[#11] Change how settings adapter work. Directly set system settings in MainActivity.

app/src/main/java/me/zobrist/tichucounter/BaseActivity.kt

@@ -1,83 +0,0 @@
-package me.zobrist.tichucounter
-
-import android.content.SharedPreferences
-import android.os.Bundle
-import android.view.WindowManager
-import androidx.appcompat.app.AppCompatActivity
-import androidx.appcompat.app.AppCompatDelegate
-import androidx.core.os.LocaleListCompat
-import androidx.preference.PreferenceManager
-import dagger.hilt.android.AndroidEntryPoint
-import me.zobrist.tichucounter.domain.Language
-import me.zobrist.tichucounter.domain.SettingsAdapter
-import me.zobrist.tichucounter.domain.Theme
-import javax.inject.Inject
-
-@AndroidEntryPoint
-abstract class BaseActivity : AppCompatActivity(),
-    SharedPreferences.OnSharedPreferenceChangeListener {
-
-    @Inject
-    lateinit var settingsAdapter: SettingsAdapter
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        keepScreenOn(settingsAdapter.keepScreenOn)
-        updateTheme(settingsAdapter.theme)
-
-        PreferenceManager.getDefaultSharedPreferences(this)
-            .registerOnSharedPreferenceChangeListener(this)
-    }
-
-    override fun onResume() {
-        super.onResume()
-        PreferenceManager.getDefaultSharedPreferences(this)
-            .registerOnSharedPreferenceChangeListener(this)
-    }
-
-    override fun onPause() {
-        super.onPause()
-        PreferenceManager.getDefaultSharedPreferences(this)
-            .unregisterOnSharedPreferenceChangeListener(this)
-    }
-
-    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String?) {
-        when (key) {
-            settingsAdapter.language::class.simpleName -> setLanguage(settingsAdapter.language)
-            settingsAdapter.keepScreenOn::class.simpleName -> keepScreenOn(settingsAdapter.keepScreenOn)
-            settingsAdapter.theme::class.simpleName -> updateTheme(settingsAdapter.theme)
-        }
-    }
-
-
-    private fun updateTheme(theme: Theme) {
-
-        val themeValue = when (theme) {
-            Theme.LIGHT -> AppCompatDelegate.MODE_NIGHT_NO
-            Theme.DARK -> AppCompatDelegate.MODE_NIGHT_YES
-            Theme.DEFAULT -> AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
-        }
-
-        if (themeValue != AppCompatDelegate.getDefaultNightMode()) {
-            AppCompatDelegate.setDefaultNightMode(themeValue)
-            delegate.applyDayNight()
-        }
-    }
-
-    private fun keepScreenOn(keepOn: Boolean) {
-        if (keepOn) {
-            window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
-        } else {
-            window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
-        }
-    }
-
-    private fun setLanguage(language: Language) {
-        val currentLocale = AppCompatDelegate.getApplicationLocales()[0].toString()
-
-        if (language.value != currentLocale) {
-            val newLocale = LocaleListCompat.forLanguageTags(language.value)
-            AppCompatDelegate.setApplicationLocales(newLocale)
-        }
-    }
-}

app/src/main/java/me/zobrist/tichucounter/MainActivity.kt

@@ -1,9 +1,12 @@
 package me.zobrist.tichucounter
 
 import android.os.Bundle
+import android.view.WindowManager
 import androidx.activity.compose.setContent
 import androidx.activity.viewModels
 import androidx.annotation.StringRes
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.app.AppCompatDelegate
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.*
@@ -15,6 +18,7 @@ import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
+import androidx.core.os.LocaleListCompat
 import androidx.navigation.NavDestination.Companion.hierarchy
 import androidx.navigation.NavGraph.Companion.findStartDestination
 import androidx.navigation.NavHostController
@@ -26,8 +30,7 @@ import com.google.accompanist.systemuicontroller.rememberSystemUiController
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
-import me.zobrist.tichucounter.domain.NavigationAction
-import me.zobrist.tichucounter.domain.TopBarAction
+import me.zobrist.tichucounter.domain.*
 import me.zobrist.tichucounter.repository.GameRepository
 import me.zobrist.tichucounter.ui.AppTheme
 import me.zobrist.tichucounter.ui.MainViewModel
@@ -39,11 +42,14 @@ import me.zobrist.tichucounter.ui.settings.SettingsViewModel
 import javax.inject.Inject
 
 @AndroidEntryPoint
-class MainActivity : BaseActivity() {
+class MainActivity : AppCompatActivity(), ISettingsChangeListener {
 
