chronoment暂停方法的实现

来源：互联网发布：ubuntu iso 下载编辑：程序博客网时间：2024/04/30 05:45
package com.example.king.chronometer;import android.app.Activity;import android.os.SystemClock;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.Chronometer;public class MainActivity extends Activity {    private Button start, stop, rest;    Chronometer chronometer = null;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        start = (Button) findViewById(R.id.start);        stop = (Button) findViewById(R.id.stop);        rest = (Button) findViewById(R.id.rest);        chronometer = (Chronometer) findViewById(R.id.chronometer);        start.setOnClickListener(clickListener);        stop.setOnClickListener(clickListener);        rest.setOnClickListener(clickListener);    }    private View.OnClickListener clickListener = new View.OnClickListener() {        @Override        public void onClick(View v) {            switch (v.getId()) {                case R.id.start:                    //调用start()方法开始计时                    chronometer.setBase(convertStrTimeToLong(chronometer.getText().toString()));                    chronometer.start();                    start.setText("正在计时...");                    break;                case R.id.stop:                    //调用stop()方法停止计时                    chronometer.stop();                    start.setText("继续计时");                    break;                case R.id.rest:                    //调用stop()方法停止计时                    chronometer.setBase(SystemClock.elapsedRealtime());                    chronometer.stop();                    start.setText("正在计时...");                    break;                default:                    break;            }        }    };    public long convertStrTimeToLong(String strTime) {        String[] timeArry = strTime.split(":");        long longTime = 0;            longTime = Integer.parseInt(timeArry[0]) * 1000 * 60 + Integer.parseInt(timeArry[1]) * 1000;        return longTime-SystemClock.elapsedRealtime() ;    }}
0 0