Feat: Added font selection to select font used throughout the launcher

Signed-off-by: HeCodes2Much <wayne6324@gmail.com>

app/src/main/java/com/github/droidworksstudio/common/FragmentExtensions.kt

@@ -28,10 +28,4 @@ fun Fragment.showLongToast(message: String) {
 
 fun Fragment.showShortToast(message: String) {
     Toast.makeText(requireContext(), message, Toast.LENGTH_SHORT).show()
-}
-
-fun Fragment.restartApp() {
-    val intent = Intent(requireContext(), MainActivity::class.java)
-    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK)
-    requireContext().startActivity(intent)
 }

app/src/main/java/com/github/droidworksstudio/launcher/Application.kt

@@ -1,6 +1,11 @@
 package com.github.droidworksstudio.launcher
 
 import android.app.Application
+import android.content.Context
+import android.graphics.Typeface
+import android.os.Build
+import androidx.annotation.RequiresApi
+import com.github.droidworksstudio.launcher.helper.PreferenceHelper
 import dagger.hilt.android.HiltAndroidApp
 import org.acra.ACRA
 import org.acra.ReportField
@@ -8,13 +13,21 @@ import org.acra.config.dialog
 import org.acra.config.mailSender
 import org.acra.data.StringFormat
 import org.acra.ktx.initAcra
+import javax.inject.Inject
 
 
 @HiltAndroidApp
 class Application : Application() {
+
+    @Inject
+    lateinit var preferenceHelper: PreferenceHelper
+
+    @RequiresApi(Build.VERSION_CODES.O)
     override fun onCreate() {
         super.onCreate()
 
+        setCustomFont(applicationContext)
+
         val pkgName = getString(R.string.app_name)
         val pkgVersion = this.packageManager.getPackageInfo(
             this.packageName,
@@ -64,4 +77,31 @@ class Application : Application() {
             }
         }
     }
+
+    @RequiresApi(Build.VERSION_CODES.O)
+    private fun setCustomFont(context: Context) {
+        // Load the custom font from resources
+        val customFont = preferenceHelper.launcherFont.getFont(context)
+
+        // Apply the custom font to different font families
+        if (customFont != null) {
+            TypefaceUtil.setDefaultFont("DEFAULT", customFont)
+            TypefaceUtil.setDefaultFont("MONOSPACE", customFont)
+            TypefaceUtil.setDefaultFont("SERIF", customFont)
+            TypefaceUtil.setDefaultFont("SANS_SERIF", customFont)
+        }
+    }
+}
+
+object TypefaceUtil {
+
+    fun setDefaultFont(staticTypefaceFieldName: String, fontAssetName: Typeface) {
+        try {
+            val staticField = Typeface::class.java.getDeclaredField(staticTypefaceFieldName)
+            staticField.isAccessible = true
+            staticField.set(null, fontAssetName)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
 }

app/src/main/java/com/github/droidworksstudio/launcher/adapter/font/FontAdapter.kt

@@ -0,0 +1,48 @@
+package com.github.droidworksstudio.launcher.adapter.font
+
+import android.content.Context
+import android.graphics.Typeface
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ArrayAdapter
+import android.widget.TextView
+import androidx.core.content.res.ResourcesCompat
+import com.github.droidworksstudio.launcher.R
+import com.github.droidworksstudio.launcher.utils.Constants
+
+class FontAdapter(
+    context: Context,
+    private val items: Array<Constants.Fonts>,
+    private val itemStrings: Array<String>
+) : ArrayAdapter<String>(context, android.R.layout.simple_list_item_1, itemStrings) {
+
+    override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
+        val view = convertView ?: LayoutInflater.from(context).inflate(android.R.layout.simple_list_item_1, parent, false)
+        val textView = view.findViewById<TextView>(android.R.id.text1)
+
+        textView.text = itemStrings[position]
+
+        // Set custom font based on the item
+        val typeface = getCustomTypefaceForItem(context, items[position])
+        textView.typeface = typeface
+
+        return view
+    }
+
+    private fun getCustomTypefaceForItem(context: Context, item: Constants.Fonts): Typeface? {
+        return when (item) {
+            Constants.Fonts.Roboto -> ResourcesCompat.getFont(context, R.font.roboto)
+            Constants.Fonts.OpenSans -> ResourcesCompat.getFont(context, R.font.open_sans)
+            Constants.Fonts.Lato -> ResourcesCompat.getFont(context, R.font.lato)
+            Constants.Fonts.Montserrat -> ResourcesCompat.getFont(context, R.font.montserrat)
+            Constants.Fonts.Merriweather -> ResourcesCompat.getFont(context, R.font.montserrat)
+            Constants.Fonts.DroidSans -> ResourcesCompat.getFont(context, R.font.droid_sans)
+            Constants.Fonts.Raleway -> ResourcesCompat.getFont(context, R.font.open_sans)
+            Constants.Fonts.SourceCodePro -> ResourcesCompat.getFont(context, R.font.open_sans)
+            Constants.Fonts.Quicksand -> ResourcesCompat.getFont(context, R.font.quicksand)
+            // Add other fonts as needed
+            else -> Typeface.DEFAULT
+        }
+    }
+}