     @Inject
     lateinit var gameRepository: GameRepository
 
+    @Inject
+    lateinit var settingsAdapter: SettingsAdapter
+
     private val counterViewModel: CounterViewModel by viewModels()
     private val historyViewModel: HistoryViewModel by viewModels()
     private val settingsViewModel: SettingsViewModel by viewModels()
@@ -53,6 +59,8 @@ class MainActivity : BaseActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
+        settingsAdapter.registerOnChangeListener(this)
+
         setContent {
             AppTheme {
                 val systemUiController = rememberSystemUiController()
@@ -62,6 +70,41 @@ class MainActivity : BaseActivity() {
         }
     }
 
+    override fun onDestroy() {
+        super.onDestroy()
+        settingsAdapter.unregisterOnChangeListener(this)
+    }
+
+    override fun onLanguageChanged(language: Language) {
+        val currentLocale = AppCompatDelegate.getApplicationLocales()[0].toString()
+
+        if (language.value != currentLocale) {
+            val newLocale = LocaleListCompat.forLanguageTags(language.value)
+            AppCompatDelegate.setApplicationLocales(newLocale)
+        }
+    }
+
+    override fun onThemeChanged(theme: Theme) {
+        val themeValue = when (theme) {
+            Theme.LIGHT -> AppCompatDelegate.MODE_NIGHT_NO
+            Theme.DARK -> AppCompatDelegate.MODE_NIGHT_YES
+            Theme.DEFAULT -> AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
+        }
+
+        if (themeValue != AppCompatDelegate.getDefaultNightMode()) {
+            AppCompatDelegate.setDefaultNightMode(themeValue)
+            delegate.applyDayNight()
+        }
+    }
+
+    override fun onScreenOnChanged(keepOn: KeepScreenOn) {
+        if (keepOn.value) {
+            window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+        } else {
+            window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+        }
+    }
+
     @OptIn(ExperimentalMaterial3Api::class)
     @Composable
     fun MyScaffoldLayout(

app/src/main/java/me/zobrist/tichucounter/domain/SettingsAdapter.kt

@@ -5,36 +5,89 @@ import androidx.appcompat.app.AppCompatDelegate.getApplicationLocales
 import androidx.preference.PreferenceManager
 import dagger.hilt.android.qualifiers.ApplicationContext
 import javax.inject.Inject
+import javax.inject.Singleton
 
 enum class Theme { DEFAULT, DARK, LIGHT }
 enum class Language(val value: String) { ENGLISH("en"), GERMAN("de") }
+enum class KeepScreenOn(val value: Boolean) { ON(true), OFF(false) }
 
+interface ISettingsChangeListener {
+    fun onLanguageChanged(language: Language)
+    fun onThemeChanged(theme: Theme)
+    fun onScreenOnChanged(keepOn: KeepScreenOn)
+}
 
+@Singleton
 class SettingsAdapter @Inject constructor(@ApplicationContext private val context: Context) {
 
     private val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+    private var listenerList = mutableListOf<ISettingsChangeListener>()
 
-    val language: Language
-        get() {
-            return try {
-                var setting = sharedPreferences.getString(Language::class.simpleName, null)
-                enumValueOf(setting!!)
+    var language: Language
+        private set
+
+    var theme: Theme
+        private set
+
+    var keepScreenOn: KeepScreenOn
+        private set
+
+    init {
+        language = try {
+            enumValueOf(sharedPreferences.getString(Language::class.simpleName, null)!!)
         } catch (_: NullPointerException) {
-                val current = getCurrentAppLanguage()
-                setLanguage(current)
-                current
+            getCurrentAppLanguage()
+        }
+
+        theme = try {
+            enumValueOf(sharedPreferences.getString(Theme::class.simpleName, null)!!)
+        } catch (_: java.lang.Exception) {
+            Theme.DEFAULT
+        }
+
+        keepScreenOn = try {
+            enumValueOf(sharedPreferences.getString(KeepScreenOn::class.simpleName, null)!!)
+        } catch (_: java.lang.Exception) {
+            KeepScreenOn.OFF
         }
     }
 
-    val theme: Theme
-        get() {
-            val setting = sharedPreferences.getString(Theme::class.simpleName, Theme.DEFAULT.name)
-            return enumValueOf(setting!!)
+    fun registerOnChangeListener(listener: ISettingsChangeListener) {
+        listenerList.add(listener)
+
+        listener.onThemeChanged(theme)
+        listener.onLanguageChanged(language)
+        listener.onScreenOnChanged(keepScreenOn)
     }
 
