Java tutorial
/* * Copyright (C) 2013 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.borax12.materialdaterangepicker.date; import android.animation.ObjectAnimator; import android.app.Activity; import android.app.DialogFragment; import android.content.DialogInterface; import android.content.res.Resources; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.content.ContextCompat; import android.text.format.DateUtils; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.widget.Button; import android.widget.LinearLayout; 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 java.text.SimpleDateFormat; import java.util.Arrays; import java.util.Calendar; import java.util.GregorianCalendar; import java.util.HashSet; import java.util.Locale; /** * Dialog allowing users to select a date. */ public class DatePickerDialog extends DialogFragment implements OnClickListener, com.borax12.materialdaterangepicker.date.DatePickerController { private static final String TAG = "DatePickerDialog"; private static final int UNINITIALIZED = -1; private static final int MONTH_AND_DAY_VIEW = 0; private static final int YEAR_VIEW = 1; private static final String KEY_SELECTED_YEAR = "year"; private static final String KEY_SELECTED_YEAR_END = "year_end"; private static final String KEY_SELECTED_MONTH = "month"; private static final String KEY_SELECTED_MONTH_END = "month_end"; private static final String KEY_SELECTED_DAY = "day"; private static final String KEY_SELECTED_DAY_END = "day_end"; private static final String KEY_LIST_POSITION = "list_position"; private static final String KEY_LIST_POSITION_END = "list_position_end"; private static final String KEY_WEEK_START = "week_start"; private static final String KEY_WEEK_START_END = "week_start_end"; private static final String KEY_YEAR_START = "year_start"; private static final String KEY_YEAR_START_END = "year_start_end"; private static final String KEY_MAX_YEAR = "max_year"; private static final String KEY_MAX_YEAR_END = "max_year_end"; private static final String KEY_CURRENT_VIEW = "current_view"; private static final String KEY_CURRENT_VIEW_END = "current_view_end"; private static final String KEY_LIST_POSITION_OFFSET = "list_position_offset"; private static final String KEY_LIST_POSITION_OFFSET_END = "list_position_offset_end"; private static final String KEY_MIN_DATE = "min_date"; private static final String KEY_MAX_DATE = "max_date"; private static final String KEY_HIGHLIGHTED_DAYS = "highlighted_days"; private static final String KEY_SELECTABLE_DAYS = "selectable_days"; private static final String KEY_MIN_DATE_END = "min_date_end"; private static final String KEY_MAX_DATE_END = "max_date_end"; private static final String KEY_HIGHLIGHTED_DAYS_END = "highlighted_days_end"; private static final String KEY_SELECTABLE_DAYS_END = "selectable_days_end"; private static final String KEY_THEME_DARK = "theme_dark"; private static final String KEY_ACCENT = "accent"; private static final String KEY_VIBRATE = "vibrate"; private static final String KEY_DISMISS = "dismiss"; private static final int DEFAULT_START_YEAR = 1900; private static final int DEFAULT_END_YEAR = 2100; private static final int ANIMATION_DURATION = 300; private static final int ANIMATION_DELAY = 500; private static SimpleDateFormat YEAR_FORMAT = new SimpleDateFormat("yyyy", Locale.getDefault()); private static SimpleDateFormat DAY_FORMAT = new SimpleDateFormat("dd", Locale.getDefault()); private Calendar mCalendar = Calendar.getInstance(); private Calendar mCalendarEnd = Calendar.getInstance(); private OnDateSetListener mCallBack; private HashSet<OnDateChangedListener> mListeners = new HashSet<>(); private DialogInterface.OnCancelListener mOnCancelListener; private DialogInterface.OnDismissListener mOnDismissListener; private com.borax12.materialdaterangepicker.date.AccessibleDateAnimator mAnimator; private TextView mDayOfWeekView; private LinearLayout mMonthAndDayView; private TextView mSelectedMonthTextView; private TextView