/*
* 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.borax12.materialdaterangepicker.time;
import android.animation.ObjectAnimator;
import android.app.ActionBar.LayoutParams;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.content.res.Resources;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.text.TextUtils;
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.TabHost;
import android.widget.TextView;
import com.borax12.materialdaterangepicker.HapticFeedbackController;
import com.borax12.materialdaterangepicker.R;
import com.borax12.materialdaterangepicker.TypefaceHelper;
import com.borax12.materialdaterangepicker.Utils;
import com.borax12.materialdaterangepicker.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_HOUR_OF_DAY_END = "hour_of_day_end";
private static final String KEY_MINUTE_END = "minute_end";
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_CURRENT_ITEM_SHOWING_END="current_item_showing_end";
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";
private static final String KEY_ACCENT = "accent";
private static final String KEY_VIBRATE = "vibrate";
private static final String KEY_DISMISS = "dismiss";
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 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 mAmPmTextView;
private View mAmPmHitspace;
private RadialPickerLayout mTimePicker;
private int mSelectedColor;
private int mUnselectedColor;
private String mAmText;
private String mPmText;
private String mIndicatorFrom;
private String mIndicatorTo;
private boolean mAllowAutoAdvance;
private int mInitialHourOfDay;
private int mInitialMinute;
private int mInitialHourOfDayEnd;
private int mInitialMinuteEnd;
private boolean mIs24HourMode;
private String mTitle;
private boolean mThemeDark;
private boolean mVibrate;
private int mAccentColor = -1;
private boolean mDismissOnPause;
// 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 TabHost tabHost;
private TextView mHourViewEnd;
private TextView mHourSpaceViewEnd;
private TextView mMinuteSpaceViewEnd;
private TextView mMinuteViewEnd;
private TextView mAmPmTextViewEnd;
private RadialPickerLayout mTimePickerEnd;
private View mAmPmHitspaceEnd;
/**
* 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, int hourOfDayEnd, int minuteEnd);
}
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 static TimePickerDialog newInstance(OnTimeSetListener callback,
int hourOfDay, int minute, boolean is24HourMode,
int hourOfDayEnd, int minuteEnd) {
TimePickerDialog ret = new TimePickerDialog();
ret.initialize(callback, hourOfDay, minute,hourOfDayEnd,minuteEnd,is24HourMode);
return ret;
}
public void initialize(OnTimeSetListener callback,
int hourOfDay, int minute, boolean is24HourMode) {
initialize(callback, hourOfDay, minute, hourOfDay, minute, is24HourMode);
}
public void initialize(OnTimeSetListener callback,
int hourOfDay, int minute, int hourOfDayEnd, int minuteEnd, boolean is24HourMode) {
mCallback = callback;
mInitialHourOfDay = hourOfDay;
mInitialMinute = minute;
mInitialHourOfDayEnd = hourOfDayEnd;
mInitialMinuteEnd = minuteEnd;
mIs24HourMode = is24HourMode;
mInKbMode = false;
mTitle = "";
mThemeDark = false;
mAccentColor = -1;
mVibrate = true;
mDismissOnPause = false;
}
/**
* 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 tab indicators. NOTE: this will only take effect with the next onCreateView
*/
public void setTabIndicators(String from, String to) {
mIndicatorFrom = from;
mIndicatorTo = to;
}
/**
* Set a dark or light theme. NOTE: this will only take effect for the next onCreateView.
