show mnemonics

app/src/main/AndroidManifest.xml

@@ -17,7 +17,8 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".ui.LoadKeyActivity"></activity>
+        <activity android:name=".ui.ShowMnemonicActivity" />
+        <activity android:name=".ui.LoadKeyActivity" />
         <activity android:name=".ui.SignTransactionActivity" />
         <activity android:name=".ui.SignMessageActivity" />
         <activity android:name=".ui.PUKActivity" />

app/src/main/java/im/status/keycard/connect/card/LoadKeyCommand.kt

@@ -6,6 +6,7 @@ import im.status.keycard.applet.KeycardCommandSet
 import im.status.keycard.applet.Mnemonic
 import im.status.keycard.connect.data.*
 import im.status.keycard.connect.ui.LoadKeyActivity
+import im.status.keycard.connect.ui.ShowMnemonicActivity
 import java.io.IOException
 import java.lang.Exception
 
@@ -17,8 +18,9 @@ class LoadKeyCommand(private var loadType: Int = LOAD_NONE, private var mnemonic
     }
 
     private fun showMnemonic(activity: Activity, m: Mnemonic) {
-        //TODO: implement show mnemonic screen
-        println(m.toMnemonicPhrase())
+        val intent = Intent(activity, ShowMnemonicActivity::class.java)
+        intent.putExtra(MNEMONIC_PHRASE, m.words)
+        activity.startActivity(intent)
     }
 
     private fun generateKey(cmdSet: KeycardCommandSet): CardCommand.Result {

app/src/main/java/im/status/keycard/connect/data/Constants.kt

@@ -25,6 +25,7 @@ const val LOAD_GENERATE_BIP39 = 1
 const val LOAD_GENERATE = 2
 const val LOAD_MNEMONIC = "loadKeyMnemonic"
 
+const val MNEMONIC_PHRASE = "mnemonicPhrase"
 
 const val REQ_INTERACTIVE_SCRIPT = 0x01
 const val REQ_WALLETCONNECT = 0x02

app/src/main/java/im/status/keycard/connect/ui/ShowMnemonicActivity.kt

@@ -0,0 +1,23 @@
+package im.status.keycard.connect.ui
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.view.View
+import android.widget.TextView
+import im.status.keycard.connect.R
+import im.status.keycard.connect.data.MNEMONIC_PHRASE
+
+class ShowMnemonicActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_show_mnemonic)
+
+        val mnemonic = intent.getStringArrayExtra(MNEMONIC_PHRASE)
+        val mnemonicView = findViewById<TextView>(R.id.mnemonicView)
+        mnemonicView.text = mnemonic?.joinToString()
+    }
+
+    fun ok(@Suppress("UNUSED_PARAMETER") view: View) {
+        finish()
+    }
+}

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

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.ShowMnemonicActivity">
+
+    <TextView
+        android:id="@+id/mnemonicLabel"
+        android:layout_width="358dp"
+        android:layout_height="58dp"
+        android:layout_marginTop="36dp"
+        android:text="@string/mnemonic_label"
+        android:textAppearance="@style/TextAppearance.AppCompat.Body1"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.493"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/okButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="108dp"
+        android:onClick="ok"
+        android:text="@string/mnemonic_ok_button"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.496"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/mnemonicView" />
+
+    <TextView
+        android:id="@+id/mnemonicView"
+        android:layout_width="359dp"
+        android:layout_height="272dp"
+        android:layout_marginTop="36dp"
+        android:textAppearance="@style/TextAppearance.AppCompat.Display1"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/mnemonicLabel"
+        tools:text="initial require hint finger typical weapon giant produce select viable hybrid ostrich" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -7,7 +7,6 @@
     <string name="pin_label">PIN</string>
     <string name="puk_label">PUK</string>
     <string name="pairing_label">Pairing password</string>
-    <string name="title_activity_change_pin">ChangePINActivity</string>
     <string name="change_pin_prompt">New PIN</string>
     <string name="change_pin">Change PIN</string>
     <string name="puk_prompt">Insert your PUK</string>
@@ -19,9 +18,11 @@
     <string name="sign_tx_label">Sign transaction</string>
     <string name="sign_tx_to_label">To</string>
     <string name="load_key_generate_oncard">Generate on card</string>
-    <string name="load_generate_on_card_label" >Generate keys on card without BIP39 mnemonic. Maximum security, but no backup possible.</string>
-    <string name="load_import_mnemonic" >Import Mnemonic</string>
+    <string name="load_generate_on_card_label">Generate keys on card without BIP39 mnemonic. Maximum security, but no backup possible.</string>
+    <string name="load_import_mnemonic">Import Mnemonic</string>
     <string name="load_import_mnemonic_label">Import BIP39 Mnemonic</string>
-    <string name="load_generate_mnemonic" >Generate BIP39 Mnemonic</string>
+    <string name="load_generate_mnemonic">Generate BIP39 Mnemonic</string>
     <string name="load_generate_mnemonic_label">Generate and load BIP39 mnemonic. You will be shown the mnemonic after it is loaded</string>
+    <string name="mnemonic_ok_button">I have wrote these words down</string>
+    <string name="mnemonic_label">Please write these words down. They won\'t be presented again and there is no way to recover them.</string>
 </resources>