How to show Error Message in EditText ?

Hello,

This article is for Beginner and people who want to learn Android .This article is about How to show Error Message in EditText Example. 

1. XML File .

activity_main -

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:gravity="center"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

<EditText
    android:id="@+id/edt"
    android:text="Android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:hint="Enter Name"/>


</LinearLayout>

2.Java File
MainActivity

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.EditText;


public class MainActivity extends AppCompatActivity {
EditText edt;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        edt=findViewById(R.id.edt);
        if(edt.getText().toString().equals(""))
        {
            edt.setError("Enter Name");
        }
        else
        {

        }

    }
}