*/
public void setThemeDark(boolean dark) {
mThemeDark = dark;
}
public void setAccentColor(int color) {
mAccentColor = color;
}
public boolean isThemeDark() {
return mThemeDark;
}
/**
* 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;
}
public void setOnTimeSetListener(OnTimeSetListener callback) {
mCallback = callback;
}
public void setOnCancelListener(DialogInterface.OnCancelListener onCancelListener) {
mOnCancelListener = onCancelListener;
}
public void setOnDismissListener(DialogInterface.OnDismissListener onDismissListener) {
mOnDismissListener = onDismissListener;
}
public void setStartTime(int hourOfDay, int minute) {
mInitialHourOfDay = hourOfDay;
mInitialMinute = minute;
mInKbMode = false;
}
public void setEndTime(int hourOfDayEnd, int minuteEnd) {
mInitialHourOfDayEnd = hourOfDayEnd;
mInitialMinuteEnd = minuteEnd;
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);
mInitialHourOfDayEnd = savedInstanceState.getInt(KEY_HOUR_OF_DAY_END);
mInitialMinuteEnd = savedInstanceState.getInt(KEY_MINUTE_END);
mIs24HourMode = savedInstanceState.getBoolean(KEY_IS_24_HOUR_VIEW);
mInKbMode = savedInstanceState.getBoolean(KEY_IN_KB_MODE);
mTitle = savedInstanceState.getString(KEY_TITLE);
mThemeDark = savedInstanceState.getBoolean(KEY_DARK_THEME);
mAccentColor = savedInstanceState.getInt(KEY_ACCENT);
mVibrate = savedInstanceState.getBoolean(KEY_VIBRATE);
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE);
View view = inflater.inflate(R.layout.range_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.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);
mSelectedColor = res.getColor(R.color.mdtp_white);
mUnselectedColor = res.getColor(R.color.mdtp_accent_color_focused);
tabHost = (TabHost) view.findViewById(R.id.tabHost);
tabHost.findViewById(R.id.tabHost);
tabHost.setup();
TabHost.TabSpec startDatePage = tabHost.newTabSpec("start");
startDatePage.setContent(R.id.start_date_group);
startDatePage.setIndicator(
TextUtils.isEmpty(mIndicatorFrom) ?
getActivity().getResources().getString(R.string.mdtp_from) : mIndicatorFrom);
TabHost.TabSpec endDatePage = tabHost.newTabSpec("end");
endDatePage.setContent(R.id.end_date_group);
endDatePage.setIndicator(
TextUtils.isEmpty(mIndicatorTo) ?
getActivity().getResources().getString(R.string.mdtp_to) : mIndicatorTo);
tabHost.addTab(startDatePage);
tabHost.addTab(endDatePage);
mHourView = (TextView) view.findViewById(R.id.hours);
mHourView.setOnKeyListener(keyboardListener);
mHourViewEnd = (TextView) view.findViewById(R.id.hours_end);
mHourViewEnd.setOnKeyListener(keyboardListener);
mHourSpaceView = (TextView) view.findViewById(R.id.hour_space);
mHourSpaceViewEnd = (TextView) view.findViewById(R.id.hour_space_end);
mMinuteSpaceView = (TextView) view.findViewById(R.id.minutes_space);
mMinuteSpaceViewEnd = (TextView) view.findViewById(R.id.minutes_space_end);
mMinuteView = (TextView) view.findViewById(R.id.minutes);
mMinuteView.setOnKeyListener(keyboardListener);
mMinuteViewEnd = (TextView) view.findViewById(R.id.minutes_end);
mMinuteViewEnd.setOnKeyListener(keyboardListener);
mAmPmTextView = (TextView) view.findViewById(R.id.ampm_label);
mAmPmTextView.setOnKeyListener(keyboardListener);
mAmPmTextViewEnd = (TextView) view.findViewById(R.id.ampm_label_end);
mAmPmTextViewEnd.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(), this, mInitialHourOfDay,
mInitialMinute, mIs24HourMode);
mTimePickerEnd = (RadialPickerLayout) view.findViewById(R.id.time_picker_end);
mTimePickerEnd.setOnValueSelectedListener(this);
mTimePickerEnd.setOnKeyListener(keyboardListener);
mTimePickerEnd.initialize(getActivity(), this, mInitialHourOfDayEnd,
mInitialMinuteEnd, mIs24HourMode);
int currentItemShowing = HOUR_INDEX;
int currentItemShowingEnd = HOUR_INDEX;
if (savedInstanceState != null &&
savedInstanceState.containsKey(KEY_CURRENT_ITEM_SHOWING)) {
currentItemShowing = savedInstanceState.getInt(KEY_CURRENT_ITEM_SHOWING);
}
if (savedInstanceState != null &&
savedInstanceState.containsKey(KEY_CURRENT_ITEM_SHOWING_END)) {
currentItemShowingEnd = savedInstanceState.getInt(KEY_CURRENT_ITEM_SHOWING_END);
}
setCurrentItemShowing(currentItemShowing, false, true, true);
setCurrentItemShowing(currentItemShowingEnd, false, true, true);
mTimePicker.invalidate();
mTimePickerEnd.invalidate();
mHourView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
setCurrentItemShowing(HOUR_INDEX, true, false, true);
tryVibrate();
}
});
mHourViewEnd.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();
}
});
mMinuteViewEnd.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
setCurrentItemShowing(MINUTE_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();
}
if (mCallback != null) {
mCallback.onTimeSet(mTimePicker,
mTimePicker.getHours(), mTimePicker.getMinutes(),mTimePickerEnd.getHours(), mTimePickerEnd.getMinutes());
}
dismiss();
}
});
mOkButton.setOnKeyListener(keyboardListener);
mOkButton.setTypeface(TypefaceHelper.get(getDialog().getContext(), "Roboto-Medium"));
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(getDialog().getContext(),"Roboto-Medium"));
mCancelButton.setVisibility(isCancelable() ? View.VISIBLE : View.GONE);
// Enable or disable the AM/PM view.