mSelectedDayTextView; private TextView mYearView; private com.borax12.materialdaterangepicker.date.DayPickerView mDayPickerView; private com.borax12.materialdaterangepicker.date.YearPickerView mYearPickerView; private int mCurrentView = UNINITIALIZED; private int mCurrentViewEnd = UNINITIALIZED; private int mWeekStart = mCalendar.getFirstDayOfWeek(); private int mWeekStartEnd = mCalendarEnd.getFirstDayOfWeek(); private int mMinYear = DEFAULT_START_YEAR; private int mMaxYear = DEFAULT_END_YEAR; private Calendar mMinDate; private Calendar mMaxDate; private Calendar[] highlightedDays; private Calendar[] selectableDays; private Calendar mMinDateEnd; private Calendar mMaxDateEnd; private Calendar[] highlightedDaysEnd; private Calendar[] selectableDaysEnd; private boolean mAutoHighlight = false; private boolean mThemeDark; private int mAccentColor = -1; private boolean mVibrate; private boolean mDismissOnPause; private HapticFeedbackController mHapticFeedbackController; private boolean mDelayAnimation = true; // Accessibility strings. private String mDayPickerDescription; private String mSelectDay; private String mYearPickerDescription; private String mSelectYear; private TabHost tabHost; private LinearLayout mMonthAndDayViewEnd; private TextView mSelectedMonthTextViewEnd; private TextView mSelectedDayTextViewEnd; private TextView mYearViewEnd; private com.borax12.materialdaterangepicker.date.SimpleDayPickerView mDayPickerViewEnd; private com.borax12.materialdaterangepicker.date.YearPickerView mYearPickerViewEnd; private com.borax12.materialdaterangepicker.date.AccessibleDateAnimator mAnimatorEnd; private int tabTag = 1; private String startTitle; private String endTitle; /** * The callback used to indicate the user is done filling in the date. */ public interface OnDateSetListener { /** * @param view The view associated with this listener. * @param year The year that was set. * @param monthOfYear The month that was set (0-11) for compatibility * with {@link java.util.Calendar}. * @param dayOfMonth The day of the month that was set. */ void onDateSet(DatePickerDialog view, int year, int monthOfYear, int dayOfMonth, int yearEnd, int monthOfYearEnd, int dayOfMonthEnd); } /** * The callback used to notify other date picker components of a change in selected date. */ interface OnDateChangedListener { void onDateChanged(); } public DatePickerDialog() { // Empty constructor required for dialog fragment. } /** * @param callBack How the parent is notified that the date is set. * @param year The initial year of the dialog. * @param monthOfYear The initial month of the dialog. * @param dayOfMonth The initial day of the dialog. */ public static DatePickerDialog newInstance(OnDateSetListener callBack, int year, int monthOfYear, int dayOfMonth) { DatePickerDialog ret = new DatePickerDialog(); ret.initialize(callBack, year, monthOfYear, dayOfMonth); return ret; } /** * * @param callBack How the parent is notified that the date is set. * @param year The initial year of the dialog. * @param monthOfYear The initial month of the dialog. * @param dayOfMonth The initial day of the dialog. * @param yearEnd The end year of the dialog. * @param montOfYearEnd The end month of the dialog. * @param dayOfMonthEnd The end day of the dialog. */ public static DatePickerDialog newInstance(OnDateSetListener callBack, int year, int monthOfYear, int dayOfMonth, int yearEnd, int montOfYearEnd, int dayOfMonthEnd) { DatePickerDialog ret = new DatePickerDialog(); ret.initialize(callBack, year, monthOfYear, dayOfMonth, yearEnd, montOfYearEnd, dayOfMonthEnd); return ret; } public void initialize(OnDateSetListener callBack, int year, int monthOfYear, int dayOfMonth) { initialize(callBack, year, monthOfYear, dayOfMonth, year, monthOfYear, dayOfMonth); } public void initialize(OnDateSetListener callBack, int year, int monthOfYear, int dayOfMonth, int yearEnd, int montOfYearEnd, int dayOfMonthEnd) { mCallBack = callBack; mCalendar.set(Calendar.YEAR, year); mCalendar.set(Calendar.MONTH, monthOfYear); mCalendar.set(Calendar.DAY_OF_MONTH, dayOfMonth); mCalendarEnd.set(Calendar.YEAR, yearEnd); mCalendarEnd.set(Calendar.MONTH, montOfYearEnd); mCalendarEnd.set(Calendar.DAY_OF_MONTH, dayOfMonthEnd); mThemeDark = false; mAccentColor = -1; mVibrate = true; mDismissOnPause = false; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final Activity activity = getActivity(); activity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN); if (savedInstanceState != null) { mCalendar.set(Calendar.YEAR, savedInstanceState.getInt(KEY_SELECTED_YEAR)); mCalendar.set(Calendar.MONTH, savedInstanceState.getInt(KEY_SELECTED_MONTH)); mCalendar.set(Calendar.DAY_OF_MONTH, savedInstanceState.getInt(KEY_SELECTED_DAY)); mCalendarEnd.set(Calendar.YEAR, savedInstanceState.getInt(KEY_SELECTED_YEAR_END)); mCalendarEnd.set(Calendar.MONTH, savedInstanceState.getInt(KEY_SELECTED_MONTH_END)); mCalendarEnd.set(Calendar.DAY_OF_MONTH, savedInstanceState.getInt(KEY_SELECTED_DAY_END)); } } @Override public void onSaveInstanceState(@NonNull Bundle outState) { super.onSaveInstanceState(outState); outState.putInt(KEY_SELECTED_YEAR, mCalendar.get(Calendar.YEAR)); outState.putInt(KEY_SELECTED_MONTH, mCalendar.get(Calendar.MONTH)); outState.putInt(KEY_SELECTED_DAY, mCalendar.get(Calendar.DAY_OF_MONTH)); outState.putInt(KEY_WEEK_START, mWeekStart); outState.putInt(KEY_YEAR_START, mMinYear); outState.putInt(KEY_MAX_YEAR, mMaxYear); outState.putInt(KEY_CURRENT_VIEW, mCurrentView); outState.putInt(KEY_SELECTED_YEAR_END, mCalendarEnd.get(Calendar.YEAR)); outState.putInt(KEY_SELECTED_MONTH_END, mCalendarEnd.get(Calendar.MONTH)); outState.putInt(KEY_SELECTED_DAY_END, mCalendarEnd.get(Calendar.DAY_OF_MONTH)); outState.putInt(KEY_WEEK_START_END, mWeekStartEnd); outState.putInt(KEY_YEAR_START_END, mMinYear); outState.putInt(KEY_MAX_YEAR_END, mMaxYear); outState.putInt(KEY_CURRENT_VIEW_END, mCurrentViewEnd); int listPosition = -1; int listPositionEnd = -1; if (mCurrentView == MONTH_AND_DAY_VIEW || mCurrentViewEnd == MONTH_AND_DAY_VIEW) { listPosition = mDayPickerView.getMostVisiblePosition(); listPositionEnd = mDayPickerViewEnd.getMostVisiblePosition(); } else if (mCurrentView == YEAR_VIEW || mCurrentViewEnd == YEAR_VIEW) { listPosition = mYearPickerView.getFirstVisiblePosition(); listPositionEnd = mYearPickerViewEnd.getFirstVisiblePosition(); outState.putInt(KEY_LIST_POSITION_OFFSET, mYearPickerView.getFirstPositionOffset()); outState.putInt(KEY_LIST_POSITION_OFFSET_END, mYearPickerViewEnd.getFirstPositionOffset()); } outState.putInt(KEY_LIST_POSITION, listPosition); outState.putInt(KEY_LIST_POSITION_END, listPositionEnd); outState.putSerializable(KEY_MIN_DATE, mMinDate); outState.putSerializable(KEY_MAX_DATE, mMaxDate); outState.putSerializable(KEY_MIN_DATE_END, mMinDateEnd); outState.putSerializable(KEY_MAX_DATE_END, mMaxDateEnd); outState.putSerializable(KEY_HIGHLIGHTED_DAYS, highlightedDays); outState.putSerializable(KEY_SELECTABLE_DAYS, selectableDays); outState.putSerializable(KEY_HIGHLIGHTED_DAYS_END, highlightedDaysEnd); outState.putSerializable(KEY_SELECTABLE_DAYS_END, selectableDaysEnd); outState.putBoolean(KEY_THEME_DARK, mThemeDark); outState.putInt(KEY_ACCENT, mAccentColor); outState.putBoolean(KEY_VIBRATE, mVibrate); outState.putBoolean(KEY_DISMISS, mDismissOnPause); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE); View view = inflater.inflate(R.layout.range_date_picker_dialog, container, false); tabHost = (TabHost) view.findViewById(R.id.tabHost); tabHost.findViewById(R.id.tabHost); tabHost.setup(); final Activity activity = getActivity(); TabHost.TabSpec startDatePage = tabHost.newTabSpec("start"); startDatePage.setContent(R.id.start_date_group); startDatePage.setIndicator((startTitle != null && !startTitle.isEmpty()) ? startTitle : activity.getResources().getString(R.string.mdtrp_from)); TabHost.TabSpec endDatePage = tabHost.newTabSpec("end"); endDatePage.setContent(R.id.end_date_group); endDatePage.setIndicator((endTitle != null && !endTitle.isEmpty()) ? endTitle : activity.getResources().getString(R.string.mdtrp_to)); tabHost.addTab(startDatePage); tabHost.addTab(endDatePage); mDayOfWeekView = (TextView) view.findViewById(R.id.date_picker_header); mMonthAndDayView = (LinearLayout) view.findViewById(R.id.date_picker_month_and_day); mMonthAndDayViewEnd = (LinearLayout) view.findViewById(R.id.date_picker_month_and_day_end); mMonthAndDayView.setOnClickListener(this); mMonthAndDayViewEnd.setOnClickListener(this); mSelectedMonthTextView = (TextView) view.findViewById(R.id.date_picker_month); mSelectedMonthTextViewEnd = (TextView) view.findViewById(R.id.date_picker_month_end); mSelectedDayTextView = (TextView) view.findViewById(R.id.date_picker_day); mSelectedDayTextViewEnd = (TextView) view.findViewById(R.id.date_picker_day_end); mYearView = (TextView) view.findViewById(R.id.date_picker_year); mYearViewEnd = (TextView) view.findViewById(R.id.date_picker_year_end); mYearView.setOnClickListener(this); mYearViewEnd.setOnClickListener(this); int listPosition = -1; int listPositionOffset = 0; int listPositionEnd = -1; int listPositionOffsetEnd = 0; int currentView = MONTH_AND_DAY_VIEW; int currentViewEnd = MONTH_AND_DAY_VIEW; if (savedInstanceState != null) { mWeekStart = savedInstanceState.getInt(KEY_WEEK_START); mWeekStartEnd = savedInstanceState.getInt(KEY_WEEK_START_END); mMinYear = savedInstanceState.getInt(KEY_YEAR_START); mMaxYear = savedInstanceState.getInt(KEY_MAX_YEAR); currentView = savedInstanceState.getInt(KEY_CURRENT_VIEW); currentViewEnd = savedInstanceState.getInt(KEY_CURRENT_VIEW_END); listPosition = savedInstanceState.getInt(KEY_LIST_POSITION); listPositionOffset = savedInstanceState.getInt(KEY_LIST_POSITION_OFFSET); listPositionEnd = savedInstanceState.getInt(KEY_LIST_POSITION_END); listPositionOffsetEnd = savedInstanceState.getInt(KEY_LIST_POSITION_OFFSET_END); mMinDate = (Calendar) savedInstanceState.getSerializable(KEY_MIN_DATE); mMaxDate = (Calendar) savedInstanceState.getSerializable(KEY_MAX_DATE); mMinDateEnd = (Calendar) savedInstanceState.getSerializable(KEY_MIN_DATE_END); mMaxDateEnd = (Calendar) savedInstanceState.getSerializable(KEY_MAX_DATE_END); highlightedDays = (Calendar[]) savedInstanceState.getSerializable(KEY_HIGHLIGHTED_DAYS); selectableDays = (Calendar[]) savedInstanceState.getSerializable(KEY_SELECTABLE_DAYS); highlightedDaysEnd = (Calendar[]) savedInstanceState.getSerializable(KEY_HIGHLIGHTED_DAYS_END); selectableDaysEnd = (Calendar[]) savedInstanceState.getSerializable(KEY_SELECTABLE_DAYS_END); mThemeDark = savedInstanceState.getBoolean(KEY_THEME_DARK); mAccentColor = savedInstanceState.getInt(KEY_ACCENT); mVibrate = savedInstanceState.getBoolean(KEY_VIBRATE); mDismissOnPause = savedInstanceState.getBoolean(KEY_DISMISS); } mDayPickerView = new com.borax12.materialdaterangepicker.date.SimpleDayPickerView(activity, this); mYearPickerView = new com.borax12.materialdaterangepicker.date.YearPickerView(activity, this); mDayPickerViewEnd = new com.borax12.materialdaterangepicker.date.SimpleDayPickerView(activity, this); mYearPickerViewEnd = new com.borax12.materialdaterangepicker.date.YearPickerView(activity, this); Resources res = getResources(); mDayPickerDescription = res.getString(R.string.mdtrp_day_picker_description); mSelectDay = res.getString(R.string.mdtrp_select_day); mYearPickerDescription = res.getString(R.string.mdtrp_year_picker_description); mSelectYear = res.getString(R.string.mdtrp_select_year); int bgColorResource = mThemeDark ? R.color.mdtrp_date_picker_view_animator_dark_theme : R.color.mdtrp_date_picker_view_animator; view.setBackgroundColor(ContextCompat.getColor(activity, bgColorResource)); mAnimator = (com.borax12.materialdaterangepicker.date.AccessibleDateAnimator) view .findViewById(R.id.animator); mAnimatorEnd = (com.borax12.materialdaterangepicker.date.AccessibleDateAnimator) view .findViewById(R.id.animator_end); mAnimator.addView(mDayPickerView); mAnimator.addView(mYearPickerView); mAnimator.setDateMillis(mCalendar.getTimeInMillis()); // TODO: Replace with animation decided upon by the design team. Animation animation = new AlphaAnimation(0.0f, 1.0f); animation.setDuration(ANIMATION_DURATION); mAnimator.setInAnimation(animation); // TODO: Replace with animation decided upon by the design team. Animation animation2 = new AlphaAnimation(1.0f, 0.0f); animation2.setDuration(ANIMATION_DURATION); mAnimator.setOutAnimation(animation2); mAnimatorEnd.addView(mDayPickerViewEnd); mAnimatorEnd.addView(mYearPickerViewEnd); mAnimatorEnd.setDateMillis(mCalendarEnd.getTimeInMillis()); // TODO: Replace with animation decided upon by the design team. Animation animationEnd = new AlphaAnimation(0.0f, 1.0f); animationEnd.setDuration(ANIMATION_DURATION); mAnimatorEnd.setInAnimation(animation); // TODO: Replace with animation decided upon by the design team. Animation animation2End = new AlphaAnimation(1.0f, 0.0f); animation2End.setDuration(ANIMATION_DURATION); mAnimatorEnd.setOutAnimation(animation2); Button okButton = (Button) view.findViewById(R.id.ok); okButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { tryVibrate(); if (mCallBack != null) { mCallBack.onDateSet(DatePickerDialog.this, mCalendar.get(Calendar.YEAR), mCalendar.get(Calendar.MONTH), mCalendar.get(Calendar.DAY_OF_MONTH), mCalendarEnd.get(Calendar.YEAR), mCalendarEnd.get(Calendar.MONTH), mCalendarEnd.get(Calendar.DAY_OF_MONTH)); } dismiss(); } }); okButton.setTypeface(TypefaceHelper.get(activity, "Roboto-Medium")); Button cancelButton = (Button) view.findViewById(R.id.cancel); cancelButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { tryVibrate(); if (getDialog() != null) getDialog().cancel(); } }); cancelButton.setTypeface(TypefaceHelper.get(activity, "Roboto-Medium")); cancelButton.setVisibility(isCancelable() ? View.VISIBLE : View.GONE); //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) { if (mDayOfWeekView != null) mDayOfWeekView.setBackgroundColor(Utils.darkenColor(mAccentColor)); view.findViewById(R.id.day_picker_selected_date_layout).setBackgroundColor(mAccentColor); view.findViewById(R.id.day_picker_selected_date_layout_end).setBackgroundColor(mAccentColor); okButton.setTextColor(mAccentColor); cancelButton.setTextColor(mAccentColor); mYearPickerView.setAccentColor(mAccentColor); mDayPickerView.setAccentColor(mAccentColor); mYearPickerViewEnd.setAccentColor(mAccentColor); mDayPickerViewEnd.setAccentColor(mAccentColor); } updateDisplay(false); setCurrentView(currentView); if (listPosition != -1) { if (currentView == MONTH_AND_DAY_VIEW) { mDayPickerView.postSetSelection(listPosition); } else if (currentView == YEAR_VIEW) { mYearPickerView.postSetSelectionFromTop(listPosition, listPositionOffset); } } if (listPositionEnd != -1) { if (currentViewEnd == MONTH_AND_DAY_VIEW) { mDayPickerViewEnd.postSetSelection(listPositionEnd); } else if (currentViewEnd == YEAR_VIEW) { mYearPickerViewEnd.postSetSelectionFromTop(listPositionEnd, listPositionOffsetEnd); } } mHapticFeedbackController = new HapticFeedbackController(activity); tabHost.setOnTabChangedListener(new TabHost.OnTabChangeListener() { @Override public void onTabChanged(String tabId) { com.borax12.materialdaterangepicker.date.MonthAdapter.CalendarDay calendarDay; if (tabId.equals("start")) { calendarDay = new com.borax12.materialdaterangepicker.date.MonthAdapter.CalendarDay( mCalendar.getTimeInMillis()); mDayPickerView.goTo(calendarDay, true, true, false); } else { calendarDay = new com.borax12.materialdaterangepicker.date.MonthAdapter.CalendarDay( mCalendarEnd.getTimeInMillis()); mDayPickerViewEnd.goTo(calendarDay, true, true, false); } } }); 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); } /** * Get whether auto highlighting is turned on or not * @return true if on, false otherwise */ @SuppressWarnings("unused") public boolean isAutoHighlight() { return mAutoHighlight; } /** * If set to true, all days between {@link #highlightedDays} and {@link #highlightedDaysEnd} will be highlighted. * This will reset manually inserted days to highlight using {@link #setHighlightedDays(Calendar[], Calendar[])} * @param autoHighlight Set true to turn on auto highlighting, false otherwise */ @SuppressWarnings("unused") public void setAutoHighlight(boolean autoHighlight) { this.mAutoHighlight = autoHighlight; if (autoHighlight) { calculateHighlightedDays(); } else { highlightedDays = null; highlightedDaysEnd = null; } } private void setCurrentView(final int viewIndex) { long millis = mCalendar.getTimeInMillis(); long millisEnd = mCalendarEnd.getTimeInMillis(); switch (viewIndex) { case MONTH_AND_DAY_VIEW: ObjectAnimator pulseAnimator = Utils.getPulseAnimator(mMonthAndDayView, 0.9f, 1.05f); ObjectAnimator pulseAnimatorTwo = Utils.getPulseAnimator(mMonthAndDayViewEnd, 0.9f, 1.05f); if (mDelayAnimation) { pulseAnimator.setStartDelay(ANIMATION_DELAY); pulseAnimatorTwo.setStartDelay(ANIMATION_DELAY); mDelayAnimation = false; } mDayPickerView.onDateChanged(); if (mCurrentView != viewIndex) { mMonthAndDayView.setSelected(true); mMonthAndDayViewEnd.setSelected(true); mYearView.setSelected(false); mYearViewEnd.setSelected(false); mAnimator.setDisplayedChild(MONTH_AND_DAY_VIEW); mAnimatorEnd.setDisplayedChild(MONTH_AND_DAY_VIEW); mCurrentView = viewIndex; } pulseAnimator.start(); pulseAnimatorTwo.start(); int flags = DateUtils.FORMAT_SHOW_DATE; String dayString = DateUtils.formatDateTime(getActivity(), millis, flags); String dayStringEnd = DateUtils.formatDateTime(getActivity(), millisEnd, flags); mAnimator.setContentDescription(mDayPickerDescription + ": " + dayString); mAnimatorEnd.setContentDescription(mDayPickerDescription + ": " + dayStringEnd); Utils.tryAccessibilityAnnounce(mAnimator, mSelectDay); Utils.tryAccessibilityAnnounce(mAnimatorEnd, mSelectDay); break; case YEAR_VIEW: pulseAnimator = Utils.getPulseAnimator(mYearView, 0.85f, 1.1f); pulseAnimatorTwo = Utils.getPulseAnimator(mYearViewEnd, 0.85f, 1.1f); if (mDelayAnimation) { pulseAnimator.setStartDelay(ANIMATION_DELAY); pulseAnimatorTwo.setStartDelay(ANIMATION_DELAY); mDelayAnimation = false; } mYearPickerView.onDateChanged(); mYearPickerViewEnd.onDateChanged(); if (mCurrentView != viewIndex) { mMonthAndDayView.setSelected(false); mYearView.setSelected(true); mAnimator.setDisplayedChild(YEAR_VIEW); mCurrentView = viewIndex; mMonthAndDayViewEnd.setSelected(false); mYearViewEnd.setSelected(true); mAnimatorEnd.setDisplayedChild(YEAR_VIEW); mCurrentViewEnd = viewIndex; } pulseAnimator.start(); pulseAnimatorTwo.start(); CharSequence yearString = YEAR_FORMAT.format(millis); CharSequence yearStringEnd = YEAR_FORMAT.format(millisEnd); mAnimator.setContentDescription(mYearPickerDescription + ": " + yearString); mAnimatorEnd.setContentDescription(mYearPickerDescription + ": " + yearStringEnd); Utils.tryAccessibilityAnnounce(mAnimator, mSelectYear); Utils.tryAccessibilityAnnounce(mAnimatorEnd, mSelectYear); break; } } private void updateDisplay(boolean announce) { if (mDayOfWeekView != null) { mDayOfWeekView .setText(mCalendar.getDisplayName(Calendar.DAY_OF_WEEK, Calendar.LONG, Locale.getDefault()) .toUpperCase(Locale.getDefault())); } mSelectedMonthTextView.setText(mCalendar.getDisplayName(Calendar.MONTH, Calendar.SHORT, Locale.getDefault()) .toUpperCase(Locale.getDefault())); mSelectedMonthTextViewEnd .setText(mCalendarEnd.getDisplayName(Calendar.MONTH, Calendar.SHORT, Locale.getDefault()) .toUpperCase(Locale.getDefault())); mSelectedDayTextView.setText(DAY_FORMAT.format(mCalendar.getTime())); mSelectedDayTextViewEnd.setText(DAY_FORMAT.format(mCalendarEnd.getTime())); mYearView.setText(YEAR_FORMAT.format(mCalendar.getTime())); mYearViewEnd.setText(YEAR_FORMAT.format(mCalendarEnd.getTime())); // Accessibility. long millis = mCalendar.getTimeInMillis(); long millisEnd = mCalendarEnd.getTimeInMillis(); mAnimator.setDateMillis(millis); mAnimatorEnd.setDateMillis(millisEnd); int flags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_NO_YEAR; String