[wallet] UI mockup for backup and anastasis

25 files changed, 1073 insertions, 4 deletions

diff --git a/wallet/src/main/java/net/taler/wallet/MainActivity.kt b/wallet/src/main/java/net/taler/wallet/MainActivity.kt
index f626e4f..c687a0e 100644
--- a/wallet/src/main/java/net/taler/wallet/MainActivity.kt
+++ b/wallet/src/main/java/net/taler/wallet/MainActivity.kt
@@ -37,6 +37,9 @@ import androidx.navigation.NavController
 import androidx.navigation.fragment.NavHostFragment
 import androidx.navigation.ui.AppBarConfiguration
 import androidx.navigation.ui.setupWithNavController
+import androidx.preference.Preference
+import androidx.preference.PreferenceFragmentCompat
+import androidx.preference.PreferenceFragmentCompat.OnPreferenceStartFragmentCallback
 import com.google.android.material.navigation.NavigationView.OnNavigationItemSelectedListener
 import com.google.android.material.snackbar.BaseTransientBottomBar.LENGTH_LONG
 import com.google.android.material.snackbar.BaseTransientBottomBar.LENGTH_SHORT
@@ -54,7 +57,8 @@ import net.taler.wallet.HostCardEmulatorService.Companion.TRIGGER_PAYMENT_ACTION
 import net.taler.wallet.refund.RefundStatus
 import java.util.Locale.ROOT
 
-class MainActivity : AppCompatActivity(), OnNavigationItemSelectedListener {
+class MainActivity : AppCompatActivity(), OnNavigationItemSelectedListener,
+    OnPreferenceStartFragmentCallback {
 
     private val model: MainViewModel by viewModels()
 
@@ -206,4 +210,15 @@ class MainActivity : AppCompatActivity(), OnNavigationItemSelectedListener {
         }
     }
 
+    override fun onPreferenceStartFragment(
+        caller: PreferenceFragmentCompat,
+        pref: Preference
+    ): Boolean {
+        when (pref.key) {
+            "pref_backup" -> nav.navigate(R.id.action_nav_settings_to_nav_settings_backup)
+            "pref_backup_recovery" -> nav.navigate(R.id.action_nav_settings_backup_to_nav_anastasis_intro)
+        }
+        return true
+    }
+
 }
diff --git a/wallet/src/main/java/net/taler/wallet/MainViewModel.kt b/wallet/src/main/java/net/taler/wallet/MainViewModel.kt
index 75cab67..c69c31c 100644
--- a/wallet/src/main/java/net/taler/wallet/MainViewModel.kt
+++ b/wallet/src/main/java/net/taler/wallet/MainViewModel.kt
@@ -40,6 +40,9 @@ import net.taler.wallet.refund.RefundManager
 import net.taler.wallet.transactions.TransactionManager
 import net.taler.wallet.withdraw.WithdrawManager
 import org.json.JSONObject
+import java.util.concurrent.TimeUnit.DAYS
+import java.util.concurrent.TimeUnit.MINUTES
+import kotlin.random.Random
 
 const val TAG = "taler-wallet"
 
@@ -103,6 +106,13 @@ class MainViewModel(val app: Application) : AndroidViewModel(app) {
     private val mTransactionsEvent = MutableLiveData<Event<String>>()
     val transactionsEvent: LiveData<Event<String>> = mTransactionsEvent
 
