1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.datetimepicker.time; 18 19 import android.animation.ObjectAnimator; 20 import android.app.ActionBar.LayoutParams; 21 import android.app.DialogFragment; 22 import android.content.Context; 23 import android.content.res.ColorStateList; 24 import android.content.res.Resources; 25 import android.os.Bundle; 26 import android.util.Log; 27 import android.view.KeyCharacterMap; 28 import android.view.KeyEvent; 29 import android.view.LayoutInflater; 30 import android.view.View; 31 import android.view.View.OnClickListener; 32 import android.view.View.OnKeyListener; 33 import android.view.ViewGroup; 34 import android.view.Window; 35 import android.widget.RelativeLayout; 36 import android.widget.TextView; 37 38 import com.android.datetimepicker.HapticFeedbackController; 39 import com.android.datetimepicker.R; 40 import com.android.datetimepicker.Utils; 41 import com.android.datetimepicker.time.RadialPickerLayout.OnValueSelectedListener; 42 43 import java.text.DateFormatSymbols; 44 import java.util.ArrayList; 45 import java.util.Locale; 46 47 /** 48 * Dialog to set a time. 49 * 50 * @deprecated Use {@link android.app.TimePickerDialog}. 51 */ 52 @Deprecated 53 public class TimePickerDialog extends DialogFragment implements OnValueSelectedListener{ 54 private static final String TAG = "TimePickerDialog"; 55 56 private static final String KEY_HOUR_OF_DAY = "hour_of_day"; 57 private static final String KEY_MINUTE = "minute"; 58 private static final String KEY_IS_24_HOUR_VIEW = "is_24_hour_view"; 59 private static final String KEY_CURRENT_ITEM_SHOWING = "current_item_showing"; 60 private static final String KEY_IN_KB_MODE = "in_kb_mode"; 61 private static final String KEY_TYPED_TIMES = "typed_times"; 62 private static final String KEY_DARK_THEME = "dark_theme"; 63 64 public static final int HOUR_INDEX = 0; 65 public static final int MINUTE_INDEX = 1; 66 // NOT a real index for the purpose of what's showing. 67 public static final int AMPM_INDEX = 2; 68 // Also NOT a real index, just used for keyboard mode. 69 public static final int ENABLE_PICKER_INDEX = 3; 70 public static final int AM = 0; 71 public static final int PM = 1; 72 73 // Delay before starting the pulse animation, in ms. 74 private static final int PULSE_ANIMATOR_DELAY = 300; 75 76 private OnTimeSetListener mCallback; 77 78 private HapticFeedbackController mHapticFeedbackController; 79 80 private TextView mDoneButton; 81 private TextView mHourView; 82 private TextView mHourSpaceView; 83 private TextView mMinuteView; 84 private TextView mMinuteSpaceView; 85 private TextView mAmPmTextView; 86 private View mAmPmHitspace; 87 private RadialPickerLayout mTimePicker; 88 89 private int mSelectedColor; 90 private int mUnselectedColor; 91 private String mAmText; 92 private String mPmText; 93 94 private boolean mAllowAutoAdvance; 95 private int mInitialHourOfDay; 96 private int mInitialMinute; 97 private boolean mIs24HourMode; 98 private boolean mThemeDark; 99 100 // For hardware IME input. 101 private char mPlaceholderText; 102 private String mDoublePlaceholderText; 103 private String mDeletedKeyFormat; 104 private boolean mInKbMode; 105 private ArrayList<Integer> mTypedTimes; 106 private Node mLegalTimesTree; 107 private int mAmKeyCode; 108 private int mPmKeyCode; 109 110 // Accessibility strings. 111 private String mHourPickerDescription; 112 private String mSelectHours; 113 private String mMinutePickerDescription; 114 private String mSelectMinutes; 115 116 /** 117 * The callback interface used to indicate the user is done filling in 118 * the time (they clicked on the 'Set' button). 119 */ 120 public interface OnTimeSetListener { 121 122 /** 123 * @param view The view associated with this listener. 124 * @param hourOfDay The hour that was set. 125 * @param minute The minute that was set. 126 */ 127 void onTimeSet(RadialPickerLayout view, int hourOfDay, int minute); 128 } 129 130 public TimePickerDialog() { 131 // Empty constructor required for dialog fragment. 132 } 133 134 public TimePickerDialog(Context context, int theme, OnTimeSetListener callback, 135 int hourOfDay, int minute, boolean is24HourMode) { 136 // Empty constructor required for dialog fragment. 