monthAndDayText = DateUtils.formatDateTime(getActivity(), millis, flags); String monthAndDayTextEnd = DateUtils.formatDateTime(getActivity(), millisEnd, flags); mMonthAndDayView.setContentDescription(monthAndDayText); mMonthAndDayViewEnd.setContentDescription(monthAndDayTextEnd); if (announce) { flags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR; String fullDateText = DateUtils.formatDateTime(getActivity(), millis, flags); String fullDateTextEnd = DateUtils.formatDateTime(getActivity(), millisEnd, flags); Utils.tryAccessibilityAnnounce(mAnimator, fullDateText); Utils.tryAccessibilityAnnounce(mAnimatorEnd, fullDateTextEnd); } } /** * 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 being paused or whether it should try to survive an orientation change * @param dismissOnPause true if the dialog should dismiss itself when it's pausing */ public void dismissOnPause(boolean dismissOnPause) { mDismissOnPause = dismissOnPause; } /** * Set whether the dark theme should be used * @param themeDark true if the dark theme should be used, false if the default theme should be used */ public void setThemeDark(boolean themeDark) { mThemeDark = themeDark; } /** * Returns true when the dark theme should be used * @return true if the dark theme should be used, false if the default theme should be used */ @Override public boolean isThemeDark() { return mThemeDark; } /** * Set the accent color of this dialog * @param accentColor the accent color you want */ public void setAccentColor(int accentColor) { mAccentColor = accentColor; } /** * Get the accent color of this dialog * @return accent color */ public int getAccentColor() { return mAccentColor; } @SuppressWarnings("unused") public void setFirstDayOfWeek(int startOfWeek, int startWeekEnd) { if (startOfWeek < Calendar.SUNDAY || startOfWeek > Calendar.SATURDAY) { throw new IllegalArgumentException("Value must be between Calendar.SUNDAY and " + "Calendar.SATURDAY"); } mWeekStart = startOfWeek; mWeekStartEnd = startWeekEnd; if (mDayPickerView != null) { mDayPickerView.onChange(); } if (mDayPickerViewEnd != null) { mDayPickerViewEnd.onChange(); } } @SuppressWarnings("unused") public void setYearRange(int startYear, int endYear) { if (endYear < startYear) { throw new IllegalArgumentException("Year end must be larger than or equal to year start"); } mMinYear = startYear; mMaxYear = endYear; if (mDayPickerView != null && mDayPickerViewEnd != null) { mDayPickerView.onChange(); mDayPickerViewEnd.onChange(); } } /** * Sets the minimal date supported by this DatePicker. Dates before (but not including) the * specified date will be disallowed from being selected. * @param calendar a Calendar object set to the year, month, day desired as the mindate. */ @SuppressWarnings("unused") public void setMinDate(Calendar calendar) { mMinDate = calendar; if (mDayPickerView != null && mDayPickerViewEnd != null) { mDayPickerView.onChange(); mDayPickerViewEnd.onChange(); } } /** * @return The minimal date supported by this DatePicker. Null if it has not been set. */ @Override public Calendar getMinDate() { return mMinDate; } /** * Sets the minimal date supported by this DatePicker. Dates after (but not including) the * specified date will be disallowed from being selected. * @param calendar a Calendar object set to the year, month, day desired as the maxdate. */ @SuppressWarnings("unused") public void setMaxDate(Calendar calendar) { mMaxDate = calendar; if (mDayPickerView != null && mDayPickerViewEnd != null) { mDayPickerView.onChange(); mDayPickerViewEnd.onChange(); } } /** * @return The maximal date supported by this DatePicker. Null if it has not been set. */ @Override public Calendar getMaxDate() { return mMaxDate; } /** * Sets an array of dates which should be highlighted when the picker is drawn * This will turn off auto highlighting. * @param highlightedDays an Array of Calendar objects containing the dates to be highlighted */ @SuppressWarnings("unused") public void