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標題: 鬧鐘程式遇到的問題(有附Code) [打印本頁]

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作者: free576002    時間: 2015-3-27 21:21
標題: 鬧鐘程式遇到的問題(有附Code)
假設我設定(2015/01/01 早上00:0)時會Log.e("TAG","123");
但是時間一到卻沒有反應
但如果我是設定30秒後Log.e("TAG","123");卻可以
請問是我寫的code哪裡有問題呢
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畫面布局只有兩個btn跟Textview
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1. import java.util.Calendar;
   
2. import android.R.string;
   
3. import android.app.Activity;
   
4. import android.app.AlarmManager;
   
5. import android.app.DatePickerDialog;
   
6. import android.app.Dialog;
   
7. import android.app.PendingIntent;
   
8. import android.app.TimePickerDialog;
   
9. import android.content.Context;
   
10. import android.content.Intent;
    
11. import android.os.Bundle;
    
12. import android.renderscript.Sampler.Value;
    
13. import android.util.Log;
    
14. import android.view.View;
    
15. import android.view.View.OnClickListener;
    
16. import android.widget.Button;
    
17. import android.widget.DatePicker;
    
18. import android.widget.TextView;
    
19. import android.widget.TimePicker;
    
20. 
    
21. public class MainActivity extends Activity {
    
22. /**Date**/
    
23. private Button dateButton;
    
24. private Calendar calendar =Calendar.getInstance();
    
25. private int mYear = calendar.get(Calendar.YEAR),
    
26.                          mMonth = calendar.get(Calendar.MONTH),
    
27.                          mDay =  calendar.get(Calendar.DAY_OF_MONTH);
    
28. private TextView dateText;
    
29. private DatePickerDialog datePickerDialog;
    
30. 
    
31. /**Time**/
    
32. private Button timeButton;
    
33. private int mHour = calendar.get(Calendar.HOUR_OF_DAY),
    
34.                  mMin = calendar.get(Calendar.MINUTE);
    
35. private TextView timeText;
    
36. private TimePickerDialog timePickerDialog;
    
37. 
    
38. /****/
    
39. int init, init2=0 ;
    
40. @Override
    
41. public void onCreate(Bundle savedInstanceState) {
    
42.     super.onCreate(savedInstanceState);
    
43.     setContentView(R.layout.activity_main);
    
44.     //Text及Btn
    
45.     Button dateBtn = (Button)findViewById(R.id.dateButton);
    
46.     dateText = (TextView)findViewById(R.id.dateText);
    
47.     Button timeBtn = (Button)findViewById(R.id.timeButton);
    
48.     timeText = (TextView)findViewById(R.id.timeText);
    
49.     //Date按鈕監聽
    
50.     dateBtn.setOnClickListener(new OnClickListener(){
    
51.       @Override
    
52.       public void onClick(View v){
    
53.         showDialog(0);
    
54.         datePickerDialog.updateDate(mYear, mMonth, mDay);
    
55.       }
    
56.     });
    
57.     //Time按鈕監聽
    
58.     timeBtn.setOnClickListener(new OnClickListener(){
    
59.       @Override
    
60.       public void onClick(View v){
    
61.         showDialog(1);
    
62.         timePickerDialog.updateTime(mHour, mMin);
    
63.       }
    
64.     });
    
65. 
    
66. }
    
67. 
    
68. @Override
    
69. protected Dialog onCreateDialog(int id, Bundle args){
    
70.   switch(id)//get showDialog，  ↑id is showDialog
    
71.   {
    
72.     case 0://Date
    
73.             datePickerDialog = new DatePickerDialog(this, new DatePickerDialog.OnDateSetListener() {
    
74.             @Override
    
75.             public void onDateSet(DatePicker view, int year, int month,int day) {
    
76.                 mYear = year;
    
77.                 mMonth = month+1;
    
78.                 mDay = day;
    
79.                 init = 1;
    
80.                 date();
    
81.             }
    
82.         }, mYear,mMonth, mDay);
    
83.         return datePickerDialog;
    
84.         
    
85.     case 1://Time
    
86.             timePickerDialog = new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
    
87.                         @Override
    
88.                         public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
    
89.                                 // TODO Auto-generated method stub
    
90.                 mHour = hourOfDay;
    
91.                 mMin = minute;
    
92.                 init = 0;
    
93.                 date();
    
94.                         }
    
95.         }, mHour,mMin, false);
    
96.         return timePickerDialog;
    
97.   }
    
98.   
    
99.   return null;
    
100. }
     
101. 
     
102. protected void date() {
     
103.         // TODO Auto-generated method stub
     
104.         if (init == 1) {
     
105.          dateText.setText("你設定的日期為"+mYear+"年"+mMonth+"月"+mDay+"日");
     
106.          init2 = init2+1;
     
107.         } else if ( init == 0) {
     
108.                 timeText.setText("你設定的時間為"+mHour+":"+mMin);
     
109.          init2 = init2+1;
     
110.         }
     
111.         if (init2 ==2) {
     
112.                 Log.e("ready","start");
     
113.                 Log.e("ok",String.valueOf(mYear)+"年"+String.valueOf(mMonth)+"月"+String.valueOf(mDay)+"日"
     
114.                                 +String.valueOf(mHour)+":"+String.valueOf(mMin));
     
115.                 /****/
     
116.                 Calendar cal = Calendar.getInstance();
     
117.                 cal.set(mYear,mMonth,mDay,mHour,mMin);
     
118.                 Intent intent = new Intent();
     
119.                 intent.setClass(this, AlarmReceiver.class);
     
120.                 PendingIntent pending = PendingIntent.getBroadcast(this, 0, intent, 0);
     
121.                 AlarmManager alarm = (AlarmManager) this.getSystemService(Context.ALARM_SERVICE);
     
122.                 alarm.set(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), pending);
     
123.                 init2 = 0;
     
124.                 Log.e("initing","init ok");
     
125. 
     
126.         }
     
127. }
     
128. 
     
129. 
     
130. 
     
131. }

複製代碼

1. package com.showview;
   
2. 
   
3. 
   
4. import android.content.BroadcastReceiver;
   
5. import android.content.Context;
   
6. import android.content.Intent;
   
7. import android.util.Log;
   
8. 
   
9. public class AlarmReceiver extends BroadcastReceiver {       
   
10.     private static final String TAG = "from Activity";
    
11. 
    
12.     @Override
    
13.     public void onReceive(Context ctx, Intent intent) {
    
14.         Log.d(TAG, "123");
    
15.     }
    
16. }

複製代碼

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