Add Android (native) clipboard support via gomobile

core/clipClearProcessDROID.go

@@ -0,0 +1,34 @@
+//go:build android && !termux
+
+package core
+
+import (
+	"strings"
+	"time"
+
+	"golang.design/x/clipboard"
+)
+
+// clipClearProcess clears the clipboard after 30 seconds if the clipboard contents have not changed.
+// assignedContents can be omitted to clear the clipboard immediately and unconditionally.
+func clipClearProcess(assignedContents string) {
+	clearClipboard := func() {
+		clipboard.Write(clipboard.FmtText, []byte(""))
+		Exit(0)
+	}
+
+	// if assignedContents is empty, clear the clipboard immediately and unconditionally
+	if assignedContents == "" {
+		clearClipboard()
+		return
+	}
+
+	// wait 30 seconds before checking clipboard contents
+	time.Sleep(30 * time.Second)
+
+	newContents := clipboard.Read(clipboard.FmtText)
+
+	if assignedContents == strings.TrimRight(string(newContents), "\r\n") {
+		clearClipboard()
+	}
+}

core/clipClearProcessGeneric.go

@@ -0,0 +1,40 @@
+//go:build !android || termux
+
+package core
+
+import (
+	"strings"
+	"time"
+)
+
+// clipClearProcess clears the clipboard after 30 seconds if the clipboard contents have not changed.
+// assignedContents can be omitted to clear the clipboard immediately and unconditionally.
+func clipClearProcess(assignedContents string) {
+	cmdPaste, cmdClear := getClipCommands()
+
+	clearClipboard := func() {
+		err := cmdClear.Run()
+		if err != nil {
+			PrintError("Failed to clear clipboard", ErrorClipboard, true)
+		}
+		Exit(0)
+	}
+
+	// if assignedContents is empty, clear the clipboard immediately and unconditionally
+	if assignedContents == "" {
+		clearClipboard()
+		return
+	}
+
+	// wait 30 seconds before checking clipboard contents
+	time.Sleep(30 * time.Second)
+
+	newContents, err := cmdPaste.Output()
+	if err != nil {
+		PrintError("Failed to read clipboard contents", ErrorClipboard, true)
+	}
+
+	if assignedContents == strings.TrimRight(string(newContents), "\r\n") {
+		clearClipboard()
+	}
+}

core/copy.go

@@ -69,38 +69,6 @@ func ClipClearArgument() {
 	}
 }
 
-// clipClearProcess clears the clipboard after 30 seconds if the clipboard contents have not changed.
-// assignedContents can be omitted to clear the clipboard immediately and unconditionally.
-func clipClearProcess(assignedContents string) {
-	cmdPaste, cmdClear := getClipCommands()
-
-	clearClipboard := func() {
-		err := cmdClear.Run()
-		if err != nil {
-			PrintError("Failed to clear clipboard", ErrorClipboard, true)
-		}
-		Exit(0)
-	}
-
-	// if assignedContents is empty, clear the clipboard immediately and unconditionally
-	if assignedContents == "" {
-		clearClipboard()
-		return
-	}
-
-	// wait 30 seconds before checking clipboard contents
-	time.Sleep(30 * time.Second)
-
-	newContents, err := cmdPaste.Output()
-	if err != nil {
-		PrintError("Failed to read clipboard contents", ErrorClipboard, true)
-	}
-
-	if assignedContents == strings.TrimRight(string(newContents), "\r\n") {
-		clearClipboard()
-	}
-}
-
 // GenTOTP generates a TOTP token from a secret (supports standard and Steam TOTP).
 func GenTOTP(secret string, time time.Time, forSteam bool) string {
 	var totpToken string

core/copyDROID.go

@@ -3,16 +3,16 @@
 package core
 
 import (
-	"os/exec"
+	"golang.design/x/clipboard"
 )
 
+// TODO Investigate background clipboard clearing and on-app-close clipboard clearing for Android
+
 // copyString copies a string to the clipboard.
 func copyString(continuous bool, copySubject string) {
-	// temporary dummy function to allow Android compilation
-}
+	clipboard.Write(clipboard.FmtText, []byte(copySubject))
 
-// getClipCommands returns the commands for pasting and clearing the clipboard contents.
-func getClipCommands() (*exec.Cmd, *exec.Cmd) {
-	// temporary dummy function to allow Android compilation
-	return nil, nil
+	if !continuous {
+		LaunchClipClearProcess(copySubject)
+	}
 }