-    val keepScreenOn: Boolean
-        get() {
-            return sharedPreferences.getBoolean("keep_screen_on", false)
+    fun unregisterOnChangeListener(listener: ISettingsChangeListener?) {
+        if (listener != null) {
+            listenerList.remove(listener)
+        }
+    }
+
+    fun setLanguage(language: Language) {
+        this.language = language
+        updatePreference(Language::class.simpleName, language.name)
+        notifyListeners(language)
+    }
+
+    fun setTheme(theme: Theme) {
+        this.theme = theme
+        updatePreference(Theme::class.simpleName, theme.name)
+        notifyListeners(theme)
+    }
+
+    fun setKeepScreenOn(setting: KeepScreenOn) {
+        this.keepScreenOn = setting
+        updatePreference(KeepScreenOn::class.simpleName, setting.name)
+        notifyListeners(setting)
+    }
+
+    private fun updatePreference(name: String?, value: String) {
+        val editor = sharedPreferences.edit()
+        editor.putString(name, value)
+        editor.apply()
     }
 
     private fun getCurrentAppLanguage(): Language {
@@ -44,22 +97,22 @@ class SettingsAdapter @Inject constructor(@ApplicationContext private val contex
         }
     }
 
-    fun setLanguage(language: Language) {
-        val editor = sharedPreferences.edit()
-        editor.putString(Language::class.simpleName, language.name)
-        editor.apply()
+    private fun notifyListeners(language: Language) {
+        listenerList.forEach {
+            it.onLanguageChanged(language)
+        }
     }
 
-    fun setTheme(theme: Theme) {
-        val editor = sharedPreferences.edit()
-        editor.putString(Theme::class.simpleName, theme.name)
-        editor.apply()
+    private fun notifyListeners(theme: Theme) {
+        listenerList.forEach {
+            it.onThemeChanged(theme)
+        }
     }
 
-    fun setKeepScreenOn(setting: Boolean) {
-        val editor = sharedPreferences.edit()
-        editor.putBoolean("keep_screen_on", setting)
-        editor.apply()
+    private fun notifyListeners(keepScreenOn: KeepScreenOn) {
+        listenerList.forEach {
+            it.onScreenOnChanged(keepScreenOn)
+        }
     }
 
 }

app/src/main/java/me/zobrist/tichucounter/ui/settings/SettingsView.kt

@@ -18,6 +18,7 @@ import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import me.zobrist.tichucounter.R
+import me.zobrist.tichucounter.domain.KeepScreenOn
 import me.zobrist.tichucounter.domain.Language
 import me.zobrist.tichucounter.domain.Theme
 import me.zobrist.tichucounter.ui.AppTheme
@@ -38,7 +39,7 @@ val themeMap = mapOf(
 @Composable
 fun SettingsView(viewModel: SettingsViewModel) {
     SettingsView(
-        viewModel.screenOn,
+        viewModel.screenOn.value,
         viewModel.language,
         viewModel.theme,
         { viewModel.updateScreenOn(it) },
@@ -51,7 +52,7 @@ fun SettingsView(
     valueScreenOn: Boolean = true,
     valueLanguage: Language = Language.ENGLISH,
     valueTheme: Theme = Theme.DARK,
-    updateScreenOn: (Boolean) -> Unit = {},
+    updateScreenOn: (KeepScreenOn) -> Unit = {},
     updateLanguage: (Language) -> Unit = {},
     updateTheme: (Theme) -> Unit = {}
 ) {
@@ -59,7 +60,7 @@ fun SettingsView(
         BooleanSetting(
             stringResource(R.string.keep_screen_on),
             valueScreenOn
-        ) { updateScreenOn(it) }
+        ) { updateScreenOn(if (it) KeepScreenOn.ON else KeepScreenOn.OFF) }
 
         StringSetting(
             stringResource(R.string.choose_language_text),

app/src/main/java/me/zobrist/tichucounter/ui/settings/SettingsViewModel.kt

@@ -5,6 +5,7 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import androidx.lifecycle.ViewModel
 import dagger.hilt.android.lifecycle.HiltViewModel
+import me.zobrist.tichucounter.domain.KeepScreenOn
 import me.zobrist.tichucounter.domain.Language
 import me.zobrist.tichucounter.domain.SettingsAdapter
 import me.zobrist.tichucounter.domain.Theme
@@ -20,7 +21,7 @@ class SettingsViewModel @Inject constructor(private val settings: SettingsAdapte
     var theme by mutableStateOf(settings.theme)
         private set
 
-    var screenOn by mutableStateOf(false)
+    var screenOn by mutableStateOf(settings.keepScreenOn)
         private set
 
     fun updateLanguage(language: Language) {
@@ -33,7 +34,7 @@ class SettingsViewModel @Inject constructor(private val settings: SettingsAdapte
         this.theme = settings.theme
     }
 
-    fun updateScreenOn(value: Boolean) {
+    fun updateScreenOn(value: KeepScreenOn) {
         settings.setKeepScreenOn(value)
         screenOn = settings.keepScreenOn
     }