137 } 138 139 public static TimePickerDialog newInstance(OnTimeSetListener callback, 140 int hourOfDay, int minute, boolean is24HourMode) { 141 TimePickerDialog ret = new TimePickerDialog(); 142 ret.initialize(callback, hourOfDay, minute, is24HourMode); 143 return ret; 144 } 145 146 public void initialize(OnTimeSetListener callback, 147 int hourOfDay, int minute, boolean is24HourMode) { 148 mCallback = callback; 149 150 mInitialHourOfDay = hourOfDay; 151 mInitialMinute = minute; 152 mIs24HourMode = is24HourMode; 153 mInKbMode = false; 154 mThemeDark = false; 155 } 156 157 /** 158 * Set a dark or light theme. NOTE: this will only take effect for the next onCreateView. 159 */ 160 public void setThemeDark(boolean dark) { 161 mThemeDark = dark; 162 } 163 164 public boolean isThemeDark() { 165 return mThemeDark; 166 } 167 168 public void setOnTimeSetListener(OnTimeSetListener callback) { 169 mCallback = callback; 170 } 171 172 public void setStartTime(int hourOfDay, int minute) { 173 mInitialHourOfDay = hourOfDay; 174 mInitialMinute = minute; 175 mInKbMode = false; 176 } 177 178 @Override 179 public void onCreate(Bundle savedInstanceState) { 180 super.onCreate(savedInstanceState); 181 if (savedInstanceState != null && savedInstanceState.containsKey(KEY_HOUR_OF_DAY) 182 && savedInstanceState.containsKey(KEY_MINUTE) 183 && savedInstanceState.containsKey(KEY_IS_24_HOUR_VIEW)) { 184 mInitialHourOfDay = savedInstanceState.getInt(KEY_HOUR_OF_DAY); 185 mInitialMinute = savedInstanceState.getInt(KEY_MINUTE); 186 mIs24HourMode = savedInstanceState.getBoolean(KEY_IS_24_HOUR_VIEW); 187 mInKbMode = savedInstanceState.getBoolean(KEY_IN_KB_MODE); 188 mThemeDark = savedInstanceState.getBoolean(KEY_DARK_THEME); 189 } 190 } 191 192 @Override 193 public View onCreateView(LayoutInflater inflater, ViewGroup container, 194 Bundle savedInstanceState) { 195 getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE); 196 197 View view = inflater.inflate(R.layout.time_picker_dialog, null); 198 KeyboardListener keyboardListener = new KeyboardListener(); 199 view.findViewById(R.id.time_picker_dialog).setOnKeyListener(keyboardListener); 200 201 Resources res = getResources(); 202 mHourPickerDescription = res.getString(R.string.hour_picker_description); 203 mSelectHours = res.getString(R.string.select_hours); 204 mMinutePickerDescription = res.getString(R.string.minute_picker_description); 205 mSelectMinutes = res.getString(R.string.select_minutes); 206 mSelectedColor = res.getColor(mThemeDark? R.color.red : R.color.blue); 207 mUnselectedColor = 208 res.getColor(mThemeDark? android.R.color.white : R.color.numbers_text_color); 209 210 mHourView = (TextView) view.findViewById(R.id.hours); 211 mHourView.setOnKeyListener(keyboardListener); 212 mHourSpaceView = (TextView) view.findViewById(R.id.hour_space); 213 mMinuteSpaceView = (TextView) view.findViewById(R.id.minutes_space); 214 mMinuteView = (TextView) view.findViewById(R.id.minutes); 215 mMinuteView.setOnKeyListener(keyboardListener); 216 mAmPmTextView = (TextView) view.findViewById(R.id.ampm_label); 217 mAmPmTextView.setOnKeyListener(keyboardListener); 218 String[] amPmTexts = new DateFormatSymbols().getAmPmStrings(); 219 mAmText = amPmTexts[0]; 220 mPmText = amPmTexts[1]; 221 222 mHapticFeedbackController = new HapticFeedbackController(getActivity()); 223 224 mTimePicker = (RadialPickerLayout) view.findViewById(R.id.time_picker); 225 mTimePicker.setOnValueSelectedListener(this); 226 mTimePicker.setOnKeyListener(keyboardListener); 227 mTimePicker.initialize(getActivity(), mHapticFeedbackController, mInitialHourOfDay, 228 mInitialMinute, mIs24HourMode); 229 230 int currentItemShowing = HOUR_INDEX; 231 if (savedInstanceState != null && 232 savedInstanceState.containsKey(KEY_CURRENT_ITEM_SHOWING)) { 233 currentItemShowing = savedInstanceState.getInt(KEY_CURRENT_ITEM_SHOWING); 234 } 235 setCurrentItemShowing(currentItemShowing, false, true, true); 236 mTimePicker.invalidate(); 237 238 mHourView.setOnClickListener(new OnClickListener() { 239 @Override 240 public void onClick(View v) { 241 setCurrentItemShowing(HOUR_INDEX, true, false, true); 242 tryVibrate(); 243 } 244 }); 245 mMinuteView.setOnClickListener(new OnClickListener() { 246 @Override 247 public void onClick(View v) { 248 