Implement device volume control actions

using the intent data `launcher:volumeUp` and `launcher:volumeDown`.

Related: #68

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

@@ -8,6 +8,7 @@ import android.content.Intent
 import android.content.SharedPreferences
 import android.content.pm.PackageManager
 import android.graphics.*
+import android.media.AudioManager
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
@@ -30,6 +31,7 @@ import com.finnmglas.launcher.settings.intendedSettingsPause
 import com.finnmglas.launcher.tutorial.TutorialActivity
 import kotlin.math.roundToInt
 
+
 /* Preferences (global, initialised when app is started) */
 lateinit var launcherPreferences: SharedPreferences
 
@@ -154,8 +156,10 @@ fun View.fadeRotateIn(duration: Long = 500L) {
         }
     )
     combined.addAnimation(
-        RotateAnimation(0F, 180F, Animation.RELATIVE_TO_SELF,
-            0.5f, Animation.RELATIVE_TO_SELF,0.5f).also {
+        RotateAnimation(
+            0F, 180F, Animation.RELATIVE_TO_SELF,
+            0.5f, Animation.RELATIVE_TO_SELF, 0.5f
+        ).also {
             it.duration = duration * 2
             it.interpolator = DecelerateInterpolator()
         }
@@ -173,8 +177,10 @@ fun View.fadeRotateOut(duration: Long = 500L) {
         }
     )
     combined.addAnimation(
-        RotateAnimation(0F, 180F, Animation.RELATIVE_TO_SELF,
-            0.5f, Animation.RELATIVE_TO_SELF,0.5f).also {
+        RotateAnimation(
+            0F, 180F, Animation.RELATIVE_TO_SELF,
+            0.5f, Animation.RELATIVE_TO_SELF, 0.5f
+        ).also {
             it.duration = duration
             it.interpolator = AccelerateInterpolator()
         }
@@ -202,13 +208,17 @@ private fun getIntent(packageName: String, context: Context): Intent? {
     return intent
 }
 
-fun launch(data: String, activity: Activity,
-           animationIn: Int = android.R.anim.fade_in, animationOut: Int = android.R.anim.fade_out) {
+fun launch(
+    data: String, activity: Activity,
+    animationIn: Int = android.R.anim.fade_in, animationOut: Int = android.R.anim.fade_out
+) {
 
     if (data.startsWith("launcher:")) // [type]:[info]
         when(data.split(":")[1]) {
             "settings" -> openSettings(activity)
             "choose" -> openAppsList(activity)
+            "volumeUp" -> audioVolumeUp(activity)
+            "volumeDown" -> audioVolumeDown(activity)
             "tutorial" -> openTutorial(activity)
         }
     else launchApp(data, activity) // app
@@ -216,6 +226,28 @@ fun launch(data: String, activity: Activity,
     activity.overridePendingTransition(animationIn, animationOut)
 }
 
+fun audioVolumeUp(activity: Activity) {
+    val audioManager =
+        activity.getSystemService(Context.AUDIO_SERVICE) as AudioManager
+
+    audioManager.adjustStreamVolume(
+        AudioManager.STREAM_MUSIC,
+        AudioManager.ADJUST_RAISE,
+        AudioManager.FLAG_SHOW_UI
+    )
+}
+
+fun audioVolumeDown(activity: Activity) {
+    val audioManager =
+        activity.getSystemService(Context.AUDIO_SERVICE) as AudioManager
+
+    audioManager.adjustStreamVolume(
+        AudioManager.STREAM_MUSIC,
+        AudioManager.ADJUST_LOWER,
+        AudioManager.FLAG_SHOW_UI
+    )
+}
+
 fun launchApp(packageName: String, context: Context) {
     val intent = getIntent(packageName, context)
 
@@ -224,7 +256,8 @@ fun launchApp(packageName: String, context: Context) {
     } else {
         if (isInstalled(packageName, context)){
 