+    private val mLastBackup = MutableLiveData(
+        // fake backup time until we actually do backup
+        System.currentTimeMillis() -
+                Random.nextLong(MINUTES.toMillis(5), DAYS.toMillis(2))
+    )
+    val lastBackup: LiveData<Long> = mLastBackup
+
     override fun onCleared() {
         walletBackendApi.destroy()
         super.onCleared()
diff --git a/wallet/src/main/java/net/taler/wallet/settings/AnastasisAuthenticationFragment.kt b/wallet/src/main/java/net/taler/wallet/settings/AnastasisAuthenticationFragment.kt
new file mode 100644
index 0000000..96b0928
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/settings/AnastasisAuthenticationFragment.kt
@@ -0,0 +1,91 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.settings
+
+import android.os.Bundle
+import android.view.Gravity.CENTER
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
+import android.widget.Toast.LENGTH_SHORT
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import com.google.android.material.card.MaterialCardView
+import kotlinx.android.synthetic.main.fragment_anastasis_authentication.*
+import net.taler.common.Amount
+import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
+
+
+class AnastasisAuthenticationFragment : Fragment() {
+
+    private val model: MainViewModel by activityViewModels()
+
+    private var price: Amount = Amount.zero("KUDOS")
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_anastasis_authentication, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        passwordCard.setOnClickListener {
+            toggleCard(
+                passwordCard,
+                Amount.fromJSONString("KUDOS:0.5")
+            )
+        }
+        postidentCard.setOnClickListener {
+            toggleCard(
+                postidentCard,
+                Amount.fromJSONString("KUDOS:3.5")
+            )
+        }
+        smsCard.setOnClickListener { toggleCard(smsCard, Amount.fromJSONString("KUDOS:1.0")) }
+        videoCard.setOnClickListener { toggleCard(videoCard, Amount.fromJSONString("KUDOS:2.25")) }
+    }
+
+    private fun toggleCard(card: MaterialCardView, price: Amount) {
+        card.isChecked = !card.isChecked
+        val text = "Imagine you entered information here"
+        if (card.isChecked) Toast.makeText(requireContext(), text, LENGTH_SHORT).apply {
+            setGravity(CENTER, 0, 0)
+        }.show()
+        updatePrice(card.isChecked, price)
+        updateNextButtonState()
+    }
+
+    private fun updatePrice(add: Boolean, amount: Amount) {
+        if (add) price += amount
+        else price -= amount
+        recoveryCostView.text = "Recovery cost: $price"
+    }
+
+    private fun updateNextButtonState() {
+        var numChecked = 0
+        numChecked += if (passwordCard.isChecked) 1 else 0
+        numChecked += if (postidentCard.isChecked) 1 else 0
+        numChecked += if (smsCard.isChecked) 1 else 0
+        numChecked += if (videoCard.isChecked) 1 else 0
+        nextAuthButton.isEnabled = numChecked >= 2
+    }
+
+}
diff --git a/wallet/src/main/java/net/taler/wallet/settings/AnastasisIdentityFragment.kt b/wallet/src/main/java/net/taler/wallet/settings/AnastasisIdentityFragment.kt
new file mode 100644
index 0000000..562bcd0
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/settings/AnastasisIdentityFragment.kt
@@ -0,0 +1,86 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.settings
+
+import android.annotation.SuppressLint
+import android.app.DatePickerDialog
+import android.os.Bundle
+import android.telephony.TelephonyManager
+import android.text.format.DateFormat.getDateFormat
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.navigation.fragment.findNavController
+import com.google.android.material.snackbar.Snackbar
+import kotlinx.android.synthetic.main.fragment_anastasis_identity.*
+import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
+import java.util.*
+
+class AnastasisIdentityFragment : Fragment() {
+
+    private val model: MainViewModel by activityViewModels()
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_anastasis_identity, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        countryView.text = getCountryName()
+        changeCountryView.setOnClickListener {
+            Snackbar.make(view, "Not implemented", Snackbar.LENGTH_SHORT).show()
+        }
+        birthDateInput.editText?.setOnClickListener {
+            val picker = DatePickerDialog(requireContext())
+            picker.setOnDateSetListener { _, year, month, dayOfMonth ->
+                val calender = Calendar.getInstance().apply {
+                    set(year, month, dayOfMonth)
+                }
+                val date = Date(calender.timeInMillis)
+                val dateStr = getDateFormat(requireContext()).format(date)
+                birthDateInput.editText?.setText(dateStr)
+            }
+            picker.show()
+        }
+        createIdentifierButton.setOnClickListener {
+            findNavController().navigate(R.id.action_nav_anastasis_intro_to_nav_anastasis_authentication)
+        }
+    }
+
+    private fun getCountryName(): String {
+        val tm = requireContext().getSystemService(TelephonyManager::class.java)!!
+        val countryIso = if (tm.networkCountryIso.isNullOrEmpty())
+            tm.simCountryIso else tm.networkCountryIso
+        var countryName = "Unknown"
+        for (locale in Locale.getAvailableLocales()) {
+            @SuppressLint("DefaultLocale")
+            if (locale.country.toLowerCase() == countryIso) {
+                countryName = locale.displayCountry
+                break
+            }
+        }
+        return countryName
+    }
+
+}
diff --git a/wallet/src/main/java/net/taler/wallet/settings/AnastasisIntroFragment.kt b/wallet/src/main/java/net/taler/wallet/settings/AnastasisIntroFragment.kt
new file mode 100644
index 0000000..463f5b8
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/settings/AnastasisIntroFragment.kt
@@ -0,0 +1,51 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.settings
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.navigation.fragment.findNavController
+import kotlinx.android.synthetic.main.fragment_anastasis_intro.*
+import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
+
+
+class AnastasisIntroFragment : Fragment() {
+
+    private val model: MainViewModel by activityViewModels()
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_anastasis_intro, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        button.setOnClickListener {
+            findNavController().navigate(R.id.action_nav_anastasis_intro_to_nav_anastasis_identity)
+        }
+    }
+
+
+}
diff --git a/wallet/src/main/java/net/taler/wallet/settings/BackupSettingsFragment.kt b/wallet/src/main/java/net/taler/wallet/settings/BackupSettingsFragment.kt
new file mode 100644
index 0000000..f820661
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/settings/BackupSettingsFragment.kt
@@ -0,0 +1,41 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.settings
+
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.activityViewModels
+import androidx.preference.PreferenceFragmentCompat
+import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
+
+
+class BackupSettingsFragment : PreferenceFragmentCompat() {
+
+    private val model: MainViewModel by activityViewModels()
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        setPreferencesFromResource(R.xml.settings_backup, rootKey)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+    }
+
+
+}
diff --git a/wallet/src/main/java/net/taler/wallet/SettingsFragment.kt b/wallet/src/main/java/net/taler/wallet/settings/SettingsFragment.kt
index 97deaa5..31295d6 100644
--- a/wallet/src/main/java/net/taler/wallet/SettingsFragment.kt
+++ b/wallet/src/main/java/net/taler/wallet/settings/SettingsFragment.kt
@@ -14,7 +14,7 @@
  * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
  */
 
