public class MainActivity extends Activity implements OnClickListener {/*** 待完善*/private Chronometer chronometer = null;private long temp;private boolean isrestart;@Overrideprotected void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);chronometer = (Chronometer) findViewById(R.id.chronometer1);findViewById(R.id.button1).setOnClickListener(this);findViewById(R.id.button2).setOnClickListener(this);findViewById(R.id.button3).setOnClickListener(this);findViewById(R.id.button4).setOnClickListener(this);findViewById(R.id.button5).setOnClickListener(this);}@Overridepublic boolean onCreateOptionsMenu(Menu menu){getMenuInflater().inflate(R.menu.main, menu);return true;}@Overridepublic void onClick(View v){switch (v.getId()){case R.id.button1:btnStartClock();break;case R.id.button2:btnStopClock();break;case R.id.button3:btnResetClock();break;case R.id.button4:btnSetformat();break;case R.id.button5:btnClearformat();break;default:break;}}private void btnClearformat()//清除格式{chronometer.setFormat(null); }private void btnSetformat()//設(shè)置格式{chronometer.setFormat("計(jì)時(shí)：%s"); //設(shè)置計(jì)時(shí)格式，第一個(gè)%s將被hh:mm:ss或者mm:ss代替}private void btnResetClock()//重置時(shí)間{isrestart = true;chronometer.setBase(SystemClock.elapsedRealtime());//設(shè)置計(jì)時(shí)基準(zhǔn)時(shí)間Log.e("setBase", SystemClock.elapsedRealtime()+"");}private void btnStopClock()//停止計(jì)時(shí){chronometer.stop();//記住停止時(shí)間temp = Long.parseLong(chronometer.getText().toString().split(":")[1]) * 1000 +Long.parseLong(chronometer.getText().toString().split(":")[0]) * 60000;//chronometer.getBase();Log.e("getBase", chronometer.getBase()+"");Log.e("getBase", temp+"");}private void btnStartClock()//開始計(jì)時(shí){chronometer.setBase(SystemClock.elapsedRealtime()-temp);//從上次停止時(shí)間開始計(jì)時(shí)chronometer.start();Log.e("getBase", chronometer.getBase()+"");}}

轉(zhuǎn)載于:https://blog.51cto.com/glblong/1206325

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