| /* |
| * 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.android.datetimepicker.time; |
| |
| import android.animation.ObjectAnimator; |
| import android.app.ActionBar.LayoutParams; |
| import android.app.DialogFragment; |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| import android.content.res.Resources; |
| import android.os.Bundle; |
| 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.RelativeLayout; |
| import android.widget.TextView; |
| |
| import com.android.datetimepicker.HapticFeedbackController; |
| import com.android.datetimepicker.R; |
| import com.android.datetimepicker.Utils; |
| import com.android.datetimepicker.time.RadialPickerLayout.OnValueSelectedListener; |
| |
| import java.text.DateFormatSymbols; |
| import java.util.ArrayList; |
| import java.util.Locale; |
| |
| /** |
| * Dialog to set a time. |
| */ |
| public class TimePickerDialog extends DialogFragment implements OnValueSelectedListener{ |
| private static final String TAG = "TimePickerDialog"; |
| |
| private static final String KEY_HOUR_OF_DAY = "hour_of_day"; |
| private static final String KEY_MINUTE = "minute"; |
| private static final String KEY_IS_24_HOUR_VIEW = "is_24_hour_view"; |
| 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_DARK_THEME = "dark_theme"; |
| |
| public static final int HOUR_INDEX = 0; |
| public static final int MINUTE_INDEX = 1; |
| // NOT a real index for the purpose of what's showing. |
| public static final int AMPM_INDEX = 2; |
| // Also NOT a real index, just used for keyboard mode. |
| public static final int ENABLE_PICKER_INDEX = 3; |
| 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 HapticFeedbackController mHapticFeedbackController; |
| |
| private TextView mDoneButton; |
| private TextView mHourView; |
| private TextView mHourSpaceView; |
| private TextView mMinuteView; |
| private TextView mMinuteSpaceView; |
| 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 int mInitialHourOfDay; |
| private int mInitialMinute; |
| private boolean mIs24HourMode; |
| private boolean mThemeDark; |
| |
| // 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; |
| |
| /** |
| * 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. |
| */ |
| void onTimeSet(RadialPickerLayout view, int hourOfDay, int minute); |
| } |
| |
| public TimePickerDialog() { |
| // Empty constructor required for dialog fragment. |
| } |
| |
| public TimePickerDialog(Context context, int theme, OnTimeSetListener callback, |
| int hourOfDay, int minute, boolean is24HourMode) { |
| // Empty constructor required for dialog fragment. |
| } |
| |
| public static TimePickerDialog newInstance(OnTimeSetListener callback, |
| int hourOfDay, int minute, boolean is24HourMode) { |
| TimePickerDialog ret = new TimePickerDialog(); |
| ret.initialize(callback, hourOfDay, minute, is24HourMode); |
| return ret; |
| } |
| |
| public void initialize(OnTimeSetListener callback, |
| int hourOfDay, int minute, boolean is24HourMode) { |
| mCallback = callback; |
| |
| mInitialHourOfDay = hourOfDay; |
| mInitialMinute = minute; |
| mIs24HourMode = is24HourMode; |
| mInKbMode = false; |
| mThemeDark = false; |
| } |
| |
| /** |
| * Set a dark or light theme. NOTE: this will only take effect for the next onCreateView. |
| */ |
| public void setThemeDark(boolean dark) { |
| mThemeDark = dark; |
| } |
| |
| public boolean isThemeDark() { |
| return mThemeDark; |
| } |
| |
| public void setOnTimeSetListener(OnTimeSetListener callback) { |
| mCallback = callback; |
| } |
| |
| public void setStartTime(int hourOfDay, int minute) { |
| mInitialHourOfDay = hourOfDay; |
| mInitialMinute = minute; |
| mInKbMode = false; |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| if (savedInstanceState != null && savedInstanceState.containsKey(KEY_HOUR_OF_DAY) |
| && savedInstanceState.containsKey(KEY_MINUTE) |
| && savedInstanceState.containsKey(KEY_IS_24_HOUR_VIEW)) { |
| mInitialHourOfDay = savedInstanceState.getInt(KEY_HOUR_OF_DAY); |
| mInitialMinute = savedInstanceState.getInt(KEY_MINUTE); |
| mIs24HourMode = savedInstanceState.getBoolean(KEY_IS_24_HOUR_VIEW); |
| mInKbMode = savedInstanceState.getBoolean(KEY_IN_KB_MODE); |
| mThemeDark = savedInstanceState.getBoolean(KEY_DARK_THEME); |
| } |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE); |
| |
| View view = inflater.inflate(R.layout.time_picker_dialog, null); |
| KeyboardListener keyboardListener = new KeyboardListener(); |
| view.findViewById(R.id.time_picker_dialog).setOnKeyListener(keyboardListener); |
| |
| Resources res = 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); |