-package net.taler.wallet
+package net.taler.wallet.settings
 
 import android.os.Bundle
 import android.view.View
@@ -26,9 +26,12 @@ import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.SwitchPreferenceCompat
 import com.google.android.material.snackbar.BaseTransientBottomBar.LENGTH_SHORT
 import com.google.android.material.snackbar.Snackbar
+import net.taler.common.toRelativeTime
 import net.taler.wallet.BuildConfig.VERSION_CODE
 import net.taler.wallet.BuildConfig.VERSION_NAME
 import net.taler.wallet.BuildConfig.WALLET_CORE_VERSION
+import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
 
 
 class SettingsFragment : PreferenceFragmentCompat() {
@@ -36,6 +39,7 @@ class SettingsFragment : PreferenceFragmentCompat() {
     private val model: MainViewModel by activityViewModels()
     private val withdrawManager by lazy { model.withdrawManager }
 
+    private lateinit var prefBackup: Preference
     private lateinit var prefDevMode: SwitchPreferenceCompat
     private lateinit var prefWithdrawTest: Preference
     private lateinit var prefVersionApp: Preference
@@ -45,6 +49,7 @@ class SettingsFragment : PreferenceFragmentCompat() {
     private lateinit var prefReset: Preference
     private val devPrefs by lazy {
         listOf(
+            prefBackup,
             prefWithdrawTest,
             prefVersionApp,
             prefVersionCore,
@@ -56,6 +61,7 @@ class SettingsFragment : PreferenceFragmentCompat() {
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.settings_main, rootKey)
+        prefBackup = findPreference("pref_backup")!!
         prefDevMode = findPreference("pref_dev_mode")!!
         prefWithdrawTest = findPreference("pref_testkudos")!!
         prefVersionApp = findPreference("pref_version_app")!!
@@ -68,6 +74,11 @@ class SettingsFragment : PreferenceFragmentCompat() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
+        model.lastBackup.observe(viewLifecycleOwner, Observer {
+            val time = it.toRelativeTime(requireContext())
+            prefBackup.summary = getString(R.string.backup_last, time)
+        })
+
         model.devMode.observe(viewLifecycleOwner, Observer { enabled ->
             prefDevMode.isChecked = enabled
             if (enabled) {
diff --git a/wallet/src/main/res/anim/slide_in_right.xml b/wallet/src/main/res/anim/slide_in_right.xml
new file mode 100644
index 0000000..1425210
--- /dev/null
+++ b/wallet/src/main/res/anim/slide_in_right.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ This file is part of GNU Taler
+  ~ (C) 2020 Taler Systems S.A.
+  ~
+  ~ GNU Taler is free software; you can redistribute it and/or modify it under the
+  ~ terms of the GNU General Public License as published by the Free Software
+  ~ Foundation; either version 3, or (at your option) any later version.
+  ~
+  ~ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+  ~ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  ~ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along with
+  ~ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+  -->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate android:fromXDelta="75%p" android:toXDelta="0"
+        android:duration="@android:integer/config_mediumAnimTime"/>
+    <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
+        android:duration="@android:integer/config_mediumAnimTime" />
+</set>
diff --git a/wallet/src/main/res/anim/slide_out_left.xml b/wallet/src/main/res/anim/slide_out_left.xml
new file mode 100644
index 0000000..0581b69
--- /dev/null
+++ b/wallet/src/main/res/anim/slide_out_left.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ This file is part of GNU Taler
+  ~ (C) 2020 Taler Systems S.A.
+  ~
+  ~ GNU Taler is free software; you can redistribute it and/or modify it under the
+  ~ terms of the GNU General Public License as published by the Free Software
+  ~ Foundation; either version 3, or (at your option) any later version.
+  ~
+  ~ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+  ~ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  ~ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along with
+  ~ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+  -->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate android:fromXDelta="0" android:toXDelta="-75%p"
+        android:duration="@android:integer/config_mediumAnimTime"/>
+    <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
+        android:duration="@android:integer/config_mediumAnimTime" />
+</set>
diff --git a/wallet/src/main/res/drawable/ic_baseline_account_tree.xml b/wallet/src/main/res/drawable/ic_baseline_account_tree.xml
new file mode 100644
index 0000000..7067bd3
--- /dev/null
+++ b/wallet/src/main/res/drawable/ic_baseline_account_tree.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M22,11V3h-7v3H9V3H2v8h7V8h2v10h4v3h7v-8h-7v3h-2V8h2v3z" />
+</vector>
diff --git a/wallet/src/main/res/drawable/ic_baseline_backup.xml b/wallet/src/main/res/drawable/ic_baseline_backup.xml
new file mode 100644
index 0000000..006b014
--- /dev/null
+++ b/wallet/src/main/res/drawable/ic_baseline_backup.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M19.35,10.04C18.67,6.59 15.64,4 12,4 9.11,4 6.6,5.64 5.35,8.04 2.34,8.36 0,10.91 0,14c0,3.31 2.69,6 6,6h13c2.76,0 5,-2.24 5,-5 0,-2.64 -2.05,-4.78 -4.65,-4.96zM14,13v4h-4v-4H7l5,-5 5,5h-3z" />
+</vector>
diff --git a/wallet/src/main/res/drawable/ic_baseline_check.xml b/wallet/src/main/res/drawable/ic_baseline_check.xml
new file mode 100644
index 0000000..219e80e
--- /dev/null
+++ b/wallet/src/main/res/drawable/ic_baseline_check.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M9,16.17L4.83,12l-1.42,1.41L9,19 21,7l-1.41,-1.41z" />
+</vector>
diff --git a/wallet/src/main/res/drawable/ic_baseline_cloud_circle.xml b/wallet/src/main/res/drawable/ic_baseline_cloud_circle.xml
new file mode 100644
index 0000000..bb8e80a
--- /dev/null
+++ b/wallet/src/main/res/drawable/ic_baseline_cloud_circle.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM16.5,16L8,16c-1.66,0 -3,-1.34 -3,-3s1.34,-3 3,-3l0.14,0.01C8.58,8.28 10.13,7 12,7c2.21,0 4,1.79 4,4h0.5c1.38,0 2.5,1.12 2.5,2.5S17.88,16 16.5,16z" />
+</vector>
diff --git a/wallet/src/main/res/drawable/ic_baseline_cloud_download.xml b/wallet/src/main/res/drawable/ic_baseline_cloud_download.xml
new file mode 100644
index 0000000..58832b1
--- /dev/null
+++ b/wallet/src/main/res/drawable/ic_baseline_cloud_download.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M19.35,10.04C18.67,6.59 15.64,4 12,4 9.11,4 6.6,5.64 5.35,8.04 2.34,8.36 0,10.91 0,14c0,3.31 2.69,6 6,6h13c2.76,0 5,-2.24 5,-5 0,-2.64 -2.05,-4.78 -4.65,-4.96zM17,13l-5,5 -5,-5h3V9h4v4h3z" />
+</vector>
diff --git a/wallet/src/main/res/drawable/ic_baseline_lock.xml b/wallet/src/main/res/drawable/ic_baseline_lock.xml
new file mode 100644
index 0000000..8f13e37
--- /dev/null
+++ b/wallet/src/main/res/drawable/ic_baseline_lock.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M18,8h-1L17,6c0,-2.76 -2.24,-5 -5,-5S7,3.24 7,6v2L6,8c-1.1,0 -2,0.9 -2,2v10c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2L20,10c0,-1.1 -0.9,-2 -2,-2zM12,17c-1.1,0 -2,-0.9 -2,-2s0.9,-2 2,-2 2,0.9 2,2 -0.9,2 -2,2zM15.1,8L8.9,8L8.9,6c0,-1.71 1.39,-3.1 3.1,-3.1 1.71,0 3.1,1.39 3.1,3.1v2z" />
+</vector>
diff --git a/wallet/src/main/res/drawable/ic_baseline_person.xml b/wallet/src/main/res/drawable/ic_baseline_person.xml
new file mode 100644
index 0000000..07eeb5a
--- /dev/null
+++ b/wallet/src/main/res/drawable/ic_baseline_person.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,12c2.21,0 4,-1.79 4,-4s-1.79,-4 -4,-4 -4,1.79 -4,4 1.79,4 4,4zM12,14c-2.67,0 -8,1.34 -8,4v2h16v-2c0,-2.66 -5.33,-4 -8,-4z" />
+</vector>
diff --git a/wallet/src/main/res/drawable/ic_baseline_vpn_key.xml b/wallet/src/main/res/drawable/ic_baseline_vpn_key.xml
new file mode 100644
index 0000000..7b554c9
--- /dev/null
+++ b/wallet/src/main/res/drawable/ic_baseline_vpn_key.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12.65,10C11.83,7.67 9.61,6 7,6c-3.31,0 -6,2.69 -6,6s2.69,6 6,6c2.61,0 4.83,-1.67 5.65,-4H17v4h4v-4h2v-4H12.65zM7,14c-1.1,0 -2,-0.9 -2,-2s0.9,-2 2,-2 2,0.9 2,2 -0.9,2 -2,2z" />
+</vector>
diff --git a/wallet/src/main/res/layout/fragment_anastasis_authentication.xml b/wallet/src/main/res/layout/fragment_anastasis_authentication.xml
