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从 Datepicker 将日期格式化为 MM-DD-YYYY

转载 作者:IT老高 更新时间:2023-10-28 23:38:25 26 4
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我有一个日期选择器。我的应用正在推送通知。我想以 01-07-2013 MM-dd-yyyy 格式显示日期。请检查下面的代码:

 //---Button view---
Button btnOpen = ( Button ) findViewById( R.id.btEventDone );
btnOpen.setOnClickListener( new View.OnClickListener() {

public void onClick(View v) {

String strT = title.getText().toString();
String strDes = description.getText().toString();

// check if user did not input anything
if( strT.isEmpty() || strDes.isEmpty() ){

Toast.makeText( getBaseContext(), "You have blank fields!", Toast.LENGTH_SHORT ).show();

}
else{

//---use the AlarmManager to trigger an alarm---
AlarmManager alarmManager = ( AlarmManager ) getSystemService( ALARM_SERVICE );

//---get current date and time---
Calendar calendar = Calendar.getInstance();

//---sets the time for the alarm to trigger---
calendar.set( Calendar.YEAR, date.getYear() );
calendar.set( Calendar.MONTH, date.getMonth() );
calendar.set( Calendar.DAY_OF_MONTH, date.getDayOfMonth() );
calendar.set( Calendar.HOUR_OF_DAY, time.getCurrentHour() );
calendar.set( Calendar.MINUTE, time.getCurrentMinute() );
calendar.set( Calendar.SECOND, 0 );

//---PendingIntent to launch activity when the alarm triggers---
Intent i = new Intent( CalendarEvent.this, DisplayNotification.class );

year = calendar.get( Calendar.YEAR );
month = calendar.get( Calendar.MONTH );
day = calendar.get( Calendar.DAY_OF_MONTH );

hour = calendar.get( Calendar.HOUR );
minute = calendar.get( Calendar.MINUTE );

Date d = new Date(year, month, day);
SimpleDateFormat dateFormatter = new SimpleDateFormat(
"MM-dd-yyyy");
String strDate = dateFormatter.format(d);

String strTitle = title.getText().toString();
String strDescription = description.getText().toString();
strDate = String.valueOf( month ) + "-" + String.valueOf( day ) + "-" + String.valueOf( year );

StringBuilder sb = new StringBuilder();
if(hour>=12){
sb.append(hour-12).append( ":" ).append(minute).append(" PM");
}else{
sb.append(hour).append( ":" ).append(minute).append(" AM");
}
String strTime = sb.toString();


//---assign an ID of 1---
i.putExtra( "NotifID", notifID );
i.putExtra( "Title", strTitle );
i.putExtra( "Description", strDescription );
i.putExtra( "Date", strDate );
i.putExtra( "Time", strTime );

PendingIntent displayIntent = PendingIntent.getActivity(
getBaseContext(), notifID, i, 0 );


//---sets the alarm to trigger---
alarmManager.set( AlarmManager.RTC_WAKEUP,
calendar.getTimeInMillis(), displayIntent );
finish();
}

}
});

}

报警详情:

@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.alarmdetails);

//---look up the notification manager service---
NotificationManager nm = ( NotificationManager )
getSystemService( NOTIFICATION_SERVICE );

title = ( EditText ) findViewById ( R.id.etDetailTitle );
description = ( EditText ) findViewById ( R.id.etDetailDescription );
date = ( EditText ) findViewById ( R.id.etDetailDate );
time = ( EditText ) findViewById ( R.id.etDetailTime );
done = ( Button ) findViewById ( R.id.btnAlarmDone );

done.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {
// TODO Auto-generated method stub
finish();
}
});

//---cancel the notification---
nm.cancel( getIntent().getExtras().getInt( "NotifID" ) );


String strTitle = getIntent().getExtras().getString( "Title" );
String strDescription = getIntent().getExtras().getString( "Description" );
strDate = getIntent().getExtras().getString( "Date" );
String strTime = getIntent().getExtras().getString( "Time" );
title.setText( strTitle );
description.setText( strDescription );
date.setText( strDate );
time.setText( strTime );


}

显示通知:

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

//---get the notification ID for the notification;
// passed in by the NotifyActivity---
int notifID = getIntent().getExtras().getInt( "NotifID" );
String strTitle = getIntent().getExtras().getString( "Title" );
String strDescription = getIntent().getExtras().getString( "Description" );
String strDate = getIntent().getExtras().getString( "Date" );
String strTime = getIntent().getExtras().getString( "Time" );

//---PendingIntent to launch activity if the user selects
// the notification---
Intent i = new Intent( DisplayNotification.this, AlarmDetails.class );
i.putExtra( "NotifID", notifID );
i.putExtra( "Title", strTitle );
i.putExtra( "Description", strDescription );
i.putExtra( "Date", strDate );
i.putExtra( "Time", strTime );

PendingIntent detailsIntent =
PendingIntent.getActivity(this, 0, i, 0);

NotificationManager nm = ( NotificationManager )
getSystemService( NOTIFICATION_SERVICE );
Notification notif = new Notification(
R.drawable.ic_launcher,
"iHealthFirst: Notification!",
System.currentTimeMillis() );

CharSequence from = "iHealthFirst - New Notification";
CharSequence message = "This is your alert, click to view";
notif.setLatestEventInfo(this, from, message, detailsIntent);
notif.flags = Notification.FLAG_INSISTENT;
notif.defaults |= Notification.DEFAULT_SOUND;

//---100ms delay, vibrate for 250ms, pause for 100 ms and
// then vibrate for 500ms---
notif.vibrate = new long[] { 100, 250, 100, 500};
nm.notify( notifID, notif );

//---destroy the activity---
finish();
}

我当前的应用程序仅以 M-d-yyyy 这种格式显示。我读过我们应该使用 SimpleDateFormat,但我不知道如何在我的应用程序中使用它。任何人都可以帮忙吗?谢谢。

最佳答案

试试这个

int year = mDatePicker.getYear();
int month = mDatePicker.getMonth();
int day = mDatePicker.getDayOfMonth();

Calendar calendar = Calendar.getInstance();
calendar.set(year, month, day);

SimpleDateFormat format = new SimpleDateFormat("MM-dd-yyyy");
String strDate = format.format(calendar.getTime());

关于从 Datepicker 将日期格式化为 MM-DD-YYYY,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14190968/

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