| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.widget; |
| |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.graphics.Color; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.text.TextUtils; |
| import android.text.format.DateFormat; |
| import android.text.format.DateUtils; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.HapticFeedbackConstants; |
| import android.view.KeyCharacterMap; |
| import android.view.KeyEvent; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.view.accessibility.AccessibilityNodeInfo; |
| |
| import com.android.internal.R; |
| |
| import java.text.DateFormatSymbols; |
| import java.util.ArrayList; |
| import java.util.Calendar; |
| import java.util.Locale; |
| |
| /** |
| * A view for selecting the time of day, in either 24 hour or AM/PM mode. |
| */ |
| class TimePickerSpinnerDelegate extends TimePicker.AbstractTimePickerDelegate implements |
| RadialTimePickerView.OnValueSelectedListener { |
| |
| private static final String TAG = "TimePickerDelegate"; |
| |
| // Index used by RadialPickerLayout |
| private static final int HOUR_INDEX = 0; |
| private static final int MINUTE_INDEX = 1; |
| |
| // NOT a real index for the purpose of what's showing. |
| private static final int AMPM_INDEX = 2; |
| |
| // Also NOT a real index, just used for keyboard mode. |
| private static final int ENABLE_PICKER_INDEX = 3; |
| |
| private static final int AM = 0; |
| private static final int PM = 1; |
| |
| private static final boolean DEFAULT_ENABLED_STATE = true; |
| private boolean mIsEnabled = DEFAULT_ENABLED_STATE; |
| |
| private static final int HOURS_IN_HALF_DAY = 12; |
| |
| private TextView mHourView; |
| private TextView mMinuteView; |
| private TextView mAmPmTextView; |
| private RadialTimePickerView mRadialTimePickerView; |
| private TextView mSeparatorView; |
| |
| private String mAmText; |
| private String mPmText; |
| |
| private boolean mAllowAutoAdvance; |
| private int mInitialHourOfDay; |
| private int mInitialMinute; |
| private boolean mIs24HourView; |
| |
| // For hardware IME input. |
| private char mPlaceholderText; |
| private String mDoublePlaceholderText; |
| private String mDeletedKeyFormat; |
| private boolean mInKbMode; |
| private ArrayList<Integer> mTypedTimes = new ArrayList<Integer>(); |
| private Node mLegalTimesTree; |
| private int mAmKeyCode; |
| private int mPmKeyCode; |
| |
| // Accessibility strings. |
| private String mHourPickerDescription; |
| private String mSelectHours; |
| private String mMinutePickerDescription; |
| private String mSelectMinutes; |
| |
| private Calendar mTempCalendar; |
| |
| public TimePickerSpinnerDelegate(TimePicker delegator, Context context, AttributeSet attrs, |
| int defStyleAttr, int defStyleRes) { |
| super(delegator, context); |
| |
| // process style attributes |
| final TypedArray a = mContext.obtainStyledAttributes(attrs, |
| R.styleable.TimePicker, defStyleAttr, defStyleRes); |
| final LayoutInflater inflater = (LayoutInflater) mContext.getSystemService( |
| Context.LAYOUT_INFLATER_SERVICE); |
| final Resources res = mContext.getResources(); |
| |
| mHourPickerDescription = res.getString(R.string.hour_picker_description); |
| mSelectHours = res.getString(R.string.select_hours); |
| mMinutePickerDescription = res.getString(R.string.minute_picker_description); |
| mSelectMinutes = res.getString(R.string.select_minutes); |
| |
| String[] amPmStrings = TimePickerClockDelegate.getAmPmStrings(context); |
| mAmText = amPmStrings[0]; |
| mPmText = amPmStrings[1]; |
| |
| final int layoutResourceId = a.getResourceId(R.styleable.TimePicker_internalLayout, |
| R.layout.time_picker_holo); |
| final View mainView = inflater.inflate(layoutResourceId, null); |
| mDelegator.addView(mainView); |
| |
| mHourView = (TextView) mainView.findViewById(R.id.hours); |
| mSeparatorView = (TextView) mainView.findViewById(R.id.separator); |
| mMinuteView = (TextView) mainView.findViewById(R.id.minutes); |
| mAmPmTextView = (TextView) mainView.findViewById(R.id.ampm_label); |
| |
| // Set up text appearances from style. |
| final int headerTimeTextAppearance = a.getResourceId( |
| R.styleable.TimePicker_headerTimeTextAppearance, 0); |
| if (headerTimeTextAppearance != 0) { |
| mHourView.setTextAppearance(context, headerTimeTextAppearance); |
| mSeparatorView.setTextAppearance(context, headerTimeTextAppearance); |
| mMinuteView.setTextAppearance(context, headerTimeTextAppearance); |
| } |
| |
| final int headerSelectedTextColor = a.getColor( |
| R.styleable.TimePicker_headerSelectedTextColor, |
| res.getColor(R.color.timepicker_default_selector_color_material)); |
| mHourView.setTextColor(ColorStateList.addFirstIfMissing(mHourView.getTextColors(), |
| R.attr.state_selected, headerSelectedTextColor)); |
| mMinuteView.setTextColor(ColorStateList.addFirstIfMissing(mMinuteView.getTextColors(), |
| R.attr.state_selected, headerSelectedTextColor)); |
| |
| final int headerAmPmTextAppearance = a.getResourceId( |
| R.styleable.TimePicker_headerAmPmTextAppearance, 0); |