| mSelectedColor = res.getColor(mThemeDark? R.color.red : R.color.blue); |
| mUnselectedColor = |
| res.getColor(mThemeDark? android.R.color.white : R.color.numbers_text_color); |
| |
| 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); |
| 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()); |
| |
| mTimePicker = (RadialPickerLayout) view.findViewById(R.id.time_picker); |
| mTimePicker.setOnValueSelectedListener(this); |
| mTimePicker.setOnKeyListener(keyboardListener); |
| mTimePicker.initialize(getActivity(), mHapticFeedbackController, mInitialHourOfDay, |
| mInitialMinute, 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(); |
| } |
| }); |
| |
| mDoneButton = (TextView) view.findViewById(R.id.done_button); |
| mDoneButton.setOnClickListener(new OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| if (mInKbMode && isTypedTimeFullyLegal()) { |
| finishKbMode(false); |
| } else { |
| tryVibrate(); |
| } |
| if (mCallback != null) { |
| mCallback.onTimeSet(mTimePicker, |
| mTimePicker.getHours(), mTimePicker.getMinutes()); |
| } |
| dismiss(); |
| } |
| }); |
| mDoneButton.setOnKeyListener(keyboardListener); |
| |
| // Enable or disable the AM/PM view. |
| mAmPmHitspace = view.findViewById(R.id.ampm_hitspace); |
| if (mIs24HourMode) { |
| mAmPmTextView.setVisibility(View.GONE); |
| |
| 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 { |
| mAmPmTextView.setVisibility(View.VISIBLE); |
| updateAmPmDisplay(mInitialHourOfDay < 12? AM : PM); |
| mAmPmHitspace.setOnClickListener(new OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| tryVibrate(); |
| int amOrPm = mTimePicker.getIsCurrentlyAmOrPm(); |
| if (amOrPm == AM) { |
| amOrPm = PM; |
| } else if (amOrPm == PM){ |
| amOrPm = AM; |
| } |
| updateAmPmDisplay(amOrPm); |
| mTimePicker.setAmOrPm(amOrPm); |
| } |
| }); |
| } |
| |
| mAllowAutoAdvance = true; |
| setHour(mInitialHourOfDay, true); |
| setMinute(mInitialMinute); |
| |
| // 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(); |
| if (mInKbMode) { |
| mTypedTimes = savedInstanceState.getIntegerArrayList(KEY_TYPED_TIMES); |
| tryStartingKbMode(-1); |
| mHourView.invalidate(); |
| } else if (mTypedTimes == null) { |
| mTypedTimes = new ArrayList<Integer>(); |
| } |
| |
| // Set the theme at the end so that the initialize()s above don't counteract the theme. |
| mTimePicker.setTheme(getActivity().getApplicationContext(), mThemeDark); |
| // Prepare some colors to use. |
| int white = res.getColor(android.R.color.white); |
| int circleBackground = res.getColor(R.color.circle_background); |
| int line = res.getColor(R.color.line_background); |
| int timeDisplay = res.getColor(R.color.numbers_text_color); |
| ColorStateList doneTextColor = res.getColorStateList(R.color.done_text_color); |
| int doneBackground = R.drawable.done_background_color; |
| |
| int darkGray = res.getColor(R.color.dark_gray); |
| int lightGray = res.getColor(R.color.light_gray); |
| int darkLine = res.getColor(R.color.line_dark); |
| ColorStateList darkDoneTextColor = res.getColorStateList(R.color.done_text_color_dark); |
| int darkDoneBackground = R.drawable.done_background_color_dark; |
| |
| // Set the colors for each view based on the theme. |
| view.findViewById(R.id.time_display_background).setBackgroundColor(mThemeDark? darkGray : white); |
| view.findViewById(R.id.time_display).setBackgroundColor(mThemeDark? darkGray : white); |
| ((TextView) view.findViewById(R.id.separator)).setTextColor(mThemeDark? white : timeDisplay); |
| ((TextView) view.findViewById(R.id.ampm_label)).setTextColor(mThemeDark? white : timeDisplay); |
| view.findViewById(R.id.line).setBackgroundColor(mThemeDark? darkLine : line); |
| mDoneButton.setTextColor(mThemeDark? darkDoneTextColor : doneTextColor); |
| mTimePicker.setBackgroundColor(mThemeDark? lightGray : circleBackground); |
| mDoneButton.setBackgroundResource(mThemeDark? darkDoneBackground : doneBackground); |
| return view; |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| mHapticFeedbackController.start(); |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| mHapticFeedbackController.stop(); |
| } |
| |
| public void tryVibrate() { |
| 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(Bundle outState) { |
| if (mTimePicker != null) { |
| outState.putInt(KEY_HOUR_OF_DAY, mTimePicker.getHours()); |
| outState.putInt(KEY_MINUTE, mTimePicker.getMinutes()); |
| 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.putBoolean(KEY_DARK_THEME, mThemeDark); |
| } |
| } |
| |
| /** |
| * Called by the picker for updating the header display. |
| */ |
| @Override |
