attempt to fix OK again

src/io/github/sspanak/tt9/ime/TraditionalT9.java

@@ -155,15 +155,19 @@ protected void onRestart(EditorInfo inputField) {
 	protected void onFinishTyping() {
 		isActive = false;
 
-		hideStatusIcon();
+		if (isInputViewShown()) {
+			hideStatusIcon();
+		}
 		mEditing = NON_EDIT;
 	}
 
 
 	protected void onStop() {
 		onFinishTyping();
 		clearSuggestions();
-		hideWindow();
+		if (isInputViewShown()) {
+			hideWindow();
+		}
 
 		softKeyHandler.hide();
 	}
@@ -616,7 +620,24 @@ private boolean performOKAction() {
 			case EditorInfo.IME_ACTION_NONE:
 				return false;
 			case TextField.IME_ACTION_ENTER:
-				sendDownUpKeyEvents(KeyEvent.KEYCODE_ENTER);
+				String oldText = textField.getTextBeforeCursor() + textField.getTextAfterCursor();
+
+				sendDownUpKeyEvents(KeyEvent.KEYCODE_DPAD_CENTER);
+
+				try {
+					// In Android there is no strictly defined confirmation key, hence DPAD_CENTER may have done nothing.
+					// If so, send an alternative key code as a final resort.
+					Thread.sleep(80);
+					String newText = textField.getTextBeforeCursor() + textField.getTextAfterCursor();
+					if (newText.equals(oldText)) {
+						sendDownUpKeyEvents(KeyEvent.KEYCODE_ENTER);
+					}
+				} catch (InterruptedException e) {
+					// This thread got interrupted. Assume it's because the connected application has taken an action
+					// after receiving DPAD_CENTER, so we don't need to do anything else.
+					return true;
+				}
+
 				return true;
 			default:
 				return currentInputConnection.performEditorAction(action);