Extend DPAD support.

Allows the hardware DPAD to control more of the UI.

Closes #4989
// FREEBIE

src/org/thoughtcrime/securesms/MessageRecipientListItem.java

@@ -109,6 +109,7 @@ public class MessageRecipientListItem extends RelativeLayout
     } else if (networkFailure != null || (!isPushGroup && record.isFailed())) {
       resendButton.setVisibility(View.VISIBLE);
       resendButton.setEnabled(true);
+      resendButton.requestFocus();
       conflictButton.setVisibility(View.GONE);
 
       errorText = getContext().getString(R.string.MessageDetailsRecipient_failed_to_send);

src/org/thoughtcrime/securesms/RegistrationActivity.java

@@ -9,6 +9,7 @@ import android.text.Editable;
 import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.util.Log;
+import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;
 import android.widget.ArrayAdapter;
@@ -120,6 +121,17 @@ public class RegistrationActivity extends BaseActionBarActivity {
         return true;
       }
     });
+    this.countrySpinner.setOnKeyListener(new View.OnKeyListener() {
+      @Override
+      public boolean onKey(View v, int keyCode, KeyEvent event) {
+        if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER && event.getAction() == KeyEvent.ACTION_UP) {
+          Intent intent = new Intent(RegistrationActivity.this, CountrySelectionActivity.class);
+          startActivityForResult(intent, PICK_COUNTRY);
+          return true;
+        }
+        return false;
+      }
+    });
   }
 
   private void initializeNumber() {