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I'm new to Android Studio and Android development. So I was following the tutorial given by developer.android.com and I'm having an error in this line : EditText editText = (EditText) findViewById(R.id.editText); The error is saying that : cannot find symbol variable editText .

This is part of my code :

import android.os.Bundle;
import android.widget.EditText;
public class MainActivity extends AppCompatActivity {
    public void sendMessage(View view){
        EditText editText = (EditText) findViewById(R.id.editText);
        String message = editText.getText().toString();
Make sure that you have assigned the id for your EditText in the activity_main.xml as below:
<EditText
    android:id="@+id/editText"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />
                Just hit this same error! For me, it occurred when the I made a mistake trying to type in a new name over the default name of the widget. The Android tutorial has been impressive so far, but I wish they had put in an explanation of the line in code in question rather than skipping over it. That would have made it a bit easier to figure out what was going wrong.
– Phil Freihofner
                Jul 21, 2020 at 7:03
You are probably missing the edit text in your XML. If not, perhaps the id you gave it differs from editText.
<EditText
    android:layout_width="368dp"
    android:layout_height="wrap_content"
    android:id="@+id/editText" />
The reason is that you need to write editTextTextPersonName2 instead of editText to match the definition in activity_main.xml:
android:id="@+id/editTextTextPersonName2"
The code shall thus be as follows:
public void sendMessage(View view) 
    Intent intent = new Intent(this, DisplayMessageActivity.class);
    EditText editText = (EditText) findViewById(R.id.editTextTextPersonName2);
    String message = editText.getText().toString();
    intent.putExtra(EXTRA_MESSAGE, message);
    startActivity(intent);
        
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