new file mode 100644
index 0000000..f8d1213
--- /dev/null
+++ b/wallet/src/main/res/layout/fragment_anastasis_authentication.xml
@@ -0,0 +1,272 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ This file is part of GNU Taler
+  ~ (C) 2020 Taler Systems S.A.
+  ~
+  ~ GNU Taler is free software; you can redistribute it and/or modify it under the
+  ~ terms of the GNU General Public License as published by the Free Software
+  ~ Foundation; either version 3, or (at your option) any later version.
+  ~
+  ~ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+  ~ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  ~ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along with
+  ~ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+  -->
+
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toTopOf="@+id/bottomCard"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <com.google.android.material.card.MaterialCardView
+                android:id="@+id/passwordCard"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:layout_marginTop="16dp"
+                android:layout_marginEnd="16dp"
+                android:checkable="true"
+                android:clickable="true"
+                android:focusable="true"
+                app:cardElevation="4dp"
+                app:cardUseCompatPadding="true"
+                app:checkedIcon="@drawable/ic_baseline_check"
+                app:checkedIconTint="@color/green"
+                app:contentPadding="8dp">
+
+                <androidx.constraintlayout.widget.ConstraintLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content">
+
+                    <TextView
+                        android:id="@+id/passwordHeadline"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:text="Password"
+                        android:textAppearance="@style/TextAppearance.MaterialComponents.Headline5"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                    <TextView
+                        android:id="@+id/passwordText"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="8dp"
+                        android:text="Provide your own password that you will need to enter to authenticate when recovering your backup."
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toBottomOf="@+id/passwordHeadline" />
+                </androidx.constraintlayout.widget.ConstraintLayout>
+
+            </com.google.android.material.card.MaterialCardView>
+
+            <com.google.android.material.circularreveal.cardview.CircularRevealCardView
+                android:id="@+id/postidentCard"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:layout_marginTop="16dp"
+                android:layout_marginEnd="16dp"
+                android:checkable="true"
+                app:cardElevation="4dp"
+                app:cardUseCompatPadding="true"
+                app:checkedIcon="@drawable/ic_baseline_check"
+                app:checkedIconTint="@color/green"
+                app:contentPadding="8dp">
+
+
+                <androidx.constraintlayout.widget.ConstraintLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content">
+
+                    <TextView
+                        android:id="@+id/postidentHeadline"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:text="Postident Verfahren"
+                        android:textAppearance="@style/TextAppearance.MaterialComponents.Headline5"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                    <TextView
+                        android:id="@+id/postidentText"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="8dp"
+                        android:text="Die Postident-Verfahren sind Methoden der persönlichen Identifikation von Personen, die durch die Mitarbeiter der Deutschen Post AG vorgenommen werden. Man spricht beim Postident-Verfahren auch von einer unpersönlichen Legitimationsprüfung. "
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toBottomOf="@+id/postidentHeadline" />
+                </androidx.constraintlayout.widget.ConstraintLayout>
+            </com.google.android.material.circularreveal.cardview.CircularRevealCardView>
+
+
+            <com.google.android.material.card.MaterialCardView
+                android:id="@+id/smsCard"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:layout_marginTop="16dp"
+                android:layout_marginEnd="16dp"
+                android:checkable="true"
+                android:clickable="true"
+                android:focusable="true"
+                app:cardElevation="4dp"
+                app:cardUseCompatPadding="true"
+                app:checkedIcon="@drawable/ic_baseline_check"
+                app:checkedIconTint="@color/green"
+                app:contentPadding="8dp">
+
+                <androidx.constraintlayout.widget.ConstraintLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content">
+
+                    <TextView
+                        android:id="@+id/smsHeadline"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:text="SMS"
+                        android:textAppearance="@style/TextAppearance.MaterialComponents.Headline5"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                    <TextView
+                        android:id="@+id/smsText"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="8dp"
+                        android:text="Sends an SMS with a code to the users phone. The must send this code back with his request. If the transmitted code is correct, the server responses with the requested encrypted key share."
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toBottomOf="@+id/smsHeadline" />
+                </androidx.constraintlayout.widget.ConstraintLayout>
+
+            </com.google.android.material.card.MaterialCardView>
+
+            <com.google.android.material.card.MaterialCardView
+                android:id="@+id/videoCard"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_margin="16dp"
+                android:checkable="true"
+                android:clickable="true"
+                android:focusable="true"
+                app:cardElevation="4dp"
+                app:cardUseCompatPadding="true"
+                app:checkedIcon="@drawable/ic_baseline_check"
+                app:checkedIconTint="@color/green"
+                app:contentPadding="8dp">
+
+                <androidx.constraintlayout.widget.ConstraintLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content">
+
+                    <TextView
+                        android:id="@+id/videoHeadline"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:text="Video identification"
+                        android:textAppearance="@style/TextAppearance.MaterialComponents.Headline5"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                    <TextView
+                        android:id="@+id/videoText"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="8dp"
+                        android:text="Requires the user to identify via video-call. The user is expected to delete all metadata revealing information about him/her from the images before uploading them. Since the respective images must be passed on to the video identification service in the event of password recovery, it must be ensured that no further information about the user can be derived from them."
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toBottomOf="@+id/videoHeadline" />
+                </androidx.constraintlayout.widget.ConstraintLayout>
+
+            </com.google.android.material.card.MaterialCardView>
+
+        </LinearLayout>
+
+    </ScrollView>
+
+    <com.google.android.material.card.MaterialCardView
+        android:id="@+id/bottomCard"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:cardCornerRadius="0dp"
+        app:cardElevation="6dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <Button
+                android:id="@+id/nextAuthButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="16dp"
+                android:backgroundTint="@color/green"
+                android:enabled="false"
+                android:text="Next"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/annualCostView"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:layout_marginTop="8dp"
