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aplicacionvibrar's Introduction

Aplicacion usando servicios de sistema

En esta aplicacion aprenderemos a usar los servicios de sistema, para ello deberas de estudiar la clase Chécala aquí.

Para poder usar esta clase vamos a utilizar sobre nuestra Activity el método getSystemSrvice(getApplicationContext().TU_SERVICIO), donde en este caso el nombre de servico es el nombre de servic icio que debes acceder, que en la clase abstracta Service vienen como constantes diferentes. Una vez que lo hagas verifica el tipo de retorno que tiene y haz el casting respectivo, como ejemplo esta el servicio para vibrar VIBRATOR_SERVICE, a continuación se muestra el código. dentro de un evento de boton flotante.

FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
           Vibrator vibrator= (Vibrator) getSystemService(getApplicationContext().VIBRATOR_SERVICE);
                vibrator.vibrate(2000);
            }
        });

Para cada servicio deberás verificar en als API's la referencia respectiva a hacer el casting

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