updated

app/src/main/java/de/androidcrypto/mifare_ultralight_c_examples/HomeFragment.java

@@ -74,7 +74,7 @@ public void onClick(View view) {
                 displayLicensesAlertDialog();
             }
         });
-        String messageTrue = "Although a MIFARE Ultralight C is very similar to an Ultralight EV1 tag, you should NOT use this app with an Ultralight C tag only.";
+        String messageTrue = "Although a MIFARE Ultralight C is very similar to an Ultralight or an Ultralight EV1 tag, you should use this app with an Ultralight C tag only.";
         TextView textViewTrue = getView().findViewById(R.id.textViewTrue);
         textViewTrue.setVisibility(View.VISIBLE);
         textViewTrue.setText(messageTrue);

app/src/main/res/layout/fragment_write_configuration.xml

@@ -23,7 +23,7 @@
                 android:paddingEnd="8dp"
                 android:paddingLeft="16dp"
                 android:paddingRight="16dp"
-                android:text="@string/header_read"
+                android:text="@string/header_write"
                 android:textAlignment="center"
                 android:textSize="20sp"
                 android:textStyle="bold" />

app/src/main/res/menu/bottom_menu.xml

@@ -12,17 +12,18 @@
         android:title="Read" />
 
     <item
-        android:id="@+id/write_configuration"
+        android:id="@+id/write_counter"
         android:icon="@drawable/nfc_icon_w2"
-        android:title="Write Config" />
+        android:title="Incr Counter" />
 
     <item
         android:id="@+id/write"
         android:icon="@drawable/nfc_icon_w2"
-        android:title="Write" />
+        android:title="Write Data" />
 
     <item
-        android:id="@+id/write_counter"
+        android:id="@+id/write_configuration"
         android:icon="@drawable/nfc_icon_w2"
-        android:title="Write Counter" />
+        android:title="Write Config" />
+
 </menu>

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

@@ -1,9 +1,9 @@
 <resources>
     <string name="app_name">MIFARE Ultralight C Example</string>
     <string name="home_description">This application reads and writes data from/to a MIFARE Ultralight C NFC tag.</string>
-    <string name="home_fragments">There are 5 icons to click on:\n1 home = this page\n2 read data with or without authentication\n3 write configuration = changes the configuration of the tag (e.g. authentication key, write and/or read authentication)\n4 write data\n5 write counter = increment the counter</string>
+    <string name="home_fragments">There are 5 icons to click on:\n1 home = this page\n2 read data with or without authentication\n3 write counter = increment the counter\n4 write data\n5  write configuration = changes the configuration of the tag (e.g. authentication key, write and/or read authentication, memory clearing, change password)</string>
     <string name="header_read">This app works with a MIFARE Ultralight C tag for reading</string>
-    <string name="description_read">This example expects a MIFARE Ultralight type tag. The tag should use only the well known keys A and B for authentication.\n\nWhen a tag is discovered the data from all records will be read.</string>
+    <string name="description_read">This example expects a MIFARE Ultralight type tag.\n\nWhen a tag is discovered the data from all records will be read.</string>
     <string name="header_read_counter">Read the counter</string>
     <string name="description_read_counter">This example reads an Ultralight C tag type and shows the value of the counter(s).\n\nWhen a tag is discovered the data from all records will be read.</string>
     <string name="nfc_result">NFC read result</string>

