Fixed back button

Author: sowmen

app/src/main/java/com/example/chatfull/ChatActivity.java

@@ -38,6 +38,7 @@
 import com.flask.colorpicker.OnColorSelectedListener;
 import com.flask.colorpicker.builder.ColorPickerClickListener;
 import com.flask.colorpicker.builder.ColorPickerDialogBuilder;
+import com.google.android.material.snackbar.Snackbar;
 import com.google.gson.Gson;
 import com.stfalcon.chatkit.commons.ImageLoader;
 import com.stfalcon.chatkit.messages.MessageHolders;
@@ -160,6 +161,9 @@ public void loadImage(ImageView imageView, @Nullable String url, @Nullable Objec
 
  adapter.setOnMessageLongClickListener(this);
  loaded = false;
+ btnSend.setEnabled(true);
+ btnAttachment.setEnabled(true);
+ btnImage.setEnabled(true);
  }
 
  @Override
@@ -433,32 +437,40 @@ public void setMessage(final Message msg) {
  sender.cancel(true);
  if (messageReceiveServer != null)
  messageReceiveServer.onDestroy();
- this.finish();
- return;
- }
-
- runOnUiThread(new Runnable() {
- @Override
- public void run() {
- if (msg.getText() != null) {
- msg.setUser(user);
- adapter.addToStart(msg, true);
- messageArrayList.add(msg);
- } else if (msg.isImage()) {
- msg.setUser(user);
- adapter.addToStart(msg, true);
- messageArrayList.add(msg);
- } else if (msg.isFile()) {
- msg.setUser(user);
- adapter.addToStart(msg, true);
- messageArrayList.add(msg);
- } else if (msg.isColor()) {
- back_view.setBackgroundColor(msg.getColor());
+ runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ Snackbar.make(btnSend, user.getName() + " is Offline. Messages will not be sent.", Snackbar.LENGTH_INDEFINITE)
+ .show();
+ btnSend.setEnabled(false);
+ btnAttachment.setEnabled(false);
+ btnImage.setEnabled(false);
  }
+ });
+ } else {
+ runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ if (msg.getText() != null) {
+ msg.setUser(user);
+ adapter.addToStart(msg, true);
+ messageArrayList.add(msg);
+ } else if (msg.isImage()) {
+ msg.setUser(user);
+ adapter.addToStart(msg, true);
+ messageArrayList.add(msg);
+ } else if (msg.isFile()) {
+ msg.setUser(user);
+ adapter.addToStart(msg, true);
+ messageArrayList.add(msg);
+ } else if (msg.isColor()) {
+ back_view.setBackgroundColor(msg.getColor());
+ }
 
 
- }
- });
+ }
+ });
+ }
  }
 
  @Override
@@ -484,6 +496,9 @@ protected void onPause() {
 
  @Override
  public void onBackPressed() {
+ btnSend.setEnabled(true);
+ btnAttachment.setEnabled(true);
+ btnImage.setEnabled(true);
  Log.e("CHAT_ACTIVITY", "PAUSE");
  if(saved == false) {
  String jsonDataString = gson.toJson(messageArrayList);