Ensure Sonos app is running before trying to use it

sonos-mute-unmute.lbaction/Contents/Scripts/default.scpt

@@ -1,3 +1,14 @@
+if application "Sonos" is not running then
+	tell application "Sonos" to activate
+
+	tell application "System Events"
+		repeat until visible of process "Sonos" is true
+			delay 0.1
+		end repeat
+		delay 1 -- After app becomes visible, wait for it to render its buttons
+	end tell
+end if
+
 tell application "System Events"
 	tell process "Sonos"
 		click button 1 of window 1

sonos-play-pause.lbaction/Contents/Scripts/default.scpt

@@ -1,3 +1,14 @@
+if application "Sonos" is not running then
+	tell application "Sonos" to activate
+
+	tell application "System Events"
+		repeat until visible of process "Sonos" is true
+			delay 0.1
+		end repeat
+		delay 1 -- After app becomes visible, wait for it to render its buttons
+	end tell
+end if
+
 tell application "System Events"
 	tell process "Sonos"
 		click button 3 of window 1

sonos-volume-down.lbaction/Contents/Scripts/default.scpt

@@ -1,3 +1,14 @@
+if application "Sonos" is not running then
+	tell application "Sonos" to activate
+
+	tell application "System Events"
+		repeat until visible of process "Sonos" is true
+			delay 0.1
+		end repeat
+		delay 1 -- After app becomes visible, wait for it to render its buttons
+	end tell
+end if
+
 tell application "System Events"
 	tell process "Sonos"
 		set value of slider 1 of window 1 to get (value of slider 1 of window 1) - 2

sonos-volume-up.lbaction/Contents/Scripts/default.scpt

@@ -1,3 +1,14 @@
+if application "Sonos" is not running then
+	tell application "Sonos" to activate
+
+	tell application "System Events"
+		repeat until visible of process "Sonos" is true
+			delay 0.1
+		end repeat
+		delay 1 -- After app becomes visible, wait for it to render its buttons
+	end tell
+end if
+
 tell application "System Events"
 	tell process "Sonos"
 		set value of slider 1 of window 1 to get (value of slider 1 of window 1) + 2