setCurrentItemShowing(MINUTE_INDEX, true, false, true); 249 tryVibrate(); 250 } 251 }); 252 253 mDoneButton = (TextView) view.findViewById(R.id.done_button); 254 mDoneButton.setOnClickListener(new OnClickListener() { 255 @Override 256 public void onClick(View v) { 257 if (mInKbMode && isTypedTimeFullyLegal()) { 258 finishKbMode(false); 259 } else { 260 tryVibrate(); 261 } 262 if (mCallback != null) { 263 mCallback.onTimeSet(mTimePicker, 264 mTimePicker.getHours(), mTimePicker.getMinutes()); 265 } 266 dismiss(); 267 } 268 }); 269 mDoneButton.setOnKeyListener(keyboardListener); 270 271 // Enable or disable the AM/PM view. 272 mAmPmHitspace = view.findViewById(R.id.ampm_hitspace); 273 if (mIs24HourMode) { 274 mAmPmTextView.setVisibility(View.GONE); 275 276 RelativeLayout.LayoutParams paramsSeparator = new RelativeLayout.LayoutParams( 277 LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); 278 paramsSeparator.addRule(RelativeLayout.CENTER_IN_PARENT); 279 TextView separatorView = (TextView) view.findViewById(R.id.separator); 280 separatorView.setLayoutParams(paramsSeparator); 281 } else { 282 mAmPmTextView.setVisibility(View.VISIBLE); 283 updateAmPmDisplay(mInitialHourOfDay < 12? AM : PM); 284 mAmPmHitspace.setOnClickListener(new OnClickListener() { 285 @Override 286 public void onClick(View v) { 287 tryVibrate(); 288 int amOrPm = mTimePicker.getIsCurrentlyAmOrPm(); 289 if (amOrPm == AM) { 290 amOrPm = PM; 291 } else if (amOrPm == PM){ 292 amOrPm = AM; 293 } 294 updateAmPmDisplay(amOrPm); 295 mTimePicker.setAmOrPm(amOrPm); 296 } 297 }); 298 } 299 300 mAllowAutoAdvance = true; 301 setHour(mInitialHourOfDay, true); 302 setMinute(mInitialMinute); 303 304 // Set up for keyboard mode. 305 mDoublePlaceholderText = res.getString(R.string.time_placeholder); 306 mDeletedKeyFormat = res.getString(R.string.deleted_key); 307 mPlaceholderText = mDoublePlaceholderText.charAt(0); 308 mAmKeyCode = mPmKeyCode = -1; 309 generateLegalTimesTree(); 310 if (mInKbMode) { 311 mTypedTimes = savedInstanceState.getIntegerArrayList(KEY_TYPED_TIMES); 312 tryStartingKbMode(-1); 313 mHourView.invalidate(); 314 } else if (mTypedTimes == null) { 315 mTypedTimes = new ArrayList<Integer>(); 316 } 317 318 // Set the theme at the end so that the initialize()s above don't counteract the theme. 319 mTimePicker.setTheme(getActivity().getApplicationContext(), mThemeDark); 320 // Prepare some colors to use. 321 int white = res.getColor(android.R.color.white); 322 int circleBackground = res.getColor(R.color.circle_background); 323 int line = res.getColor(R.color.line_background); 324 int timeDisplay = res.getColor(R.color.numbers_text_color); 325 ColorStateList doneTextColor = res.getColorStateList(R.color.done_text_color); 326 int doneBackground = R.drawable.done_background_color; 327 328 int darkGray = res.getColor(R.color.dark_gray); 329 int lightGray = res.getColor(R.color.light_gray); 330 int darkLine = res.getColor(R.color.line_dark); 331 ColorStateList darkDoneTextColor = res.getColorStateList(R.color.done_text_color_dark); 332 int darkDoneBackground = R.drawable.done_background_color_dark; 333 334 // Set the colors for each view based on the theme. 335 view.findViewById(R.id.time_display_background).setBackgroundColor(mThemeDark? darkGray : white); 336 view.findViewById(R.id.time_display).setBackgroundColor(mThemeDark? darkGray : white); 337 ((TextView) view.findViewById(R.id.separator)).setTextColor(mThemeDark? white : timeDisplay); 338 ((TextView) view.findViewById(R.id.ampm_label)).setTextColor(mThemeDark? white : timeDisplay); 339 view.findViewById(R.id.line).setBackgroundColor(mThemeDark? darkLine : line); 340 mDoneButton.setTextColor(mThemeDark? darkDoneTextColor : doneTextColor); 341 mTimePicker.setBackgroundColor(mThemeDark? lightGray : circleBackground); 342 mDoneButton.setBackgroundResource(mThemeDark? darkDoneBackground : doneBackground); 343 return view; 344 } 345 346 @Override 347 public void onResume() { 348 super.onResume(); 349 mHapticFeedbackController.start(); 350 } 351 352 @Override 353 public void onPause() { 354 super.onPause(); 355 mHapticFeedbackController.stop(); 356 } 357 358 public void tryVibrate() { 359 mHapticFeedbackController.tryVibrate(); 360 } 361 362 private void updateAmPmDisplay(int amOrPm) { 363 if (amOrPm == AM) { 364 mAmPmTextView.setText(mAmText); 365 Utils.tryAccessibilityAnnounce(mTimePicker, mAmText); 366 mAmPmHitspace.setContentDescription(mAmText); 367 } else if (amOrPm == PM){ 368 mAmPmTextView.setText(mPmText); 369 Utils.tryAccessibilityAnnounce(mTimePicker, mPmText); 370 mAmPmHitspace.setContentDescription(mPmText); 371 } else { 372 mAmPmTextView.setText(mDoublePlaceholderText); 373 } 374 } 375 376 @Override 377 public void onSaveInstanceState(Bundle outState) { 378 if (mTimePicker != null) { 379 outState.putInt(KEY_HOUR_OF_DAY, mTimePicker.getHours()); 380 outState.putInt(KEY_MINUTE, mTimePicker.getMinutes()); 381 outState.putBoolean(KEY_IS_24_HOUR_VIEW, mIs24HourMode); 382 outState.putInt(KEY_CURRENT_ITEM_SHOWING, mTimePicker.getCurrentItemShowing()); 383 outState.putBoolean(KEY_IN_KB_MODE, mInKbMode); 384 if (mInKbMode) { 385 outState.putIntegerArrayList(KEY_TYPED_TIMES, mTypedTimes); 386 } 387 outState.putBoolean(KEY_DARK_THEME, mThemeDark); 388 } 389 } 390 391 /** 392 * Called by the picker for updating the header display. 393 */ 394 @Override 395 public void onValueSelected(int pickerIndex, int newValue, boolean autoAdvance) { 396 if (pickerIndex == HOUR_INDEX) { 397 setHour(newValue, false); 398 String announcement = String.format("%d", newValue); 399 if (mAllowAutoAdvance && autoAdvance) { 400 setCurrentItemShowing(MINUTE_INDEX, true, true, false); 401 announcement += ". " + mSelectMinutes; 402 } else { 403 mTimePicker.setContentDescription(mHourPickerDescription + ": " + newValue); 404 } 405 406 Utils.tryAccessibilityAnnounce(mTimePicker, announcement); 407 } else if (pickerIndex == MINUTE_INDEX){ 408 setMinute(newValue); 409 mTimePicker.setContentDescription(mMinutePickerDescription + ": " + newValue); 410 } else if (pickerIndex == AMPM_INDEX) { 411 updateAmPmDisplay(newValue); 412 } else if (pickerIndex == ENABLE_PICKER_INDEX) { 413 if (!isTypedTimeFullyLegal()) { 414 mTypedTimes.clear(); 415 } 416 finishKbMode(true); 417 } 418 } 419 420 private void setHour(int value, boolean announce) { 421 String format; 422 if (mIs24HourMode) { 423 format = "%02d"; 424 } else { 425 format = "%d"; 426 value = value % 12; 427 if (value == 0) { 428 value = 12; 429 } 430 } 431 432 CharSequence text = String.format(format, value); 433 mHourView.setText(text); 434 mHourSpaceView.setText(text); 435 if (announce) { 436 Utils.tryAccessibilityAnnounce(mTimePicker, text); 437 } 438 } 439 440 private void setMinute(int value) { 441 if (value == 60) { 442 value = 0; 443 } 444 CharSequence text = String.format(Locale.getDefault(), "%02d", value); 445 Utils.tryAccessibilityAnnounce(mTimePicker, text); 446 mMinuteView.setText(text); 447 mMinuteSpaceView.setText(text); 448 } 449 450 // Show either Hours or Minutes. 451 private void setCurrentItemShowing(int index, boolean animateCircle, boolean delayLabelAnimate, 452 boolean announce) { 453 mTimePicker.setCurrentItemShowing(index, animateCircle); 454 455 TextView labelToAnimate; 456 if (index == HOUR_INDEX) { 457 int hours = mTimePicker.getHours(); 458 if (!mIs24HourMode) { 459 hours = hours % 12; 460 } 461 mTimePicker.setContentDescription(mHourPickerDescription + ": " + hours); 462 if (announce) { 463 Utils.tryAccessibilityAnnounce(mTimePicker, mSelectHours); 464 } 465 labelToAnimate = mHourView; 466 } else { 467 int minutes = mTimePicker.getMinutes(); 468 mTimePicker.setContentDescription(mMinutePickerDescription + ": " + minutes); 469 if (announce) { 470 Utils.tryAccessibilityAnnounce(mTimePicker, mSelectMinutes); 471 } 472 labelToAnimate = mMinuteView; 473 } 474 475 int hourColor = (index == HOUR_INDEX)? mSelectedColor : mUnselectedColor; 476 int minuteColor = (index == MINUTE_INDEX)? mSelectedColor : mUnselectedColor; 477 mHourView.setTextColor(hourColor); 478 mMinuteView.setTextColor(minuteColor); 479 480 ObjectAnimator pulseAnimator = Utils.getPulseAnimator(labelToAnimate, 0.85f, 1.1f); 481 if (delayLabelAnimate) { 482 pulseAnimator.setStartDelay(PULSE_ANIMATOR_DELAY); 483 } 484 pulseAnimator.start(); 485 } 486 487 /** 488 * For keyboard mode, processes key events. 489 * @param keyCode the pressed key. 490 * @return true if the key was successfully processed, false otherwise. 