| if (headerAmPmTextAppearance != 0) { |
| mAmPmTextView.setTextAppearance(context, headerAmPmTextAppearance); |
| } |
| |
| final int headerBackgroundColor = a.getColor( |
| R.styleable.TimePicker_headerBackgroundColor, Color.TRANSPARENT); |
| if (headerBackgroundColor != Color.TRANSPARENT) { |
| mainView.findViewById(R.id.time_header).setBackgroundColor(headerBackgroundColor); |
| } |
| |
| a.recycle(); |
| |
| mRadialTimePickerView = (RadialTimePickerView) mainView.findViewById( |
| R.id.radial_picker); |
| |
| setupListeners(); |
| |
| mAllowAutoAdvance = true; |
| |
| // Set up for keyboard mode. |
| mDoublePlaceholderText = res.getString(R.string.time_placeholder); |
| mDeletedKeyFormat = res.getString(R.string.deleted_key); |
| mPlaceholderText = mDoublePlaceholderText.charAt(0); |
| mAmKeyCode = mPmKeyCode = -1; |
| generateLegalTimesTree(); |
| |
| // Initialize with current time |
| final Calendar calendar = Calendar.getInstance(mCurrentLocale); |
| final int currentHour = calendar.get(Calendar.HOUR_OF_DAY); |
| final int currentMinute = calendar.get(Calendar.MINUTE); |
| initialize(currentHour, currentMinute, false /* 12h */, HOUR_INDEX); |
| } |
| |
| private void initialize(int hourOfDay, int minute, boolean is24HourView, int index) { |
| mInitialHourOfDay = hourOfDay; |
| mInitialMinute = minute; |
| mIs24HourView = is24HourView; |
| mInKbMode = false; |
| updateUI(index); |
| } |
| |
| private void setupListeners() { |
| KeyboardListener keyboardListener = new KeyboardListener(); |
| mDelegator.setOnKeyListener(keyboardListener); |
| |
| mHourView.setOnKeyListener(keyboardListener); |
| mMinuteView.setOnKeyListener(keyboardListener); |
| mAmPmTextView.setOnKeyListener(keyboardListener); |
| mRadialTimePickerView.setOnValueSelectedListener(this); |
| mRadialTimePickerView.setOnKeyListener(keyboardListener); |
| |
| mHourView.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| setCurrentItemShowing(HOUR_INDEX, true, true); |
| tryVibrate(); |
| } |
| }); |
| mMinuteView.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| setCurrentItemShowing(MINUTE_INDEX, true, true); |
| tryVibrate(); |
| } |
| }); |
| } |
| |
| private void updateUI(int index) { |
| // Update RadialPicker values |
| updateRadialPicker(index); |
| // Enable or disable the AM/PM view. |
| updateHeaderAmPm(); |
| // Update Hour and Minutes |
| updateHeaderHour(mInitialHourOfDay, true); |
| // Update time separator |
| updateHeaderSeparator(); |
| // Update Minutes |
| updateHeaderMinute(mInitialMinute); |
| // Invalidate everything |
| mDelegator.invalidate(); |
| } |
| |
| private void updateRadialPicker(int index) { |
| mRadialTimePickerView.initialize(mInitialHourOfDay, mInitialMinute, mIs24HourView); |
| setCurrentItemShowing(index, false, true); |
| } |
| |
| private int computeMaxWidthOfNumbers(int max) { |
| TextView tempView = new TextView(mContext); |
| tempView.setTextAppearance(mContext, R.style.TextAppearance_Material_TimePicker_TimeLabel); |
| ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, |
| ViewGroup.LayoutParams.WRAP_CONTENT); |
| tempView.setLayoutParams(lp); |
| int maxWidth = 0; |
| for (int minutes = 0; minutes < max; minutes++) { |
| final String text = String.format("%02d", minutes); |
| tempView.setText(text); |
| tempView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED); |
| maxWidth = Math.max(maxWidth, tempView.getMeasuredWidth()); |
| } |
| return maxWidth; |
| } |
| |
| private void updateHeaderAmPm() { |
| if (mIs24HourView) { |
| mAmPmTextView.setVisibility(View.GONE); |
| } else { |
| mAmPmTextView.setVisibility(View.VISIBLE); |
| final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale, |
| "hm"); |
| |
| boolean amPmOnLeft = bestDateTimePattern.startsWith("a"); |
| if (TextUtils.getLayoutDirectionFromLocale(mCurrentLocale) == |
| View.LAYOUT_DIRECTION_RTL) { |
| amPmOnLeft = !amPmOnLeft; |
| } |
| |
| RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) |
| mAmPmTextView.getLayoutParams(); |
| |
| if (amPmOnLeft) { |
| layoutParams.rightMargin = computeMaxWidthOfNumbers(12 /* for hours */); |
| layoutParams.removeRule(RelativeLayout.RIGHT_OF); |
| layoutParams.addRule(RelativeLayout.LEFT_OF, R.id.separator); |
| } else { |
| layoutParams.leftMargin = computeMaxWidthOfNumbers(60 /* for minutes */); |
| layoutParams.removeRule(RelativeLayout.LEFT_OF); |
| layoutParams.addRule(RelativeLayout.RIGHT_OF, R.id.separator); |
| } |
| |
| updateAmPmDisplay(mInitialHourOfDay < 12 ? AM : PM); |
| mAmPmTextView.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| tryVibrate(); |
| int amOrPm = mRadialTimePickerView.getAmOrPm(); |
| if (amOrPm == AM) { |
| amOrPm = PM; |
| } else if (amOrPm == PM){ |
| amOrPm = AM; |
| } |
| updateAmPmDisplay(amOrPm); |
| mRadialTimePickerView.setAmOrPm(amOrPm); |
| } |
| }); |
| } |
| } |
| |
| /** |
| * Set the current hour. |
| */ |
| @Override |
| public void setCurrentHour(Integer currentHour) { |
| if (mInitialHourOfDay == currentHour) { |
| return; |
| } |
| mInitialHourOfDay = currentHour; |
