自定义DigitalClock的布局

 

 

 

布局空间设置

DigitalClock

 

package com.javen.digitalclock;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import android.content.Context;import android.os.Handler;import android.os.Message;import android.util.AttributeSet;import android.view.LayoutInflater;import android.widget.LinearLayout;import android.widget.TextView;public class DigitalClock extends LinearLayout {        static SimpleDateFormat sdf_time = new SimpleDateFormat("hh:mm:ss");        static SimpleDateFormat sdf_date = new SimpleDateFormat("yyyy年MM月dd日");        static Calendar cal = Calendar.getInstance();        private TextView textViewTime, textViewDate, textViewWeek;//        public DigitalClock(Context context, AttributeSet attrs, int defStyle) {//                super(context, attrs, defStyle);//        }        public DigitalClock(Context context, AttributeSet attrs) {                super(context, attrs);                // 使用layoutinflater把布局加载到本ViewGroup                LayoutInflater inflater = (LayoutInflater) context                                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);                inflater.inflate(R.layout.digitalcolck_layout, this);                textViewTime = (TextView) findViewById(R.id.textViewTime);                textViewDate = (TextView) findViewById(R.id.textViewDate);                textViewWeek = (TextView) findViewById(R.id.textViewWeek);                startThread();        }        public static String getCurrentTime(Date date) {                sdf_time.format(date);                return sdf_time.format(date);        }        public static String getCurrentDate(Date date) {                sdf_date.format(date);                return sdf_date.format(date);        }        public static String getCurrentWeekDay(Date dt) {                String[] weekDays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };                cal.setTime(dt);                int w = cal.get(Calendar.DAY_OF_WEEK) - 1;                if (w < 0)                        w = 0;                return weekDays[w];        }        private void startThread() {                new Thread(new Runnable() {                        public void run() {                                while (true) {                                        handler.sendEmptyMessage(12);                                        try {                                                Thread.sleep(1000);                                        } catch (InterruptedException e) {                                                // TODO Auto-generated catch block                                                e.printStackTrace();                                        }                                }                        }                }).start();        }        Handler handler = new Handler() {                public void handleMessage(Message msg) {                        super.handleMessage(msg);                        if (msg.what == 12) {                                Date date = new Date();                                textViewTime.setText(getCurrentTime(date));                                textViewDate.setText(getCurrentDate(date));                                textViewWeek.setText(getCurrentWeekDay(date));                        }                }        };}

 

mainActivity

 

package com.javen.digitalclock;import android.os.Bundle;import android.app.Activity;import android.view.Menu;public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);    }    @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;    }}

布局文件main.xml