Answers for "alert dialog with textfield inside android studio"

dialog with edittext android

AlertDialog.Builder alertDialog = new AlertDialog.Builder(MainActivity.this);
 alertDialog.setTitle("PASSWORD");
 alertDialog.setMessage("Enter Password");

 final EditText input = new EditText(MainActivity.this);
 LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
     LinearLayout.LayoutParams.MATCH_PARENT,
     LinearLayout.LayoutParams.MATCH_PARENT);
 input.setLayoutParams(lp);
 alertDialog.setView(input);
 alertDialog.setIcon(R.drawable.key);

 alertDialog.setPositiveButton("YES",
     new DialogInterface.OnClickListener() {
         public void onClick(DialogInterface dialog, int which) {
             password = input.getText().toString();
             if (password.compareTo("") == 0) {
                 if (pass.equals(password)) {
                     Toast.makeText(getApplicationContext(),
                         "Password Matched", Toast.LENGTH_SHORT).show();
                     Intent myIntent1 = new Intent(view.getContext(),
                         Show.class);
                     startActivityForResult(myIntent1, 0);
                 } else {
                     Toast.makeText(getApplicationContext(),
                         "Wrong Password!", Toast.LENGTH_SHORT).show();
                 }
             }
         }
     });

 alertDialog.setNegativeButton("NO",
     new DialogInterface.OnClickListener() {
         public void onClick(DialogInterface dialog, int which) {
             dialog.cancel();
         }
     });

 alertDialog.show();
 }

 });

android studio alert dialog box

package org.geeksforgeeks.navedmalik.alertdialog;
  
import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
  
public class MainActivity extends AppCompatActivity {
  
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
  
    // Declare the onBackPressed method
    // when the back button is pressed
    // this method will call
    @Override
    public void onBackPressed()
    {
  
        // Create the object of
        // AlertDialog Builder class
        AlertDialog.Builder builder
            = new AlertDialog
                  .Builder(MainActivity.this);
  
        // Set the message show for the Alert time
        builder.setMessage("Do you want to exit ?");
  
        // Set Alert Title
        builder.setTitle("Alert !");
  
        // Set Cancelable false
        // for when the user clicks on the outside
        // the Dialog Box then it will remain show
        builder.setCancelable(false);
  
        // Set the positive button with yes name
        // OnClickListener method is use of
        // DialogInterface interface.
  
        builder
            .setPositiveButton(
                "Yes",
                new DialogInterface
                    .OnClickListener() {
  
                        @Override
                        public void onClick(DialogInterface dialog,
                                            int which)
                        {
  
                            // When the user click yes button
                            // then app will close
                            finish();
                        }
                    });
  
        // Set the Negative button with No name
        // OnClickListener method is use
        // of DialogInterface interface.
        builder
            .setNegativeButton(
                "No",
                new DialogInterface
                    .OnClickListener() {
  
                        @Override
                        public void onClick(DialogInterface dialog,
                                            int which)
                        {
  
                            // If user click no
                            // then dialog box is canceled.
                            dialog.cancel();
                        }
                    });
  
        // Create the Alert dialog
        AlertDialog alertDialog = builder.create();
  
        // Show the Alert Dialog box
        alertDialog.show();
    }
}