mAmPmHitspace = view.findViewById(R.id.ampm_hitspace);
mAmPmHitspaceEnd = view.findViewById(R.id.ampm_hitspace_end);
if (mIs24HourMode) {
mAmPmTextView.setVisibility(View.GONE);
mAmPmTextViewEnd.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);
TextView separatorViewEnd = (TextView) view.findViewById(R.id.separator_end);
separatorView.setLayoutParams(paramsSeparator);
separatorViewEnd.setLayoutParams(paramsSeparator);
} else {
mAmPmTextView.setVisibility(View.VISIBLE);
mAmPmTextViewEnd.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);
}
});
mAmPmHitspaceEnd.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
tryVibrate();
int amOrPm = mTimePickerEnd.getIsCurrentlyAmOrPm();
if (amOrPm == AM) {
amOrPm = PM;
} else if (amOrPm == PM){
amOrPm = AM;
}
updateAmPmDisplay(amOrPm);
mTimePickerEnd.setAmOrPm(amOrPm);
}
});
}
mAllowAutoAdvance = true;
setHour(mInitialHourOfDay, true);
setMinute(mInitialMinute);
// 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();
mHourViewEnd.invalidate();
} else if (mTypedTimes == null) {
mTypedTimes = new ArrayList<>();
}
// Set the title (if any)
TextView timePickerHeader = (TextView) view.findViewById(R.id.time_picker_header);
TextView timePickerHeaderEnd = (TextView) view.findViewById(R.id.time_picker_header_end);
if (!mTitle.isEmpty()) {
timePickerHeader.setVisibility(TextView.VISIBLE);
timePickerHeader.setText(mTitle);
timePickerHeaderEnd.setVisibility(TextView.VISIBLE);
timePickerHeaderEnd.setText(mTitle);
}
// Set the theme at the end so that the initialize()s above don't counteract the theme.
mTimePicker.setTheme(getActivity().getApplicationContext(), mThemeDark);
mTimePickerEnd.setTheme(getActivity().getApplicationContext(), mThemeDark);
//If an accent color has not been set manually, try and get it from the context
if (mAccentColor == -1) {
int accentColor = Utils.getAccentColorFromThemeIfAvailable(getActivity());
if (accentColor != -1) {
mAccentColor = accentColor;
}
}
if (mAccentColor != -1) {
mTimePicker.setAccentColor(mAccentColor);
mTimePickerEnd.setAccentColor(mAccentColor);
mOkButton.setTextColor(mAccentColor);
}else{
int circleBackground = res.getColor(R.color.mdtp_circle_background);
int backgroundColor = res.getColor(R.color.mdtp_background_color);
int darkBackgroundColor = res.getColor(R.color.mdtp_light_gray);
int lightGray = res.getColor(R.color.mdtp_light_gray);
mTimePicker.setBackgroundColor(mThemeDark? lightGray : circleBackground);
mTimePickerEnd.setBackgroundColor(mThemeDark ? lightGray : circleBackground);
view.findViewById(R.id.time_picker_dialog).setBackgroundColor(mThemeDark ? darkBackgroundColor : backgroundColor);
}
tabHost.setOnTabChangedListener(new TabHost.OnTabChangeListener() {
@Override
public void onTabChanged(String tabId) {
if(tabId=="start"){
setCurrentItemShowing(mTimePicker.getCurrentItemShowing(), true, false, true);
setHour(mTimePicker.getHours(),false);
setMinute(mTimePicker.getMinutes());
updateAmPmDisplay(mTimePicker.getIsCurrentlyAmOrPm());
}else{
setCurrentItemShowing(mTimePickerEnd.getCurrentItemShowing(), true, false, true);
setHour(mTimePickerEnd.getHours(),false);
setMinute(mTimePickerEnd.getMinutes());
updateAmPmDisplay(mTimePickerEnd.getIsCurrentlyAmOrPm());
}
}
});
return view;
}