491 */ 492 private boolean processKeyUp(int keyCode) { 493 if (keyCode == KeyEvent.KEYCODE_ESCAPE || keyCode == KeyEvent.KEYCODE_BACK) { 494 dismiss(); 495 return true; 496 } else if (keyCode == KeyEvent.KEYCODE_TAB) { 497 if(mInKbMode) { 498 if (isTypedTimeFullyLegal()) { 499 finishKbMode(true); 500 } 501 return true; 502 } 503 } else if (keyCode == KeyEvent.KEYCODE_ENTER) { 504 if (mInKbMode) { 505 if (!isTypedTimeFullyLegal()) { 506 return true; 507 } 508 finishKbMode(false); 509 } 510 if (mCallback != null) { 511 mCallback.onTimeSet(mTimePicker, 512 mTimePicker.getHours(), mTimePicker.getMinutes()); 513 } 514 dismiss(); 515 return true; 516 } else if (keyCode == KeyEvent.KEYCODE_DEL) { 517 if (mInKbMode) { 518 if (!mTypedTimes.isEmpty()) { 519 int deleted = deleteLastTypedKey(); 520 String deletedKeyStr; 521 if (deleted == getAmOrPmKeyCode(AM)) { 522 deletedKeyStr = mAmText; 523 } else if (deleted == getAmOrPmKeyCode(PM)) { 524 deletedKeyStr = mPmText; 525 } else { 526 deletedKeyStr = String.format("%d", getValFromKeyCode(deleted)); 527 } 528 Utils.tryAccessibilityAnnounce(mTimePicker, 529 String.format(mDeletedKeyFormat, deletedKeyStr)); 530 updateDisplay(true); 531 } 532 } 533 } else if (keyCode == KeyEvent.KEYCODE_0 || keyCode == KeyEvent.KEYCODE_1 534 || keyCode == KeyEvent.KEYCODE_2 || keyCode == KeyEvent.KEYCODE_3 535 || keyCode == KeyEvent.KEYCODE_4 || keyCode == KeyEvent.KEYCODE_5 536 || keyCode == KeyEvent.KEYCODE_6 || keyCode == KeyEvent.KEYCODE_7 537 || keyCode == KeyEvent.KEYCODE_8 || keyCode == KeyEvent.KEYCODE_9 538 || (!mIs24HourMode && 539 (keyCode == getAmOrPmKeyCode(AM) || keyCode == getAmOrPmKeyCode(PM)))) { 540 if (!mInKbMode) { 541 if (mTimePicker == null) { 542 // Something's wrong, because time picker should definitely not be null. 543 Log.e(TAG, "Unable to initiate keyboard mode, TimePicker was null."); 544 return true; 545 } 546 mTypedTimes.clear(); 547 tryStartingKbMode(keyCode); 548 return true; 549 } 550 // We're already in keyboard mode. 551 if (addKeyIfLegal(keyCode)) { 552 updateDisplay(false); 553 } 554 return true; 555 } 556 return false; 557 } 558 559 /** 560 * Try to start keyboard mode with the specified key, as long as the timepicker is not in the 561 * middle of a touch-event. 562 * @param keyCode The key to use as the first press. Keyboard mode will not be started if the 563 * key is not legal to start with. Or, pass in -1 to get into keyboard mode without a starting 564 * key. 565 */ 566 private void tryStartingKbMode(int keyCode) { 567 if (mTimePicker.trySettingInputEnabled(false) && 568 (keyCode == -1 || addKeyIfLegal(keyCode))) { 569 mInKbMode = true; 570 mDoneButton.setEnabled(false); 571 updateDisplay(false); 572 } 573 } 574 575 private boolean addKeyIfLegal(int keyCode) { 576 // If we're in 24hour mode, we'll need to check if the input is full. If in AM/PM mode, 577 // we'll need to see if AM/PM have been typed. 578 if ((mIs24HourMode && mTypedTimes.size() == 4) || 579 (!mIs24HourMode && isTypedTimeFullyLegal())) { 580 return false; 581 } 582 583 mTypedTimes.add(keyCode); 584 if (!isTypedTimeLegalSoFar()) { 585 deleteLastTypedKey(); 586 return false; 587 } 588 589 int val = getValFromKeyCode(keyCode); 590 Utils.tryAccessibilityAnnounce(mTimePicker, String.format("%d", val)); 591 // Automatically fill in 0's if AM or PM was legally entered. 592 if (isTypedTimeFullyLegal()) { 593 if (!mIs24HourMode && mTypedTimes.size() <= 3) { 594 mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0); 595 mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0); 596 } 597 mDoneButton.setEnabled(true); 598 } 599 600 return true; 601 } 602 603 /** 604 * Traverse the tree to see if the keys that have been typed so far are legal as is, 605 * or may become legal as more keys are typed (excluding backspace). 606 */ 607 private boolean isTypedTimeLegalSoFar() { 608 Node node = mLegalTimesTree; 609 for (int keyCode : mTypedTimes) { 610 node = node.canReach(keyCode); 611 if (node == null) { 612 return false; 613 } 614 } 615 return true; 616 } 617 618 /** 619 * Check if the time that has been typed so far is completely legal, as is. 620 */ 621 private boolean isTypedTimeFullyLegal() { 622 if (mIs24HourMode) { 623 // For 24-hour mode, the time is legal if the hours and minutes are each legal. Note: 624 // getEnteredTime() will ONLY call isTypedTimeFullyLegal() when NOT in 24hour mode. 625 int[] values = getEnteredTime(null); 626 return (values[0] >= 0 && values[1] >= 0 && values[1] < 60); 627 } else { 628 // For AM/PM mode, the time is legal if it contains an AM or PM, as those can only be 629 // legally added at specific times based on the tree's algorithm. 