| updateHeaderHour(currentHour, true /* accessibility announce */); |
| updateHeaderAmPm(); |
| mRadialTimePickerView.setCurrentHour(currentHour); |
| mRadialTimePickerView.setAmOrPm(mInitialHourOfDay < 12 ? AM : PM); |
| mDelegator.invalidate(); |
| onTimeChanged(); |
| } |
| |
| /** |
| * @return The current hour in the range (0-23). |
| */ |
| @Override |
| public Integer getCurrentHour() { |
| int currentHour = mRadialTimePickerView.getCurrentHour(); |
| if (mIs24HourView) { |
| return currentHour; |
| } else { |
| switch(mRadialTimePickerView.getAmOrPm()) { |
| case PM: |
| return (currentHour % HOURS_IN_HALF_DAY) + HOURS_IN_HALF_DAY; |
| case AM: |
| default: |
| return currentHour % HOURS_IN_HALF_DAY; |
| } |
| } |
| } |
| |
| /** |
| * Set the current minute (0-59). |
| */ |
| @Override |
| public void setCurrentMinute(Integer currentMinute) { |
| if (mInitialMinute == currentMinute) { |
| return; |
| } |
| mInitialMinute = currentMinute; |
| updateHeaderMinute(currentMinute); |
| mRadialTimePickerView.setCurrentMinute(currentMinute); |
| mDelegator.invalidate(); |
| onTimeChanged(); |
| } |
| |
| /** |
| * @return The current minute. |
| */ |
| @Override |
| public Integer getCurrentMinute() { |
| return mRadialTimePickerView.getCurrentMinute(); |
| } |
| |
| /** |
| * Set whether in 24 hour or AM/PM mode. |
| * |
| * @param is24HourView True = 24 hour mode. False = AM/PM. |
| */ |
| @Override |
| public void setIs24HourView(Boolean is24HourView) { |
| if (is24HourView == mIs24HourView) { |
| return; |
| } |
| mIs24HourView = is24HourView; |
| generateLegalTimesTree(); |
| int hour = mRadialTimePickerView.getCurrentHour(); |
| mInitialHourOfDay = hour; |
| updateHeaderHour(hour, false /* no accessibility announce */); |
| updateHeaderAmPm(); |
| updateRadialPicker(mRadialTimePickerView.getCurrentItemShowing()); |
| mDelegator.invalidate(); |
| } |
| |
| /** |
| * @return true if this is in 24 hour view else false. |
| */ |
| @Override |
| public boolean is24HourView() { |
| return mIs24HourView; |
| } |
| |
| @Override |
| public void setOnTimeChangedListener(TimePicker.OnTimeChangedListener callback) { |
| mOnTimeChangedListener = callback; |
| } |
| |
| @Override |
| public void setEnabled(boolean enabled) { |
| mHourView.setEnabled(enabled); |
| mMinuteView.setEnabled(enabled); |
| mAmPmTextView.setEnabled(enabled); |
| mRadialTimePickerView.setEnabled(enabled); |
| mIsEnabled = enabled; |
| } |
| |
| @Override |
| public boolean isEnabled() { |
| return mIsEnabled; |
| } |
| |
| @Override |
| public int getBaseline() { |
| // does not support baseline alignment |
| return -1; |
| } |
| |
| @Override |
| public void onConfigurationChanged(Configuration newConfig) { |
| updateUI(mRadialTimePickerView.getCurrentItemShowing()); |
| } |
| |
| @Override |
| public Parcelable onSaveInstanceState(Parcelable superState) { |
| return new SavedState(superState, getCurrentHour(), getCurrentMinute(), |
| is24HourView(), inKbMode(), getTypedTimes(), getCurrentItemShowing()); |
| } |
| |
| @Override |
| public void onRestoreInstanceState(Parcelable state) { |
| SavedState ss = (SavedState) state; |
| setInKbMode(ss.inKbMode()); |
| setTypedTimes(ss.getTypesTimes()); |
| initialize(ss.getHour(), ss.getMinute(), ss.is24HourMode(), ss.getCurrentItemShowing()); |
| mRadialTimePickerView.invalidate(); |
| if (mInKbMode) { |
| tryStartingKbMode(-1); |
| mHourView.invalidate(); |
| } |
| } |
| |
| @Override |
| public void setCurrentLocale(Locale locale) { |
| super.setCurrentLocale(locale); |
| mTempCalendar = Calendar.getInstance(locale); |
| } |
| |
| @Override |
| public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { |
| onPopulateAccessibilityEvent(event); |
| return true; |
| } |
| |
| @Override |
| public void onPopulateAccessibilityEvent(AccessibilityEvent event) { |
| int flags = DateUtils.FORMAT_SHOW_TIME; |
| if (mIs24HourView) { |
| flags |= DateUtils.FORMAT_24HOUR; |
| } else { |
| flags |= DateUtils.FORMAT_12HOUR; |
| } |
| mTempCalendar.set(Calendar.HOUR_OF_DAY, getCurrentHour()); |
| mTempCalendar.set(Calendar.MINUTE, getCurrentMinute()); |
| String selectedDate = DateUtils.formatDateTime(mContext, |
| mTempCalendar.getTimeInMillis(), flags); |
| event.getText().add(selectedDate); |
| } |
| |
| @Override |
| public void onInitializeAccessibilityEvent(AccessibilityEvent event) { |
| event.setClassName(TimePicker.class.getName()); |
| } |
| |
| @Override |
| public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { |
| info.setClassName(TimePicker.class.getName()); |
| } |
| |
| /** |
| * Set whether in keyboard mode or not. |
| * |
| * @param inKbMode True means in keyboard mode. |
| */ |
| private void setInKbMode(boolean inKbMode) { |
| mInKbMode = inKbMode; |
| } |
| |
| /** |
| * @return true if in keyboard mode |
| */ |
| private boolean inKbMode() { |
| return mInKbMode; |
| } |
| |
| private void setTypedTimes(ArrayList<Integer> typeTimes) { |
| mTypedTimes = typeTimes; |
| } |
| |
| /** |
| * @return an array of typed times |
| */ |
