Added the ability to change fonts and font styles

app/src/main/java/eu/ottop/yamlauncher/AppMenuAdapter.kt

@@ -63,7 +63,7 @@ class AppMenuAdapter(
     }
 
     inner class AppViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
-        private val listItem: FrameLayout = itemView.findViewById(R.id.listItem)
+        val listItem: FrameLayout = itemView.findViewById(R.id.listItem)
         val textView: TextView = listItem.findViewById(R.id.appName)
         val actionMenuLayout: LinearLayout = listItem.findViewById(R.id.actionMenu)
         val editView: LinearLayout = listItem.findViewById(R.id.renameView)
@@ -136,14 +136,15 @@ class AppMenuAdapter(
 
         uiUtils.setItemSpacing(holder.textView)
 
+        uiUtils.setTextFont(holder.textView)
+        holder.textView.setTextColor(sharedPreferenceManager.getTextColor())
+
         // Update the application information (allows updating apps to work)
         val appInfo = appUtils.getAppInfo(
             app.first.applicationInfo.packageName,
             app.third
         )
 
-        holder.textView.setTextColor(sharedPreferenceManager.getTextColor())
-
         // Set app name on the menu. If the app has been uninstalled, replace it with "Removing" until the app menu updates.
         val appLabel: CharSequence = appInfo?.let { activity.packageManager.getApplicationLabel(it) } ?: "Removing..."
 

app/src/main/java/eu/ottop/yamlauncher/MainActivity.kt

@@ -296,6 +296,10 @@ class MainActivity : AppCompatActivity(), SharedPreferences.OnSharedPreferenceCh
         uiUtils.setMenuItemColors(searchView)
         uiUtils.setMenuItemColors(binding.menuTitle, "A9")
 
+        uiUtils.setTextFont(binding.homeView)
+        uiUtils.setFont(searchView)
+        uiUtils.setFont(binding.menuTitle)
+
         uiUtils.setClockVisibility(clock)
         uiUtils.setDateVisibility(dateText)
         uiUtils.setSearchVisibility(searchView, binding.searchReplacement)
@@ -432,6 +436,18 @@ class MainActivity : AppCompatActivity(), SharedPreferences.OnSharedPreferenceCh
                     uiUtils.setMenuItemColors(binding.menuTitle, "A9")
                 }
 
+                "textFont" -> {
+                    uiUtils.setTextFont(binding.homeView)
+                    uiUtils.setFont(searchView)
+                    uiUtils.setFont(binding.menuTitle)
+                }
+
+                "textStyle" -> {
+                    uiUtils.setTextFont(binding.homeView)
+                    uiUtils.setFont(searchView)
+                    uiUtils.setFont(binding.menuTitle)
+                }
+
                 "clockEnabled" -> {
                     uiUtils.setClockVisibility(clock)
                 }

app/src/main/java/eu/ottop/yamlauncher/settings/SharedPreferenceManager.kt

@@ -3,6 +3,8 @@ package eu.ottop.yamlauncher.settings
 import android.app.AlertDialog
 import android.content.Context
 import android.graphics.Color
+import android.os.Handler
+import android.os.Looper
 import android.util.TypedValue
 import android.widget.TextView
 import androidx.fragment.app.FragmentActivity
@@ -30,7 +32,6 @@ class SharedPreferenceManager (private val context: Context) {
         return Color.parseColor(textColor)
     }
 
-
     private fun getThemeColor(attr: Int): Int {
         val typedValue = TypedValue()
         val theme = context.theme
@@ -38,6 +39,14 @@ class SharedPreferenceManager (private val context: Context) {
         return typedValue.data
     }
 
+    fun getTextFont(): String? {
+        return preferences.getString("textFont", "system")
+    }
+
+    fun getTextStyle(): String? {
+        return preferences.getString("textStyle", "normal")
+    }
+
     fun isBarVisible(): Boolean {
         return preferences.getBoolean("barVisibility", false)
     }
@@ -247,10 +256,14 @@ class SharedPreferenceManager (private val context: Context) {
         editor.clear()
         editor.apply()
 
