How can we write a stopwatch timer similar to the following (with the same functionality) without using chronometer class and solely by using "SystemClock" class? Most of the examples I have seen so far are either just using chronometer class or a combination of both. Thanks for your hints:
package com.example.stopwatch;
import com.example.stopwatch.R;
import android.app.Activity;
import android.os.Bundle;
import android.os.SystemClock;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Chronometer;
public class MainActivity extends Activity implements OnClickListener {
private Button start;
private Button stop;
private Button reset;
private Chronometer mydChronometer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
uI();
}
public void uI() {
start = (Button) findViewById(R.id.btstart);
start.setOnClickListener(this);
stop = (Button) findViewById(R.id.btstop);
stop.setOnClickListener(this);
reset = (Button) findViewById(R.id.btreset);
reset.setOnClickListener(this);
mydChronometer = (Chronometer) findViewById(R.id.chronometer1);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public void onClick(View v) {
if (v == start) {
mydChronometer.start();
} else if (v == stop) {
mydChronometer.stop();
} else if (v== reset) {
mydChronometer.setBase(SystemClock.elapsedRealtime());
}
}
}