Extend DPAD support.

Allows the hardware DPAD to control more of the UI.

Closes #4989
// FREEBIE

res/drawable/clickable_card_dark.xml

@@ -6,5 +6,11 @@
         </shape>
         <layer-list android:src="@drawable/import_export_item_background_dark" />
     </item>
+    <item android:state_focused="true">
+        <shape>
+            <solid android:color="@color/import_export_touch_highlight_dark" />
+        </shape>
+        <layer-list android:src="@drawable/import_export_item_background_dark" />
+    </item>
     <item android:drawable="@drawable/import_export_item_background_dark" />
 </selector>

res/drawable/clickable_card_light.xml

@@ -6,5 +6,11 @@
         </shape>
         <layer-list android:src="@drawable/import_export_item_background_light" />
     </item>
+    <item android:state_focused="true">
+        <shape>
+            <solid android:color="@color/import_export_touch_highlight_light" />
+        </shape>
+        <layer-list android:src="@drawable/import_export_item_background_light" />
+    </item>
     <item android:drawable="@drawable/import_export_item_background_light" />
 </selector>

res/drawable/conversation_item_background.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:drawable="@color/textsecure_primary_alpha33" android:state_selected="true" />
-</selector>
+    <item android:drawable="@color/signal_primary_alpha_focus" android:state_focused="true" />
+</selector>

res/drawable/conversation_list_item_read_background.xml

@@ -2,5 +2,6 @@
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:drawable="@color/textsecure_primary_alpha33" android:state_selected="true" />
     <item android:drawable="@color/textsecure_primary_alpha33" android:state_pressed="true" />
+    <item android:drawable="@color/signal_primary_alpha_focus" android:state_focused="true" />
     <item android:drawable="@color/conversation_list_item_background_read_light" />
-</selector>
+</selector>

res/drawable/conversation_list_item_read_background_dark.xml

@@ -2,5 +2,6 @@
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:drawable="@color/textsecure_primary_alpha33" android:state_selected="true" />
     <item android:drawable="@color/textsecure_primary_alpha33" android:state_pressed="true" />
+    <item android:drawable="@color/signal_primary_alpha_focus" android:state_focused="true" />
     <item android:drawable="@color/conversation_list_item_background_read_dark" />
-</selector>
+</selector>

res/drawable/conversation_list_item_unread_background.xml

@@ -2,5 +2,6 @@
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:drawable="@color/textsecure_primary_alpha33" android:state_selected="true" />
     <item android:drawable="@color/textsecure_primary_alpha33" android:state_pressed="true" />
+    <item android:drawable="@color/signal_primary_alpha_focus" android:state_focused="true" />
     <item android:drawable="@color/conversation_list_item_background_unread_light" />
-</selector>
+</selector>

res/drawable/conversation_list_item_unread_background_dark.xml

@@ -2,5 +2,6 @@
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:drawable="@color/textsecure_primary_alpha33" android:state_selected="true" />
     <item android:drawable="@color/textsecure_primary_alpha33" android:state_pressed="true" />
+    <item android:drawable="@color/signal_primary_alpha_focus" android:state_focused="true" />
     <item android:drawable="@color/conversation_list_item_background_unread_dark" />
-</selector>
+</selector>

res/drawable/reminder_background.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true" android:drawable="@color/signal_primary" />
+    <item android:state_focused="true" android:drawable="@color/signal_primary" />
+    <item android:drawable="@color/signal_primary_dark" />
+</selector>

res/drawable/touch_highlight_background.xml

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

res/layout/contact_filter_toolbar.xml

@@ -47,6 +47,7 @@
                            android:layout_gravity="center_vertical"
                            android:gravity="center_vertical"
                            android:clickable="true"
+                           android:focusable="true"
                            android:background="@drawable/circle_touch_highlight_background"
                            android:src="@drawable/ic_dialpad_white_24dp" />
 
@@ -57,6 +58,7 @@
                            android:gravity="center_vertical"
                            android:clickable="true"
                            android:visibility="gone"
+                           android:focusable="true"
                            android:background="@drawable/circle_touch_highlight_background"
                            android:src="@drawable/ic_keyboard_white_24dp" />
 
@@ -67,6 +69,7 @@
                            android:gravity="center_vertical"
                            android:clickable="true"
                            android:visibility="gone"
+                           android:focusable="true"
                            android:background="@drawable/circle_touch_highlight_background"
                            android:src="@drawable/ic_clear_white_24dp" />
 