+        // We need to navigate through the fragments to apply all settings properly
         activity.supportFragmentManager
             .beginTransaction()
             .replace(R.id.settingsLayout, UISettingsFragment())
             .commit()
+        // The swapping after ui settings needs to be delayed or font changes don't work in app menu
+        val handler = Handler(Looper.getMainLooper())
+        handler.postDelayed({
             activity.supportFragmentManager
                 .beginTransaction()
                 .replace(R.id.settingsLayout, HomeSettingsFragment())
@@ -263,5 +276,6 @@ class SharedPreferenceManager (private val context: Context) {
                 .beginTransaction()
                 .replace(R.id.settingsLayout, SettingsFragment())
                 .commit()
+        }, 50)
     }
 }

app/src/main/java/eu/ottop/yamlauncher/utils/UIUtils.kt

@@ -4,6 +4,7 @@ import android.content.Context
 import android.graphics.BlendMode
 import android.graphics.BlendModeColorFilter
 import android.graphics.Color
+import android.graphics.Typeface
 import android.util.TypedValue
 import android.view.Gravity
 import android.view.View
@@ -50,7 +51,6 @@ class UIUtils(private val context: Context) {
                     BlendModeColorFilter(sharedPreferenceManager.getTextColor(), BlendMode.SRC_ATOP)
                 view.compoundDrawables[2]?.colorFilter =
                     BlendModeColorFilter(sharedPreferenceManager.getTextColor(), BlendMode.SRC_ATOP)
-
             }
             else -> {
                 view.setBackgroundColor(color)
@@ -62,28 +62,56 @@ class UIUtils(private val context: Context) {
         return try {
             view.javaClass.getMethod(methodName, Int::class.java)
             true
-        } catch (e: NoSuchMethodException) {
+        } catch (_: NoSuchMethodException) {
             false
         }
     }
 
     fun setMenuItemColors(view: TextView, alphaHex: String = "FF") {
-        val viewTreeObserver = view.viewTreeObserver
-
-        val globalLayoutListener = object : ViewTreeObserver.OnGlobalLayoutListener {
-            override fun onGlobalLayout() {
-                view.viewTreeObserver.removeOnGlobalLayoutListener(this)
         val color = sharedPreferenceManager.getTextColor()
         view.setTextColor(setAlpha(color, alphaHex))
         view.setHintTextColor(setAlpha(color, "A9"))
 
         view.compoundDrawables[0]?.mutate()?.colorFilter = BlendModeColorFilter(color, BlendMode.SRC_ATOP)
+    }
 
+    fun setTextFont(view: View) {
+
+        when {
+            view is ViewGroup -> {
+                view.children.forEach { child ->
+                    setTextFont(child)
+                }
+            }
+            hasMethod(view, "setTextAppearance") -> {
+                setFont(view as TextView)
+            }
         }
     }
 
-        if (viewTreeObserver.isAlive) {
-            viewTreeObserver.addOnGlobalLayoutListener(globalLayoutListener)
+    fun setFont(view: TextView) {
+        var font = sharedPreferenceManager.getTextFont()
+        val style = sharedPreferenceManager.getTextStyle()
+
+        if (font == "system") {
+            val typedArray = context.obtainStyledAttributes(android.R.style.TextAppearance_DeviceDefault, intArrayOf(android.R.attr.fontFamily))
+            font = typedArray.getString(0)
+            typedArray.recycle()
+        }
+
+        when (style) {
+            "normal" -> {
+                view.setTypeface(Typeface.create(font, Typeface.NORMAL))
+            }
+            "bold" -> {
+                view.setTypeface(Typeface.create(font, Typeface.BOLD))
+            }
+            "italic" -> {
+                view.setTypeface(Typeface.create(font, Typeface.ITALIC))
+            }
+            "bold-italic" -> {
+                view.setTypeface(Typeface.create(font, Typeface.BOLD_ITALIC))
+            }
         }
     }
 