| private ArrayList<Integer> getTypedTimes() { |
| return mTypedTimes; |
| } |
| |
| /** |
| * @return the index of the current item showing |
| */ |
| private int getCurrentItemShowing() { |
| return mRadialTimePickerView.getCurrentItemShowing(); |
| } |
| |
| /** |
| * Propagate the time change |
| */ |
| private void onTimeChanged() { |
| mDelegator.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); |
| if (mOnTimeChangedListener != null) { |
| mOnTimeChangedListener.onTimeChanged(mDelegator, |
| getCurrentHour(), getCurrentMinute()); |
| } |
| } |
| |
| /** |
| * Used to save / restore state of time picker |
| */ |
| private static class SavedState extends View.BaseSavedState { |
| |
| private final int mHour; |
| private final int mMinute; |
| private final boolean mIs24HourMode; |
| private final boolean mInKbMode; |
| private final ArrayList<Integer> mTypedTimes; |
| private final int mCurrentItemShowing; |
| |
| private SavedState(Parcelable superState, int hour, int minute, boolean is24HourMode, |
| boolean isKbMode, ArrayList<Integer> typedTimes, |
| int currentItemShowing) { |
| super(superState); |
| mHour = hour; |
| mMinute = minute; |
| mIs24HourMode = is24HourMode; |
| mInKbMode = isKbMode; |
| mTypedTimes = typedTimes; |
| mCurrentItemShowing = currentItemShowing; |
| } |
| |
| private SavedState(Parcel in) { |
| super(in); |
| mHour = in.readInt(); |
| mMinute = in.readInt(); |
| mIs24HourMode = (in.readInt() == 1); |
| mInKbMode = (in.readInt() == 1); |
| mTypedTimes = in.readArrayList(getClass().getClassLoader()); |
| mCurrentItemShowing = in.readInt(); |
| } |
| |
| public int getHour() { |
| return mHour; |
| } |
| |
| public int getMinute() { |
| return mMinute; |
| } |
| |
| public boolean is24HourMode() { |
| return mIs24HourMode; |
| } |
| |
| public boolean inKbMode() { |
| return mInKbMode; |
| } |
| |
| public ArrayList<Integer> getTypesTimes() { |
| return mTypedTimes; |
| } |
| |
| public int getCurrentItemShowing() { |
| return mCurrentItemShowing; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| super.writeToParcel(dest, flags); |
| dest.writeInt(mHour); |
| dest.writeInt(mMinute); |
| dest.writeInt(mIs24HourMode ? 1 : 0); |
| dest.writeInt(mInKbMode ? 1 : 0); |
| dest.writeList(mTypedTimes); |
| dest.writeInt(mCurrentItemShowing); |
| } |
| |
| @SuppressWarnings({"unused", "hiding"}) |
| public static final Parcelable.Creator<SavedState> CREATOR = new Creator<SavedState>() { |
| public SavedState createFromParcel(Parcel in) { |
| return new SavedState(in); |
| } |
| |
| public SavedState[] newArray(int size) { |
| return new SavedState[size]; |
| } |
| }; |
| } |
| |
| private void tryVibrate() { |
| mDelegator.performHapticFeedback(HapticFeedbackConstants.CLOCK_TICK); |
| } |
| |
| private void updateAmPmDisplay(int amOrPm) { |
| if (amOrPm == AM) { |
| mAmPmTextView.setText(mAmText); |
| mRadialTimePickerView.announceForAccessibility(mAmText); |
| } else if (amOrPm == PM){ |
| mAmPmTextView.setText(mPmText); |
| mRadialTimePickerView.announceForAccessibility(mPmText); |
| } else { |
| mAmPmTextView.setText(mDoublePlaceholderText); |
| } |
| } |
| |
| /** |
| * Called by the picker for updating the header display. |
| */ |
| @Override |
| public void onValueSelected(int pickerIndex, int newValue, boolean autoAdvance) { |
| if (pickerIndex == HOUR_INDEX) { |
| updateHeaderHour(newValue, false); |
| String announcement = String.format("%d", newValue); |
| if (mAllowAutoAdvance && autoAdvance) { |
| setCurrentItemShowing(MINUTE_INDEX, true, false); |
| announcement += ". " + mSelectMinutes; |
| } else { |
| mRadialTimePickerView.setContentDescription( |
| mHourPickerDescription + ": " + newValue); |
| } |
| |
| mRadialTimePickerView.announceForAccessibility(announcement); |
| } else if (pickerIndex == MINUTE_INDEX){ |
| updateHeaderMinute(newValue); |
| mRadialTimePickerView.setContentDescription(mMinutePickerDescription + ": " + newValue); |
| } else if (pickerIndex == AMPM_INDEX) { |
| updateAmPmDisplay(newValue); |
| } else if (pickerIndex == ENABLE_PICKER_INDEX) { |
| if (!isTypedTimeFullyLegal()) { |
| mTypedTimes.clear(); |
| } |
| finishKbMode(true); |
| } |
| } |
| |
| private void updateHeaderHour(int value, boolean announce) { |
| final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale, |
| (mIs24HourView) ? "Hm" : "hm"); |
| final int lengthPattern = bestDateTimePattern.length(); |
| boolean hourWithTwoDigit = false; |
| char hourFormat = '\0'; |
| // Check if the returned pattern is single or double 'H', 'h', 'K', 'k'. We also save |
| // the hour format that we found. |
| for (int i = 0; i < lengthPattern; i++) { |
| final char c = bestDateTimePattern.charAt(i); |
| if (c == 'H' || c == 'h' || c == 'K' || c == 'k') { |
| hourFormat = c; |
| if (i + 1 < lengthPattern && c == bestDateTimePattern.charAt(i + 1)) { |
| hourWithTwoDigit = true; |
| } |
| break; |
| } |
| } |
| final String format; |
| if (hourWithTwoDigit) { |
| format = "%02d"; |
| } else { |
| format = "%d"; |
| } |
| if (mIs24HourView) { |