+                android:layout_marginEnd="8dp"
+                android:layout_marginBottom="8dp"
+                android:text="Annual cost: 5 KUDOS"
+                app:layout_constraintBottom_toTopOf="@+id/recoveryCostView"
+                app:layout_constraintEnd_toStartOf="@+id/nextAuthButton"
+                app:layout_constraintHorizontal_bias="0.5"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintVertical_chainStyle="spread" />
+
+            <TextView
+                android:id="@+id/recoveryCostView"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:layout_marginEnd="8dp"
+                android:layout_marginBottom="8dp"
+                android:text="Recovery cost: 0 KUDOS"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toStartOf="@+id/nextAuthButton"
+                app:layout_constraintHorizontal_bias="0.5"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/annualCostView" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+    </com.google.android.material.card.MaterialCardView>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/wallet/src/main/res/layout/fragment_anastasis_identity.xml b/wallet/src/main/res/layout/fragment_anastasis_identity.xml
new file mode 100644
index 0000000..542a821
--- /dev/null
+++ b/wallet/src/main/res/layout/fragment_anastasis_identity.xml
@@ -0,0 +1,165 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ This file is part of GNU Taler
+  ~ (C) 2020 Taler Systems S.A.
+  ~
+  ~ GNU Taler is free software; you can redistribute it and/or modify it under the
+  ~ terms of the GNU General Public License as published by the Free Software
+  ~ Foundation; either version 3, or (at your option) any later version.
+  ~
+  ~ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+  ~ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  ~ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along with
+  ~ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+  -->
+
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fillViewport="true">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <ImageView
+            android:id="@+id/imageView2"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:srcCompat="@drawable/ic_baseline_person" />
+
+        <TextView
+            android:id="@+id/identityIntro"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            android:layout_marginTop="24dp"
+            android:text="To find your secret later, we create an anonymous identifier from unforgettable information about you.\n\nFeel free to lie as long as you will be able to provide exactly the same information when needing to restore."
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/imageView2"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <TextView
+            android:id="@+id/textView3"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            android:text="Detected Country:"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/identityIntro" />
+
+        <TextView
+            android:id="@+id/countryView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:text="Unknown"
+            app:layout_constraintBaseline_toBaselineOf="@+id/textView3"
+            app:layout_constraintStart_toEndOf="@+id/textView3" />
+
+        <TextView
+            android:id="@+id/changeCountryView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="8dp"
+            android:text="Change"
+            android:textColor="@color/colorAccent"
+            app:layout_constraintBaseline_toBaselineOf="@+id/countryView"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.0"
+            app:layout_constraintStart_toEndOf="@+id/countryView" />
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/nameInput"
+            style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.Dense"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/textView3">
+
+            <com.google.android.material.textfield.TextInputEditText
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="Name" />
+
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/placeOfBirthInput"
+            style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.Dense"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/nameInput">
+
+            <com.google.android.material.textfield.TextInputEditText
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="Place of birth" />
+
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/birthDateInput"
+            style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.Dense"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/placeOfBirthInput">
+
+            <com.google.android.material.textfield.TextInputEditText
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:focusable="false"
+                android:hint="Birthday"
+                android:inputType="date" />
+
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/idNumberInput"
+            style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.Dense"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            app:layout_constraintBottom_toTopOf="@+id/createIdentifierButton"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/birthDateInput"
+            app:layout_constraintVertical_bias="0.0">
+
+            <com.google.android.material.textfield.TextInputEditText
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="AHV number"
+                android:inputType="number"
+                android:maxLength="13" />
+
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <Button
+            android:id="@+id/createIdentifierButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="16dp"
+            android:backgroundTint="@color/green"
+            android:drawableLeft="@drawable/ic_baseline_lock"
+            android:drawableTint="?attr/colorOnPrimarySurface"
+            android:text="Encrypt Identity"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</ScrollView>
diff --git a/wallet/src/main/res/layout/fragment_anastasis_intro.xml b/wallet/src/main/res/layout/fragment_anastasis_intro.xml
new file mode 100644
index 0000000..262287b
--- /dev/null
+++ b/wallet/src/main/res/layout/fragment_anastasis_intro.xml
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ This file is part of GNU Taler
+  ~ (C) 2020 Taler Systems S.A.
+  ~
+  ~ GNU Taler is free software; you can redistribute it and/or modify it under the
+  ~ terms of the GNU General Public License as published by the Free Software
+  ~ Foundation; either version 3, or (at your option) any later version.
+  ~
+  ~ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+  ~ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  ~ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along with
+  ~ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+  -->
+
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_margin="16dp"
+        android:tint="@color/green"
+        app:layout_constraintBottom_toTopOf="@+id/textView"
+        app:layout_constraintDimensionRatio="1:1"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHeight_max="200dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="1.0"
+        app:layout_constraintVertical_chainStyle="spread"
+        app:srcCompat="@drawable/ic_baseline_cloud_circle" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:text="Secure cloud recovery keeps your backup secret safe with service providers of your choice.\n\nTo access your backup, you need to identify yourself to some or all of those providers, so they unlock your backup."
+        android:textSize="22sp"
+        app:layout_constraintBottom_toTopOf="@+id/button"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/imageView" />
+
+    <Button
+        android:id="@+id/button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp"
+        android:backgroundTint="@color/green"
+        android:text="Setup cloud recovery"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/wallet/src/main/res/navigation/nav_graph.xml b/wallet/src/main/res/navigation/nav_graph.xml
index d5ce657..bcfbe51 100644
--- a/wallet/src/main/res/navigation/nav_graph.xml
+++ b/wallet/src/main/res/navigation/nav_graph.xml
@@ -56,8 +56,59 @@
 
