disable send button until retrieved success of failure from API

Author: VeeShostak

app/src/main/java/io/github/veeshostak/aichat/activities/ChatListActivity.java

@@ -572,6 +572,10 @@ public void onClick(View v) {
  mMessageAdapter.add(chatMessage); // display in RecyclerView while waiting for response
  // END: quickly display userQuery in RecyclerView
 
+
+ // disable send button until retrieve success of failure from API
+ sendBtn.setClickable(false);
+
  // START: send userQuery to dialogFlow API, once obtain response: add to RecyclerView, add chatPost to local Room db
  // pass params
  final String eventString = null;
@@ -673,6 +677,8 @@ private void onResult(final AIResponse response) {
  //resultTextView.setText(gson.toJson(response));
  Log.i(TAG, "Received success response");
 
+ activityReference.get().sendBtn.setClickable(true); // enable button
+
  // get speech from the result object
  final Result result = response.getResult();
  final String speech = result.getFulfillment().getSpeech();
@@ -688,12 +694,12 @@ private void onResult(final AIResponse response) {
  mChatPost.setCreatedAt(DateFormat.getDateTimeInstance().format(new Date()));
  activityReference.get().addChatPostsViewModel.addChatPosts(mChatPost);
 
-
-
  }
 
  private void onError(final AIError error) {
  Log.d(TAG, error.toString());
+ activityReference.get().sendBtn.setClickable(true); // enable button
+
  Toast.makeText(activityReference.get().getApplicationContext(), error.toString(), Toast.LENGTH_LONG).show();
  //resultTextView.setText(error.toString());
  }