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edit DarkMode.kt
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@rahbadev
rahbadev committed Jun 18, 2023
1 parent d4b9936 commit 7073418
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144 changes: 78 additions & 66 deletions BtechUtils/src/main/java/com/rhdev/btechutils/DarkMode.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -7,112 +7,124 @@ import androidx.preference.PreferenceManager
import com.google.android.material.dialog.MaterialAlertDialogBuilder

object DarkMode {

private val TAG = "P_TAG : " + DarkMode::class.simpleName
private const val APP_DARK_MODE_SP_KEY = "app_dark_mode_sp_key"

private val uiModeMap = mapOf(
"نهاري" to AppCompatDelegate.MODE_NIGHT_NO,
"ليلي" to AppCompatDelegate.MODE_NIGHT_YES,
"تلقائي" to AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM,
)
private lateinit var appContext: Context
lateinit var modesList: List<Mode>
private set

// ...

private fun setAppDarkModeValue(context: Context, mode: Int) {
val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
sharedPreferences.edit().putInt(APP_DARK_MODE_SP_KEY, mode).apply()
fun initialize(context: Context) {
appContext = context.applicationContext
initModesList()
}

private fun getAppDarkModeValue(context: Context): Int {
val sharedPreferences =
PreferenceManager.getDefaultSharedPreferences(context)
return sharedPreferences.getInt(
APP_DARK_MODE_SP_KEY,
AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
private fun initModesList() {
modesList = listOf(
Mode(appContext.resources.getString(R.string.light), Type.LIGHT),
Mode(appContext.resources.getString(R.string.night), Type.NIGHT),
Mode(appContext.resources.getString(R.string.system), Type.SYSTEM)
)
}

fun applyAppModeToUI(context: Context) {
AppCompatDelegate.setDefaultNightMode(getAppDarkModeValue(context))
fun changeMode(type: Type) {
setAppDarkModeValue(type)
applyAppModeToUI()
}

private fun setAppDarkModeValue(type: Type) {
val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(appContext)
sharedPreferences.edit().putString(APP_DARK_MODE_SP_KEY, type.value).apply()
}

fun getCurrentModePosition(): Int {
modesList.forEachIndexed { index, mode ->
if (mode.type == getCurrentModeType()) {
return index
}
}
return -1
}

private fun getCurrentModeDelegate(): Int {
return getModeDelegateByType(getCurrentModeType())
}

private fun applyAppModeToUI(mode: Int) {
AppCompatDelegate.setDefaultNightMode(mode)
private fun getModeDelegateByType(type: Type): Int {
return when (type) {
Type.LIGHT -> AppCompatDelegate.MODE_NIGHT_NO
Type.NIGHT -> AppCompatDelegate.MODE_NIGHT_YES
Type.SYSTEM -> AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
}
}

private fun getCurrentModeType(): Type {
val appDarkModeValue = getCurrentModeValue()
return getTypeByValue(appDarkModeValue)
}

private fun getTypeByValue(value: String): Type {
return Type.values().find { it.value == value } ?: Type.SYSTEM
}

private fun getCurrentModeValue(): String {
val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(appContext)
return sharedPreferences.getString(APP_DARK_MODE_SP_KEY, Type.SYSTEM.value)
?: Type.SYSTEM.value
}

private fun applyAppModeToUI() {
applyAppModeToUI(getCurrentModeType())
}

private fun applyAppModeToUI(type: Type) {
AppCompatDelegate.setDefaultNightMode(getModeDelegateByType(type))
}

// Function to check if the current theme is dark
fun isDarkTheme(context: Context): Boolean {
return when (getAppDarkModeValue(context)) {
fun isDarkTheme(): Boolean {
return when (getCurrentModeDelegate()) {
AppCompatDelegate.MODE_NIGHT_YES -> true
AppCompatDelegate.MODE_NIGHT_NO -> false
else -> {
val currentNightMode =
context.applicationContext.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK
appContext.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK
currentNightMode == Configuration.UI_MODE_NIGHT_YES
}
}
}

fun showUiModeDialog(context: Context) {

val currentSelectedMode = getPositionByValue(getAppDarkModeValue(context))
val currentSelectedMode = getCurrentModePosition()
var checkedItem = currentSelectedMode
val items = modesList.map { it.title }.toTypedArray()