     <fragment
         android:id="@+id/nav_settings"
-        android:name="net.taler.wallet.SettingsFragment"
-        android:label="@string/menu_settings" />
+        android:name="net.taler.wallet.settings.SettingsFragment"
+        android:label="@string/menu_settings">
+        <action
+            android:id="@+id/action_nav_settings_to_nav_settings_backup"
+            app:destination="@id/nav_settings_backup" />
+    </fragment>
+
+    <fragment
+        android:id="@+id/nav_settings_backup"
+        android:name="net.taler.wallet.settings.BackupSettingsFragment"
+        android:label="@string/nav_settings_backup">
+        <action
+            android:id="@+id/action_nav_settings_backup_to_nav_anastasis_intro"
+            app:destination="@id/nav_anastasis_intro"
+            app:enterAnim="@anim/slide_in_right"
+            app:exitAnim="@anim/slide_out_left"
+            app:popEnterAnim="@android:anim/slide_in_left"
+            app:popExitAnim="@android:anim/slide_out_right" />
+    </fragment>
+
+    <fragment
+        android:id="@+id/nav_anastasis_intro"
+        android:name="net.taler.wallet.settings.AnastasisIntroFragment"
+        android:label="Secure Cloud Recovery"
+        tools:layout="@layout/fragment_anastasis_intro">
+        <action
+            android:id="@+id/action_nav_anastasis_intro_to_nav_anastasis_identity"
+            app:destination="@id/nav_anastasis_identity"
+            app:enterAnim="@anim/slide_in_right"
+            app:exitAnim="@anim/slide_out_left"
+            app:popEnterAnim="@android:anim/slide_in_left"
+            app:popExitAnim="@android:anim/slide_out_right" />
+    </fragment>
+
+    <fragment
+        android:id="@+id/nav_anastasis_identity"
+        android:name="net.taler.wallet.settings.AnastasisIdentityFragment"
+        android:label="Define your identity"
+        tools:layout="@layout/fragment_anastasis_identity">
+        <action
+            android:id="@+id/action_nav_anastasis_intro_to_nav_anastasis_authentication"
+            app:destination="@id/nav_anastasis_authentication"
+            app:enterAnim="@anim/slide_in_right"
+            app:exitAnim="@anim/slide_out_left"
+            app:popEnterAnim="@android:anim/slide_in_left"
+            app:popExitAnim="@android:anim/slide_out_right" />
+    </fragment>
+
+    <fragment
+        android:id="@+id/nav_anastasis_authentication"
+        android:name="net.taler.wallet.settings.AnastasisAuthenticationFragment"
+        android:label="Choose authentication methods"
+        tools:layout="@layout/fragment_anastasis_authentication"/>
 