app/src/main/java/com/github/droidworksstudio/launcher/helper/AppReloader.kt

@@ -0,0 +1,21 @@
+package com.github.droidworksstudio.launcher.helper
+
+import android.content.Context
+import android.content.Intent
+import android.os.Handler
+import android.os.Looper
+
+object AppReloader {
+    fun restartApp(context: Context) {
+        val packageManager = context.packageManager
+        val intent = packageManager.getLaunchIntentForPackage(context.packageName)
+        val componentName = intent?.component
+        val mainIntent = Intent.makeRestartActivityTask(componentName)
+
+        // Delay the restart slightly to ensure all current activities are finished
+        Handler(Looper.getMainLooper()).post {
+            context.startActivity(mainIntent)
+            Runtime.getRuntime().exit(0)
+        }
+    }
+}

app/src/main/java/com/github/droidworksstudio/launcher/helper/PreferenceHelper.kt

@@ -153,6 +153,21 @@ class PreferenceHelper @Inject constructor(@ApplicationContext context: Context)
         }
         set(value) = prefs.edit().putString(Constants.SEARCH_ENGINE, value.name).apply()
 
+    var launcherFont: Constants.Fonts
+        get() {
+            return try {
+                Constants.Fonts.valueOf(
+                    prefs.getString(
+                        Constants.LAUNCHER_FONT,
+                        Constants.Fonts.System.name
+                    ).toString()
+                )
+            } catch (_: Exception) {
+                Constants.Fonts.System
+            }
+        }
+        set(value) = prefs.edit().putString(Constants.LAUNCHER_FONT, value.name).apply()
+
     var swipeUpAction: Constants.Action
         get() = loadAction(Constants.SWIPE_UP_ACTION, Constants.Action.ShowRecents)
         set(value) = storeAction(Constants.SWIPE_UP_ACTION, value)

app/src/main/java/com/github/droidworksstudio/launcher/ui/settings/SettingsFragment.kt

@@ -4,19 +4,23 @@ import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.appcompat.app.AlertDialog
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
 import androidx.navigation.NavController
 import androidx.navigation.fragment.findNavController
 import com.github.droidworksstudio.common.resetDefaultLauncher
-import com.github.droidworksstudio.common.restartApp
 import com.github.droidworksstudio.launcher.utils.Constants
 import com.github.droidworksstudio.launcher.R
+import com.github.droidworksstudio.launcher.adapter.font.FontAdapter
 import com.github.droidworksstudio.launcher.databinding.FragmentSettingsBinding
 import com.github.droidworksstudio.launcher.helper.AppHelper
+import com.github.droidworksstudio.launcher.helper.AppReloader
 import com.github.droidworksstudio.launcher.helper.PreferenceHelper
 import com.github.droidworksstudio.launcher.listener.OnSwipeTouchListener
 import com.github.droidworksstudio.launcher.listener.ScrollEventListener
@@ -80,6 +84,7 @@ class SettingsFragment : Fragment(),
         )
 
         binding.miscellaneousSearchEngineControl.text = preferenceHelper.searchEngines.getString(context)
+        binding.miscellaneousLauncherFontsControl.text = preferenceHelper.launcherFont.getString(context)
 
         binding.gesturesDoubleTapControl.text = preferenceHelper.doubleTapAction.getString(context)
         binding.gesturesSwipeUpControl.text = preferenceHelper.swipeUpAction.getString(context)
@@ -164,7 +169,7 @@ class SettingsFragment : Fragment(),
 
         binding.restoreView.setOnClickListener {
             appHelper.restoreSharedPreferences(requireContext())
-            restartApp()
+            AppReloader.restartApp(context)
         }
     }
 
@@ -215,6 +220,10 @@ class SettingsFragment : Fragment(),
             showSearchEngineDialog()
         }
 
+        binding.miscellaneousLauncherFontsControl.setOnClickListener {
+            showLauncherFontDialog()
+        }
+
         binding.gesturesDoubleTapControl.setOnClickListener {
             swipeActionClickEvent(Constants.Swipe.DoubleTap)
         }
@@ -251,24 +260,67 @@ class SettingsFragment : Fragment(),
         }
     }
 
