm = this.context?.getSystemService(Context.INPUT_METHOD_SERVICE)
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if(imm is InputMethodManager) {
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imm.hideSoftInputFromWindow(this.windowToken, InputMethodManager.HIDE_NOT_ALWAYS)
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} else {
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log.e("hideKeyboard: can't get InputMethodManager")
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}
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} catch(ex : Throwable) {
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log.trace(ex)
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}
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}
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fun View.showKeyboard() {
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try {
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val imm = this.context?.getSystemService(Context.INPUT_METHOD_SERVICE)
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if(imm is InputMethodManager) {
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imm.showSoftInput(this, InputMethodManager.HIDE_NOT_ALWAYS)
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} else {
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log.e("showKeyboard: can't get InputMethodManager")
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}
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} catch(ex : Throwable) {
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log.trace(ex)
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}
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}
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// set visibility VISIBLE or GONE
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// return true if visible
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fun <T : View> T?.vg(visible : Boolean) : T? {
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this?.visibility = if(visible) View.VISIBLE else View.GONE
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return if(visible) this else null
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}
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fun ViewGroup.generateLayoutParamsEx() : ViewGroup.LayoutParams? =
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try {
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val parser = resources.getLayout(R.layout.generate_params)
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// Skip everything until the view tag.
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while(true) {
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val token = parser.nextToken()
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if(token == XmlPullParser.START_TAG) break
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}
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generateLayoutParams(parser)
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} catch(ex : Throwable) {
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log.e(ex, "generateLayoutParamsEx failed")
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null
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}
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// isChecked with skipping animation
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var CompoundButton.isCheckedNoAnime : Boolean
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get() = isChecked
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set(value) {
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isChecked = value
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jumpDrawablesToCurrentState()
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}
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private fun mixColor(col1 : Int, col2 : Int) : Int = Color.rgb(
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(Color.red(col1) + Color.red(col2)) ushr 1,
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(Color.green(col1) + Color.green(col2)) ushr 1,
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(Color.blue(col1) + Color.blue(col2)) ushr 1
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)
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fun Context.setSwitchColor(
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pref : SharedPreferences,
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root : View?
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) {
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val colorBg = attrColor(R.attr.colorWindowBackground)
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val colorOn = Pref.ipSwitchOnColor(pref)
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val colorOff = /* Pref.ipSwitchOffColor(pref).notZero() ?: */
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attrColor(android.R.attr.colorPrimary)
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val colorDisabled = mixColor(colorBg, colorOff)
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val colorTrackDisabled = mixColor(colorBg, colorDisabled)
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val colorTrackOn = mixColor(colorBg, colorOn)
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val colorTrackOff = mixColor(colorBg, colorOff)
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// https://stackoverflow.com/a/25635526/9134243
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val thumbStates = ColorStateList(
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arrayOf(
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intArrayOf(- android.R.attr.state_enabled),
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intArrayOf(android.R.attr.state_checked),
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intArrayOf()
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),
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intArrayOf(
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colorDisabled,
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colorOn,
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colorOff
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)
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)
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val trackStates = ColorStateList(
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arrayOf(
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intArrayOf(- android.R.attr.state_enabled),
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intArrayOf(android.R.attr.state_checked),
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intArrayOf()
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),
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intArrayOf(
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colorTrackDisabled,
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colorTrackOn,
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colorTrackOff
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)
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)
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root?.scan {
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(it as? SwitchCompat)?.apply {
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thumbTintList = thumbStates
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trackTintList = trackStates
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}
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}
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}
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private fun rgbToLab(rgb : Int) : Triple<Float, Float, Float> {
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fun Int.revGamma() : Float {
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val v = toFloat() / 255f
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return when {
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v > 0.04045f -> ((v + 0.055f) / 1.055f).pow(2.4f)
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else -> v / 12.92f
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}
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}
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val r = Color.red(rgb).revGamma()
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val g = Color.green(rgb).revGamma()
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val b = Color.blue(rgb).revGamma()
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//https://en.wikipedia.org/wiki/Lab_color_space#CIELAB-CIEXYZ_conversions
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fun f(src : Float, k : Float) : Float {
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val v = src * k
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return when {
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v > 0.008856f -> v.pow(1f / 3f)
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else -> (7.787f * v) + (4f / 29f)
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}
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}
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val x = f(r * 0.4124f + g * 0.3576f + b * 0.1805f, 100f / 95.047f)
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val y = f(r * 0.2126f + g * 0.7152f + b * 0.0722f, 100f / 100f)
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val z = f(r * 0.0193f + g * 0.1192f + b * 0.9505f, 100f / 108.883f)
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return Triple(
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(116 * y) - 16, // L
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500 * (x - y), // a
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200 * (y - z) //b
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)
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}
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fun AppCompatActivity.setStatusBarColor(forceDark : Boolean = false) {
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window?.apply {
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// 古い端末ではナビゲーションバーのアイコン色を設定できないため
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// メディアビューア画面ではステータスバーやナビゲーションバーの色を設定しない…
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if(forceDark && Build.VERSION.SDK_INT < 26) return
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if(Build.VERSION.SDK_INT < 30) {
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@Suppress("DEPRECATION")
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clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS or WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION)
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}
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addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS)
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var c = when {
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forceDark -> Color.BLACK
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else -> Pref.ipStatusBarColor(App1.pref).notZero()
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?: attrColor(R.attr.colorPrimaryDark)
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}
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statusBarColor = c or Color.BLACK
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if(Build.VERSION.SDK_INT >= 30) {
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decorView.windowInsetsController?.run {
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val bit = WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS
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setSystemBarsAppearance(if(rgbToLab(c).first >= 50f) bit else 0, bit)
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}
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} else if(Build.VERSION.SDK_INT >= 23) {
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@Suppress("DEPRECATION")
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val bit = View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
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@Suppress("DEPRECATION")
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decorView.systemUiVisibility =
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if(rgbToLab(c).first >= 50f) {
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//Dark Text to show up on your light status bar
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decorView.systemUiVisibility or bit
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} else {
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//Light Text to show up on your dark status bar
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decorView.systemUiVisibility and bit.inv()
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}
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}
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c = when {
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forceDark -> Color.BLACK
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else -> Pref.ipNavigationBarColor(App1.pref)
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}
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if(c != 0) {
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navigationBarColor = c or Color.BLACK
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if(Build.VERSION.SDK_INT >= 30) {
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decorView.windowInsetsController?.run {
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val bit = WindowInsetsController.APPEARANCE_LIGHT_NAVIGATION_BARS
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setSystemBarsAppearance(if(rgbToLab(c).first >= 50f) bit else 0, bit)
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}
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} else if(Build.VERSION.SDK_INT >= 26) {
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@Suppress("DEPRECATION")
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val bit = View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR
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@Suppress("DEPRECATION")
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decorView.systemUiVisibility =
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if(rgbToLab(c).first >= 50f) {
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//Dark Text to show up on your light status bar
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decorView.systemUiVisibility or bit
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} else {
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//Light Text to show up on your dark status bar
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decorView.systemUiVisibility and bit.inv()
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}
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}
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} // else: need restart app.
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}
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}
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