Nativo AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this); builder.setTitle("ALERTA !!"); builder.setMessage("CADASTRADO COM SUCESSO !"); builder.setCancelable(false); builder.setPositiveButton("Sim", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { } }); builder.setNegativeButton("Não", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) {

} }); builder.create().show();

Sweet // Mostra a mensagem de erro. new SweetAlertDialog(LoginActivity.this, SweetAlertDialog.ERROR_TYPE) .setTitleText("Erro") .setContentText(responseError.getMensagem()) .setConfirmClickListener(new SweetAlertDialog.OnSweetClickListener() { @Override public void onClick(SweetAlertDialog sweetAlertDialog) { sweetAlertDialog.dismissWithAnimation(); } }).show(); implementation 'com.github.thomper:sweet-alert-dialog:v1.4.0'