+    private var searchEngineDialog: AlertDialog? = null
+
     private fun showSearchEngineDialog() {
+        // Dismiss any existing dialog to prevent multiple dialogs open simultaneously
+        searchEngineDialog?.dismiss()
         // Get the array of SearchEngines enum values
         val items = Constants.SearchEngines.entries.toTypedArray()
 
         // Map the enum values to their string representations
         val itemStrings = items.map { it.getString(context) }.toTypedArray()
 
-        val dialog = MaterialAlertDialogBuilder(context)
+        val dialogBuilder = MaterialAlertDialogBuilder(context)
 
-        dialog.setTitle("Select a Search Engine")
-        dialog.setItems(itemStrings) { _, which ->
+        dialogBuilder.setTitle(getString(R.string.settings_select_search_engine))
+        dialogBuilder.setItems(itemStrings) { _, which ->
             val selectedItem = items[which]
             preferenceViewModel.setSearchEngine(selectedItem)
             binding.miscellaneousSearchEngineControl.text = preferenceHelper.searchEngines.name
         }
-        dialog.show()
+        // Assign the created dialog to launcherFontDialog
+        searchEngineDialog = dialogBuilder.create()
+        searchEngineDialog?.show()
     }
 
+    private var launcherFontDialog: AlertDialog? = null
+
+    private fun showLauncherFontDialog() {
+        // Dismiss any existing dialog to prevent multiple dialogs open simultaneously
+        launcherFontDialog?.dismiss()
+
+        // Get the array of SearchEngines enum values
+        val items = Constants.Fonts.entries.toTypedArray()
+
+        // Map the enum values to their string representations
+        val itemStrings = items.map { it.getString(context) }.toTypedArray()
+
+        val dialogBuilder = MaterialAlertDialogBuilder(context)
+        dialogBuilder.setTitle(getString(R.string.settings_select_launcher_font))
+        dialogBuilder.setAdapter(FontAdapter(context, items, itemStrings)) { _, which ->
+            val selectedItem = items[which]
+            preferenceViewModel.setLauncherFont(selectedItem)
+            binding.miscellaneousLauncherFontsControl.text = preferenceHelper.launcherFont.name
+
+            // Delay the restart slightly to ensure preferences are saved
+            Handler(Looper.getMainLooper()).postDelayed({
+                AppReloader.restartApp(context)
+            }, 500) // Delay in milliseconds (e.g., 500ms)
+        }
+
+        // Assign the created dialog to launcherFontDialog
+        launcherFontDialog = dialogBuilder.create()
+        launcherFontDialog?.show()
+    }
+
+    // Add this function to dismiss the dialog if it's showing
+    private fun dismissDialogs() {
+        launcherFontDialog?.dismiss()
+        searchEngineDialog?.dismiss()
+    }
+
+
     private fun swipeActionClickEvent(swipe: Constants.Swipe) {
         // Get the array of Action enum values
         val actions = Constants.Action.entries.toTypedArray()
@@ -319,4 +371,10 @@ class SettingsFragment : Fragment(),
         }
         dialog.show()
     }
+
+    override fun onStop() {
+        super.onStop()
+        dismissDialogs()
+    }
+
 }

app/src/main/java/com/github/droidworksstudio/launcher/utils/Constants.kt

@@ -1,6 +1,8 @@
 package com.github.droidworksstudio.launcher.utils
 
 import android.content.Context
+import android.graphics.Typeface
+import androidx.core.content.res.ResourcesCompat
 import com.github.droidworksstudio.launcher.R
 
 object Constants {
@@ -75,6 +77,8 @@ object Constants {
     const val URL_GOOGLE_PLAY_STORE = "https://play.google.com/store/search?c=apps&q"
     const val APP_GOOGLE_PLAY_STORE = "market://search?c=apps&q"
 
+    const val LAUNCHER_FONT = "LAUNCHER_FONT"
+
     const val REQUEST_INSTALL_PERMISSION = 123
     const val REQUEST_LOCATION_PERMISSION_CODE = 246
 