630 return (mTypedTimes.contains(getAmOrPmKeyCode(AM)) || 631 mTypedTimes.contains(getAmOrPmKeyCode(PM))); 632 } 633 } 634 635 private int deleteLastTypedKey() { 636 int deleted = mTypedTimes.remove(mTypedTimes.size() - 1); 637 if (!isTypedTimeFullyLegal()) { 638 mDoneButton.setEnabled(false); 639 } 640 return deleted; 641 } 642 643 /** 644 * Get out of keyboard mode. If there is nothing in typedTimes, revert to TimePicker's time. 645 * @param changeDisplays If true, update the displays with the relevant time. 646 */ 647 private void finishKbMode(boolean updateDisplays) { 648 mInKbMode = false; 649 if (!mTypedTimes.isEmpty()) { 650 int values[] = getEnteredTime(null); 651 mTimePicker.setTime(values[0], values[1]); 652 if (!mIs24HourMode) { 653 mTimePicker.setAmOrPm(values[2]); 654 } 655 mTypedTimes.clear(); 656 } 657 if (updateDisplays) { 658 updateDisplay(false); 659 mTimePicker.trySettingInputEnabled(true); 660 } 661 } 662 663 /** 664 * Update the hours, minutes, and AM/PM displays with the typed times. If the typedTimes is 665 * empty, either show an empty display (filled with the placeholder text), or update from the 666 * timepicker's values. 667 * @param allowEmptyDisplay if true, then if the typedTimes is empty, use the placeholder text. 668 * Otherwise, revert to the timepicker's values. 669 */ 670 private void updateDisplay(boolean allowEmptyDisplay) { 671 if (!allowEmptyDisplay && mTypedTimes.isEmpty()) { 672 int hour = mTimePicker.getHours(); 673 int minute = mTimePicker.getMinutes(); 674 setHour(hour, true); 675 setMinute(minute); 676 if (!mIs24HourMode) { 677 updateAmPmDisplay(hour < 12? AM : PM); 678 } 679 setCurrentItemShowing(mTimePicker.getCurrentItemShowing(), true, true, true); 680 mDoneButton.setEnabled(true); 681 } else { 682 Boolean[] enteredZeros = {false, false}; 683 int[] values = getEnteredTime(enteredZeros); 684 String hourFormat = enteredZeros[0]? "%02d" : "%2d"; 685 String minuteFormat = (enteredZeros[1])? "%02d" : "%2d"; 686 String hourStr = (values[0] == -1)? mDoublePlaceholderText : 687 String.format(hourFormat, values[0]).replace(' ', mPlaceholderText); 688 String minuteStr = (values[1] == -1)? mDoublePlaceholderText : 689 String.format(minuteFormat, values[1]).replace(' ', mPlaceholderText); 690 mHourView.setText(hourStr); 691 mHourSpaceView.setText(hourStr); 692 mHourView.setTextColor(mUnselectedColor); 693 mMinuteView.setText(minuteStr); 694 mMinuteSpaceView.setText(minuteStr); 695 mMinuteView.setTextColor(mUnselectedColor); 696 if (!mIs24HourMode) { 697 updateAmPmDisplay(values[2]); 698 } 699 } 700 } 701 702 private static int getValFromKeyCode(int keyCode) { 703 switch (keyCode) { 704 case KeyEvent.KEYCODE_0: 705 return 0; 706 case KeyEvent.KEYCODE_1: 707 return 1; 708 case KeyEvent.KEYCODE_2: 709 return 2; 710 case KeyEvent.KEYCODE_3: 711 return 3; 712 case KeyEvent.KEYCODE_4: 713 return 4; 714 case KeyEvent.KEYCODE_5: 715 return 5; 716 case KeyEvent.KEYCODE_6: 717 return 6; 718 case KeyEvent.KEYCODE_7: 719 return 7; 720 case KeyEvent.KEYCODE_8: 721 return 8; 722 case KeyEvent.KEYCODE_9: 723 return 9; 724 default: 725 return -1; 726 } 727 } 728 729 /** 730 * Get the currently-entered time, as integer values of the hours and minutes typed. 731 * @param enteredZeros A size-2 boolean array, which the caller should initialize, and which 732 * may then be used for the caller to know whether zeros had been explicitly entered as either 733 * hours of minutes. This is helpful for deciding whether to show the dashes, or actual 0's. 734 * @return A size-3 int array. The first value will be the hours, the second value will be the 735 * minutes, and the third will be either TimePickerDialog.AM or TimePickerDialog.PM. 736 */ 737 private int[] getEnteredTime(Boolean[] enteredZeros) { 738 int amOrPm = -1; 739 int startIndex = 1; 740 if (!mIs24HourMode && isTypedTimeFullyLegal()) { 741 int keyCode = mTypedTimes.get(mTypedTimes.size() - 1); 742 if (keyCode == getAmOrPmKeyCode(AM)) { 743 amOrPm = AM; 744 } else if (keyCode == getAmOrPmKeyCode(PM)){ 745 amOrPm = PM; 746 } 747 startIndex = 2; 748 } 749 int minute = -1; 750 int hour = -1; 751 for (int i = startIndex; i <= mTypedTimes.size(); i++) { 752 int val = getValFromKeyCode(mTypedTimes.get(mTypedTimes.size() - i)); 753 if (i == startIndex) { 754 minute = val; 755 } else if (i == startIndex+1) { 756 minute += 10*val; 757 if (enteredZeros != null && val == 0) { 758 enteredZeros[1] = true; 759 } 760 } else if (i == startIndex+2) { 761 hour = val; 762 } else if (i == startIndex+3) { 763 hour += 10*val; 764 if (enteredZeros != null && val == 0) { 765 enteredZeros[0] = true; 766 } 767 } 768 } 769 770 int[] ret = {hour, minute, amOrPm}; 771 return ret; 772 } 773 774 /** 775 * Get the keycode value for AM and PM in the current language. 776 */ 777 private int getAmOrPmKeyCode(int amOrPm) { 778 // Cache the codes. 779 if (mAmKeyCode == -1 || mPmKeyCode == -1) { 780 // Find the first character in the AM/PM text that is unique. 781 KeyCharacterMap kcm = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD); 782 char amChar; 783 char pmChar; 784 for (int i = 0; i < Math.max(mAmText.length(), mPmText.length()); i++) { 785 amChar = mAmText.toLowerCase(Locale.getDefault()).charAt(i); 786 pmChar = mPmText.toLowerCase(Locale.getDefault()).charAt(i); 787 if (amChar != pmChar) { 788 KeyEvent[] events = kcm.getEvents(new char[]{amChar, pmChar}); 789 // There should be 4 events: a down and up for both AM and PM. 790 if (events != null && events.length == 4) { 791 mAmKeyCode = events[0].getKeyCode(); 792 mPmKeyCode = events[2].getKeyCode(); 793 } else { 794 Log.e(TAG, "Unable to find keycodes for AM and PM."); 795 } 796 break; 797 } 798 } 799 } 800 if (amOrPm == AM) { 801 return mAmKeyCode; 802 } else if (amOrPm == PM) { 803 return mPmKeyCode; 804 } 805 806 return -1; 807 } 808 809 /** 810 * Create a tree for deciding what keys can legally be typed. 811 */ 812 private void generateLegalTimesTree() { 813 // Create a quick cache of numbers to their keycodes. 814 int k0 = KeyEvent.KEYCODE_0; 815 int k1 = KeyEvent.KEYCODE_1; 816 int k2 = KeyEvent.KEYCODE_2; 817 int k3 = KeyEvent.KEYCODE_3; 818 int k4 = KeyEvent.KEYCODE_4; 819 int k5 = KeyEvent.KEYCODE_5; 820 int k6 = KeyEvent.KEYCODE_6; 821 int k7 = KeyEvent.KEYCODE_7; 822 int k8 = KeyEvent.KEYCODE_8; 823 int k9 = KeyEvent.KEYCODE_9; 824 825 // The root of the tree doesn't contain any numbers. 826 mLegalTimesTree = new Node(); 827 if (mIs24HourMode) { 828 // We'll be re-using these nodes, so we'll save them. 829 Node minuteFirstDigit = new Node(k0, k1, k2, k3, k4, k5); 830 Node minuteSecondDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); 831 // The first digit must be followed by the second digit. 832 minuteFirstDigit.addChild(minuteSecondDigit); 833 834 // The first digit may be 0-1. 835 Node firstDigit = new Node(k0, k1); 836 mLegalTimesTree.addChild(firstDigit); 837 838 // When the first digit is 0-1, the second digit may be 0-5. 839 Node secondDigit = new Node(k0, k1, k2, k3, k4, k5); 840 firstDigit.addChild(secondDigit); 841 // We may now be followed by the first minute digit. E.g. 00:09, 15:58. 842 secondDigit.addChild(minuteFirstDigit); 843 844 // When the first digit is 0-1, and the second digit is 0-5, the third digit may be 6-9. 845 Node thirdDigit = new Node(k6, k7, k8, k9); 846 // The time must now be finished. E.g. 0:55, 1:08. 847 secondDigit.addChild(thirdDigit); 848 849 // When the first digit is 0-1, the second digit may be 6-9. 850 secondDigit = new Node(k6, k7, k8, k9); 851 firstDigit.addChild(secondDigit); 852 // We must now be followed by the first minute digit. E.g. 06:50, 18:20. 853 secondDigit.addChild(minuteFirstDigit); 854 855 // The first digit may be 2. 856 firstDigit = new Node(k2); 857 mLegalTimesTree.addChild(firstDigit); 858 859 // When the first digit is 2, the second digit may be 0-3. 860 secondDigit = new Node(k0, k1, k2, k3); 861 firstDigit.addChild(secondDigit); 862 // We must now be followed by the first minute digit. E.g. 20:50, 23:09. 863 secondDigit.addChild(minuteFirstDigit); 864 865 // When the first digit is 2, the second digit may be 4-5. 