@@ -76,4 +79,4 @@
 
     </LinearLayout>
 
-</merge>
+</merge>

res/layout/contact_selection_list_item.xml

@@ -8,6 +8,8 @@
         android:layout_height="?android:attr/listPreferredItemHeight"
         android:orientation="horizontal"
         android:gravity="center_vertical"
+        android:focusable="true"
+        android:background="@drawable/conversation_item_background"
         android:paddingLeft="48dp"
         android:paddingRight="20dp">
 

res/layout/conversation_item_received.xml

@@ -6,6 +6,9 @@
         android:paddingRight="10dip"
         android:orientation="vertical"
         android:background="@drawable/conversation_item_background"
+        android:focusable="true"
+        android:nextFocusLeft="@+id/container"
+        android:nextFocusRight="@+id/embedded_text_editor"
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:tools="http://schemas.android.com/tools"
         xmlns:app="http://schemas.android.com/apk/res-auto">

res/layout/conversation_item_sent.xml

@@ -7,6 +7,9 @@
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:orientation="horizontal"
+        android:focusable="true"
+        android:nextFocusLeft="@id/container"
+        android:nextFocusRight="@id/embedded_text_editor"
         android:background="@drawable/conversation_item_background">
 
     <RelativeLayout android:layout_width="match_parent"

res/layout/conversation_list_item_view.xml

@@ -4,6 +4,9 @@
         xmlns:app="http://schemas.android.com/apk/res-auto"
         xmlns:tools="http://schemas.android.com/tools"
         android:layout_width="match_parent"
+        android:focusable="true"
+        android:nextFocusRight="@+id/fab"
+        android:nextFocusLeft="@+id/container"
         android:layout_height="70dp">
 
     <org.thoughtcrime.securesms.components.AvatarImageView

res/layout/export_fragment.xml

@@ -60,7 +60,8 @@
                       android:layout_height="wrap_content"
                       android:layout_marginTop="10dip"
                       android:background="?import_export_item_card_background"
-                      android:orientation="vertical">
+                      android:orientation="vertical"
+                      android:focusable="true">
 
             <LinearLayout android:orientation="horizontal"
                           android:layout_width="wrap_content"

res/layout/import_fragment.xml

@@ -17,6 +17,7 @@
                   android:layout_width="match_parent"
                   android:layout_height="wrap_content"
                   android:background="?import_export_item_card_background"
+                  android:focusable="true"
                   android:orientation="vertical">
 
         <LinearLayout android:orientation="horizontal"
@@ -60,6 +61,7 @@
                   android:layout_height="wrap_content"
                   android:layout_marginTop="10dip"
                   android:background="?import_export_item_card_background"
+                  android:focusable="true"
                   android:orientation="vertical">
 
         <LinearLayout android:orientation="horizontal"
@@ -104,6 +106,7 @@
                   android:layout_height="wrap_content"
                   android:layout_marginTop="10dip"
                   android:background="?import_export_item_card_background"
+                  android:focusable="true"
                   android:orientation="vertical">
 
         <LinearLayout android:orientation="horizontal"

res/layout/reminder_header.xml

@@ -13,7 +13,9 @@
                   tools:visibility="visible"
                   android:padding="2dp"
                   android:gravity="center_vertical"
-                  android:background="?reminder_header_background">
+                  android:focusable="true"
+                  android:nextFocusRight="@+id/cancel"
+                  android:background="@drawable/reminder_background">
 
         <LinearLayout android:id="@+id/reminder"
                       android:layout_width="0dp"
@@ -55,6 +57,9 @@
                              android:layout_width="40dp"
                              android:layout_height="40dp"
                              android:padding="10dp"
+                             android:focusable="true"
+                             android:nextFocusRight="@+id/container"
+                             android:nextFocusLeft="@+id/container"
                              android:background="@drawable/touch_highlight_background"
                              android:src="@drawable/ic_close_white_24dp"/>
             </LinearLayout>

res/values/colors.xml

@@ -3,6 +3,7 @@
     <color name="signal_primary">#ff2090ea</color>
     <color name="signal_primary_dark">#ff1c7ac5</color>
     <color name="signal_primary_alpha33">#552090ea</color>
+    <color name="signal_primary_alpha_focus">#882090ea</color>
 
     <color name="textsecure_primary">@color/signal_primary</color>
     <color name="textsecure_primary_dark">@color/signal_primary_dark</color>
@@ -49,4 +50,4 @@
     <color name="import_export_item_background_shadow_dark">#ff222222</color>
     <color name="import_export_touch_highlight_light">#400099cc</color>
     <color name="import_export_touch_highlight_dark">#40ffffff</color>
-</resources>
+</resources>