     <fragment
         android:id="@+id/nav_transactions"
diff --git a/wallet/src/main/res/values/defaults.xml b/wallet/src/main/res/values/defaults.xml
new file mode 100644
index 0000000..0e2a6a1
--- /dev/null
+++ b/wallet/src/main/res/values/defaults.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ This file is part of GNU Taler
+  ~ (C) 2020 Taler Systems S.A.
+  ~
+  ~ GNU Taler is free software; you can redistribute it and/or modify it under the
+  ~ terms of the GNU General Public License as published by the Free Software
+  ~ Foundation; either version 3, or (at your option) any later version.
+  ~
+  ~ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+  ~ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  ~ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along with
+  ~ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+  -->
+
+<resources>
+
+    <bool name="settings_backup_default">true</bool>
+
+</resources>
\ No newline at end of file
diff --git a/wallet/src/main/res/values/strings.xml b/wallet/src/main/res/values/strings.xml
index 3da30f9..c856345 100644
--- a/wallet/src/main/res/values/strings.xml
+++ b/wallet/src/main/res/values/strings.xml
@@ -147,6 +147,9 @@ GNU Taler is immune against many types of fraud, such as phishing of credit card
     <string name="settings_reset">Reset Wallet (dangerous!)</string>
     <string name="settings_reset_summary">Throws away your money</string>
 
