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Clock.javaAPI DocAndroid 5.1 API8704Thu Mar 12 22:22:42 GMT 2015com.android.systemui.statusbar.policy

Clock

public class Clock extends android.widget.TextView implements com.android.systemui.DemoMode
Digital clock for the status bar.

Fields Summary
private boolean
mAttached
private Calendar
mCalendar
private String
mClockFormatString
private SimpleDateFormat
mClockFormat
private Locale
mLocale
private static final int
AM_PM_STYLE_NORMAL
private static final int
AM_PM_STYLE_SMALL
private static final int
AM_PM_STYLE_GONE
private final int
mAmPmStyle
private final android.content.BroadcastReceiver
mIntentReceiver
private boolean
mDemoMode
Constructors Summary
public Clock(android.content.Context context)


       
        this(context, null);
public Clock(android.content.Context context, android.util.AttributeSet attrs)

        this(context, attrs, 0);
public Clock(android.content.Context context, android.util.AttributeSet attrs, int defStyle)

        super(context, attrs, defStyle);
        TypedArray a = context.getTheme().obtainStyledAttributes(
                attrs,
                R.styleable.Clock,
                0, 0);
        try {
            mAmPmStyle = a.getInt(R.styleable.Clock_amPmStyle, AM_PM_STYLE_GONE);
        } finally {
            a.recycle();
        }
Methods Summary
public voiddispatchDemoCommand(java.lang.String command, android.os.Bundle args)

        if (!mDemoMode && command.equals(COMMAND_ENTER)) {
            mDemoMode = true;
        } else if (mDemoMode && command.equals(COMMAND_EXIT)) {
            mDemoMode = false;
            updateClock();
        } else if (mDemoMode && command.equals(COMMAND_CLOCK)) {
            String millis = args.getString("millis");
            String hhmm = args.getString("hhmm");
            if (millis != null) {
                mCalendar.setTimeInMillis(Long.parseLong(millis));
            } else if (hhmm != null && hhmm.length() == 4) {
                int hh = Integer.parseInt(hhmm.substring(0, 2));
                int mm = Integer.parseInt(hhmm.substring(2));
                mCalendar.set(Calendar.HOUR, hh);
                mCalendar.set(Calendar.MINUTE, mm);
            }
            setText(getSmallTime());
        }
private final java.lang.CharSequencegetSmallTime()

        Context context = getContext();
        boolean is24 = DateFormat.is24HourFormat(context, ActivityManager.getCurrentUser());
        LocaleData d = LocaleData.get(context.getResources().getConfiguration().locale);

        final char MAGIC1 = '\uEF00";
        final char MAGIC2 = '\uEF01";

        SimpleDateFormat sdf;
        String format = is24 ? d.timeFormat24 : d.timeFormat12;
        if (!format.equals(mClockFormatString)) {
            /*
             * Search for an unquoted "a" in the format string, so we can
             * add dummy characters around it to let us find it again after
             * formatting and change its size.
             */
            if (mAmPmStyle != AM_PM_STYLE_NORMAL) {
                int a = -1;
                boolean quoted = false;
                for (int i = 0; i < format.length(); i++) {
                    char c = format.charAt(i);

                    if (c == '\'") {
                        quoted = !quoted;
                    }
                    if (!quoted && c == 'a") {
                        a = i;
                        break;
                    }
                }

                if (a >= 0) {
                    // Move a back so any whitespace before AM/PM is also in the alternate size.
                    final int b = a;
                    while (a > 0 && Character.isWhitespace(format.charAt(a-1))) {
                        a--;
                    }
                    format = format.substring(0, a) + MAGIC1 + format.substring(a, b)
                        + "a" + MAGIC2 + format.substring(b + 1);
                }
            }
            mClockFormat = sdf = new SimpleDateFormat(format);
            mClockFormatString = format;
        } else {
            sdf = mClockFormat;
        }
        String result = sdf.format(mCalendar.getTime());

        if (mAmPmStyle != AM_PM_STYLE_NORMAL) {
            int magic1 = result.indexOf(MAGIC1);
            int magic2 = result.indexOf(MAGIC2);
            if (magic1 >= 0 && magic2 > magic1) {
                SpannableStringBuilder formatted = new SpannableStringBuilder(result);
                if (mAmPmStyle == AM_PM_STYLE_GONE) {
                    formatted.delete(magic1, magic2+1);
                } else {
                    if (mAmPmStyle == AM_PM_STYLE_SMALL) {
                        CharacterStyle style = new RelativeSizeSpan(0.7f);
                        formatted.setSpan(style, magic1, magic2,
                                          Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
                    }
                    formatted.delete(magic2, magic2 + 1);
                    formatted.delete(magic1, magic1 + 1);
                }
                return formatted;
            }
        }

        return result;
protected voidonAttachedToWindow()

        super.onAttachedToWindow();

        if (!mAttached) {
            mAttached = true;
            IntentFilter filter = new IntentFilter();

            filter.addAction(Intent.ACTION_TIME_TICK);
            filter.addAction(Intent.ACTION_TIME_CHANGED);
            filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
            filter.addAction(Intent.ACTION_CONFIGURATION_CHANGED);
            filter.addAction(Intent.ACTION_USER_SWITCHED);

            getContext().registerReceiverAsUser(mIntentReceiver, UserHandle.ALL, filter,
                    null, getHandler());
        }

        // NOTE: It's safe to do these after registering the receiver since the receiver always runs
        // in the main thread, therefore the receiver can't run before this method returns.

        // The time zone may have changed while the receiver wasn't registered, so update the Time
        mCalendar = Calendar.getInstance(TimeZone.getDefault());

        // Make sure we update to the current time
        updateClock();
protected voidonDetachedFromWindow()

        super.onDetachedFromWindow();
        if (mAttached) {
            getContext().unregisterReceiver(mIntentReceiver);
            mAttached = false;
        }
final voidupdateClock()


       
        if (mDemoMode) return;
        mCalendar.setTimeInMillis(System.currentTimeMillis());
        setText(getSmallTime());