activity_main.xmlMainActivity.java
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.application.exampleapp.MainActivity">

    <TextView
        android:id="@+id/counter_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="0"
        android:textSize="60sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

package com.example.application.exampleapp;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    private TextView counterText;
    private BroadcastReceiver minuteUpdateReceiver;
    private int counter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        counterText = (TextView) findViewById(R.id.counter_text);
    }

    public void startMinuteUpdater() {
        IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction(Intent.ACTION_TIME_TICK);
        minuteUpdateReceiver = new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {
                counter++;
                counterText.setText("" + counter);
            }
        };

        registerReceiver(minuteUpdateReceiver, intentFilter);
    }

    @Override
    protected void onResume() {
        super.onResume();
        startMinuteUpdater();
    }

    @Override
    protected void onPause() {
        super.onPause();
        unregisterReceiver(minuteUpdateReceiver);
    }
}