How to display Toast in a thread : Android

If you are working in a non UI thread and you try to display a Toast message, you will get an error message like,

java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
    at android.os.Handler.(
    at android.widget.Toast.(
    at android.widget.Toast.makeText(

⛏️ To solve this you need to use runOnUiThread() method

myActivity.runOnUiThread(new Runnable() {
  public void run() {
    Toast.makeText(myActivity, "Toast Message Text!", Toast.LENGTH_LONG).show();
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