| // 'k' means 1-24 hour |
| if (hourFormat == 'k' && value == 0) { |
| value = 24; |
| } |
| } else { |
| // 'K' means 0-11 hour |
| value = modulo12(value, hourFormat == 'K'); |
| } |
| CharSequence text = String.format(format, value); |
| mHourView.setText(text); |
| if (announce) { |
| mRadialTimePickerView.announceForAccessibility(text); |
| } |
| } |
| |
| private static int modulo12(int n, boolean startWithZero) { |
| int value = n % 12; |
| if (value == 0 && !startWithZero) { |
| value = 12; |
| } |
| return value; |
| } |
| |
| /** |
| * The time separator is defined in the Unicode CLDR and cannot be supposed to be ":". |
| * |
| * See http://unicode.org/cldr/trac/browser/trunk/common/main |
| * |
| * We pass the correct "skeleton" depending on 12 or 24 hours view and then extract the |
| * separator as the character which is just after the hour marker in the returned pattern. |
| */ |
| private void updateHeaderSeparator() { |
| final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale, |
| (mIs24HourView) ? "Hm" : "hm"); |
| final String separatorText; |
| // See http://www.unicode.org/reports/tr35/tr35-dates.html for hour formats |
| final char[] hourFormats = {'H', 'h', 'K', 'k'}; |
| int hIndex = lastIndexOfAny(bestDateTimePattern, hourFormats); |
| if (hIndex == -1) { |
| // Default case |
| separatorText = ":"; |
| } else { |
| separatorText = Character.toString(bestDateTimePattern.charAt(hIndex + 1)); |
| } |
| mSeparatorView.setText(separatorText); |
| } |
| |
| static private int lastIndexOfAny(String str, char[] any) { |
| final int lengthAny = any.length; |
| if (lengthAny > 0) { |
| for (int i = str.length() - 1; i >= 0; i--) { |
| char c = str.charAt(i); |
| for (int j = 0; j < lengthAny; j++) { |
| if (c == any[j]) { |
| return i; |
| } |
| } |
| } |
| } |
| return -1; |
| } |
| |
| private void updateHeaderMinute(int value) { |
| if (value == 60) { |
| value = 0; |
| } |
| CharSequence text = String.format(mCurrentLocale, "%02d", value); |
| mRadialTimePickerView.announceForAccessibility(text); |
| mMinuteView.setText(text); |
| } |
| |
| /** |
| * Show either Hours or Minutes. |
| */ |
| private void setCurrentItemShowing(int index, boolean animateCircle, boolean announce) { |
| mRadialTimePickerView.setCurrentItemShowing(index, animateCircle); |
| |
| if (index == HOUR_INDEX) { |
| int hours = mRadialTimePickerView.getCurrentHour(); |
| if (!mIs24HourView) { |
| hours = hours % 12; |
| } |
| mRadialTimePickerView.setContentDescription(mHourPickerDescription + ": " + hours); |
| if (announce) { |
| mRadialTimePickerView.announceForAccessibility(mSelectHours); |
| } |
| } else { |
| int minutes = mRadialTimePickerView.getCurrentMinute(); |
| mRadialTimePickerView.setContentDescription(mMinutePickerDescription + ": " + minutes); |
| if (announce) { |
| mRadialTimePickerView.announceForAccessibility(mSelectMinutes); |
| } |
| } |
| |
| mHourView.setSelected(index == HOUR_INDEX); |
| mMinuteView.setSelected(index == MINUTE_INDEX); |
| } |
| |
| /** |
| * For keyboard mode, processes key events. |
| * |
| * @param keyCode the pressed key. |
| * |
| * @return true if the key was successfully processed, false otherwise. |
| */ |
| private boolean processKeyUp(int keyCode) { |
| if (keyCode == KeyEvent.KEYCODE_ESCAPE || keyCode == KeyEvent.KEYCODE_TAB) { |
| if(mInKbMode) { |
| if (isTypedTimeFullyLegal()) { |
| finishKbMode(true); |
| } |
| return true; |
| } |
| } else if (keyCode == KeyEvent.KEYCODE_ENTER) { |
| if (mInKbMode) { |
| if (!isTypedTimeFullyLegal()) { |
| return true; |
| } |
| finishKbMode(false); |
| } |
| if (mOnTimeChangedListener != null) { |
| mOnTimeChangedListener.onTimeChanged(mDelegator, |
| mRadialTimePickerView.getCurrentHour(), |
| mRadialTimePickerView.getCurrentMinute()); |
| } |
| return true; |
| } else if (keyCode == KeyEvent.KEYCODE_DEL) { |
| if (mInKbMode) { |
| if (!mTypedTimes.isEmpty()) { |
| int deleted = deleteLastTypedKey(); |
| String deletedKeyStr; |
| if (deleted == getAmOrPmKeyCode(AM)) { |
| deletedKeyStr = mAmText; |
| } else if (deleted == getAmOrPmKeyCode(PM)) { |
| deletedKeyStr = mPmText; |
| } else { |
| deletedKeyStr = String.format("%d", getValFromKeyCode(deleted)); |
| } |
| mRadialTimePickerView.announceForAccessibility( |
| String.format(mDeletedKeyFormat, deletedKeyStr)); |
| updateDisplay(true); |
| } |
| } |
| } else if (keyCode == KeyEvent.KEYCODE_0 || keyCode == KeyEvent.KEYCODE_1 |
| || keyCode == KeyEvent.KEYCODE_2 || keyCode == KeyEvent.KEYCODE_3 |
| || keyCode == KeyEvent.KEYCODE_4 || keyCode == KeyEvent.KEYCODE_5 |
| || keyCode == KeyEvent.KEYCODE_6 || keyCode == KeyEvent.KEYCODE_7 |
| || keyCode == KeyEvent.KEYCODE_8 || keyCode == KeyEvent.KEYCODE_9 |
| || (!mIs24HourView && |
| (keyCode == getAmOrPmKeyCode(AM) || keyCode == getAmOrPmKeyCode(PM)))) { |
| if (!mInKbMode) { |
| if (mRadialTimePickerView == null) { |
| // Something's wrong, because time picker should definitely not be null. |
| Log.e(TAG, "Unable to initiate keyboard mode, TimePicker was null."); |
| return true; |
