CheckField Android studio
CheckField Android studio #python #coding #android #easy #how #short #programming #fast #studio:
package com.example.myapplication;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
Button mybtn;
EditText myedittext;
Toast mytoast;
boolean valid = true;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
myedittext = findViewById(R.id.editTextTextPersonName);
mybtn = findViewById(R.id.button);
mybtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
checkField(myedittext);
Toast.makeText(MainActivity.this,"Your name is "+myedittext.getText(),Toast.LENGTH_SHORT).show();
}
});
};
public Boolean checkField(EditText textField) {
if (textField.getText().toString().isEmpty()) {
textField.setError("enter your full name please ");
valid = false;
} else {
valid = true;
}
return valid;
}
}
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