rename example

2026-06-01 03:09:19 +02:00
parent 7f3d14a764
commit b5473bfafc
59 changed files with 261 additions and 182 deletions
@@ -0,0 +1,42 @@
+package com.bitcointxoko.gudariwallet.ui
+
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import com.journeyapps.barcodescanner.ScanContract
+import com.journeyapps.barcodescanner.ScanOptions
+
+/**
+ * Launches the zxing-android-embedded scanner activity and calls [onScanned]
+ * with the raw result string, or [onDismiss] if the user cancels.
+ *
+ * Camera permission is handled internally by the scanner activity — no
+ * Accompanist boilerplate needed here.
+ */
+@Composable
+fun QrScannerScreen(
+    onScanned: (String) -> Unit,
+    onDismiss: () -> Unit
+) {
+    val launcher = rememberLauncherForActivityResult(ScanContract()) { result ->
+        val content = result.contents
+        if (content != null) {
+            onScanned(content)
+        } else {
+            onDismiss()
+        }
+    }
+
+    // Launch the scanner as soon as this composable enters the composition.
+    // The scanner activity takes over the screen; when it finishes the result
+    // callback above fires and we navigate away.
+    LaunchedEffect(Unit) {
+        val options = ScanOptions().apply {
+            setDesiredBarcodeFormats(ScanOptions.QR_CODE)
+            setPrompt("")           // no bottom prompt text
+            setBeepEnabled(false)   // wallet apps are usually silent
+            setOrientationLocked(true)
+        }
+        launcher.launch(options)
+    }
+}