@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);
}
public void tryVibrate() {
if(mVibrate) mHapticFeedbackController.tryVibrate();
}
private void updateAmPmDisplay(int amOrPm) {
if (amOrPm == AM) {
if(tabHost.getCurrentTab()==0){
mAmPmTextView.setText(mAmText);
mAmPmHitspace.setContentDescription(mAmText);
Utils.tryAccessibilityAnnounce(mTimePicker, mAmText);
}else{
mAmPmTextViewEnd.setText(mAmText);
mAmPmHitspaceEnd.setContentDescription(mAmText);
Utils.tryAccessibilityAnnounce(mTimePickerEnd, mAmText);
}
} else if (amOrPm == PM){
if(tabHost.getCurrentTab()==0){
mAmPmTextView.setText(mPmText);
mAmPmHitspace.setContentDescription(mPmText);
Utils.tryAccessibilityAnnounce(mTimePicker, mPmText);
}else{
mAmPmTextViewEnd.setText(mPmText);
mAmPmHitspaceEnd.setContentDescription(mPmText);
Utils.tryAccessibilityAnnounce(mTimePickerEnd, mPmText);
}
} else {
if(tabHost.getCurrentTab()==0){
mAmPmTextView.setText(mDoublePlaceholderText);
}else{
mAmPmTextViewEnd.setText(mDoublePlaceholderText);
}
}
}
@Override
public void onSaveInstanceState(@NonNull Bundle outState) {
if (mTimePicker != null) {
outState.putInt(KEY_HOUR_OF_DAY, mTimePicker.getHours());
outState.putInt(KEY_MINUTE, mTimePicker.getMinutes());
outState.putInt(KEY_HOUR_OF_DAY_END, mTimePickerEnd.getHours());
outState.putInt(KEY_MINUTE_END, mTimePickerEnd.getMinutes());
outState.putBoolean(KEY_IS_24_HOUR_VIEW, mIs24HourMode);
outState.putInt(KEY_CURRENT_ITEM_SHOWING, mTimePicker.getCurrentItemShowing());
outState.putInt(KEY_CURRENT_ITEM_SHOWING_END, mTimePickerEnd.getCurrentItemShowing());
outState.putBoolean(KEY_IN_KB_MODE, mInKbMode);
if (mInKbMode) {
outState.putIntegerArrayList(KEY_TYPED_TIMES, mTypedTimes);
}
outState.putString(KEY_TITLE, mTitle);
outState.putBoolean(KEY_DARK_THEME, mThemeDark);
outState.putInt(KEY_ACCENT, mAccentColor);
outState.putBoolean(KEY_VIBRATE, mVibrate);
}
}
/**
* 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 {
if(tabHost.getCurrentTab()==0){
mTimePicker.setContentDescription(mHourPickerDescription + ": " + newValue);
Utils.tryAccessibilityAnnounce(mTimePicker, announcement);
}else{
mTimePickerEnd.setContentDescription(mHourPickerDescription + ": " + newValue);
Utils.tryAccessibilityAnnounce(mTimePickerEnd, announcement);
}
}
} else if (pickerIndex == MINUTE_INDEX){
setMinute(newValue);
if (tabHost.getCurrentTab()==0){
mTimePicker.setContentDescription(mMinutePickerDescription + ": " + newValue);
}else{
mTimePickerEnd.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);
if(tabHost.getCurrentTab()==0){
mHourView.setText(text);
mHourSpaceView.setText(text);
if (announce) {
Utils.tryAccessibilityAnnounce(mTimePicker, text);
}
}else{
mHourViewEnd.setText(text);
mHourSpaceViewEnd.setText(text);
if (announce) {
Utils.tryAccessibilityAnnounce(mTimePickerEnd, text);
}
}
}
private void setMinute(int value) {
if (value == 60) {
value = 0;
}
CharSequence text = String.format(Locale.getDefault(), "%02d", value);
if(tabHost.getCurrentTab()==0){
Utils.tryAccessibilityAnnounce(mTimePicker, text);
mMinuteView.setText(text);
mMinuteSpaceView.setText(text);
}else{
Utils.tryAccessibilityAnnounce(mTimePickerEnd, text);
mMinuteViewEnd.setText(text);
mMinuteSpaceViewEnd.setText(text);
}
}
// Show either Hours or Minutes.
