Java tutorial
/* * 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 com.layernet.thaidatetimepicker.time; import android.animation.ObjectAnimator; import android.app.ActionBar.LayoutParams; import android.app.Dialog; import android.app.DialogFragment; import android.content.Context; import android.content.DialogInterface; import android.content.res.Configuration; import android.content.res.Resources; import android.graphics.Color; import android.os.Bundle; import android.support.annotation.ColorInt; import android.support.annotation.IntRange; import android.support.annotation.NonNull; import android.support.annotation.StringRes; import android.support.v4.content.ContextCompat; import android.util.Log; import android.view.KeyCharacterMap; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnKeyListener; import android.view.ViewGroup; import android.view.Window; import android.widget.Button; import android.widget.RelativeLayout; import android.widget.TextView; import com.layernet.thaidatetimepicker.HapticFeedbackController; import com.layernet.thaidatetimepicker.R; import com.layernet.thaidatetimepicker.TypefaceHelper; import com.layernet.thaidatetimepicker.Utils; import com.layernet.thaidatetimepicker.time.RadialPickerLayout.OnValueSelectedListener; import java.text.DateFormatSymbols; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.Locale; /** * Dialog to set a time. */ public class TimePickerDialog extends DialogFragment implements OnValueSelectedListener, TimePickerController { private static final String TAG = "TimePickerDialog"; private static final String KEY_INITIAL_TIME = "initial_time"; private static final String KEY_IS_24_HOUR_VIEW = "is_24_hour_view"; private static final String KEY_TITLE = "dialog_title"; private static final String KEY_CURRENT_ITEM_SHOWING = "current_item_showing"; private static final String KEY_IN_KB_MODE = "in_kb_mode"; private static final String KEY_TYPED_TIMES = "typed_times"; private static final String KEY_THEME_DARK = "theme_dark"; private static final String KEY_THEME_DARK_CHANGED = "theme_dark_changed"; private static final String KEY_ACCENT = "accent"; private static final String KEY_VIBRATE = "vibrate"; private static final String KEY_DISMISS = "dismiss"; private static final String KEY_SELECTABLE_TIMES = "selectable_times"; private static final String KEY_MIN_TIME = "min_time"; private static final String KEY_MAX_TIME = "max_time"; private static final String KEY_ENABLE_SECONDS = "enable_seconds"; private static final String KEY_ENABLE_MINUTES = "enable_minutes"; private static final String KEY_OK_RESID = "ok_resid"; private static final String KEY_OK_STRING = "ok_string"; private static final String KEY_CANCEL_RESID = "cancel_resid"; private static final String KEY_CANCEL_STRING = "cancel_string"; public static final int HOUR_INDEX = 0; public static final int MINUTE_INDEX = 1; public static final int SECOND_INDEX = 2; public static final int AM = 0; public static final int PM = 1; // Delay before starting the pulse animation, in ms. private static final int PULSE_ANIMATOR_DELAY = 300; private OnTimeSetListener mCallback; private DialogInterface.OnCancelListener mOnCancelListener; private DialogInterface.OnDismissListener mOnDismissListener; private HapticFeedbackController mHapticFeedbackController; private Button mCancelButton; private Button mOkButton; private TextView mHourView; private TextView mHourSpaceView; private TextView mMinuteView; private TextView mMinuteSpaceView; private TextView mSecondView; private TextView mSecondSpaceView; private TextView mAmPmTextView; private View mAmPmHitspace; private RadialPickerLayout mTimePicker; private int mSelectedColor; private int mUnselectedColor; private String mAmText; private String mPmText; private boolean mAllowAutoAdvance; private Timepoint mInitialTime; private boolean mIs24HourMode; private String mTitle; private boolean mThemeDark; private boolean mThemeDarkChanged; private boolean mVibrate; private int mAccentColor = -1; private boolean mDismissOnPause; private Timepoint[] mSelectableTimes; private Timepoint mMinTime; private Timepoint mMaxTime; private boolean mEnableSeconds; private boolean mEnableMinutes; private int mOkResid; private String mOkString; private int mCancelResid; private String mCancelString; // For hardware IME input. private char mPlaceholderText; private String mDoublePlaceholderText; private String mDeletedKeyFormat; private boolean mInKbMode; private ArrayList<Integer> mTypedTimes; private Node mLegalTimesTree; private int mAmKeyCode; private int mPmKeyCode; // Accessibility strings. private String mHourPickerDescription; private String mSelectHours; private String mMinutePickerDescription; private String mSelectMinutes; private String mSecondPickerDescription; private String mSelectSeconds; /** * The callback interface used to indicate the user is done filling in * the time (they clicked on the 'Set' button). */ public interface OnTimeSetListener { /** * @param view The view associated with this listener. * @param hourOfDay The hour that was set. * @param minute The minute that was set. * @param second The second that was set */ void