docs/taginfo_scan_empty.txt

@@ -0,0 +1,112 @@
+** TagInfo Scan (version 5.0.0) 20-Aug.-24 17:38:12 **
+Report Type: -- IC INFO ------------------------------
+
+# IC Manufacturer:
+Most probably NXP Semiconductors
+
+# IC Type:
+MIFARE Ultralight C (MF0ICU2)
+
+NOTE : Please consider MIFARE products with Originality Signature functionalities for future applications.
+
+-- NDEF ------------------------------
+
+# No NDEF Data Storage Present:
+Maximum NDEF storage size after format: 137 bytes
+
+-- EXTRA ------------------------------
+
+# Memory Information:
+192 bytes total memory
+* 48 pages, with 4 bytes per page
+* 144 bytes user memory (36 pages)
+
+# Authentication Information:
+Default sample key
+
+# Originality Check (symmetric):
+Originality check not supported
+
+# TagInfo Version:
+Version :5.0.0
+
+# Device Info:
+Device Model :samsung ( SM-A515F )
+Android OS Version :13
+
+-- FULL SCAN ------------------------------
+
+# Technologies Supported:
+ISO/IEC 14443-3 (Type A) compatible
+ISO/IEC 14443-2 (Type A) compatible
+
+# Android Technology Information:
+Tag description:
+* TAG: Tech [android.nfc.tech.NfcA, android.nfc.tech.MifareUltralight, android.nfc.tech.NdefFormatable]
+* Maximum transceive length: 253 bytes
+* Default maximum transceive time-out: 618 ms
+MIFARE Classic support present in Android
+
+# Detailed Protocol Information:
+ID: 04:BE:3F:AA:98:78:80
+ATQA: 0x4400
+SAK: 0x00
+
+# Memory Content:
+[00] *  04:BE:3F 0D (UID0-UID2, BCC0)
+[01] *  AA:98:78:80 (UID3-UID6)
+[02] .  CA 48 00 00 (BCC1, INT, LOCK0-LOCK1)
+[03] .  00:00:00:00 (OTP0-OTP3)
+[04] .  02 00 00 10 |␂␀␀␐|
+[05] .  00 06 01 10 |␀␆␁␐|
+[06] .  11 FF 00 00 |␑.␀␀|
+[07] .  00 00 00 00 |␀␀␀␀|
+[08] .  00 00 00 00 |␀␀␀␀|
+[09] .  00 00 00 00 |␀␀␀␀|
+[0A] .  00 00 00 00 |␀␀␀␀|
+[0B] .  00 00 00 00 |␀␀␀␀|
+[0C] .  00 00 00 00 |␀␀␀␀|
+[0D] .  00 00 00 00 |␀␀␀␀|
+[0E] .  00 00 00 00 |␀␀␀␀|
+[0F] .  00 00 00 00 |␀␀␀␀|
+[10] .  00 00 00 00 |␀␀␀␀|
+[11] .  00 00 00 00 |␀␀␀␀|
+[12] .  00 00 00 00 |␀␀␀␀|
+[13] .  00 00 00 00 |␀␀␀␀|
+[14] .  00 00 00 00 |␀␀␀␀|
+[15] .  00 00 00 00 |␀␀␀␀|
+[16] .  00 00 00 00 |␀␀␀␀|
+[17] .  00 00 00 00 |␀␀␀␀|
+[18] .  00 00 00 00 |␀␀␀␀|
+[19] .  00 00 00 00 |␀␀␀␀|
+[1A] .  00 00 00 00 |␀␀␀␀|
+[1B] .  00 00 00 00 |␀␀␀␀|
+[1C] .  00 00 00 00 |␀␀␀␀|
+[1D] .  00 00 00 00 |␀␀␀␀|
+[1E] .  00 00 00 00 |␀␀␀␀|
+[1F] .  00 00 00 00 |␀␀␀␀|
+[20] .  00 00 00 00 |␀␀␀␀|
+[21] .  00 00 00 00 |␀␀␀␀|
+[22] .  00 00 00 00 |␀␀␀␀|
+[23] .  00 00 00 00 |␀␀␀␀|
+[24] .  00 00 00 00 |␀␀␀␀|
+[25] .  00 00 00 00 |␀␀␀␀|
+[26] .  00 00 00 00 |␀␀␀␀|
+[27] .  00 00 00 00 |␀␀␀␀|
+[28] .  00 00 -- -- (LOCK2-LOCK3)
+[29] .  00 00 -- -- (CNT0-CNT1, value: 0)
+[2A] .  30 -- -- -- (AUTH0)
+[2B] .  00 -- -- -- (AUTH1)
+[2C] .- 42 52 45 41 |BREA|
+[2D] .- 4B 4D 45 49 |KMEI|
+[2E] .- 46 59 4F 55 |FYOU|
+[2F] .- 43 41 4E 21 |CAN!|
+
+  *:locked & blocked, x:locked,
+  +:blocked, .:un(b)locked, ?:unknown
+  r:readable (write-protected),
+  p:password protected, -:write-only
+  P:password protected write-only
+
+--------------------------------------
+

