Si necesitas obtener el tiempo real que consume un algoritmo o acción dentro de tu aplicación, con esta libreria puedes obtenerlos.

WIKI

A continuación se presentará a la forma de utilizar esta libreria:

• How to use (Kotlin):

//Obtiene una instancia del objeto Chronometer y deja todo preparado para ser utilizado
val chronometer: Chronometer = Chronometer()
chronometer.startClock()

... 

val time = chronometer.stopClock()
Log.d(javaClass::getName.toString(), "time: $time")

• How to use (Java):

//Obtiene una instancia del objeto Chronometer y deja todo preparado para ser utilizado
Chronometer chronometer = new Chronometer();
chronometer.startClock();

... 

double time = chronometer.stopClock();
Log.d(getName.toString(), "time: "+ time);

Instalación

• Paso 1. Agregue el repositorio de JitPack a su archivo de compilación

allprojects {
    repositories {
        maven { url 'https://jitpack.io' }
    }
}

• Paso 2. Agrega la dependencia

dependencies {
   implementation 'com.github.TioComeGfas:Chronometer:1.1'
}

Requisitos

• SDK MIN: API 21
• SDK MAX: API 31

Licencia

• El codigo fuente de C++ fue creado por el DR. Miguel Romero, yo solo exporte su libreria para que corriera en Android.

  MIT License
  
  Copyright (c) 2021 TioComeGfas
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.