@@ -158,4 +162,47 @@ object Constants {
             }
         }
     }
+
+    enum class Fonts {
+        System,
+        Roboto,
+        OpenSans,
+        Lato,
+        Montserrat,
+        Merriweather,
+        DroidSans,
+        Raleway,
+        SourceCodePro,
+        Quicksand;
+
+        fun getFont(context: Context): Typeface? {
+            return when (this) {
+                System -> Typeface.DEFAULT
+                Roboto -> ResourcesCompat.getFont(context, R.font.roboto)
+                OpenSans -> ResourcesCompat.getFont(context, R.font.open_sans)
+                Lato -> ResourcesCompat.getFont(context, R.font.lato)
+                Montserrat -> ResourcesCompat.getFont(context, R.font.montserrat)
+                Merriweather -> ResourcesCompat.getFont(context, R.font.merriweather)
+                DroidSans -> ResourcesCompat.getFont(context, R.font.open_sans)
+                Raleway -> ResourcesCompat.getFont(context, R.font.raleway)
+                SourceCodePro -> ResourcesCompat.getFont(context, R.font.source_code_pro)
+                Quicksand -> ResourcesCompat.getFont(context, R.font.quicksand)
+            }
+        }
+
+        fun getString(context: Context): String {
+            return when (this) {
+                System -> context.getString(R.string.settings_font_system)
+                Roboto -> context.getString(R.string.settings_font_roboto)
+                OpenSans -> context.getString(R.string.settings_font_opensans)
+                Lato -> context.getString(R.string.settings_font_lato)
+                Montserrat -> context.getString(R.string.settings_font_montserrat)
+                Merriweather -> context.getString(R.string.settings_font_merriweather)
+                DroidSans -> context.getString(R.string.settings_font_droidsans)
+                Raleway -> context.getString(R.string.settings_font_raleway)
+                SourceCodePro -> context.getString(R.string.settings_font_sourcecodepro)
+                Quicksand -> context.getString(R.string.settings_font_quicksand)
+            }
+        }
+    }
 }

app/src/main/java/com/github/droidworksstudio/launcher/viewmodel/PreferenceViewModel.kt

@@ -46,6 +46,7 @@ class PreferenceViewModel @Inject constructor(
     private val batteryOrderNumberLiveData: MutableLiveData<Int> = MutableLiveData()
 
     private val searchEngineLiveData: MutableLiveData<Constants.SearchEngines> = MutableLiveData()
+    private val launcherFontLiveData: MutableLiveData<Constants.Fonts> = MutableLiveData()
     private val doubleTapActionLiveData: MutableLiveData<Constants.Action> = MutableLiveData()
     private val swipeUpActionLiveData: MutableLiveData<Constants.Action> = MutableLiveData()
     private val swipeDownActionLiveData: MutableLiveData<Constants.Action> = MutableLiveData()
@@ -236,4 +237,9 @@ class PreferenceViewModel @Inject constructor(
         preferenceHelper.searchEngines = searchEngine
         searchEngineLiveData.postValue((preferenceHelper.searchEngines))
     }
+
+    fun setLauncherFont(launcherFont: Constants.Fonts) {
+        preferenceHelper.launcherFont = launcherFont
+        launcherFontLiveData.postValue((preferenceHelper.launcherFont))
+    }
 }

app/src/main/res/layout/fragment_settings.xml

@@ -566,6 +566,39 @@
                         tools:ignore="RtlHardcoded" />
                 </androidx.appcompat.widget.LinearLayoutCompat>
 
+                <androidx.appcompat.widget.LinearLayoutCompat
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginHorizontal="20dp"
+                    android:layout_marginVertical="10dp"
+                    android:orientation="horizontal"
+                    tools:ignore="MissingConstraints">
+
+                    <androidx.appcompat.widget.AppCompatTextView
+                        android:id="@+id/miscellaneous_launcherFonts_text"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:gravity="left|center"
+                        android:text="@string/settings_launcher_font"
+                        android:textSize="@dimen/text_large"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toTopOf="parent"
+                        tools:ignore="RtlHardcoded"
+                        style="@style/TextDefaultStyle" />
+
+                    <androidx.appcompat.widget.AppCompatTextView
+                        android:id="@+id/miscellaneous_launcherFonts_control"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:gravity="left|center"
+                        android:text="@string/settings_font_system"
+                        android:textSize="@dimen/text_large"
+                        tools:ignore="RtlHardcoded"
+                        style="@style/TextDefaultStyle" />
+
+                </androidx.appcompat.widget.LinearLayoutCompat>
+
             </androidx.appcompat.widget.LinearLayoutCompat>
 
             <androidx.appcompat.widget.LinearLayoutCompat

app/src/main/res/values-night/styles.xml

@@ -2,6 +2,8 @@
     <!-- Base application theme. -->
     <style name="Theme.Launcher" parent="Theme.MaterialComponents.NoActionBar">
 
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="android:windowDisablePreview">true</item>
 
         <!-- Primary brand color. -->
@@ -54,14 +56,20 @@
     <!-- Base application theme. -->
 