-            AlertDialog.Builder(context,
+            AlertDialog.Builder(
+                context,
                 R.style.AlertDialogCustom
             )
                 .setTitle(context.getString(R.string.alert_cant_open_title))
@@ -240,7 +273,11 @@ fun launchApp(packageName: String, context: Context) {
                 .setIcon(android.R.drawable.ic_dialog_info)
                 .show()
         } else {
-            Toast.makeText( context, context.getString(R.string.toast_cant_open_message), Toast.LENGTH_SHORT).show()
+            Toast.makeText(
+                context,
+                context.getString(R.string.toast_cant_open_message),
+                Toast.LENGTH_SHORT
+            ).show()
         }
     }
 }
@@ -399,14 +436,18 @@ fun setWindowFlags(window: Window) {
 
     // Display notification bar
     if (launcherPreferences.getBoolean(PREF_SCREEN_FULLSCREEN, true))
-        window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
-            WindowManager.LayoutParams.FLAG_FULLSCREEN)
+        window.setFlags(
+            WindowManager.LayoutParams.FLAG_FULLSCREEN,
+            WindowManager.LayoutParams.FLAG_FULLSCREEN
+        )
     else window.clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN)
 
     // Screen Timeout
     if (launcherPreferences.getBoolean(PREF_SCREEN_TIMEOUT_DISABLED, false))
-        window.setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,
-            WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+        window.setFlags(
+            WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,
+            WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
+        )
     else window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
 }
 

app/src/main/java/com/finnmglas/launcher/list/other/OtherRecyclerAdapter.kt

@@ -66,6 +66,14 @@ class OtherRecyclerAdapter(val activity: Activity):
             OtherInfo(activity.getString(R.string.list_other_list),
                 "launcher:choose",
                 activity.getString(R.string.fas_bars)))
+        othersList.add(
+            OtherInfo(activity.getString(R.string.list_other_volume_up),
+                "launcher:volumeUp",
+                activity.getString(R.string.fas_plus)))
+        othersList.add(
+            OtherInfo(activity.getString(R.string.list_other_volume_down),
+                "launcher:volumeDown",
+                activity.getString(R.string.fas_minus)))
     }
 
     /*  */

app/src/main/java/com/finnmglas/launcher/settings/actions/SettingsFragmentActionsRecycler.kt

@@ -104,6 +104,10 @@ class ActionsRecyclerAdapter(val activity: Activity):
                     viewHolder.fontAwesome.text = activity.getString(R.string.fas_settings)
                 "choose" ->
                     viewHolder.fontAwesome.text = activity.getString(R.string.fas_bars)
+                "volumeUp" ->
+                    viewHolder.fontAwesome.text = activity.getString(R.string.fas_plus)
+                "volumeDown" ->
+                    viewHolder.fontAwesome.text = activity.getString(R.string.fas_minus)
             }
         } else {
             // Set image icon (by packageName)

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

@@ -13,6 +13,10 @@
   <string name="fas_trash" translatable="false">&#xf1f8;</string>
   <string name="fas_times" translatable="false">&#xf00d;</string> <!-- 'close' -->
   <string name="fas_three_dots" translatable="false">&#xf142;</string> <!-- 'ellipsis-v' -->
+  <string name="fas_volume_down" translatable="false">&#xf027;</string>
+  <string name="fas_volume_up" translatable="false">&#xf028;</string>
+  <string name="fas_plus" translatable="false">&#xf067;</string>
+  <string name="fas_minus" translatable="false">&#xf068;</string>
 
   <string name="fas_angle_double_left" translatable="false">&#xf100;</string>
   <string name="fas_angle_double_right" translatable="false">&#xf101;</string>

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

@@ -144,6 +144,8 @@
 
     <string name="list_other_settings">Launcher Settings</string>
     <string name="list_other_list">Launcher AppsList</string>
+    <string name="list_other_volume_up">Increase Volume</string>
+    <string name="list_other_volume_down">Decrease Volume</string>
 
     <!--
       -