Chronometer

 

 

mainActivity.xml

    <Chronometer
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/chronometer"
        android:visibility="invisible"
        android:textColor="#ff0000"
        android:textSize="25dp"
        android:layout_above="@+id/videoOnlineImageButton"
        android:layout_alignStart="@+id/videoOnlineImageButton" />

 

private Chronometer mChronometer;

mChronometer = (Chronometer) findViewById(R.id.chronometer);

 

 

To start

                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        mChronometer.setBase(SystemClock.elapsedRealtime());
                        mChronometer.setVisibility(View.VISIBLE);
                        mChronometer.start();
                    }
                });

To stop

      mChronometer.stop();
      mChronometer.setVisibility(View.INVISIBLE);