feat(coinjoin): add wallet mixing entry point (#1216)

* feat: coinjoin menu item

* feat: coinjoin info fragment

* fix: icons

* fix: back button

wallet/AndroidManifest.xml

@@ -365,6 +365,11 @@
             android:theme="@style/My.Theme.ChildActivity"
             android:screenOrientation="portrait" />
 
+        <activity
+            android:name="de.schildbach.wallet.ui.coinjoin.CoinJoinActivity"
+            android:theme="@style/LockScreenActivity.Child.Theme"
+            android:screenOrientation="portrait" />
+
         <provider
             android:name="de.schildbach.wallet.data.AddressBookProvider"
             android:authorities="${applicationId}.address_book"

wallet/res/drawable/ic_battery.xml

@@ -0,0 +1,5 @@
+<vector android:autoMirrored="true" android:height="13dp"
+    android:viewportHeight="13" android:viewportWidth="28"
+    android:width="28dp" xmlns:android="http://schemas.android.com/apk/res/android">
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+</vector>

wallet/res/drawable/ic_coinjoin.xml

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+</vector>

wallet/res/drawable/ic_coinjoin_big.xml

@@ -0,0 +1,6 @@
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+    android:viewportHeight="80" android:viewportWidth="80"
+    android:width="80dp" xmlns:android="http://schemas.android.com/apk/res/android">
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wallet/res/drawable/ic_lock_dash.xml

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wallet/res/drawable/ic_shuffle.xml

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+</vector>

wallet/res/layout/activity_coinjoin.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright 2021 Dash Core Group.
+  ~
+  ~ This program 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 of the License, or
+  ~ (at your option) any later version.
+  ~
+  ~ This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+<FrameLayout 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"
+    android:id="@+id/container"
+    tools:context="de.schildbach.wallet.ui.coinjoin.CoinJoinActivity">
+
+    <androidx.fragment.app.FragmentContainerView
+        android:id="@+id/nav_host_fragment"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:defaultNavHost="true"
+        app:navGraph="@navigation/nav_coinjoin" />
+</FrameLayout>

wallet/res/layout/activity_settings.xml

@@ -103,6 +103,45 @@
             app:srcCompat="@drawable/ic_menu_row_arrow" />
     </androidx.constraintlayout.widget.ConstraintLayout>
 
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/coinjoin"
+        style="@style/MenuRow.Internal">
+
+        <ImageView
+            android:id="@+id/coinjoin_icon"
+            android:layout_gravity="center_vertical"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="17dp"
+            app:srcCompat="@drawable/ic_coinjoin"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent" />
+
+        <TextView
+            android:id="@+id/coinjoin_title"
+            style="@style/Body2.Medium"
+            android:layout_height="wrap_content"
+            android:layout_width="wrap_content"
+            android:text="@string/coinjoin"
+            android:layout_marginStart="22dp"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintStart_toEndOf="@id/coinjoin_icon"
+            app:layout_constraintBottom_toTopOf="@id/coinjoin_subtitle"
+            app:layout_constraintVertical_chainStyle="packed" />
+
+        <TextView
+            android:id="@+id/coinjoin_subtitle"
+            style="@style/Overline.Tertiary"
+            android:layout_height="wrap_content"
+            android:layout_width="wrap_content"
+            android:layout_marginStart="22dp"
+            android:text="@string/turned_off"
+            app:layout_constraintStart_toEndOf="@id/coinjoin_icon"
+            app:layout_constraintTop_toBottomOf="@id/coinjoin_title"
+            app:layout_constraintBottom_toBottomOf="parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
     <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/voting_dash_pay"
         style="@style/MenuRow.Internal">