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

@@ -99,7 +99,7 @@
                 android:layout_marginHorizontal="32dp"
                 android:layout_marginTop="45dp"
                 android:layout_marginBottom="27dp"
-                android:fontFamily="@null"
+                android:fontFamily="More Fonts..."
                 android:format12Hour="hh:mm"
                 android:format24Hour="HH:mm"
                 android:textAlignment="textStart"
@@ -115,7 +115,6 @@
                 android:id="@+id/textDate"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
-                android:fontFamily="@null"
                 android:format12Hour="dd MMM yyyy"
                 android:format24Hour="dd MMM yyyy"
                 android:lineSpacingExtra="8sp"

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

@@ -31,6 +31,56 @@
         <item>material</item>
     </string-array>
 
+    <string-array name="font_options">
+        <item>System</item>
+        <item>Casual</item>
+        <item>Cursive</item>
+        <item>Monospace</item>
+        <item>Sans Serif</item>
+        <item>Sans Serif Black</item>
+        <item>Sans Serif Condensed</item>
+        <item>Sans Serif Condensed Light</item>
+        <item>Sans Serif Condensed Medium</item>
+        <item>Sans Serif Light</item>
+        <item>Sans Serif Medium</item>
+        <item>Sans Serif Smallcaps</item>
+        <item>Sans Serif Thin</item>
+        <item>Serif</item>
+        <item>Serif Monospace</item>
+    </string-array>
+
+    <string-array name="font_values">
+        <item>system</item>
+        <item>casual</item>
+        <item>cursive</item>
+        <item>monospace</item>
+        <item>sans-serif</item>
+        <item>sans-serif-black</item>
+        <item>sans-serif-condensed</item>
+        <item>sans-serif-condensed-light</item>
+        <item>sans-serif-condensed-medium</item>
+        <item>sans-serif-light</item>
+        <item>sans-serif-medium</item>
+        <item>sans-serif-smallcaps</item>
+        <item>sans-serif-thin</item>
+        <item>serif</item>
+        <item>serif-monospace</item>
+    </string-array>
+
+    <string-array name="style_options">
+        <item>Normal</item>
+        <item>Bold</item>
+        <item>Italic</item>
+        <item>Bold-Italic</item>
+    </string-array>
+
+    <string-array name="style_values">
+        <item>normal</item>
+        <item>bold</item>
+        <item>italic</item>
+        <item>bold-italic</item>
+    </string-array>
+
     <string-array name="animation_options">
         <item>0.25x</item>
         <item>0.5x</item>

app/src/main/res/xml/ui_preferences.xml

@@ -4,7 +4,7 @@
     <PreferenceCategory
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:title="Colors"
+        android:title="Appearance"
         app:allowDividerAbove="false">
         <eu.ottop.yamlauncher.settings.SpinnerPreference
             android:layout_width="wrap_content"
@@ -24,6 +24,25 @@
             app:key="textColor"
             app:title="Text Color"
             app:useSimpleSummaryProvider="true" />
+        <eu.ottop.yamlauncher.settings.SpinnerPreference
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:defaultValue="system"
+            android:entries="@array/font_options"
+            android:entryValues="@array/font_values"
+            app:key="textFont"
+            app:title="Text Font"
+            app:useSimpleSummaryProvider="true" />
+
+        <eu.ottop.yamlauncher.settings.SpinnerPreference
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:defaultValue="system"
+            android:entries="@array/style_options"
+            android:entryValues="@array/style_values"
+            app:key="textStyle"
+            app:title="Text Style"
+            app:useSimpleSummaryProvider="true" />
     </PreferenceCategory>
     <PreferenceCategory
         android:title="Operation"