     <style name="AppBottomSheetDialogTheme" parent="Theme.Design.BottomSheetDialog">
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="bottomSheetStyle">@style/AppModalStyle</item>
     </style>
 
     <style name="AppModalStyle" parent="Theme.Design.BottomSheetDialog">
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="android:background">@drawable/bottom_dialog_style_night</item>
     </style>
 
     <style name="CustomAlertDialog" parent="ThemeOverlay.MaterialComponents.MaterialAlertDialog">
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="shapeAppearanceOverlay">@style/RoundedCorners</item>
     </style>
 
@@ -71,6 +79,8 @@
     </style>
 
     <style name="TextDefaultStyle" parent="@android:style/TextAppearance.Large">
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="android:shadowColor">?attr/primaryTextShadowColor</item>
         <item name="android:shadowDx">1</item>
         <item name="android:shadowDy">1</item>
@@ -78,6 +88,8 @@
     </style>
 
     <style name="MaterialDialogTheme" parent="Theme.AppCompat.DayNight.Dialog">
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="android:windowAnimationStyle">@android:style/Animation.Dialog</item>
     </style>
 </resources>

app/src/main/res/values/nontranslatable.xml

@@ -24,4 +24,14 @@
     <string name="widget_weather_pressure" translatable="false">Pressure : %d hPa</string>
 
     <string name="acra_email" translatable="false">droidworksstudio@063240.xyz</string>
+
+    <string name="settings_font_roboto" translatable="false">Roboto</string>
+    <string name="settings_font_opensans" translatable="false">Open Sans</string>
+    <string name="settings_font_lato" translatable="false">Lato</string>
+    <string name="settings_font_montserrat" translatable="false">Montserrat</string>
+    <string name="settings_font_merriweather" translatable="false">Merriweather</string>
+    <string name="settings_font_droidsans" translatable="false">Droid Sans</string>
+    <string name="settings_font_raleway" translatable="false">Raleway</string>
+    <string name="settings_font_sourcecodepro" translatable="false">SourceCodePro</string>
+    <string name="settings_font_quicksand" translatable="false">Quicksand</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -85,8 +85,12 @@
     <string name="settings_swipe_left">Swipe Left</string>
     <string name="settings_swipe_right">Swipe Right</string>
 
+    <string name="settings_select_search_engine">Select a Search Engine</string>
     <string name="settings_search_engine">Search Engine</string>
 
+    <string name="settings_select_launcher_font">Select a Font Family</string>
+    <string name="settings_launcher_font">Font Family</string>
+
     <string name="settings_others_share">Share</string>
     <string name="settings_others_feedback">Feedback</string>
     <string name="settings_others_github">Github</string>
@@ -113,6 +117,8 @@
     <string name="settings_units_metric">Metric</string>
     <string name="settings_units_imperial">Imperial</string>
 
+    <string name="settings_font_system">System</string>
+
     <string name="authentication_title">Authentication</string>
     <string name="authentication_subtitle">Log in using your biometric credentials.</string>
     <string name="authentication_cancel">Authentication Cancel</string>

app/src/main/res/values/styles.xml

@@ -2,6 +2,8 @@
     <!-- Base application theme. -->
     <style name="Theme.Launcher" parent="Theme.MaterialComponents.Light.NoActionBar">
 
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="android:windowDisablePreview">true</item>
 
         <!-- Primary brand color. -->
@@ -54,14 +56,20 @@
     <!-- Base application theme. -->
 
     <style name="AppBottomSheetDialogTheme" parent="Theme.Design.Light.BottomSheetDialog">
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="bottomSheetStyle">@style/AppModalStyle</item>
     </style>
 
     <style name="AppModalStyle" parent="Theme.Design.Light.BottomSheetDialog">
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="android:background">@drawable/bottom_dialog_style</item>
     </style>
 
     <style name="CustomAlertDialog" parent="ThemeOverlay.MaterialComponents.MaterialAlertDialog">
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="shapeAppearanceOverlay">@style/RoundedCorners</item>
     </style>
 
@@ -71,6 +79,8 @@
     </style>
 
     <style name="TextDefaultStyle" parent="@android:style/TextAppearance.Large">
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="android:shadowColor">?attr/primaryTextShadowColor</item>
         <item name="android:shadowDx">1</item>
         <item name="android:shadowDy">1</item>
@@ -78,6 +88,8 @@
     </style>
 
     <style name="MaterialDialogTheme" parent="Theme.AppCompat.DayNight.Dialog">
+        <item name="android:fontFamily">@android:fontFamily/system_font</item>
+
         <item name="android:windowAnimationStyle">@android:style/Animation.Dialog</item>
     </style>
 </resources>