得到android系統的目前時間

package lyh.Demo1;<br />import java.util.Calendar;<br />import android.app.Activity;<br />import android.os.Bundle;<br />import android.widget.TextView;<br />public class Demo1 extends Activity {<br />private TextView yearText;<br />private TextView monthText;<br />private TextView dayText;<br />private TextView hourText;<br />private TextView minuteText;<br />private TextView secondText;</p><p> public void onCreate(Bundle savedInstanceState) {<br /> super.onCreate(savedInstanceState);<br /> setContentView(R.layout.main);</p><p> yearText = (TextView)this.findViewById(R.id.year);<br /> monthText = (TextView)this.findViewById(R.id.month);<br /> dayText = (TextView)this.findViewById(R.id.day);<br /> hourText = (TextView)this.findViewById(R.id.hour);<br /> minuteText = (TextView)this.findViewById(R.id.minute);<br /> secondText = (TextView)this.findViewById(R.id.second);</p><p> Calendar calendar = Calendar.getInstance();<br /> int year = calendar.get(Calendar.YEAR);<br /> int month = calendar.get(Calendar.MONTH);<br /> int day = calendar.get(Calendar.DAY_OF_MONTH);<br /> int hour = calendar.get(Calendar.HOUR_OF_DAY);<br /> int minute = calendar.get(Calendar.MINUTE);<br /> int second = calendar.get(Calendar.SECOND);</p><p> yearText.setText(String.valueOf(year));<br /> monthText.setText(String.valueOf(month));<br /> dayText.setText(String.valueOf(day));<br /> hourText.setText(String.valueOf(hour));<br /> minuteText.setText(String.valueOf(minute));<br /> secondText.setText(String.valueOf(second));<br /> }<br />} 

 

<?xml version="1.0" encoding="utf-8"?><br /><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"<br /> android:orientation="vertical"<br /> android:layout_width="fill_parent"<br /> android:layout_height="fill_parent"<br /> ><br /><TextView<br />android:id="@+id/year"<br /> android:layout_width="fill_parent"<br /> android:layout_height="wrap_content"<br /> /><br /> <TextView<br />android:id="@+id/month"<br /> android:layout_width="fill_parent"<br /> android:layout_height="wrap_content"<br /> /><br /> <TextView<br />android:id="@+id/day"<br /> android:layout_width="fill_parent"<br /> android:layout_height="wrap_content"<br /> /><br /> <TextView<br /> android:id="@+id/hour"<br /> android:layout_width="fill_parent"<br /> android:layout_height="wrap_content"<br /> /><br /> <TextView<br />android:id="@+id/minute"<br /> android:layout_width="fill_parent"<br /> android:layout_height="wrap_content"<br /> /><br /> <TextView<br />android:id="@+id/second"<br /> android:layout_width="fill_parent"<br /> android:layout_height="wrap_content"<br /> /><br /></LinearLayout><br />