Java DateFormat.format方法代码示例

import android.text.format.DateFormat; //导入方法依赖的package包/类
public static String getShortTime(String dateStr) {
    String str;

    Date date = str2date(dateStr);
    Date curDate = new Date();

    long durTime = curDate.getTime() - date.getTime();
    int dayDiff = calculateDayDiff(date, curDate);

    if (durTime <= 10 * ONE_MINUTE_MILLIONS) {
        str = "刚刚";
    } else if (durTime < ONE_HOUR_MILLIONS) {
        str = durTime / ONE_MINUTE_MILLIONS + "分钟前";
    } else if (dayDiff == 0) {
        str = durTime / ONE_HOUR_MILLIONS + "小时前";
    } else if (dayDiff == -1) {
        str = "昨天" + DateFormat.format("HH:mm", date);
    } else if (isSameYear(date, curDate) && dayDiff < -1) {
        str = DateFormat.format("MM-dd", date).toString();
    } else {
        str = DateFormat.format("yyyy-MM", date).toString();
    }

    return str;
}
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
private MultiHeaderEntity getChangeItem(int itemType) {

        String date = (String) DateFormat.format("HH:mm:ss", System.currentTimeMillis());
        if (itemType == SimpleHelper.TYPE_ONE) {
            return new FirstItem("我的天，类型1被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_THREE) {
            return new SecondItem("我的天，类型2被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_FOUR) {
            return new ThirdItem("我的天，类型3被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_TWO) {
            return new FourthItem("我的天，类型4被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_ONE - RecyclerViewAdapterHelper.HEADER_TYPE_DIFFER) {
            return new HeaderFirstItem("我的天，类型1的头被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_THREE - RecyclerViewAdapterHelper.HEADER_TYPE_DIFFER) {
            return new HeaderSecondItem("我的天，类型2的头被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_FOUR - RecyclerViewAdapterHelper.HEADER_TYPE_DIFFER) {
            return new HeaderThirdItem("我的天，类型3的头被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_TWO - RecyclerViewAdapterHelper.HEADER_TYPE_DIFFER) {
            return new HeaderFourthItem("我的天，类型4的头被修改了 " + date);
        }
        return null;
    }
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
private MultiHeaderEntity getChangeItem(int itemType) {

        String date = (String) DateFormat.format("HH:mm:ss", System.currentTimeMillis());
        if (itemType == SimpleHelper.TYPE_ONE) {
            return new FirstItem("我的天，类型1被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_THREE) {
            return new SecondItem("我的天，类型2被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_FOUR) {
            return new ThirdItem("我的天，类型3被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_TWO) {
            return new FourthItem("我的天，类型4被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_ONE - RecyclerViewAdapterHelper.HEADER_TYPE_DIFFER) {
            return new HeaderFirstItem("我的天，类型1的头被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_THREE - RecyclerViewAdapterHelper.HEADER_TYPE_DIFFER) {
            return new HeaderSecondItem("我的天，类型2的头被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_FOUR - RecyclerViewAdapterHelper.HEADER_TYPE_DIFFER) {
            return new HeaderThirdItem("我的天，类型3的头被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_TWO - RecyclerViewAdapterHelper.HEADER_TYPE_DIFFER) {
            return new HeaderFourthItem("我的天，类型4的头被修改了 " + date);
        }
        throw new RuntimeException("返回为空");
    }
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
private ArrayList<EventDate> fillDates() {
    ArrayList<EventDate> eventDates = new ArrayList<EventDate>(mObjectsList.size());
    Map<String, Long> previousDurations = new ArrayMap<String, Long>();
    long previousDate = System.currentTimeMillis() / Constants.MS_IN_SEC;
    for (Event event : (List<Event>) mObjectsList) {
        if (event != null && event.triggers != null && event.triggers.size() > 0) {
            long timestamp = Long.valueOf(event.getClock());
            CharSequence date = DateFormat.format(Constants.DATE_FORMAT, timestamp * Constants.MS_IN_SEC);
            String triggerId = event.triggers.get(0).triggerid;

            long duration;
            if (previousDurations.containsKey(triggerId)) {
                duration = previousDate - timestamp - previousDurations.get(triggerId);
                previousDurations.put(triggerId, duration + previousDurations.get(triggerId));
            } else {
                duration = previousDate - timestamp;
                previousDurations.put(triggerId, duration);
            }
            eventDates.add(new EventDate(date, duration));
        } else {
            eventDates.add(null);
        }
    }
    return eventDates;
}
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
private MultiHeaderEntity getChangeItem() {

        Random random = new Random();
        int itemType = random.nextInt(4);