| } |
| mTypedTimes.clear(); |
| tryStartingKbMode(keyCode); |
| return true; |
| } |
| // We're already in keyboard mode. |
| if (addKeyIfLegal(keyCode)) { |
| updateDisplay(false); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Try to start keyboard mode with the specified key. |
| * |
| * @param keyCode The key to use as the first press. Keyboard mode will not be started if the |
| * key is not legal to start with. Or, pass in -1 to get into keyboard mode without a starting |
| * key. |
| */ |
| private void tryStartingKbMode(int keyCode) { |
| if (keyCode == -1 || addKeyIfLegal(keyCode)) { |
| mInKbMode = true; |
| onValidationChanged(false); |
| updateDisplay(false); |
| mRadialTimePickerView.setInputEnabled(false); |
| } |
| } |
| |
| private boolean addKeyIfLegal(int keyCode) { |
| // If we're in 24hour mode, we'll need to check if the input is full. If in AM/PM mode, |
| // we'll need to see if AM/PM have been typed. |
| if ((mIs24HourView && mTypedTimes.size() == 4) || |
| (!mIs24HourView && isTypedTimeFullyLegal())) { |
| return false; |
| } |
| |
| mTypedTimes.add(keyCode); |
| if (!isTypedTimeLegalSoFar()) { |
| deleteLastTypedKey(); |
| return false; |
| } |
| |
| int val = getValFromKeyCode(keyCode); |
| mRadialTimePickerView.announceForAccessibility(String.format("%d", val)); |
| // Automatically fill in 0's if AM or PM was legally entered. |
| if (isTypedTimeFullyLegal()) { |
| if (!mIs24HourView && mTypedTimes.size() <= 3) { |
| mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0); |
| mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0); |
| } |
| onValidationChanged(true); |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Traverse the tree to see if the keys that have been typed so far are legal as is, |
| * or may become legal as more keys are typed (excluding backspace). |
| */ |
| private boolean isTypedTimeLegalSoFar() { |
| Node node = mLegalTimesTree; |
| for (int keyCode : mTypedTimes) { |
| node = node.canReach(keyCode); |
| if (node == null) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Check if the time that has been typed so far is completely legal, as is. |
| */ |
| private boolean isTypedTimeFullyLegal() { |
| if (mIs24HourView) { |
| // For 24-hour mode, the time is legal if the hours and minutes are each legal. Note: |
| // getEnteredTime() will ONLY call isTypedTimeFullyLegal() when NOT in 24hour mode. |
| int[] values = getEnteredTime(null); |
| return (values[0] >= 0 && values[1] >= 0 && values[1] < 60); |
| } else { |
| // For AM/PM mode, the time is legal if it contains an AM or PM, as those can only be |
| // legally added at specific times based on the tree's algorithm. |
| return (mTypedTimes.contains(getAmOrPmKeyCode(AM)) || |
| mTypedTimes.contains(getAmOrPmKeyCode(PM))); |
| } |
| } |
| |
| private int deleteLastTypedKey() { |
| int deleted = mTypedTimes.remove(mTypedTimes.size() - 1); |
| if (!isTypedTimeFullyLegal()) { |
| onValidationChanged(false); |
| } |
| return deleted; |
| } |
| |
| /** |
| * Get out of keyboard mode. If there is nothing in typedTimes, revert to TimePicker's time. |
| * @param updateDisplays If true, update the displays with the relevant time. |
| */ |
| private void finishKbMode(boolean updateDisplays) { |
| mInKbMode = false; |
| if (!mTypedTimes.isEmpty()) { |
| int values[] = getEnteredTime(null); |
| mRadialTimePickerView.setCurrentHour(values[0]); |
| mRadialTimePickerView.setCurrentMinute(values[1]); |
| if (!mIs24HourView) { |
| mRadialTimePickerView.setAmOrPm(values[2]); |
| } |
| mTypedTimes.clear(); |
| } |
| if (updateDisplays) { |
| updateDisplay(false); |
| mRadialTimePickerView.setInputEnabled(true); |
| } |
| } |
| |
| /** |
| * Update the hours, minutes, and AM/PM displays with the typed times. If the typedTimes is |
| * empty, either show an empty display (filled with the placeholder text), or update from the |
| * timepicker's values. |
| * |
| * @param allowEmptyDisplay if true, then if the typedTimes is empty, use the placeholder text. |
| * Otherwise, revert to the timepicker's values. |
| */ |
| private void updateDisplay(boolean allowEmptyDisplay) { |
| if (!allowEmptyDisplay && mTypedTimes.isEmpty()) { |
| int hour = mRadialTimePickerView.getCurrentHour(); |
| int minute = mRadialTimePickerView.getCurrentMinute(); |
| updateHeaderHour(hour, true); |
| updateHeaderMinute(minute); |
| if (!mIs24HourView) { |
| updateAmPmDisplay(hour < 12 ? AM : PM); |
| } |
| setCurrentItemShowing(mRadialTimePickerView.getCurrentItemShowing(), true, true); |
| onValidationChanged(true); |
| } else { |
| boolean[] enteredZeros = {false, false}; |
| int[] values = getEnteredTime(enteredZeros); |
| String hourFormat = enteredZeros[0] ? "%02d" : "%2d"; |
| String minuteFormat = (enteredZeros[1]) ? "%02d" : "%2d"; |
| String hourStr = (values[0] == -1) ? mDoublePlaceholderText : |
| String.format(hourFormat, values[0]).replace(' ', mPlaceholderText); |
| String minuteStr = (values[1] == -1) ? mDoublePlaceholderText : |
| String.format(minuteFormat, values[1]).replace(' ', mPlaceholderText); |
