Don't overwrite the modified Flipper page

HiddenRamblings · May 9, 2024 · cdc00b0 · cdc00b0
1 parent ce887ae
commit cdc00b0
Showing 1 changed file with 17 additions and 13 deletions.
diff --git a/app/src/main/java/com/hiddenramblings/tagmo/nfctech/Flipper.kt b/app/src/main/java/com/hiddenramblings/tagmo/nfctech/Flipper.kt
@@ -49,20 +49,24 @@ object Flipper {
                 .append(Debug.separator).append("Tearing 2: 00")
                 .append(Debug.separator).append("Pages total: 135")
         pages.forEachIndexed{ index, bytes ->
-            if (index == 133) {
-                pages[1]?.let { pages[0]?.copyOf(3)?.plus(it) }?.let { uid ->
-                    "Page $index: ${byteArrayOf(
-                        uid[1] xor uid[3] xor 0xAA.toByte(),
-                        uid[2] xor uid[4] xor 0x55,
-                        uid[3] xor uid[5] xor 0xAA.toByte(),
-                        uid[4] xor uid[6] xor 0x55).toHex().hexFormat}"
+            when (index) {
+                133 -> {
+                    pages[1]?.let { pages[0]?.copyOf(3)?.plus(it) }?.let { uid ->
+                        "Page $index: ${byteArrayOf(
+                            uid[1] xor uid[3] xor 0xAA.toByte(),
+                            uid[2] xor uid[4] xor 0x55,
+                            uid[3] xor uid[5] xor 0xAA.toByte(),
+                            uid[4] xor uid[6] xor 0x55).toHex().hexFormat}"
+                    }
+                }
+                134 -> {
+                    "Page $index: ${byteArrayOf(0x80.toByte(), 0x80.toByte(), 0, 0).toHex().hexFormat}"
+                }
+                else -> {
+                    bytes?.let {
+                        contents.append(Debug.separator).append("Page $index: ${it.toHex().hexFormat}")
+                    }
                 }
-            }
-            if (index == 134) {
-                "Page $index: ${byteArrayOf(0x80.toByte(), 0x80.toByte(), 0, 0).toHex().hexFormat}"
-            }
-            bytes?.let {
-                contents.append(Debug.separator).append("Page $index: ${it.toHex().hexFormat}")
             }
         }
         val nfcFile = File(directory, "$filename.nfc")