+    <string name="nav_settings_backup">Backup</string>
+    <string name="backup_last">Last Backup: %s</string>
+
     <string name="refund_title">Refund</string>
     <string name="refund_error">Error processing refund</string>
     <string name="refund_success">Refund received</string>
diff --git a/wallet/src/main/res/xml/settings_backup.xml b/wallet/src/main/res/xml/settings_backup.xml
new file mode 100644
index 0000000..b275302
--- /dev/null
+++ b/wallet/src/main/res/xml/settings_backup.xml
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ This file is part of GNU Taler
+  ~ (C) 2020 Taler Systems S.A.
+  ~
+  ~ GNU Taler is free software; you can redistribute it and/or modify it under the
+  ~ terms of the GNU General Public License as published by the Free Software
+  ~ Foundation; either version 3, or (at your option) any later version.
+  ~
+  ~ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+  ~ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  ~ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along with
+  ~ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+  -->
+
+<PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <SwitchPreferenceCompat
+        app:defaultValue="@bool/settings_backup_default"
+        app:fragment="net.taler.wallet.settings.BackupSettingsFragment"
+        app:icon="@drawable/ic_baseline_backup"
+        app:key="pref_backup_switch"
+        app:summaryOff="Backup is disabled"
+        app:summaryOn="Backup is enabled"
+        app:title="Backup my wallet" />
+
+    <Preference
+        app:dependency="pref_backup_switch"
+        app:icon="@drawable/ic_baseline_account_tree"
+        app:key="pref_backup_services"
+        app:selectable="false"
+        app:summary="1 backup service set up"
+        app:title="Backup services" />
+
+    <PreferenceCategory
+        app:iconSpaceReserved="false"
+        app:summary="At least one of these is required to restore from backup"
+        app:title="Recovery Options">
+
+        <Preference
+            app:dependency="pref_backup_switch"
+            app:icon="@drawable/ic_baseline_vpn_key"
+            app:key="pref_backup_secret"
+            app:selectable="false"
+            app:title="Show backup secret" />
+
+        <Preference
+            app:dependency="pref_backup_switch"
+            app:icon="@drawable/ic_baseline_cloud_circle"
+            app:fragment="net.taler.wallet.settings.SettingsFragment"
+            app:key="pref_backup_recovery"
+            app:summary="Not used"
+            app:title="Secure cloud recovery" />
+
+    </PreferenceCategory>
+
+</PreferenceScreen>
diff --git a/wallet/src/main/res/xml/settings_main.xml b/wallet/src/main/res/xml/settings_main.xml
index f4cc34e..4defc08 100644
--- a/wallet/src/main/res/xml/settings_main.xml
+++ b/wallet/src/main/res/xml/settings_main.xml
@@ -17,6 +17,14 @@
 <PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <Preference
+        app:fragment="net.taler.wallet.settings.BackupSettingsFragment"
+        app:icon="@drawable/ic_baseline_backup"
+        app:isPreferenceVisible="false"
+        app:key="pref_backup"
+        app:title="Backup"
+        tools:isPreferenceVisible="true" />
+
     <SwitchPreferenceCompat
         app:icon="@drawable/ic_developer_mode"
         app:key="pref_dev_mode"