MaterialAlertDialogBuilder(context)
.setTitle("اختيار المظهر")
.setSingleChoiceItems(uiModeMap.keys.toTypedArray(), checkedItem) { _, which ->
.setSingleChoiceItems(items, checkedItem) { _, which ->
checkedItem = which
}
.setNeutralButton("موافق") { _, _ ->
if (currentSelectedMode != checkedItem) {
val selectedMode = getValueByPosition(checkedItem)
setAppDarkModeValue(context, selectedMode)
applyAppModeToUI(context)
val selectedMode = modesList[checkedItem]
changeMode(selectedMode.type)
}
}
.setPositiveButton("الغاء") { _, _ ->

}

.show()
}

private fun getValueByPosition(position: Int): Int {
uiModeMap.values.toIntArray().forEachIndexed { index, i ->
if (index == position) {
return i
}
}
return -1
}

private fun getKeyByPosition(position: Int): String {
uiModeMap.keys.toTypedArray().forEachIndexed { index, i ->
if (index == position) {
return i
}
}
return ""
}

private fun getPositionByValue(value: Int): Int {
uiModeMap.values.forEachIndexed { index, i ->
if (value == i) {
return index
}
}
return -1
}
data class Mode(
var title: String,
var type: Type,
)

private fun getPositionByKey(map: Map<String, Int>, key: String): Int {
map.keys.forEachIndexed { index, i ->
if (key == i) {
return index
}
}
return -1
enum class Type(var value: String) {
LIGHT("light"),
NIGHT("night"),
SYSTEM("system")
}

}


7 changes: 7 additions & 0 deletions BtechUtils/src/main/res/values-ar/strings.xml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="light">نهاري</string>
<string name="night">ليلي</string>
<string name="auto">تلقائي</string>
<string name="system">النظام</string>
</resources>
7 changes: 7 additions & 0 deletions BtechUtils/src/main/res/values/strings.xml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="light">Light</string>
<string name="night">Night</string>
<string name="auto">Auto</string>
<string name="system">System</string>
</resources>
36 changes: 34 additions & 2 deletions simple_app/src/main/java/com/rhdev/utilslibrary/MainActivity.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,11 @@ package com.rhdev.utilslibrary
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import com.rhdev.btechutils.DarkMode
import com.rhdev.btechutils.DarkMode.changeMode
import com.rhdev.btechutils.DarkMode.getCurrentModePosition
import com.rhdev.btechutils.DarkMode.modesList
import com.rhdev.btechutils.StoreUtils
import com.rhdev.btechutils.ToastyType
import com.rhdev.btechutils.ToastyUtils
Expand All @@ -13,6 +17,8 @@ class MainActivity : AppCompatActivity() {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)

DarkMode.initialize(context = this@MainActivity)

isDarkModeToasty()


Expand All @@ -22,7 +28,33 @@ class MainActivity : AppCompatActivity() {
val checkUpdatesButton = findViewById<Button>(R.id.checkUpdates)

nightButton.setOnClickListener {
DarkMode.showUiModeDialog(context = this@MainActivity)
DarkMode.showUiModeDialog(this@MainActivity)
}

nightButton.setOnLongClickListener {
val currentSelectedMode = getCurrentModePosition()
var checkedItem = currentSelectedMode

val items = modesList.map { it.title }.toTypedArray()

MaterialAlertDialogBuilder(this@MainActivity)
.setTitle("اختيار المظهر")
.setSingleChoiceItems(items, checkedItem) { _, which ->
checkedItem = which
}
.setNeutralButton("موافق") { _, _ ->
if (currentSelectedMode != checkedItem) {
val selectedMode = modesList[checkedItem]
changeMode(selectedMode.type)
}
}
.setPositiveButton("الغاء") { _, _ ->

}

.show()

true
}

devPageButton.setOnClickListener {
Expand Down Expand Up @@ -59,7 +91,7 @@ class MainActivity : AppCompatActivity() {
ToastyUtils.show(
context = this@MainActivity,
toastyType = ToastyType.INFO,
text = if (DarkMode.isDarkTheme(context = this@MainActivity)) "is night mode" else "is light mode")
text = if (DarkMode.isDarkTheme()) "is night mode" else "is light mode")
}


Expand Down

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