onTimeSet(RadialPickerLayout view, int hourOfDay, int minute, int second); } public TimePickerDialog() { // Empty constructor required for dialog fragment. } public static TimePickerDialog newInstance(OnTimeSetListener callback, int hourOfDay, int minute, int second, boolean is24HourMode) { TimePickerDialog ret = new TimePickerDialog(); ret.initialize(callback, hourOfDay, minute, second, is24HourMode); return ret; } public static TimePickerDialog newInstance(OnTimeSetListener callback, int hourOfDay, int minute, boolean is24HourMode) { return TimePickerDialog.newInstance(callback, hourOfDay, minute, 0, is24HourMode); } public void initialize(OnTimeSetListener callback, int hourOfDay, int minute, int second, boolean is24HourMode) { mCallback = callback; mInitialTime = new Timepoint(hourOfDay, minute, second); mIs24HourMode = is24HourMode; mInKbMode = false; mTitle = ""; mThemeDark = false; mThemeDarkChanged = false; mAccentColor = -1; mVibrate = true; mDismissOnPause = false; mEnableSeconds = false; mEnableMinutes = true; mOkResid = R.string.mdtp_ok; mCancelResid = R.string.mdtp_cancel; } /** * Set a title. NOTE: this will only take effect with the next onCreateView */ public void setTitle(String title) { mTitle = title; } public String getTitle() { return mTitle; } /** * Set a dark or light theme. NOTE: this will only take effect for the next onCreateView. */ public void setThemeDark(boolean dark) { mThemeDark = dark; mThemeDarkChanged = true; } /** * Set the accent color of this dialog * @param color the accent color you want */ public void setAccentColor(String color) { try { mAccentColor = Color.parseColor(color); } catch (IllegalArgumentException e) { throw e; } } /** * Set the accent color of this dialog * @param color the accent color you want */ public void setAccentColor(@ColorInt int color) { mAccentColor = Color.argb(255, Color.red(color), Color.green(color), Color.blue(color)); ; } @Override public boolean isThemeDark() { return mThemeDark; } @Override public boolean is24HourMode() { return mIs24HourMode; } @Override public int getAccentColor() { return mAccentColor; } /** * Set whether the device should vibrate when touching fields * @param vibrate true if the device should vibrate when touching a field */ public void vibrate(boolean vibrate) { mVibrate = vibrate; } /** * Set whether the picker should dismiss itself when it's pausing or whether it should try to survive an orientation change * @param dismissOnPause true if the picker should dismiss itself */ public void dismissOnPause(boolean dismissOnPause) { mDismissOnPause = dismissOnPause; } /** * Set whether an additional picker for seconds should be shown * Will enable minutes picker as well if seconds picker should be shown * @param enableSeconds true if the seconds picker should be shown */ public void enableSeconds(boolean enableSeconds) { if (enableSeconds) mEnableMinutes = true; mEnableSeconds = enableSeconds; } /** * Set whether the picker for minutes should be shown * Will disable seconds if minutes are disbled * @param enableMinutes true if minutes picker should be shown */ public void enableMinutes(boolean enableMinutes) { if (!enableMinutes) mEnableSeconds = false; mEnableMinutes = enableMinutes; } @SuppressWarnings("unused") public void setMinTime(int hour, int minute, int second) { setMinTime(new Timepoint(hour, minute, second)); } public void setMinTime(Timepoint minTime) { if (mMaxTime != null && minTime.compareTo(mMaxTime) > 0) throw new IllegalArgumentException("Minimum time must be smaller than the maximum time"); mMinTime = minTime; } @SuppressWarnings("unused") public void setMaxTime(int hour, int minute, int second) { setMaxTime(new Timepoint(hour, minute, second)); } public void setMaxTime(Timepoint maxTime) { if (mMinTime != null && maxTime.compareTo(mMinTime) < 0) throw new IllegalArgumentException("Maximum time must be greater than the minimum time"); mMaxTime = maxTime; } @SuppressWarnings("unused") public void setSelectableTimes(Timepoint[] selectableTimes) { mSelectableTimes = selectableTimes; Arrays.sort(mSelectableTimes); } /** * Set the interval for selectable times in the TimePickerDialog * This is a convenience wrapper around setSelectableTimes * The interval for all three time components can be set independently * @param hourInterval The interval between 2 selectable hours ([1,24]) * @param minuteInterval The interval between 2 selectable minutes ([1,60]) * @param secondInterval The interval between 2 selectable seconds ([1,60]) */ public void setTimeInterval(@IntRange(from = 1, to = 24) int hourInterval, @IntRange(from = 1, to = 60) int minuteInterval, @IntRange(from = 1, to = 60) int secondInterval) { List<Timepoint> timepoints = new ArrayList<>(); int hour = 0; while (hour < 24) { int minute = 0; while (minute < 60) { int second = 0; while (second < 60) { timepoints.add(new Timepoint(hour, minute, second)); second += secondInterval; } minute += minuteInterval; } hour += hourInterval; } setSelectableTimes(timepoints.toArray(new Timepoint[timepoints.size()])); } /** * Set the interval for selectable times in the TimePickerDialog * This is a convenience wrapper around setSelectableTimes * The interval for all three time components can be set independently * @param hourInterval The interval between 2 selectable hours ([1,24]) * @param minuteInterval The interval between 2 selectable minutes ([1,60]) */ public void setTimeInterval(@IntRange(from = 1, to = 24) int hourInterval, @IntRange(from = 1, to = 60) int minuteInterval) { setTimeInterval(hourInterval, minuteInterval, 1); } /** * Set the interval for selectable times in the TimePickerDialog * This is a convenience wrapper around setSelectableTimes * The interval for all three time components can be set independently * @param hourInterval The interval between 2 selectable hours ([1,24]) */ @SuppressWarnings("unused") public void setTimeInterval(@IntRange(from = 1, to = 24) int hourInterval) { setTimeInterval(hourInterval, 1); } public void setOnTimeSetListener(OnTimeSetListener callback) { mCallback = callback; } public void setOnCancelListener(DialogInterface.OnCancelListener onCancelListener) { mOnCancelListener = onCancelListener; } @SuppressWarnings("unused") public void setOnDismissListener(DialogInterface.OnDismissListener onDismissListener) { mOnDismissListener = onDismissListener; } public void setStartTime(int hourOfDay, int minute, int second) { mInitialTime = roundToNearest(new Timepoint(hourOfDay, minute, second)); mInKbMode = false; } @SuppressWarnings("unused") public void setStartTime(int hourOfDay, int minute) { setStartTime(hourOfDay, minute, 0); } /** * Set the label for the Ok button (max 12 characters) * @param okString A literal String to be used as the Ok button label */ @SuppressWarnings("unused") public void setOkText(String okString) { mOkString = okString; } /** * Set the label for the Ok button (max 12 characters) * @param okResid A resource ID to be used as the Ok button label */ @SuppressWarnings("unused") public void setOkText(@StringRes int okResid) { mOkString = null; mOkResid = okResid; } /** * Set the label for the Cancel button (max 12 characters) * @param cancelString A literal String to be used as the Cancel button label */ @SuppressWarnings("unused") public void setCancelText(String cancelString) { mCancelString = cancelString; } /** * Set the label for the Cancel button (max 12 characters) * @param cancelResid A resource ID to be used as the Cancel button label */ @SuppressWarnings("unused") public void setCancelText(@StringRes int cancelResid) { mCancelString = null; mCancelResid = cancelResid; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (savedInstanceState != null && savedInstanceState.containsKey(KEY_INITIAL_TIME) && savedInstanceState.containsKey(KEY_IS_24_HOUR_VIEW)) { mInitialTime = savedInstanceState.getParcelable(KEY_INITIAL_TIME); mIs24HourMode = savedInstanceState.getBoolean(KEY_IS_24_HOUR_VIEW); mInKbMode = savedInstanceState.getBoolean(KEY_IN_KB_MODE); mTitle = savedInstanceState.getString(KEY_TITLE); mThemeDark = savedInstanceState.getBoolean(KEY_THEME_DARK); mThemeDarkChanged = savedInstanceState.getBoolean(KEY_THEME_DARK_CHANGED); mAccentColor = savedInstanceState.getInt(KEY_ACCENT); mVibrate = savedInstanceState.getBoolean(KEY_VIBRATE); mDismissOnPause = savedInstanceState.getBoolean(KEY_DISMISS); mSelectableTimes = (Timepoint[]) savedInstanceState.getParcelableArray(KEY_SELECTABLE_TIMES); mMinTime = savedInstanceState.getParcelable(KEY_MIN_TIME); mMaxTime = savedInstanceState.getParcelable(KEY_MAX_TIME); mEnableSeconds = savedInstanceState.getBoolean(KEY_ENABLE_SECONDS); mEnableMinutes = savedInstanceState.getBoolean(KEY_ENABLE_MINUTES); mOkResid = savedInstanceState.getInt(KEY_OK_RESID); mOkString = savedInstanceState.getString(KEY_OK_STRING); mCancelResid = savedInstanceState.getInt(KEY_CANCEL_RESID); mCancelString = savedInstanceState.getString(KEY_CANCEL_STRING); } } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.mdtp_time_picker_dialog, container, false); KeyboardListener keyboardListener = new KeyboardListener(); view.findViewById(R.id.time_picker_dialog).setOnKeyListener(keyboardListener); // If an accent color has not been set manually, get it from the context if (mAccentColor == -1) { mAccentColor = Utils.getAccentColorFromThemeIfAvailable(getActivity()); } // if theme mode has not been set by java code, check if it is specified in Style.xml if (!mThemeDarkChanged) { mThemeDark = Utils.isDarkTheme(getActivity(), mThemeDark); } Resources res = getResources(); Context context = getActivity(); mHourPickerDescription = res.getString(R.string.mdtp_hour_picker_description); mSelectHours = res.getString(R.string.mdtp_select_hours); mMinutePickerDescription = res.getString(R.string.mdtp_minute_picker_description); mSelectMinutes = res.getString(R.string.mdtp_select_minutes); mSecondPickerDescription = res.getString(R.string.mdtp_second_picker_description); mSelectSeconds = res.getString(R.string.mdtp_select_seconds); mSelectedColor = ContextCompat.getColor(context, R.color.mdtp_white); mUnselectedColor = ContextCompat.getColor(context, R.color.mdtp_accent_color_focused); mHourView = (TextView) view.findViewById(R.id.hours); mHourView.setOnKeyListener(keyboardListener); mHourSpaceView = (TextView) view.findViewById(R.id.hour_space); mMinuteSpaceView = (TextView) view.findViewById(R.id.minutes_space); mMinuteView = (TextView) view.findViewById(R.id.minutes); mMinuteView.setOnKeyListener(keyboardListener); mSecondSpaceView = (TextView) view.findViewById(R.id.seconds_space); mSecondView = (TextView) view.findViewById(R.id.seconds); mSecondView.setOnKeyListener(keyboardListener); mAmPmTextView = (TextView) view.findViewById(R.id.ampm_label); mAmPmTextView.setOnKeyListener(keyboardListener); String[] amPmTexts = new DateFormatSymbols().getAmPmStrings(); mAmText = amPmTexts[0]; mPmText = amPmTexts[1]; mHapticFeedbackController = new HapticFeedbackController(getActivity()); if (mTimePicker != null) { mInitialTime = new Timepoint(mTimePicker.getHours(), mTimePicker.getMinutes(), mTimePicker.getSeconds()); } mInitialTime = roundToNearest(mInitialTime); mTimePicker = (RadialPickerLayout) view.findViewById(R.id.time_picker); mTimePicker.setOnValueSelectedListener(this); mTimePicker.setOnKeyListener(keyboardListener); mTimePicker.initialize(getActivity(), this, mInitialTime, mIs24HourMode); int currentItemShowing = HOUR_INDEX; if (savedInstanceState != null && savedInstanceState.containsKey(KEY_CURRENT_ITEM_SHOWING)) { currentItemShowing = savedInstanceState.getInt(KEY_CURRENT_ITEM_SHOWING); } setCurrentItemShowing(currentItemShowing, false, true, true); mTimePicker.invalidate(); mHourView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { setCurrentItemShowing(HOUR_INDEX, true, false, true); tryVibrate(); } }); mMinuteView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { setCurrentItemShowing(MINUTE_INDEX, true, false, true); tryVibrate(); } }); mSecondView.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { setCurrentItemShowing(SECOND_INDEX, true, false, true); tryVibrate(); } }); mOkButton = (Button) view.findViewById(R.id.ok); mOkButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (mInKbMode && isTypedTimeFullyLegal()) { finishKbMode(false); } else { tryVibrate(); } notifyOnDateListener(); dismiss(); } }); mOkButton.setOnKeyListener(keyboardListener); mOkButton.setTypeface(TypefaceHelper.get(context, "Roboto-Medium")); if (mOkString != null) mOkButton.setText(mOkString); else mOkButton.setText(mOkResid); mCancelButton = (Button) view.findViewById(R.id.cancel); mCancelButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { tryVibrate(); if (getDialog() != null) getDialog().cancel(); } }); mCancelButton.setTypeface(TypefaceHelper.get(context, "Roboto-Medium")); if (mCancelString != null) mCancelButton.setText(mCancelString); else mCancelButton.setText(mCancelResid); mCancelButton.setVisibility(isCancelable() ? View.VISIBLE : View.GONE); // Enable or disable the AM/PM view. mAmPmHitspace = view.findViewById(R.id.ampm_hitspace); if (mIs24HourMode) { mAmPmTextView.setVisibility(View.GONE); } else { mAmPmTextView.setVisibility(View.VISIBLE); updateAmPmDisplay(mInitialTime.isAM() ? AM : PM); mAmPmHitspace.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // Don't do anything if either AM or PM are disabled if (isAmDisabled() || isPmDisabled()) return; tryVibrate(); int amOrPm = mTimePicker.getIsCurrentlyAmOrPm(); if (amOrPm == AM) { amOrPm = PM; } else if (amOrPm == PM) { amOrPm = AM; } mTimePicker.setAmOrPm(amOrPm); } }); } // Disable seconds picker if (!mEnableSeconds) { mSecondView.setVisibility(View.GONE); view.findViewById(R.id.separator_seconds).setVisibility(View.GONE); } // Disable minutes picker if (!mEnableMinutes) { mMinuteSpaceView.setVisibility(View.GONE); view.findViewById(R.id.separator).setVisibility(View.GONE); } // Center stuff depending on what's visible if (mIs24HourMode && !mEnableSeconds && mEnableMinutes) { // center first separator RelativeLayout.LayoutParams paramsSeparator = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); paramsSeparator.addRule(RelativeLayout.CENTER_IN_PARENT); TextView separatorView = (TextView) view.findViewById(R.id.separator); separatorView.setLayoutParams(paramsSeparator); } else if (!mEnableMinutes && !mEnableSeconds) { // center the hour RelativeLayout.LayoutParams paramsHour = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); paramsHour.addRule(RelativeLayout.CENTER_IN_PARENT); mHourSpaceView.setLayoutParams(paramsHour); if (!mIs24HourMode) { RelativeLayout.LayoutParams paramsAmPm = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); paramsAmPm.addRule(RelativeLayout.RIGHT_OF, R.id.hour_space); paramsAmPm.addRule(RelativeLayout.ALIGN_BASELINE, R.id.hour_space); mAmPmTextView.setLayoutParams(paramsAmPm); } } else if (mEnableSeconds) { // link separator to minutes final View separator = view.findViewById(R.id.separator); RelativeLayout.LayoutParams paramsSeparator = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); paramsSeparator.addRule(RelativeLayout.LEFT_OF, R.id.minutes_space); paramsSeparator.addRule(RelativeLayout.CENTER_VERTICAL, RelativeLayout.TRUE); separator.setLayoutParams(paramsSeparator); if (!mIs24HourMode) { // center minutes RelativeLayout.LayoutParams paramsMinutes = new RelativeLayout.LayoutParams( LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); paramsMinutes.addRule(RelativeLayout.CENTER_IN_PARENT); mMinuteSpaceView.setLayoutParams(paramsMinutes); } else { // move minutes to right of center RelativeLayout.LayoutParams paramsMinutes = new RelativeLayout.LayoutParams( LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); paramsMinutes.addRule(RelativeLayout.RIGHT_OF, R.id.center_view); mMinuteSpaceView.setLayoutParams(paramsMinutes); } } mAllowAutoAdvance = true; setHour(mInitialTime.getHour(), true); setMinute(mInitialTime.getMinute()); setSecond(mInitialTime.getSecond()); // Set up for keyboard mode. mDoublePlaceholderText = res.getString(R.string.mdtp_time_placeholder); mDeletedKeyFormat = res.getString(R.string.mdtp_deleted_key); mPlaceholderText = mDoublePlaceholderText.charAt(0); mAmKeyCode = mPmKeyCode = -1; generateLegalTimesTree(); if (mInKbMode) { mTypedTimes = savedInstanceState.getIntegerArrayList(KEY_TYPED_TIMES); tryStartingKbMode(-1); mHourView.invalidate(); } else if (mTypedTimes == null) { mTypedTimes = new ArrayList<>(); } // Set the title (if any) TextView timePickerHeader = (TextView) view.findViewById(R.id.time_picker_header); if (!mTitle.isEmpty()) { timePickerHeader.setVisibility(TextView.VISIBLE); timePickerHeader.setText(mTitle.toUpperCase(Locale.getDefault())); } // Set the theme at the end so that the initialize()s above don't counteract the theme. mOkButton.setTextColor(mAccentColor); mCancelButton.setTextColor(mAccentColor); timePickerHeader.setBackgroundColor(Utils.darkenColor(mAccentColor)); view.findViewById(R.id.time_display_background).setBackgroundColor(mAccentColor); view.findViewById(R.id.time_display).setBackgroundColor(mAccentColor); if (getDialog() == null) { view.findViewById(R.id.done_background).setVisibility(View.GONE); } int circleBackground = ContextCompat.getColor(context, R.color.mdtp_circle_background); int backgroundColor = ContextCompat.getColor(context, R.color.mdtp_background_color); int darkBackgroundColor = ContextCompat.getColor(context, R.color.mdtp_light_gray); int lightGray = ContextCompat.getColor(context, R.color.mdtp_light_gray); mTimePicker.setBackgroundColor(mThemeDark ? lightGray : circleBackground); view.findViewById(R.id.time_picker_dialog) .setBackgroundColor(mThemeDark ? darkBackgroundColor : backgroundColor); return view; } @Override public void onConfigurationChanged(final Configuration newConfig) { super.onConfigurationChanged(newConfig); ViewGroup viewGroup = (ViewGroup) getView(); if (viewGroup != null) { viewGroup.removeAllViewsInLayout(); View view = onCreateView(getActivity().getLayoutInflater(), viewGroup, null); viewGroup.addView(view); } } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { Dialog dialog = super.onCreateDialog(savedInstanceState); dialog.requestWindowFeature(Window.FEATURE_NO_TITLE); return dialog; } @Override public void onResume() { super.onResume(); mHapticFeedbackController.start(); } @Override public void onPause() { super.onPause(); mHapticFeedbackController.stop(); if (mDismissOnPause) dismiss(); } @Override public void onCancel(DialogInterface dialog) { super.onCancel(dialog); if (mOnCancelListener != null) mOnCancelListener.onCancel(dialog); } @Override public void onDismiss(DialogInterface dialog) { super.onDismiss(dialog); if (mOnDismissListener != null) mOnDismissListener.onDismiss(dialog); } @Override public void tryVibrate() { if (mVibrate) mHapticFeedbackController.tryVibrate(); } private void updateAmPmDisplay(int amOrPm) { if (amOrPm == AM) { mAmPmTextView.setText(mAmText); Utils.tryAccessibilityAnnounce(mTimePicker, mAmText); mAmPmHitspace.setContentDescription(mAmText); } else if (amOrPm == PM) { mAmPmTextView.setText(mPmText); Utils.tryAccessibilityAnnounce(mTimePicker, mPmText); mAmPmHitspace.setContentDescription(mPmText); } else { mAmPmTextView.setText(mDoublePlaceholderText); } } @Override public void onSaveInstanceState(@NonNull Bundle outState) { if (mTimePicker != null) { outState.putParcelable(KEY_INITIAL_TIME, mTimePicker.getTime()); outState.putBoolean(KEY_IS_24_HOUR_VIEW, mIs24HourMode); outState.putInt(KEY_CURRENT_ITEM_SHOWING, mTimePicker.getCurrentItemShowing()); outState.putBoolean(KEY_IN_KB_MODE, mInKbMode); if (mInKbMode) { outState.putIntegerArrayList(KEY_TYPED_TIMES, mTypedTimes); } outState.putString(KEY_TITLE, mTitle); outState.putBoolean(KEY_THEME_DARK, mThemeDark); outState.putBoolean(KEY_THEME_DARK_CHANGED, mThemeDarkChanged); outState.putInt(KEY_ACCENT, mAccentColor); outState.putBoolean(KEY_VIBRATE, mVibrate); outState.putBoolean(KEY_DISMISS, mDismissOnPause); outState.putParcelableArray(KEY_SELECTABLE_TIMES, mSelectableTimes); outState.putParcelable(KEY_MIN_TIME, mMinTime); outState.putParcelable(KEY_MAX_TIME, mMaxTime); outState.putBoolean(KEY_ENABLE_SECONDS, mEnableSeconds); outState.putBoolean(KEY_ENABLE_MINUTES, mEnableMinutes); outState.putInt(KEY_OK_RESID, mOkResid); outState.putString(KEY_OK_STRING, mOkString); outState.putInt(KEY_CANCEL_RESID, mCancelResid); outState.putString(KEY_CANCEL_STRING, mCancelString); } } /** * Called by the picker for updating the header display. */ @Override public void onValueSelected(Timepoint newValue) { setHour(newValue.getHour(), false); mTimePicker.setContentDescription(mHourPickerDescription + ": " + newValue.getHour()); setMinute(newValue.getMinute()); mTimePicker.setContentDescription(mMinutePickerDescription + ": " + newValue.getMinute()); setSecond(newValue.getSecond()); mTimePicker.setContentDescription(mSecondPickerDescription + ": " + newValue.getSecond()); if (!mIs24HourMode) updateAmPmDisplay(newValue.isAM() ? AM : PM); } @Override public void advancePicker(int index) { if (!mAllowAutoAdvance) return; if (index == HOUR_INDEX && mEnableMinutes) { setCurrentItemShowing(MINUTE_INDEX, true, true, false); String announcement = mSelectHours + ". " + mTimePicker.getMinutes(); Utils.tryAccessibilityAnnounce(mTimePicker, announcement); } else if (index == MINUTE_INDEX && mEnableSeconds) { setCurrentItemShowing(SECOND_INDEX, true, true, false); String announcement = mSelectMinutes + ". " + mTimePicker.getSeconds(); Utils.tryAccessibilityAnnounce(mTimePicker, announcement); } } @Override public void enablePicker() { if (!isTypedTimeFullyLegal()) mTypedTimes.clear(); finishKbMode(true); } public boolean isOutOfRange(Timepoint current) { if (mMinTime != null && mMinTime.compareTo(current) > 0) return true; if (mMaxTime != null && mMaxTime.compareTo(current) < 0) return true; if (mSelectableTimes != null) return !Arrays.asList(mSelectableTimes).contains(current); return false; } @Override public boolean isOutOfRange(Timepoint current, int index) { if (current == null) return false; if (index == HOUR_INDEX) { if (mMinTime != null && mMinTime.getHour() > current.getHour()) return true; if (mMaxTime != null && mMaxTime.getHour() + 1 <= current.getHour()) return true; if (mSelectableTimes != null) { for (Timepoint t : mSelectableTimes) { if (t.getHour() == current.getHour()) return false; } return true; } return false; } else if (index == MINUTE_INDEX) { if (mMinTime != null) { Timepoint roundedMin = new Timepoint(mMinTime.getHour(), mMinTime.getMinute()); if (roundedMin.compareTo(current) > 0) return true; } if (mMaxTime != null) { Timepoint roundedMax = new Timepoint(mMaxTime.getHour(), mMaxTime.getMinute(), 59); if (roundedMax.compareTo(current) < 0) return true; } if (mSelectableTimes != null) { for (Timepoint t : mSelectableTimes) { if (t.getHour() == current.getHour() && t.getMinute() == current.getMinute()) return false; } return true; } return false; } else return isOutOfRange(current); } @Override public boolean isAmDisabled() { Timepoint midday = new Timepoint(12); if (mMinTime != null && mMinTime.compareTo(midday) > 0) return true; if (mSelectableTimes != null) { for (Timepoint t : mSelectableTimes) if (t.compareTo(midday) < 0) return false; return true; } return false; } @Override public boolean isPmDisabled() { Timepoint midday = new Timepoint(12); if (mMaxTime != null && mMaxTime.compareTo(midday) < 0) return true; if (mSelectableTimes != null) { for (Timepoint t : mSelectableTimes) if (t.compareTo(midday) >= 0) return false; return true; } return false; } /** * Round a given Timepoint to the nearest valid Timepoint * @param time Timepoint - The timepoint to round * @return Timepoint - The nearest valid Timepoint */ private Timepoint roundToNearest(Timepoint time) { return roundToNearest(time, Timepoint.TYPE.HOUR); } @Override public Timepoint roundToNearest(Timepoint time, Timepoint.TYPE type) { if (mMinTime != null && mMinTime.compareTo(time) > 0) return mMinTime; if (mMaxTime != null && mMaxTime.compareTo(time) < 0) return mMaxTime; if (mSelectableTimes != null) { int currentDistance = Integer.MAX_VALUE; Timepoint output = time; for (Timepoint t : mSelectableTimes) { if (type == Timepoint.TYPE.MINUTE && t.getHour() != time.getHour()) continue; if (type == Timepoint.TYPE.SECOND && t.getHour() != time.getHour() && t.getMinute() != time.getMinute()) continue; int newDistance = Math.abs(t.compareTo(time)); if (newDistance < currentDistance) { currentDistance = newDistance; output = t; } else break; } return output; } return time; } private void setHour(int value, boolean announce) { String format; if (mIs24HourMode) { format = "%02d"; } else { format = "%d"; value = value % 12; if (value == 0) { value = 12; } } CharSequence text = String.format(format, value); mHourView.setText(text); mHourSpaceView.setText(text); if (announce) { Utils.tryAccessibilityAnnounce(mTimePicker, text); } } private void setMinute(int value) { if (value == 60) { value = 0; } CharSequence text = String.format(Locale.getDefault(), "%02d", value); Utils.tryAccessibilityAnnounce(mTimePicker, text); mMinuteView.setText(text); mMinuteSpaceView.setText(text); } private void setSecond(int value) { if (value == 60) { value = 0; } CharSequence text = String.format(Locale.getDefault(), "%02d", value); Utils.tryAccessibilityAnnounce(mTimePicker, text); mSecondView.setText(text); mSecondSpaceView.setText(text); } // Show either Hours or Minutes. private void setCurrentItemShowing(int index, boolean animateCircle, boolean delayLabelAnimate, boolean announce) { mTimePicker.setCurrentItemShowing(index, animateCircle); TextView labelToAnimate; switch (index) { case HOUR_INDEX: int hours = mTimePicker.getHours(); if (!mIs24HourMode) { hours = hours % 12; } mTimePicker.setContentDescription(mHourPickerDescription + ": " + hours); if (announce) { Utils.tryAccessibilityAnnounce(mTimePicker, mSelectHours); } labelToAnimate = mHourView; break; case MINUTE_INDEX: int minutes = mTimePicker.getMinutes(); mTimePicker.setContentDescription(mMinutePickerDescription + ": " + minutes); if (announce) { Utils.tryAccessibilityAnnounce(mTimePicker, mSelectMinutes); } labelToAnimate = mMinuteView; break; default: int seconds = mTimePicker.getSeconds(); mTimePicker.setContentDescription(mSecondPickerDescription + ": " + seconds); if (announce) { Utils.tryAccessibilityAnnounce(mTimePicker, mSelectSeconds); } labelToAnimate = mSecondView; } int hourColor = (index == HOUR_INDEX) ? mSelectedColor : mUnselectedColor; int minuteColor = (index == MINUTE_INDEX) ? mSelectedColor : mUnselectedColor; int secondColor = (index == SECOND_INDEX) ? mSelectedColor : mUnselectedColor; mHourView.setTextColor(hourColor); mMinuteView.setTextColor(minuteColor); mSecondView.setTextColor(secondColor); ObjectAnimator pulseAnimator = Utils.getPulseAnimator(labelToAnimate, 0.85f, 1.1f); if (delayLabelAnimate) { pulseAnimator.setStartDelay(PULSE_ANIMATOR_DELAY); } pulseAnimator.start(); } /** * 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_BACK) { if (isCancelable()) dismiss(); return true; } else if (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 (mCallback != null) { mCallback.onTimeSet(mTimePicker, mTimePicker.getHours(), mTimePicker.getMinutes(), mTimePicker.getSeconds()); } dismiss(); 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)); } Utils.tryAccessibilityAnnounce(mTimePicker, 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 || (!mIs24HourMode && (keyCode == getAmOrPmKeyCode(AM) || keyCode == getAmOrPmKeyCode(PM)))) { if (!mInKbMode) { if (mTimePicker == 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, as long as the timepicker is not in the * middle of a touch-event. * @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 (mTimePicker.trySettingInputEnabled(false) && (keyCode == -1 || addKeyIfLegal(keyCode))) { mInKbMode = true; mOkButton.setEnabled(false); updateDisplay(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. int textSize = 6; if (mEnableMinutes && !mEnableSeconds) textSize = 4; if (!mEnableMinutes && !mEnableSeconds) textSize = 2; if ((mIs24HourMode && mTypedTimes.size() == textSize) || (!mIs24HourMode && isTypedTimeFullyLegal())) { return false; } mTypedTimes.add(keyCode); if (!isTypedTimeLegalSoFar()) { deleteLastTypedKey(); return false; } int val = getValFromKeyCode(keyCode); Utils.tryAccessibilityAnnounce(mTimePicker, String.format("%d", val)); // Automatically fill in 0's if AM or PM was legally entered. if (isTypedTimeFullyLegal()) { if (!mIs24HourMode && mTypedTimes.size() <= (textSize - 1)) { mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0); mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0); } mOkButton.setEnabled(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 (mIs24HourMode) { // 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 && values[2] >= 0 && values[2] < 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()) { mOkButton.setEnabled(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); mTimePicker.setTime(new Timepoint(values[0], values[1], values[2])); if (!mIs24HourMode) { mTimePicker.setAmOrPm(values[3]); } mTypedTimes.clear(); } if (updateDisplays) { updateDisplay(false); mTimePicker.trySettingInputEnabled(true); } } /** * Update the hours, minutes, seconds 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 = mTimePicker.getHours(); int minute = mTimePicker.getMinutes(); int second = mTimePicker.getSeconds(); setHour(hour, true); setMinute(minute); setSecond(second); if (!mIs24HourMode) { updateAmPmDisplay(hour < 12 ? AM : PM); } setCurrentItemShowing(mTimePicker.getCurrentItemShowing(), true, true, true); mOkButton.setEnabled(true); } else { Boolean[] enteredZeros = { false, false, false }; int[] values = getEnteredTime(enteredZeros); String hourFormat = enteredZeros[0] ? "%02d" : "%2d"; String minuteFormat = (enteredZeros[1]) ? "%02d" : "%2d"; String secondFormat = (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); String secondStr = (values[2] == -1) ? mDoublePlaceholderText : String.format(secondFormat, values[1]).replace(' ', mPlaceholderText); mHourView.setText(hourStr); mHourSpaceView.setText(hourStr); mHourView.setTextColor(mUnselectedColor); mMinuteView.setText(minuteStr); mMinuteSpaceView.setText(minuteStr); mMinuteView.setTextColor(mUnselectedColor); mSecondView.setText(secondStr); mSecondSpaceView.setText(secondStr); mSecondView.setTextColor(mUnselectedColor); if (!mIs24HourMode) { updateAmPmDisplay(values[3]); } } } private static 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, minutes and seconds 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 TimePickerDialog.AM or TimePickerDialog.PM. */ private int[] getEnteredTime(Boolean[] enteredZeros) { int amOrPm = -1; int startIndex = 1; if (!mIs24HourMode && 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; int second = 0; int shift = mEnableSeconds ? 