Add option to disable screen timeout

Before it was disabled by default

Closes #54

app/src/main/java/com/finnmglas/launcher/Functions.kt

@@ -14,9 +14,12 @@ import android.os.Bundle
 import android.provider.Settings
 import android.util.DisplayMetrics
 import android.view.View
+import android.view.Window
+import android.view.WindowManager
 import android.view.animation.*
 import android.widget.Button
 import android.widget.ImageView
+import android.widget.Switch
 import android.widget.Toast
 import com.finnmglas.launcher.list.ListActivity
 import com.finnmglas.launcher.list.apps.AppsRecyclerAdapter
@@ -50,6 +53,8 @@ const val PREF_VIBRANT = "custom_vibrant"
 const val PREF_WALLPAPER = "background_uri"
 const val PREF_THEME = "theme"
 
+const val PREF_SCREEN_TIMEOUT_DISABLED = "disableTimeout"
+
 const val PREF_STARTED = "startedBefore"
 const val PREF_STARTED_TIME = "firstStartup"
 
@@ -322,13 +327,12 @@ fun resetSettings(context: Context) {
     dominantColor = context.resources.getColor(R.color.finnmglasTheme_background_color)
     vibrantColor = context.resources.getColor(R.color.finnmglasTheme_accent_color)
 
-    launcherPreferences.edit()
+    editor
         .putString(PREF_WALLPAPER, "")
         .putInt(PREF_DOMINANT, dominantColor)
         .putInt(PREF_VIBRANT, vibrantColor)
-        .apply()
-
-    saveTheme("finn")
+        .putString(PREF_THEME, "finn")
+        .putBoolean(PREF_SCREEN_TIMEOUT_DISABLED, false)
 
     // load action defaults
     for (actionKey in ACTIONS)
@@ -337,6 +341,17 @@ fun resetSettings(context: Context) {
     editor.apply()
 }
 
+fun setWindowFlags(window: Window) {
+    window.setFlags(0, 0) // clear flags
+    window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN)
+
+    if (launcherPreferences.getBoolean(PREF_SCREEN_TIMEOUT_DISABLED, false))
+        window.setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,
+            WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+    else window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+}
+
+
 fun pickDefaultApp(action: String, context: Context) : String {
     val arrayResource = when (action) {
         ACTION_UP -> R.array.default_up
@@ -383,6 +398,15 @@ fun setButtonColor(btn: Button, color: Int) {
     // not setting it in any other case (yet), unable to find a good solution
 }
 
+fun setSwitchColor(sw: Switch, trackColor: Int) {
+    if (Build.VERSION.SDK_INT >= 29) {
+        sw.trackDrawable.colorFilter = BlendModeColorFilter(trackColor, BlendMode.MULTIPLY)
+    }
+    else if(Build.VERSION.SDK_INT >= 21) {
+        sw.trackDrawable.colorFilter = PorterDuffColorFilter(trackColor, PorterDuff.Mode.SRC_ATOP)
+    }
+}
+
 // Taken from: https://stackoverflow.com/a/33072575/12787264
 fun manipulateColor(color: Int, factor: Float): Int {
     val a = Color.alpha(color)

app/src/main/java/com/finnmglas/launcher/UIObject.kt

@@ -9,11 +9,7 @@ import android.view.WindowManager
  */
 interface UIObject {
     fun onStart() {
-        if (this is Activity){
-            window.setFlags(0,0) // clear flags
-            window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN)
-            window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
-        }
+        if (this is Activity) setWindowFlags(window)
 
         applyTheme()
         setOnClicks()

app/src/main/java/com/finnmglas/launcher/settings/theme/SettingsFragmentTheme.kt

@@ -113,6 +113,8 @@ class SettingsFragmentTheme : Fragment(), UIObject {
                 settings_theme_custom_button_select.text = getString(R.string.settings_select_image)
         }
 
+        setSwitchColor(settings_launcher_switch_screen_timeout, vibrantColor)
+
         settings_theme_container.setBackgroundColor(dominantColor)
         setButtonColor(settings_theme_finn_button_select, vibrantColor)
         setButtonColor(settings_theme_dark_button_select, vibrantColor)
@@ -154,5 +156,19 @@ class SettingsFragmentTheme : Fragment(), UIObject {
                 context!!
             )
         }
+        settings_launcher_switch_screen_timeout.setOnClickListener { // Toggle screen timeout
+            launcherPreferences.edit()
+                .putBoolean(PREF_SCREEN_TIMEOUT_DISABLED,
+                    !launcherPreferences.getBoolean(PREF_SCREEN_TIMEOUT_DISABLED, false))
+                .apply()
+
+            setWindowFlags(activity!!.window)
+        }
+    }
+
+    override fun adjustLayout() {
+        // visually load settings
+        settings_launcher_switch_screen_timeout.isChecked =
+            launcherPreferences.getBoolean(PREF_SCREEN_TIMEOUT_DISABLED, false)
     }
 }

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

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
+<androidx.constraintlayout.widget.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
@@ -17,7 +17,12 @@
     <ScrollView
         android:id="@+id/settings_theme_scroller"
         android:layout_width="match_parent"
-        android:layout_height="match_parent">
+        android:layout_height="0dp"
+        android:layout_marginBottom="32dp"
+        app:layout_constraintBottom_toTopOf="@id/settings_launcher_text_screen_timeout"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
 
         <LinearLayout
             android:layout_width="match_parent"
@@ -134,4 +139,24 @@
         </LinearLayout>
     </ScrollView>
 
-</LinearLayout>
+    <TextView
+        android:id="@+id/settings_launcher_text_screen_timeout"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="32dp"
+        android:text="Disable screen timeout"
+        android:textSize="16sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <Switch
+        android:id="@+id/settings_launcher_switch_screen_timeout"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:checked="false"
+        android:textSize="18sp"
+        app:layout_constraintBottom_toBottomOf="@id/settings_launcher_text_screen_timeout"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@id/settings_launcher_text_screen_timeout" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>