| mHourView.setText(hourStr); |
| mHourView.setSelected(false); |
| mMinuteView.setText(minuteStr); |
| mMinuteView.setSelected(false); |
| if (!mIs24HourView) { |
| updateAmPmDisplay(values[2]); |
| } |
| } |
| } |
| |
| private int getValFromKeyCode(int keyCode) { |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_0: |
| return 0; |
| case KeyEvent.KEYCODE_1: |
| return 1; |
| case KeyEvent.KEYCODE_2: |
| return 2; |
| case KeyEvent.KEYCODE_3: |
| return 3; |
| case KeyEvent.KEYCODE_4: |
| return 4; |
| case KeyEvent.KEYCODE_5: |
| return 5; |
| case KeyEvent.KEYCODE_6: |
| return 6; |
| case KeyEvent.KEYCODE_7: |
| return 7; |
| case KeyEvent.KEYCODE_8: |
| return 8; |
| case KeyEvent.KEYCODE_9: |
| return 9; |
| default: |
| return -1; |
| } |
| } |
| |
| /** |
| * Get the currently-entered time, as integer values of the hours and minutes typed. |
| * |
| * @param enteredZeros A size-2 boolean array, which the caller should initialize, and which |
| * may then be used for the caller to know whether zeros had been explicitly entered as either |
| * hours of minutes. This is helpful for deciding whether to show the dashes, or actual 0's. |
| * |
| * @return A size-3 int array. The first value will be the hours, the second value will be the |
| * minutes, and the third will be either AM or PM. |
| */ |
| private int[] getEnteredTime(boolean[] enteredZeros) { |
| int amOrPm = -1; |
| int startIndex = 1; |
| if (!mIs24HourView && isTypedTimeFullyLegal()) { |
| int keyCode = mTypedTimes.get(mTypedTimes.size() - 1); |
| if (keyCode == getAmOrPmKeyCode(AM)) { |
| amOrPm = AM; |
| } else if (keyCode == getAmOrPmKeyCode(PM)){ |
| amOrPm = PM; |
| } |
| startIndex = 2; |
| } |
| int minute = -1; |
| int hour = -1; |
| for (int i = startIndex; i <= mTypedTimes.size(); i++) { |
| int val = getValFromKeyCode(mTypedTimes.get(mTypedTimes.size() - i)); |
| if (i == startIndex) { |
| minute = val; |
| } else if (i == startIndex+1) { |
| minute += 10 * val; |
| if (enteredZeros != null && val == 0) { |
| enteredZeros[1] = true; |
| } |
| } else if (i == startIndex+2) { |
| hour = val; |
| } else if (i == startIndex+3) { |
| hour += 10 * val; |
| if (enteredZeros != null && val == 0) { |
| enteredZeros[0] = true; |
| } |
| } |
| } |
| |
| return new int[] { hour, minute, amOrPm }; |
| } |
| |
| /** |
| * Get the keycode value for AM and PM in the current language. |
| */ |
| private int getAmOrPmKeyCode(int amOrPm) { |
| // Cache the codes. |
| if (mAmKeyCode == -1 || mPmKeyCode == -1) { |
| // Find the first character in the AM/PM text that is unique. |
| KeyCharacterMap kcm = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD); |
| char amChar; |
| char pmChar; |
| for (int i = 0; i < Math.max(mAmText.length(), mPmText.length()); i++) { |
| amChar = mAmText.toLowerCase(mCurrentLocale).charAt(i); |
| pmChar = mPmText.toLowerCase(mCurrentLocale).charAt(i); |
| if (amChar != pmChar) { |
| KeyEvent[] events = kcm.getEvents(new char[]{amChar, pmChar}); |
| // There should be 4 events: a down and up for both AM and PM. |
| if (events != null && events.length == 4) { |
| mAmKeyCode = events[0].getKeyCode(); |
| mPmKeyCode = events[2].getKeyCode(); |
| } else { |
| Log.e(TAG, "Unable to find keycodes for AM and PM."); |
| } |
| break; |
| } |
| } |
| } |
| if (amOrPm == AM) { |
| return mAmKeyCode; |
| } else if (amOrPm == PM) { |
| return mPmKeyCode; |
| } |
| |
| return -1; |
| } |
| |
| /** |
| * Create a tree for deciding what keys can legally be typed. |
| */ |
| private void generateLegalTimesTree() { |
| // Create a quick cache of numbers to their keycodes. |
| final int k0 = KeyEvent.KEYCODE_0; |
| final int k1 = KeyEvent.KEYCODE_1; |
| final int k2 = KeyEvent.KEYCODE_2; |
| final int k3 = KeyEvent.KEYCODE_3; |
| final int k4 = KeyEvent.KEYCODE_4; |
| final int k5 = KeyEvent.KEYCODE_5; |
| final int k6 = KeyEvent.KEYCODE_6; |
| final int k7 = KeyEvent.KEYCODE_7; |
| final int k8 = KeyEvent.KEYCODE_8; |
| final int k9 = KeyEvent.KEYCODE_9; |
| |
| // The root of the tree doesn't contain any numbers. |
| mLegalTimesTree = new Node(); |
| if (mIs24HourView) { |
| // We'll be re-using these nodes, so we'll save them. |
| Node minuteFirstDigit = new Node(k0, k1, k2, k3, k4, k5); |
| Node minuteSecondDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); |
| // The first digit must be followed by the second digit. |
| minuteFirstDigit.addChild(minuteSecondDigit); |
| |
| // The first digit may be 0-1. |
| Node firstDigit = new Node(k0, k1); |
| mLegalTimesTree.addChild(firstDigit); |
| |
| // When the first digit is 0-1, the second digit may be 0-5. |
| Node secondDigit = new Node(k0, k1, k2, k3, k4, k5); |
| firstDigit.addChild(secondDigit); |
| // We may now be followed by the first minute digit. E.g. 00:09, 15:58. |
| secondDigit.addChild(minuteFirstDigit); |
| |
| // When the first digit is 0-1, and the second digit is 0-5, the third digit may be 6-9. |
| Node thirdDigit = new Node(k6, k7, k8, k9); |
| // The time must now be finished. E.g. 0:55, 1:08. |