2 : 0; for (int i = startIndex; i <= mTypedTimes.size(); i++) { int val = getValFromKeyCode(mTypedTimes.get(mTypedTimes.size() - i)); if (mEnableSeconds) { if (i == startIndex) { second = val; } else if (i == startIndex + 1) { second += 10 * val; if (enteredZeros != null && val == 0) { enteredZeros[2] = true; } } } if (mEnableMinutes) { if (i == startIndex + shift) { minute = val; } else if (i == startIndex + shift + 1) { minute += 10 * val; if (enteredZeros != null && val == 0) { enteredZeros[1] = true; } } else if (i == startIndex + shift + 2) { hour = val; } else if (i == startIndex + shift + 3) { hour += 10 * val; if (enteredZeros != null && val == 0) { enteredZeros[0] = true; } } } else { if (i == startIndex + shift) { hour = val; } else if (i == startIndex + shift + 1) { hour += 10 * val; if (enteredZeros != null && val == 0) { enteredZeros[0] = true; } } } } return new int[] { hour, minute, second, 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(Locale.getDefault()).charAt(i); pmChar = mPmText.toLowerCase(Locale.getDefault()).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. int k0 = KeyEvent.KEYCODE_0; int k1 = KeyEvent.KEYCODE_1; int k2 = KeyEvent.KEYCODE_2; int k3 = KeyEvent.KEYCODE_3; int k4 = KeyEvent.KEYCODE_4; int k5 = KeyEvent.KEYCODE_5; int k6 = KeyEvent.KEYCODE_6; int k7 = KeyEvent.KEYCODE_7; int k8 = KeyEvent.KEYCODE_8; int k9 = KeyEvent.KEYCODE_9; // The root of the tree doesn't contain any numbers. mLegalTimesTree = new Node(); // In case we're only allowing hours if (!mEnableMinutes && mIs24HourMode) { // 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 0-9 Node secondDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); firstDigit.addChild(secondDigit); // 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); return; } if (!mEnableMinutes && !mIs24HourMode) { // 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 digit may be 1 Node firstDigit = new Node(k1); mLegalTimesTree.addChild(firstDigit); // If the first digit is 1, the second one may be am/pm 1pm firstDigit.addChild(ampm); // If the first digit is 1, the second digit may be 0-2 Node secondDigit = new Node(k0, k1, k2); firstDigit.addChild(secondDigit); secondDigit.addChild(ampm); // The first digit may be 2-9 firstDigit = new Node(k2, k3, k4, k5, k6, k7, k8, k9); mLegalTimesTree.addChild(firstDigit); firstDigit.addChild(ampm); return; } // In case minutes are allowed if (mIs24HourMode) { // 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); if (mEnableSeconds) { Node secondsFirstDigit = new Node(k0, k1, k2, k3, k4, k5); Node secondsSecondDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); secondsFirstDigit.addChild(secondsSecondDigit); // Minutes can be followed by seconds. minuteSecondDigit.addChild(secondsFirstDigit); } // 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)); // Seconds will be used a few times as well, if enabled. Node secondsFirstDigit = new Node(k0, k1, k2, k3, k4, k5); Node secondsSecondDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); secondsSecondDigit.addChild(ampm); secondsFirstDigit.addChild(secondsSecondDigit); // 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, when seconds are disabled. E.g. 10:49am, 12:40pm. fourthDigit.addChild(ampm); // When the first digit is 1, the second digit is 0-2, and the third digit is 0-5, // and fourth digit is 0-9, we may add seconds if enabled. if (mEnableSeconds) { // The time must be finished now. E.g. 10:49:01am, 12:40:59pm. fourthDigit.addChild(secondsFirstDigit); } // 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, and the second digit is 0-2, and the third digit is 6-9, // we may add seconds is enabled. if (mEnableSeconds) { // The time must be finished now. E.g. 1:08:01am, 1:26:59pm. thirdDigit.addChild(secondsFirstDigit); } // 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 if seconds are disabled. E.g. 1:39am, 1:50pm. thirdDigit.addChild(ampm); // When the first digit is 1, and the second digit is 3-5, and the third digit is 0-9, // we may add seconds if enabled. if (mEnableSeconds) { // The time must be finished now. E.g. 1:39:01am, 1:50:59pm. thirdDigit.addChild(secondsFirstDigit); } // 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); // When the first digit is 2-9, and the second digit is 0-5, and third digit is 0-9, we // may add seconds if enabled. if (mEnableSeconds) { // The time must be finished now. E.g. 2:57:01am, 9:30:59pm. thirdDigit.addChild(secondsFirstDigit); } } } /** * 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 static class Node { private int[] mLegalKeys; private ArrayList<Node> mChildren; public Node(int... legalKeys) { mLegalKeys = legalKeys; mChildren = new ArrayList<>(); } public void addChild(Node child) { mChildren.add(child); } public boolean containsKey(int key) { for (int legalKey : mLegalKeys) { if (legalKey == 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 OnKeyListener { @Override public boolean onKey(View v, int keyCode, KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_UP) { return processKeyUp(keyCode); } return false; } } public void notifyOnDateListener() { if (mCallback != null) { mCallback.onTimeSet(mTimePicker, mTimePicker.getHours(), mTimePicker.getMinutes(), mTimePicker.getSeconds()); } } }