        String date = (String) DateFormat.format("HH:mm:ss", System.currentTimeMillis());
        if (itemType == SimpleHelper.TYPE_ONE) {
            return new FirstItem("我的天，类型1被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_THREE) {
            return new SecondItem("我的天，类型2被修改了 " + date);
        } else if (itemType == SimpleHelper.TYPE_FOUR) {
            return new ThirdItem("我的天，类型3被修改了 " + date);
        }
        return new FourthItem("我的天，类型4被修改了 " + date);

    }
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
private ArrayList<EventDate> fillDates() {
    ArrayList<EventDate> eventDates = new ArrayList<EventDate>(mEventList.size());
    Map<String, Long> previousDurations = new ArrayMap<String, Long>();
    long previousDate = System.currentTimeMillis() / Constants.MS_IN_SEC;
    for (Event event : mEventList) {
        if (event != null && event.triggers != null && event.triggers.size() > 0) {
            long timestamp = Long.valueOf(event.getClock());
            CharSequence date = DateFormat.format(Constants.DATE_FORMAT, timestamp * Constants.MS_IN_SEC);
            String triggerId = event.triggers.get(0).triggerid;

            long duration;
            if (previousDurations.containsKey(triggerId)) {
                duration = previousDate - timestamp - previousDurations.get(triggerId);
                previousDurations.put(triggerId, duration + previousDurations.get(triggerId));
            } else {
                duration = previousDate - timestamp;
                previousDurations.put(triggerId, duration);
            }
            eventDates.add(new EventDate(date, duration));
        } else {
            eventDates.add(null);
        }
    }
    return eventDates;
}
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
public static void addObject(TimelineObject photo, TimelineGroupType type){
    long ts = photo.getTimestamp();
    Date date = new Date(ts);
    String day = (String) DateFormat.format("dd", date);
    String month = (String) DateFormat.format("MMM", date);
    String year = (String) DateFormat.format("yyyy", date);
    String tabTitle = "";
    switch (type) {
        case DAY:
            tabTitle = day + " " + month + ", " + year;
            break;
        case MONTH:
            tabTitle = month + ", " + year;
            break;
        case YEAR:
            tabTitle = year;
    }
    if(headerList.contains(tabTitle)){
        timelineObjMap.get(tabTitle).add(photo);
    }else {
        ArrayList<TimelineObject> _l = new ArrayList<>();
        _l.add(photo);
        headerList.add(tabTitle);
        timelineObjMap.put(tabTitle, _l);
    }
}
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
/**
 * 使用相机拍照
 */
private void takePhoto() {

    // 图片路径
    tempPath = Environment.getExternalStorageDirectory() + "/DCIM/" + DateFormat.format("yyyyMMdd_hhmmss", Calendar.getInstance(Locale.CHINA)) + ".jpg";

    // 创建拍照时的临时文件
    File tempFile = new File(tempPath);
    try {
        if (tempFile.exists()) {
            tempFile.delete();
        }
        tempFile.createNewFile();
    } catch (IOException e) {
        e.printStackTrace();
    }

    // 指定照片保存路径（SD卡），image.jpg为一个临时文件，每次拍照后这个图片都会被替换
    Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    intent.putExtra("return-data", false);
    intent.putExtra("outputFormat", Bitmap.CompressFormat.JPEG.toString());
    intent.putExtra("noFaceDetection", true);
    intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(tempFile));
    startActivityForResult(intent, TAKE_PICTURE);
    overridePendingTransition(R.anim.column_show, R.anim.column_bottom);
}
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
/**
 * Produce a summary of the Zen mode change to be read aloud as TTS.
 */
private CharSequence getChangeSummary(int mode, int minutes) {
    int indefinite = -1;
    int byMinute = -1;
    int byHour = -1;
    int byTime = -1;

    switch (mode) {
        case Global.ZEN_MODE_ALARMS:
            indefinite = R.string.zen_mode_summary_alarms_only_indefinite;
            byMinute = R.plurals.zen_mode_summary_alarms_only_by_minute;
            byHour = R.plurals.zen_mode_summary_alarms_only_by_hour;
            byTime = R.string.zen_mode_summary_alarms_only_by_time;
            break;
        case Global.ZEN_MODE_OFF:
            indefinite = R.string.zen_mode_summary_always;
            break;
    };

    if (minutes < 0 || mode == Global.ZEN_MODE_OFF) {
        return getString(indefinite);
    }

    long time = System.currentTimeMillis() + minutes * MINUTES_MS;
    String skeleton = DateFormat.is24HourFormat(this, UserHandle.myUserId()) ? "Hm" : "hma";
    String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), skeleton);
    CharSequence formattedTime = DateFormat.format(pattern, time);
    Resources res = getResources();

    if (minutes < 60) {
        return res.getQuantityString(byMinute, minutes, minutes, formattedTime);
    } else if (minutes % 60 != 0) {
        return res.getString(byTime, formattedTime);
    } else {
        int hours = minutes / 60;
        return res.getQuantityString(byHour, hours, hours, formattedTime);
    }
}
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
private MultiHeaderEntity getAddItem() {