private void setCurrentItemShowing(int index, boolean animateCircle, boolean delayLabelAnimate,
boolean announce) {
if(tabHost.getCurrentTab()==0){
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();
}else{
mTimePickerEnd.setCurrentItemShowing(index, animateCircle);
TextView labelToAnimate;
if (index == HOUR_INDEX) {
int hours = mTimePickerEnd.getHours();
if (!mIs24HourMode) {
hours = hours % 12;
}
mTimePickerEnd.setContentDescription(mHourPickerDescription + ": " + hours);
if (announce) {
Utils.tryAccessibilityAnnounce(mTimePickerEnd, mSelectHours);
}
labelToAnimate = mHourViewEnd;
} else {
int minutes = mTimePickerEnd.getMinutes();
mTimePickerEnd.setContentDescription(mMinutePickerDescription + ": " + minutes);
if (announce) {
Utils.tryAccessibilityAnnounce(mTimePickerEnd, mSelectMinutes);
}
labelToAnimate = mMinuteViewEnd;
}
int hourColor = (index == HOUR_INDEX)? mSelectedColor : mUnselectedColor;
int minuteColor = (index == MINUTE_INDEX)? mSelectedColor : mUnselectedColor;
mHourViewEnd.setTextColor(hourColor);
mMinuteViewEnd.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) {
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(),mTimePickerEnd.getHours(), mTimePickerEnd.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));
}
if(tabHost.getCurrentTab()==0){
Utils.tryAccessibilityAnnounce(mTimePicker,
String.format(mDeletedKeyFormat, deletedKeyStr));
}else{
Utils.tryAccessibilityAnnounce(mTimePickerEnd,
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.
if ((mIs24HourMode && mTypedTimes.size() == 4) ||
(!mIs24HourMode && isTypedTimeFullyLegal())) {
return false;
}
mTypedTimes.add(keyCode);
if (!isTypedTimeLegalSoFar()) {
deleteLastTypedKey();
return false;
}
int val = getValFromKeyCode(keyCode);
if(tabHost.getCurrentTab()==0){
Utils.tryAccessibilityAnnounce(mTimePicker, String.format("%d", val));
}else{
Utils.tryAccessibilityAnnounce(mTimePickerEnd, 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);
}
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);
} 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);
if(tabHost.getCurrentTab()==0){
mTimePicker.setTime(values[0], values[1]);
if (!mIs24HourMode) {
mTimePicker.setAmOrPm(values[2]);
}
}else{
mTimePickerEnd.setTime(values[0], values[1]);
if (!mIs24HourMode) {
mTimePickerEnd.setAmOrPm(values[2]);
}
}
mTypedTimes.clear();
}
if (updateDisplays) {
updateDisplay(false);
if(tabHost.getCurrentTab()==0){
mTimePicker.trySettingInputEnabled(true);
}else{
mTimePickerEnd.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()) {
if(tabHost.getCurrentTab()==0){
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);
}else{
int hour = mTimePickerEnd.getHours();
int minute = mTimePickerEnd.getMinutes();
setHour(hour, true);
setMinute(minute);
if (!mIs24HourMode) {
updateAmPmDisplay(hour < 12? AM : PM);
}
setCurrentItemShowing(mTimePickerEnd.getCurrentItemShowing(), true, true, true);
}
mOkButton.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);
if(tabHost.getCurrentTab()==0){
mHourView.setText(hourStr);
mHourSpaceView.setText(hourStr);
mHourView.setTextColor(mUnselectedColor);
mMinuteView.setText(minuteStr);
mMinuteSpaceView.setText(minuteStr);
mMinuteView.setTextColor(mUnselectedColor);
}else{
mHourViewEnd.setText(hourStr);
mHourSpaceViewEnd.setText(hourStr);
mHourViewEnd.setTextColor(mUnselectedColor);
mMinuteViewEnd.setText(minuteStr);
mMinuteSpaceViewEnd.setText(minuteStr);
mMinuteViewEnd.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;
}
}
}
return new int[] {hour, minute, amOrPm};
}
/**
* Get the keycode value for AM and PM in the current language.
*/
private int getAmOrPmKeyCode(int amOrPm) {
// Cache the codes.
if (mAmKeyCode == -1 || mPmKeyCode == -1) {
// Find the first character in the AM/PM text that is unique.
KeyCharacterMap kcm = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
char amChar;
char pmChar;
for (int i = 0; i < Math.max(mAmText.length(), mPmText.length()); i++) {
amChar = mAmText.toLowerCase(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 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 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;
}
}
}