Close giphy keyboard when search button is pressed

Fixes #5807
// FREEBIE

src/org/thoughtcrime/securesms/giph/ui/GiphyActivityToolbar.java

@@ -9,11 +9,15 @@ import android.text.Editable;
 import android.text.InputType;
 import android.text.TextWatcher;
 import android.util.AttributeSet;
+import android.view.KeyEvent;
 import android.view.TouchDelegate;
 import android.view.View;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputMethodManager;
 import android.widget.EditText;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
+import android.widget.TextView;
 
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.components.AnimatingToggle;
@@ -96,6 +100,18 @@ public class GiphyActivityToolbar extends Toolbar {
       }
     });
 
+    this.searchText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
+      @Override
+      public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+        if (actionId == EditorInfo.IME_ACTION_SEARCH) {
+          InputMethodManager inputMethodManager = (InputMethodManager)getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
+          inputMethodManager.hideSoftInputFromWindow(searchText.getWindowToken(), 0);
+        }
+
+        return false;
+      }
+    });
+
     expandTapArea(this, action);
     expandTapArea(toggleContainer, gridToggle);
   }