When Clicked Exit / Close Button Then Show Dialog Alert

First Method

Java

      

        exit.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

             AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
                builder.setTitle(R.string.app_name);
                builder.setIcon(R.mipmap.ic_launcher);
                builder.setMessage("Do You Want to exit?")
                        .setCancelable(false)
                        .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialogInterface, int i) {
                                finish();
                            }
                        })
                        .setNegativeButton("No", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialogInterface, int i) {
                                dialogInterface.cancel();
                            }
                        }).show();
            }
        });