[wallet] show list of known exchanges in settings

5 files changed, 123 insertions, 0 deletions

diff --git a/wallet/src/main/res/layout/fragment_exchange_list.xml b/wallet/src/main/res/layout/fragment_exchange_list.xml
new file mode 100644
index 0000000..e08901e
--- /dev/null
+++ b/wallet/src/main/res/layout/fragment_exchange_list.xml
@@ -0,0 +1,52 @@
+<?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.coordinatorlayout.widget.CoordinatorLayout 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">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:scrollbars="vertical"
+        android:visibility="invisible"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+        tools:listitem="@layout/list_item_history"
+        tools:visibility="visible" />
+
+    <TextView
+        android:id="@+id/emptyState"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:gravity="center"
+        android:text="@string/exchange_list_empty"
+        android:visibility="invisible"
+        tools:visibility="visible" />
+
+    <ProgressBar
+        android:id="@+id/progressBar"
+        style="?android:progressBarStyleLarge"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:visibility="invisible"
+        tools:visibility="visible" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/wallet/src/main/res/layout/list_item_exchange.xml b/wallet/src/main/res/layout/list_item_exchange.xml
new file mode 100644
index 0000000..4c646fe
--- /dev/null
+++ b/wallet/src/main/res/layout/list_item_exchange.xml
@@ -0,0 +1,50 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@drawable/selectable_background"
+    android:foreground="?attr/selectableItemBackground"
+    android:padding="16dp">
+
+    <TextView
+        android:id="@+id/urlView"
+        style="@style/TransactionTitle"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:textSize="18sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="exchange.test.taler.net" />
+
+    <TextView
+        android:id="@+id/currencyView"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:textSize="14sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@+id/urlView"
+        app:layout_constraintTop_toBottomOf="@+id/urlView"
+        tools:text="@string/exchange_list_currency" />
+
+</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 51dcaba..7019597 100644
--- a/wallet/src/main/res/navigation/nav_graph.xml
+++ b/wallet/src/main/res/navigation/nav_graph.xml
@@ -59,11 +59,19 @@
         android:name="net.taler.wallet.settings.SettingsFragment"
         android:label="@string/menu_settings">
         <action
+            android:id="@+id/action_nav_settings_to_nav_settings_exchanges"
+            app:destination="@id/nav_settings_exchanges" />
+        <action
             android:id="@+id/action_nav_settings_to_nav_settings_backup"
             app:destination="@id/nav_settings_backup" />
     </fragment>
 
     <fragment
+        android:id="@+id/nav_settings_exchanges"
+        android:name="net.taler.wallet.exchanges.ExchangeListFragment"
+        android:label="@string/exchange_list_title"/>
+
+    <fragment
         android:id="@+id/nav_settings_backup"
         android:name="net.taler.wallet.settings.BackupSettingsFragment"
         android:label="@string/nav_settings_backup"/>
diff --git a/wallet/src/main/res/values/strings.xml b/wallet/src/main/res/values/strings.xml
index fec5948..79a3630 100644
--- a/wallet/src/main/res/values/strings.xml
+++ b/wallet/src/main/res/values/strings.xml
@@ -112,6 +112,12 @@ GNU Taler is immune against many types of fraud, such as phishing of credit card
     <string name="withdraw_error_title">Withdrawal Error</string>
     <string name="withdraw_error_message">Withdrawing is currently not possible. Please try again later!</string>
 
+    <string name="exchange_settings_title">Exchanges</string>
+    <string name="exchange_settings_summary">Manage list of exchanges known to this wallet</string>
+    <string name="exchange_list_title">Exchanges</string>
+    <string name="exchange_list_empty">No exchanges known\n\nAdd one manually or withdraw digital cash!</string>
+    <string name="exchange_list_currency">Currency: %s</string>
+
     <string name="exchange_fee_withdrawal_fee_label">Withdrawal Fee:</string>
     <string name="exchange_fee_overhead_label">Rounding Loss:</string>
     <string name="exchange_fee_coin_expiration_label">Earliest Coin Expiry:</string>
diff --git a/wallet/src/main/res/xml/settings_main.xml b/wallet/src/main/res/xml/settings_main.xml
index 4defc08..4c2f149 100644
--- a/wallet/src/main/res/xml/settings_main.xml
+++ b/wallet/src/main/res/xml/settings_main.xml
@@ -18,6 +18,13 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <Preference
+        app:fragment="net.taler.wallet.exchanges.ExchangeListFragment"
+        app:icon="@drawable/ic_account_balance"
+        app:key="pref_exchanges"
+        app:summary="@string/exchange_settings_summary"
+        app:title="@string/exchange_settings_title" />
+
+    <Preference
         app:fragment="net.taler.wallet.settings.BackupSettingsFragment"
         app:icon="@drawable/ic_baseline_backup"
         app:isPreferenceVisible="false"