Allow hardware select, focus fixes

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -61,6 +61,7 @@ import android.text.style.ImageSpan;
 import android.text.style.QuoteSpan;
 import android.text.style.URLSpan;
 import android.util.TypedValue;
+import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -218,8 +219,8 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
     ));
 
     public class ViewHolder extends RecyclerView.ViewHolder implements
-            View.OnClickListener,
+            View.OnClickListener, View.OnLongClickListener, View.OnKeyListener,
-            BottomNavigationView.OnNavigationItemSelectedListener, View.OnLongClickListener {
+            BottomNavigationView.OnNavigationItemSelectedListener {
         private View view;
         private View vwColor;
         private ImageView ivExpander;
@@ -471,6 +472,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                     view.setTouchDelegate(new TouchDelegate(rect, touch));
                 }
             });
+            view.setOnKeyListener(this);
 
             ivSnoozed.setOnClickListener(this);
             ivFlagged.setOnClickListener(this);
@@ -499,11 +501,9 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
 
         private void unwire() {
-            if (viewType == ViewType.THREAD) {
+            final View touch = (viewType == ViewType.THREAD ? ivExpander : vwColor);
-                vwColor.setOnClickListener(null);
+            touch.setOnClickListener(null);
-                ivExpander.setOnClickListener(null);
+            view.setOnKeyListener(null);
-            } else
-                view.setOnClickListener(null);
 
             ivSnoozed.setOnClickListener(null);
             ivFlagged.setOnClickListener(null);
@@ -1540,6 +1540,18 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             return false;
         }
 
+        @Override
+        public boolean onKey(View view, int keyCode, KeyEvent keyEvent) {
+            if (keyEvent.getAction() == KeyEvent.ACTION_DOWN &&
+                    (keyCode == KeyEvent.KEYCODE_ENTER ||
+                            keyCode == KeyEvent.KEYCODE_DPAD_CENTER ||
+                            keyCode == KeyEvent.KEYCODE_BUTTON_A)) {
+                onClick(view);
+                return true;
+            } else
+                return false;
+        }
+
         private void onShowSnoozed(TupleMessageEx message) {
             if (message.ui_snoozed != null) {
                 DateFormat DTF = Helper.getDateTimeInstance(context, SimpleDateFormat.MEDIUM, SimpleDateFormat.SHORT);

app/src/main/res/drawable/activatable_item_background_dark.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <!--item android:drawable="@color/colorPrimary" android:state_focused="true" /-->
     <item android:drawable="@color/darkColorItemSelected" android:state_activated="true" />
     <item android:drawable="@android:color/transparent" />
 </selector>

app/src/main/res/drawable/activatable_item_background_light.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <!--item android:drawable="@color/colorPrimary" android:state_focused="true" /-->
     <item android:drawable="@color/lightColorItemSelected" android:state_activated="true" />
     <item android:drawable="@android:color/transparent" />
 </selector>

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

@@ -1,7 +1,6 @@
 <?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"
-    android:id="@+id/clItem"
     android:layout_width="match_parent"
     android:layout_height="wrap_content">
 

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

@@ -1,13 +1,8 @@
 <?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"
-    android:id="@+id/clItem"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:background="?attr/activatableItemBackground"
-    android:descendantFocusability="beforeDescendants"
-    android:focusable="true"
-    android:focusableInTouchMode="true"
     android:paddingEnd="3dp">
 
     <View

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

@@ -1,12 +1,7 @@
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/clItem"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:background="?attr/activatableItemBackground"
-    android:descendantFocusability="beforeDescendants"
-    android:focusable="true"
-    android:focusableInTouchMode="true"
     android:paddingEnd="3dp">
 
     <View

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

@@ -8,7 +8,10 @@
         android:id="@+id/clItem"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:background="?attr/activatableItemBackground">
+        android:background="?attr/activatableItemBackground"
+        android:descendantFocusability="beforeDescendants"
+        android:focusable="true"
+        android:focusableInTouchMode="true">
 
         <include
             android:id="@+id/inHeader"

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

@@ -8,7 +8,10 @@
         android:id="@+id/clItem"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:background="?attr/activatableItemBackground">
+        android:background="?attr/activatableItemBackground"
+        android:descendantFocusability="beforeDescendants"
+        android:focusable="true"
+        android:focusableInTouchMode="true">
 
         <include
             android:id="@+id/inHeader"