| public void onValueSelected(int pickerIndex, int newValue, boolean autoAdvance) { |
| if (pickerIndex == HOUR_INDEX) { |
| setHour(newValue, false); |
| String announcement = String.format("%d", newValue); |
| if (mAllowAutoAdvance && autoAdvance) { |
| setCurrentItemShowing(MINUTE_INDEX, true, true, false); |
| announcement += ". " + mSelectMinutes; |
| } else { |
| mTimePicker.setContentDescription(mHourPickerDescription + ": " + newValue); |
| } |
| |
| Utils.tryAccessibilityAnnounce(mTimePicker, announcement); |
| } else if (pickerIndex == MINUTE_INDEX){ |
| setMinute(newValue); |
| mTimePicker.setContentDescription(mMinutePickerDescription + ": " + newValue); |
| } else if (pickerIndex == AMPM_INDEX) { |
| updateAmPmDisplay(newValue); |
| } else if (pickerIndex == ENABLE_PICKER_INDEX) { |
| if (!isTypedTimeFullyLegal()) { |
| mTypedTimes.clear(); |
| } |
| finishKbMode(true); |
| } |
| } |
| |
| 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); |
| } |
| |
| // Show either Hours or Minutes. |
| private void setCurrentItemShowing(int index, boolean animateCircle, boolean delayLabelAnimate, |
| boolean announce) { |
| mTimePicker.setCurrentItemShowing(index, animateCircle); |
| |
| TextView labelToAnimate; |
| if (index == HOUR_INDEX) { |
| int hours = mTimePicker.getHours(); |
| if (!mIs24HourMode) { |
| hours = hours % 12; |
| } |
| mTimePicker.setContentDescription(mHourPickerDescription + ": " + hours); |
| if (announce) { |
| Utils.tryAccessibilityAnnounce(mTimePicker, mSelectHours); |
| } |
| labelToAnimate = mHourView; |
| } else { |
| int minutes = mTimePicker.getMinutes(); |
| mTimePicker.setContentDescription(mMinutePickerDescription + ": " + minutes); |
| if (announce) { |
| Utils.tryAccessibilityAnnounce(mTimePicker, mSelectMinutes); |
| } |
| labelToAnimate = mMinuteView; |
| } |
| |
| int hourColor = (index == HOUR_INDEX)? mSelectedColor : mUnselectedColor; |
| int minuteColor = (index == MINUTE_INDEX)? mSelectedColor : mUnselectedColor; |
| mHourView.setTextColor(hourColor); |
| mMinuteView.setTextColor(minuteColor); |
| |
| 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) { |
| 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()); |
| } |
| 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; |
| mDoneButton.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. |
| if ((mIs24HourMode && mTypedTimes.size() == 4) || |
| (!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() <= 3) { |
| mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0); |
| mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0); |
| } |
| mDoneButton.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); |
| } 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()) { |
| mDoneButton.setEnabled(false); |
| } |
| return deleted; |
| } |
| |
| /** |
| * Get out of keyboard mode. If there is nothing in typedTimes, revert to TimePicker's time. |
| * @param changeDisplays 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(values[0], values[1]); |
| if (!mIs24HourMode) { |
| mTimePicker.setAmOrPm(values[2]); |
| } |
| mTypedTimes.clear(); |
| } |
| if (updateDisplays) { |
| updateDisplay(false); |
| mTimePicker.trySettingInputEnabled(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 = mTimePicker.getHours(); |
| int minute = mTimePicker.getMinutes(); |
| setHour(hour, true); |
| setMinute(minute); |
| if (!mIs24HourMode) { |
| updateAmPmDisplay(hour < 12? AM : PM); |
| } |
| setCurrentItemShowing(mTimePicker.getCurrentItemShowing(), true, true, true); |
| mDoneButton.setEnabled(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); |
| mHourSpaceView.setText(hourStr); |
| mHourView.setTextColor(mUnselectedColor); |
| mMinuteView.setText(minuteStr); |
| mMinuteSpaceView.setText(minuteStr); |
| mMinuteView.setTextColor(mUnselectedColor); |
| if (!mIs24HourMode) { |
| updateAmPmDisplay(values[2]); |
| } |
| } |
| } |
| |
| 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 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 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; |
| 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; |
| } |
| } |
| } |
| |
| int[] ret = {hour, minute, amOrPm}; |
| return ret; |
| } |
| |
| /** |
| * 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(); |
| 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); |
| |
| // 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 OnKeyListener { |
| @Override |
| public boolean onKey(View v, int keyCode, KeyEvent event) { |
| if (event.getAction() == KeyEvent.ACTION_UP) { |
| return processKeyUp(keyCode); |
| } |
| return false; |
| } |
| } |
| } |
