Android 計時器 分：秒：毫秒 http://download.csdn.net/detail/tangjili5620/9876529
阿新 • • 發佈：2019-01-29
http://download.csdn.net/detail/tangjili5620/9876529
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" android:layout_width="match_parent" android:layout_height="match_parent"android:orientation="vertical" tools:context="com.demo.mytime.MainActivity"> <TextView android:id="@+id/tvTime" android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center" android:text="@string/init_time_100millisecond" android:textSize="21sp" /> <LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center" android:orientation="horizontal"> <ImageButton android:id="@+id/btnStartPaunse" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/start" android:textSize="20sp" /> <ImageButton android:id="@+id/btnStart" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/pause" android:textSize="20sp" /> <ImageButton android:id="@+id/btnStop" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/stop" android:textSize="20sp" /> <ImageButton android:id="@+id/btnadd" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/add" android:textSize="20sp" /> <ImageButton android:id="@+id/btndel" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/delect" android:textSize="20sp" /> </LinearLayout> <ListView android:id="@+id/list" android:layout_width="match_parent" android:layout_height="wrap_content" /> </LinearLayout>
package com.demo.mytime; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.View; import android.widget.AdapterView; import android.widget.ImageButton; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import java.util.ArrayList; import java.util.List; import java.util.Timer; import java.util.TimerTask; public class MainActivity extends AppCompatActivity implements View.OnClickListener { protected ImageButton btnStartPaunse; protected ImageButton btnStart; protected LinearLayout activityMain; protected ListView list; protected ImageButton btnadd; protected ImageButton btndel; private long mlCount = 0; private long mlTimerUnit = 10; private TextView tvTime; private ImageButton btnStop; private Timer timer = null; private TimerTask task = null; private Handler handler = null; private Message msg = null; private boolean bIsRunningFlg = false; private int yushu = 0; private int min = 0; private int sec = 0; private int totalSec = 0; private List<String> times = new ArrayList<>(); private MyAdaptere adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); super.setContentView(R.layout.activity_main); initView(); tvTime.setText(R.string.init_time_100millisecond); // Handle timer message handler = new Handler() { @Override public void handleMessage(Message msg) { // TODO Auto-generated method stub switch (msg.what) { case 1: mlCount++; totalSec = 0; // 100 millisecond totalSec = (int) (mlCount / 100); yushu = (int) (mlCount % 100); // Set time display min = (totalSec / 60); sec = (totalSec % 60); try { // 100 millisecond tvTime.setText(String.format("%1$02d:%2$02d:%3$d", min, sec, yushu)); } catch (Exception e) { tvTime.setText("" + min + ":" + sec + ":" + yushu); e.printStackTrace(); Log.e("MyTimer onCreate", "Format string error."); } break; default: break; } super.handleMessage(msg); } }; } @Override public void onClick(View view) { // Start and pause if (view.getId() == R.id.btnStartPaunse) { if (null == timer) { if (null == task) { task = new TimerTask() { @Override public void run() { // TODO Auto-generated method stub if (null == msg) { msg = new Message(); } else { msg = Message.obtain(); } msg.what = 1; handler.sendMessage(msg); } }; } timer = new Timer(true); timer.schedule(task, mlTimerUnit, mlTimerUnit); // set timer duration } // 清除 } else if (view.getId() == R.id.btnStop) { if (null != timer) { task.cancel(); task = null; timer.cancel(); // Cancel timer timer.purge(); timer = null; handler.removeMessages(msg.what); } mlCount = 0; // 100 millisecond tvTime.setText(R.string.init_time_100millisecond); } else if (view.getId() == R.id.btnStart) { Toast.makeText(MainActivity.this, "try " + mlCount + " " + String.format("%1$02d:%2$02d:%3$d", min, sec, yushu), Toast.LENGTH_SHORT).show(); //暫停 if (null == timer) { if (null == task) { task = new TimerTask() { @Override public void run() { // TODO Auto-generated method stub if (null == msg) { msg = new Message(); } else { msg = Message.obtain(); } msg.what = 1; handler.sendMessage(msg); } }; } timer = new Timer(true); timer.schedule(task, mlTimerUnit, mlTimerUnit); // set timer duration } try { bIsRunningFlg = false; task.cancel(); task = null; timer.cancel(); // Cancel timer timer.purge(); timer = null; handler.removeMessages(msg.what); } catch (Exception e) { e.printStackTrace(); } } else if (view.getId() == R.id.btnadd) { //新增資料 times.add(String.format("%1$02d:%2$02d:%3$d", min, sec, yushu)); adapter.notifyDataSetChanged(); } else if (view.getId() == R.id.btndel) { //清空資料 times.clear(); adapter.notifyDataSetChanged(); } } private void initView() { tvTime = (TextView) findViewById(R.id.tvTime); btnStartPaunse = (ImageButton) findViewById(R.id.btnStartPaunse); btnStartPaunse.setOnClickListener(MainActivity.this); btnStop = (ImageButton) findViewById(R.id.btnStop); btnStop.setOnClickListener(MainActivity.this); btnStart = (ImageButton) findViewById(R.id.btnStart); btnStart.setOnClickListener(MainActivity.this); activityMain = (LinearLayout) findViewById(R.id.activity_main); list = (ListView) findViewById(R.id.list); adapter = new MyAdaptere(times, this); list.setAdapter(adapter); list.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Toast.makeText(MainActivity.this, times.get(position) + "", Toast.LENGTH_SHORT).show(); } }); btnadd = (ImageButton) findViewById(R.id.btnadd); btnadd.setOnClickListener(MainActivity.this); btndel = (ImageButton) findViewById(R.id.btndel); btndel.setOnClickListener(MainActivity.this); } }