        Random random = new Random();
        int itemType = random.nextInt(4);
        String date = (String) DateFormat.format("HH:mm:ss", System.currentTimeMillis());
        if (itemType == SimpleHelper.TYPE_ONE) {
            return new FirstItem("我的天，类型1被增加了 " + date);
        } else if (itemType == SimpleHelper.TYPE_THREE) {
            return new SecondItem("我的天，类型2被增加了 " + date);
        } else if (itemType == SimpleHelper.TYPE_FOUR) {
            return new ThirdItem("我的天，类型3被增加了 " + date);
        }
        return new FourthItem("我的天，类型4被增加了 " + date);
    }
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
/**
   * Sets alert in AlarmManger and StatusBar.  This is what will
   * actually launch the alert when the alarm triggers.
   * @param alarm          Alarm.
   * @param atTimeInMillis milliseconds since epoch
   */
  private static void enableAlert(Context context, final Alarm alarm,
                                  final long atTimeInMillis) {
    AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);

    Log.d("** setAlert atTime " + new Date(atTimeInMillis) + " -- " + alarm);

    Intent intent = new Intent(ALARM_ALERT_ACTION);

    intent.putExtra(ALARM_RAW_DATA, alarm.toString());

    PendingIntent sender = PendingIntent.getBroadcast(
        context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);

    am.set(AlarmManager.RTC_WAKEUP, atTimeInMillis, sender);

    setStatusBarIcon(context, true);
    Calendar c = Calendar.getInstance();
    c.setTimeInMillis(atTimeInMillis);

    Kanal nyKanal = App.grunddata.kanalFraKode.get(alarm.kanalo);
    if (nyKanal == null) {
      Log.rapporterFejl(new IllegalStateException("Alarm: Kanal findes ikke!"), alarm.kanalo + " var ikke i "+ App.grunddata.kanalFraKode.keySet() );
      nyKanal = App.grunddata.forvalgtKanal;
    }

    String message = nyKanal.navn +"\n"+DateFormat.format(DM24, c);
    if (App.fejlsøgning) App.kortToast("Næste alarm sat til:\n"+message);
/*  writing to settings requires android.permission.WRITE_SETTINGS
    Settings.System.putString(App.instans.getContentResolver(), Settings.System.NEXT_ALARM_FORMATTED, message);
    */
  }
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
@SuppressLint("SdCardPath")
private static String getPhotoPath(String form, String Name) {
    String name = DateFormat.format("yyyyMMdd_hhmmss", Calendar.getInstance(Locale.CHINA)) + form;
    String externalPath = ToolCache.getContext().getExternalFilesDir(Environment.DIRECTORY_PICTURES).toString();
    String pathname = externalPath + "/" + Name + "/";
    String fileName = pathname + name;
    File file = new File(pathname);
    if (!file.exists()) {
        Log.e("TAG", "第一次创建文件夹");
        file.mkdirs();// 如果文件夹不存在，则创建文件夹
    }
    return fileName;
}
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
private void writeDataBase(String message){
    // Write a message to the database
    FirebaseApp.initializeApp(getActivity());
    FirebaseDatabase database = FirebaseDatabase.getInstance();
    Calendar mCal = Calendar.getInstance();
    CharSequence s = DateFormat.format("yyyy-MM-dd kk:mm:ss", mCal.getTime());
    DatabaseReference myRef = database.getReference((String) s);
    myRef.setValue(message);
}
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
private void updateTime() {
  if (mLive) {
    mCalendar.setTimeInMillis(System.currentTimeMillis());
  }

  CharSequence newTime = DateFormat.format(mFormat, mCalendar);
  mTimeDisplay.setText(newTime);
  mAmPm.setIsMorning(mCalendar.get(Calendar.AM_PM) == 0);
}
 

import android.text.format.DateFormat; //导入方法依赖的package包/类
private CharSequence makeDateString(Concert concert) {
    int currentYear = new GregorianCalendar().get(Calendar.YEAR);

    GregorianCalendar concertCalendar = new GregorianCalendar();
    concertCalendar.setTime(concert.getDate());
    int concertYear = concertCalendar.get(Calendar.YEAR);

    String dateFormatString =
            currentYear == concertYear ? thisYearDateFormat : anotherYearDateFormat;

    return DateFormat.format(dateFormatString, concert.getDate());
}