| secondDigit.addChild(thirdDigit); |
| |
| // When the first digit is 0-1, the second digit may be 6-9. |
| secondDigit = new Node(k6, k7, k8, k9); |
| firstDigit.addChild(secondDigit); |
| // We must now be followed by the first minute digit. E.g. 06:50, 18:20. |
| secondDigit.addChild(minuteFirstDigit); |
| |
| // The first digit may be 2. |
| firstDigit = new Node(k2); |
| mLegalTimesTree.addChild(firstDigit); |
| |
| // When the first digit is 2, the second digit may be 0-3. |
| secondDigit = new Node(k0, k1, k2, k3); |
| firstDigit.addChild(secondDigit); |
| // We must now be followed by the first minute digit. E.g. 20:50, 23:09. |
| secondDigit.addChild(minuteFirstDigit); |
| |
| // When the first digit is 2, the second digit may be 4-5. |
| secondDigit = new Node(k4, k5); |
| firstDigit.addChild(secondDigit); |
| // We must now be followd by the last minute digit. E.g. 2:40, 2:53. |
| secondDigit.addChild(minuteSecondDigit); |
| |
| // The first digit may be 3-9. |
| firstDigit = new Node(k3, k4, k5, k6, k7, k8, k9); |
| mLegalTimesTree.addChild(firstDigit); |
| // We must now be followed by the first minute digit. E.g. 3:57, 8:12. |
| firstDigit.addChild(minuteFirstDigit); |
| } else { |
| // We'll need to use the AM/PM node a lot. |
| // Set up AM and PM to respond to "a" and "p". |
| Node ampm = new Node(getAmOrPmKeyCode(AM), getAmOrPmKeyCode(PM)); |
| |
| // The first hour digit may be 1. |
| Node firstDigit = new Node(k1); |
| mLegalTimesTree.addChild(firstDigit); |
| // We'll allow quick input of on-the-hour times. E.g. 1pm. |
| firstDigit.addChild(ampm); |
| |
| // When the first digit is 1, the second digit may be 0-2. |
| Node secondDigit = new Node(k0, k1, k2); |
| firstDigit.addChild(secondDigit); |
| // Also for quick input of on-the-hour times. E.g. 10pm, 12am. |
| secondDigit.addChild(ampm); |
| |
| // When the first digit is 1, and the second digit is 0-2, the third digit may be 0-5. |
| Node thirdDigit = new Node(k0, k1, k2, k3, k4, k5); |
| secondDigit.addChild(thirdDigit); |
| // The time may be finished now. E.g. 1:02pm, 1:25am. |
| thirdDigit.addChild(ampm); |
| |
| // When the first digit is 1, the second digit is 0-2, and the third digit is 0-5, |
| // the fourth digit may be 0-9. |
| Node fourthDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); |
| thirdDigit.addChild(fourthDigit); |
| // The time must be finished now. E.g. 10:49am, 12:40pm. |
| fourthDigit.addChild(ampm); |
| |
| // When the first digit is 1, and the second digit is 0-2, the third digit may be 6-9. |
| thirdDigit = new Node(k6, k7, k8, k9); |
| secondDigit.addChild(thirdDigit); |
| // The time must be finished now. E.g. 1:08am, 1:26pm. |
| thirdDigit.addChild(ampm); |
| |
| // When the first digit is 1, the second digit may be 3-5. |
| secondDigit = new Node(k3, k4, k5); |
| firstDigit.addChild(secondDigit); |
| |
| // When the first digit is 1, and the second digit is 3-5, the third digit may be 0-9. |
| thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); |
| secondDigit.addChild(thirdDigit); |
| // The time must be finished now. E.g. 1:39am, 1:50pm. |
| thirdDigit.addChild(ampm); |
| |
| // The hour digit may be 2-9. |
| firstDigit = new Node(k2, k3, k4, k5, k6, k7, k8, k9); |
| mLegalTimesTree.addChild(firstDigit); |
| // We'll allow quick input of on-the-hour-times. E.g. 2am, 5pm. |
| firstDigit.addChild(ampm); |
| |
| // When the first digit is 2-9, the second digit may be 0-5. |
| secondDigit = new Node(k0, k1, k2, k3, k4, k5); |
| firstDigit.addChild(secondDigit); |
| |
| // When the first digit is 2-9, and the second digit is 0-5, the third digit may be 0-9. |
| thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); |
| secondDigit.addChild(thirdDigit); |
| // The time must be finished now. E.g. 2:57am, 9:30pm. |
| thirdDigit.addChild(ampm); |
| } |
| } |
| |
| /** |
| * Simple node class to be used for traversal to check for legal times. |
| * mLegalKeys represents the keys that can be typed to get to the node. |
| * mChildren are the children that can be reached from this node. |
| */ |
| private class Node { |
| private int[] mLegalKeys; |
| private ArrayList<Node> mChildren; |
| |
| public Node(int... legalKeys) { |
| mLegalKeys = legalKeys; |
| mChildren = new ArrayList<Node>(); |
| } |
| |
| public void addChild(Node child) { |
| mChildren.add(child); |
| } |
| |
| public boolean containsKey(int key) { |
| for (int i = 0; i < mLegalKeys.length; i++) { |
| if (mLegalKeys[i] == key) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public Node canReach(int key) { |
| if (mChildren == null) { |
| return null; |
| } |
| for (Node child : mChildren) { |
| if (child.containsKey(key)) { |
| return child; |
| } |
| } |
| return null; |
| } |
| } |
| |
| private class KeyboardListener implements View.OnKeyListener { |
| @Override |
| public boolean onKey(View v, int keyCode, KeyEvent event) { |
| if (event.getAction() == KeyEvent.ACTION_UP) { |
| return processKeyUp(keyCode); |
| } |
| return false; |
| } |
| } |
| } |