866 secondDigit = new Node(k4, k5); 867 firstDigit.addChild(secondDigit); 868 // We must now be followd by the last minute digit. E.g. 2:40, 2:53. 869 secondDigit.addChild(minuteSecondDigit); 870 871 // The first digit may be 3-9. 872 firstDigit = new Node(k3, k4, k5, k6, k7, k8, k9); 873 mLegalTimesTree.addChild(firstDigit); 874 // We must now be followed by the first minute digit. E.g. 3:57, 8:12. 875 firstDigit.addChild(minuteFirstDigit); 876 } else { 877 // We'll need to use the AM/PM node a lot. 878 // Set up AM and PM to respond to "a" and "p". 879 Node ampm = new Node(getAmOrPmKeyCode(AM), getAmOrPmKeyCode(PM)); 880 881 // The first hour digit may be 1. 882 Node firstDigit = new Node(k1); 883 mLegalTimesTree.addChild(firstDigit); 884 // We'll allow quick input of on-the-hour times. E.g. 1pm. 885 firstDigit.addChild(ampm); 886 887 // When the first digit is 1, the second digit may be 0-2. 888 Node secondDigit = new Node(k0, k1, k2); 889 firstDigit.addChild(secondDigit); 890 // Also for quick input of on-the-hour times. E.g. 10pm, 12am. 891 secondDigit.addChild(ampm); 892 893 // When the first digit is 1, and the second digit is 0-2, the third digit may be 0-5. 894 Node thirdDigit = new Node(k0, k1, k2, k3, k4, k5); 895 secondDigit.addChild(thirdDigit); 896 // The time may be finished now. E.g. 1:02pm, 1:25am. 897 thirdDigit.addChild(ampm); 898 899 // When the first digit is 1, the second digit is 0-2, and the third digit is 0-5, 900 // the fourth digit may be 0-9. 901 Node fourthDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); 902 thirdDigit.addChild(fourthDigit); 903 // The time must be finished now. E.g. 10:49am, 12:40pm. 904 fourthDigit.addChild(ampm); 905 906 // When the first digit is 1, and the second digit is 0-2, the third digit may be 6-9. 907 thirdDigit = new Node(k6, k7, k8, k9); 908 secondDigit.addChild(thirdDigit); 909 // The time must be finished now. E.g. 1:08am, 1:26pm. 910 thirdDigit.addChild(ampm); 911 912 // When the first digit is 1, the second digit may be 3-5. 913 secondDigit = new Node(k3, k4, k5); 914 firstDigit.addChild(secondDigit); 915 916 // When the first digit is 1, and the second digit is 3-5, the third digit may be 0-9. 917 thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); 918 secondDigit.addChild(thirdDigit); 919 // The time must be finished now. E.g. 1:39am, 1:50pm. 920 thirdDigit.addChild(ampm); 921 922 // The hour digit may be 2-9. 923 firstDigit = new Node(k2, k3, k4, k5, k6, k7, k8, k9); 924 mLegalTimesTree.addChild(firstDigit); 925 // We'll allow quick input of on-the-hour-times. E.g. 2am, 5pm. 926 firstDigit.addChild(ampm); 927 928 // When the first digit is 2-9, the second digit may be 0-5. 929 secondDigit = new Node(k0, k1, k2, k3, k4, k5); 930 firstDigit.addChild(secondDigit); 931 932 // When the first digit is 2-9, and the second digit is 0-5, the third digit may be 0-9. 933 thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9); 934 secondDigit.addChild(thirdDigit); 935 // The time must be finished now. E.g. 2:57am, 9:30pm. 936 thirdDigit.addChild(ampm); 937 } 938 } 939 940 /** 941 * Simple node class to be used for traversal to check for legal times. 942 * mLegalKeys represents the keys that can be typed to get to the node. 943 * mChildren are the children that can be reached from this node. 944 */ 945 private class Node { 946 private int[] mLegalKeys; 947 private ArrayList<Node> mChildren; 948 949 public Node(int... legalKeys) { 950 mLegalKeys = legalKeys; 951 mChildren = new ArrayList<Node>(); 952 } 953 954 public void addChild(Node child) { 955 mChildren.add(child); 956 } 957 958 public boolean containsKey(int key) { 959 for (int i = 0; i < mLegalKeys.length; i++) { 960 if (mLegalKeys[i] == key) { 961 return true; 962 } 963 } 964 return false; 965 } 966 967 public Node canReach(int key) { 968 if (mChildren == null) { 969 return null; 970 } 971 for (Node child : mChildren) { 972 if (child.containsKey(key)) { 973 return child; 974 } 975 } 976 return null; 977 } 978 } 979 980 private class KeyboardListener implements OnKeyListener { 981 @Override 982 public boolean onKey(View v, int keyCode, KeyEvent event) { 983 if (event.getAction() == KeyEvent.ACTION_UP) { 984 return processKeyUp(keyCode); 985 } 986 return false; 987 } 988 } 989 } 990
