Android入门之TimePickerDialog（纯Java）

Android入门之TimePickerDialog（纯Java）

1. import java.util.Calendar;  
2. import java.util.TimeZone;  
3.   
4. import Android.app.Activity;  
5. import android.app.TimePickerDialog;  
6. import android.os.Bundle;  
7. import android.view.View;  
8. import android.view.View.OnClickListener;  
9. import android.widget.*;  
10.   
11. public class TimePickerDialogTest extends Activity {  
12.       
13.     private RelativeLayout mainView=null;  
14.     private TextView tv=null;  
15.     private Button button=null;  
16.     private TimePickerDialog tpd=null;  
17.       
18.     public void onCreate(Bundle savedInstanceState) {  
19.         super.onCreate(savedInstanceState);  
20.         mainView=new RelativeLayout(this);  
21.         tv=new TextView(this);  
22.         RelativeLayout.LayoutParams lp_tv=new RelativeLayout.LayoutParams(-2,-2);  
23.         lp_tv.addRule(RelativeLayout.CENTER_IN_PARENT);  
24.         tv.setLayoutParams(lp_tv);  
25.         tv.setText("请设置时间");  
26.         button=new Button(this);  
27.         RelativeLayout.LayoutParams lp_button=new RelativeLayout.LayoutParams(-2,-2);  
28.         lp_button.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);  
29.         lp_button.addRule(RelativeLayout.CENTER_HORIZONTAL);  
30.         button.setLayoutParams(lp_button);  
31.         button.setText("设置");  
32.         button.setOnClickListener(new OnClickListener(){  
33.             public void onClick(View v) {  
34.                 if(tpd==null){  
35.                     tpd_init();  
36.                 }  
37.                 tpd.show();  
38.             }  
39.         });  
40.         mainView.addView(tv);  
41.         mainView.addView(button);  
42.         setContentView(mainView);  
43.     }  
44.     /*tpd初始化*/  
45.     void tpd_init(){  
46.         TimePickerDialog.OnTimeSetListener otsl=new TimePickerDialog.OnTimeSetListener(){  
47.             public void onTimeSet(TimePicker view, int hourOfDay, int minute) {  
48.                 tv.setText("您设置了时间："+hourOfDay+"时"+minute+"分");  
49.                 tpd.dismiss();  
50.             }  
51.         };  
52.         Calendar calendar=Calendar.getInstance(TimeZone.getDefault());  
53.         int hourOfDay=calendar.get(Calendar.HOUR_OF_DAY);  
54.         int minute=calendar.get(Calendar.MINUTE);  
55.         tpd=new TimePickerDialog(this,otsl,hourOfDay,minute,true);  
56.     }  
57. }