docs/taginfo_scan_written.txt

@@ -0,0 +1,112 @@
+** TagInfo Scan (version 5.0.0) 29-Aug.-24 12:56:18 **
+Report Type: -- IC INFO ------------------------------
+
+# IC Manufacturer:
+Most probably NXP Semiconductors
+
+# IC Type:
+MIFARE Ultralight C (MF0ICU2)
+
+NOTE : Please consider MIFARE products with Originality Signature functionalities for future applications.
+
+-- NDEF ------------------------------
+
+# No NDEF Data Storage Present:
+Maximum NDEF storage size after format: 137 bytes
+
+-- EXTRA ------------------------------
+
+# Memory Information:
+192 bytes total memory
+* 48 pages, with 4 bytes per page
+* 144 bytes user memory (36 pages)
+
+# Authentication Information:
+Default sample key
+
+# Originality Check (symmetric):
+Originality check not supported
+
+# TagInfo Version:
+Version :5.0.0
+
+# Device Info:
+Device Model :samsung ( SM-A515F )
+Android OS Version :13
+
+-- FULL SCAN ------------------------------
+
+# Technologies Supported:
+ISO/IEC 14443-3 (Type A) compatible
+ISO/IEC 14443-2 (Type A) compatible
+
+# Android Technology Information:
+Tag description:
+* TAG: Tech [android.nfc.tech.NfcA, android.nfc.tech.MifareUltralight, android.nfc.tech.NdefFormatable]
+* Maximum transceive length: 253 bytes
+* Default maximum transceive time-out: 618 ms
+MIFARE Classic support present in Android
+
+# Detailed Protocol Information:
+ID: 04:1F:80:AA:98:78:80
+ATQA: 0x4400
+SAK: 0x00
+
+# Memory Content:
+[00] *  04:1F:80 13 (UID0-UID2, BCC0)
+[01] *  AA:98:78:80 (UID3-UID6)
+[02] .  CA 48 00 00 (BCC1, INT, LOCK0-LOCK1)
+[03] .  00:00:00:00 (OTP0-OTP3)
+[04] .  32 34 30 38 |2408|
+[05] .  32 39 20 31 |29␠1|
+[06] .  32 3A 35 35 |2:55|
+[07] .  3A 34 30 20 |:40␠|
+[08] .  73 6F 6D 65 |some|
+[09] .  20 64 61 74 |␠dat|
+[0A] .  61 20 6F 6E |a␠on|
+[0B] .  20 74 61 67 |␠tag|
+[0C] .  00 00 00 00 |␀␀␀␀|
+[0D] .  00 00 00 00 |␀␀␀␀|
+[0E] .  00 00 00 00 |␀␀␀␀|
+[0F] .  00 00 00 00 |␀␀␀␀|
+[10] .  00 00 00 00 |␀␀␀␀|
+[11] .  00 00 00 00 |␀␀␀␀|
+[12] .  00 00 00 00 |␀␀␀␀|
+[13] .  00 00 00 00 |␀␀␀␀|
+[14] .  00 00 00 00 |␀␀␀␀|
+[15] .  00 00 00 00 |␀␀␀␀|
+[16] .  00 00 00 00 |␀␀␀␀|
+[17] .  00 00 00 00 |␀␀␀␀|
+[18] .  00 00 00 00 |␀␀␀␀|
+[19] .  00 00 00 00 |␀␀␀␀|
+[1A] .  00 00 00 00 |␀␀␀␀|
+[1B] .  00 00 00 00 |␀␀␀␀|
+[1C] .  00 00 00 00 |␀␀␀␀|
+[1D] .  00 00 00 00 |␀␀␀␀|
+[1E] .  00 00 00 00 |␀␀␀␀|
+[1F] .  00 00 00 00 |␀␀␀␀|
+[20] .  00 00 00 00 |␀␀␀␀|
+[21] .  00 00 00 00 |␀␀␀␀|
+[22] .  00 00 00 00 |␀␀␀␀|
+[23] .  00 00 00 00 |␀␀␀␀|
+[24] .  00 00 00 00 |␀␀␀␀|
+[25] .  00 00 00 00 |␀␀␀␀|
+[26] .  00 00 00 00 |␀␀␀␀|
+[27] .  00 00 00 00 |␀␀␀␀|
+[28] .  00 00 -- -- (LOCK2-LOCK3)
+[29] .  0E 00 -- -- (CNT0-CNT1, value: 14)
+[2A] .  30 -- -- -- (AUTH0)
+[2B] .  01 -- -- -- (AUTH1)
+[2C] .- 42 52 45 41 |BREA|
+[2D] .- 4B 4D 45 49 |KMEI|
+[2E] .- 46 59 4F 55 |FYOU|
+[2F] .- 43 41 4E 21 |CAN!|
+
+  *:locked & blocked, x:locked,
+  +:blocked, .:un(b)locked, ?:unknown
+  r:readable (write-protected),
+  p:password protected, -:write-only
+  P:password protected write-only
+
+--------------------------------------
+