Fix keyboard/d-pad navigation

Allows navigating the app using the arrow keys on a keyboard or the
D-pad on a TV remote, up until the plugin list (I haven't checked
specific plugins).

res/layout-v23/pairing_explanation_not_trusted.xml

@@ -5,6 +5,7 @@
     android:layout_height="wrap_content"
     android:background="?attr/selectableItemBackground"
     android:clickable="false"
+    android:focusable="false"
     android:drawablePadding="8dp"
     android:paddingTop="16dp"
     android:paddingBottom="12dp"

res/layout-w820dp/activity_main.xml

@@ -23,6 +23,7 @@
 
         <FrameLayout
             android:id="@+id/container"
+            android:descendantFocusability="afterDescendants"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_behavior="@string/appbar_scrolling_view_behavior"/>

res/layout/activity_device.xml

@@ -9,6 +9,8 @@ SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
+    android:descendantFocusability="afterDescendants"
+    android:focusable="false"
     android:layout_height="match_parent"
     tools:context="org.kde.kdeconnect.UserInterface.DeviceFragment">
 
@@ -26,6 +28,7 @@ SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted
 
     <androidx.core.widget.NestedScrollView
         android:id="@+id/device_view"
+        android:descendantFocusability="afterDescendants"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 

res/layout/activity_main.xml

@@ -24,6 +24,8 @@ SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted
 
         <FrameLayout
             android:id="@+id/container"
+            android:descendantFocusability="afterDescendants"
+            android:focusable="false"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:layout_behavior="@string/appbar_scrolling_view_behavior"

res/layout/devices_list.xml

@@ -19,6 +19,7 @@ SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted
         android:layout_height="match_parent"
         android:addStatesFromChildren="true"
         android:divider="@null"
+        android:descendantFocusability="afterDescendants"
         android:dividerHeight="12dp"
         android:orientation="vertical"
         tools:listitem="@layout/list_card_entry"

res/layout/fragment_about.xml

@@ -26,6 +26,8 @@ SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_margin="12dp"
+            android:clickable="false"
+            android:focusable="false"
             card_view:cardUseCompatPadding="true">
 
             <LinearLayout

res/layout/pairing_explanation_not_trusted.xml

@@ -12,6 +12,7 @@ SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted
     android:layout_height="wrap_content"
     android:background="?attr/selectableItemBackground"
     android:clickable="false"
+    android:focusable="false"
     android:drawablePadding="8dp"
     android:paddingTop="16dp"
     android:paddingBottom="12dp"

res/layout/pairing_explanation_text.xml

@@ -16,6 +16,7 @@ SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted
     android:paddingRight="16dp"
     android:text="@string/pairing_description"
     android:clickable="false"
+    android:focusable="false"
     android:background="@android:color/transparent"
     >
 

src/org/kde/kdeconnect/UserInterface/List/SectionItem.java

@@ -30,6 +30,8 @@ public class SectionItem implements ListAdapter.Item {
         //Make it not selectable
         binding.getRoot().setOnClickListener(null);
         binding.getRoot().setOnLongClickListener(null);
+        binding.getRoot().setFocusable(false);
+        binding.getRoot().setClickable(false);
 
         binding.listItemCategoryText.setText(title);