setHighlightedDays(Calendar[] highlightedDays, Calendar[] highlightedDaysEnd) { mAutoHighlight = false; // Sort the array to optimize searching over it later on Arrays.sort(highlightedDays); Arrays.sort(highlightedDaysEnd); this.highlightedDays = highlightedDays; this.highlightedDaysEnd = highlightedDaysEnd; } /** * @return The list of dates, as Calendar Objects, which should be highlighted. null is no dates should be highlighted */ @Override public Calendar[] getHighlightedDays() { return highlightedDays; } /** * Set's a list of days which are the only valid selections. * Setting this value will take precedence over using setMinDate() and setMaxDate() * @param selectableDays an Array of Calendar Objects containing the selectable dates */ @SuppressWarnings("unused") public void setSelectableDays(Calendar[] selectableDays) { // Sort the array to optimize searching over it later on Arrays.sort(selectableDays); this.selectableDays = selectableDays; } @SuppressWarnings("unused") public void setSelectableDaysEnd(Calendar[] selectableDaysEnd) { // Sort the array to optimize searching over it later on Arrays.sort(selectableDaysEnd); this.selectableDaysEnd = selectableDaysEnd; } /** * @return an Array of Calendar objects containing the list with selectable items. null if no restriction is set */ @Override public Calendar[] getSelectableDays() { return selectableDays; } @SuppressWarnings("unused") public void setOnDateSetListener(OnDateSetListener listener) { mCallBack = listener; } @SuppressWarnings("unused") public void setOnCancelListener(DialogInterface.OnCancelListener onCancelListener) { mOnCancelListener = onCancelListener; } @SuppressWarnings("unused") public void setOnDismissListener(DialogInterface.OnDismissListener onDismissListener) { mOnDismissListener = onDismissListener; } // If the newly selected month / year does not contain the currently selected day number, // change the selected day number to the last day of the selected month or year. // e.g. Switching from Mar to Apr when Mar 31 is selected -> Apr 30 // e.g. Switching from 2012 to 2013 when Feb 29, 2012 is selected -> Feb 28, 2013 private void adjustDayInMonthIfNeeded(Calendar calendar) { int day = calendar.get(Calendar.DAY_OF_MONTH); int daysInMonth = calendar.getActualMaximum(Calendar.DAY_OF_MONTH); if (day > daysInMonth) { calendar.set(Calendar.DAY_OF_MONTH, daysInMonth); } } @Override public void onClick(View v) { tryVibrate(); if (v.getId() == R.id.date_picker_year || v.getId() == R.id.date_picker_year_end) { setCurrentView(YEAR_VIEW); } else if (v.getId() == R.id.date_picker_month_and_day || v.getId() == R.id.date_picker_month_and_day_end) { setCurrentView(MONTH_AND_DAY_VIEW); } } @Override public void onYearSelected(int year) { adjustDayInMonthIfNeeded(mCalendar); adjustDayInMonthIfNeeded(mCalendarEnd); if (tabHost.getCurrentTab() == 0) { mCalendar.set(Calendar.YEAR, year); } else { mCalendarEnd.set(Calendar.YEAR, year); } updatePickers(); setCurrentView(MONTH_AND_DAY_VIEW); updateDisplay(true); } @Override public void onDayOfMonthSelected(int year, int month, int day) { if (tabHost.getCurrentTab() == 0) { mCalendar.set(Calendar.YEAR, year); mCalendar.set(Calendar.MONTH, month); mCalendar.set(Calendar.DAY_OF_MONTH, day); } else { mCalendarEnd.set(Calendar.YEAR, year); mCalendarEnd.set(Calendar.MONTH, month); mCalendarEnd.set(Calendar.DAY_OF_MONTH, day); } if (mAutoHighlight) { calculateHighlightedDays(); } updatePickers(); updateDisplay(true); } private void calculateHighlightedDays() { int numDays = (int) Math.round((mCalendarEnd.getTimeInMillis() - mCalendar.getTimeInMillis()) / 86400000d); // In case user chooses an end day before the start day. int dir = 1; if (numDays < 0) { dir = -1; } numDays = Math.abs(numDays); // +1 to account for the end day which should be highlighted as well highlightedDays = new Calendar[numDays + 1]; for (int i = 0; i < numDays; i++) { highlightedDays[i] = new GregorianCalendar(mCalendar.get(Calendar.YEAR), mCalendar.get(Calendar.MONTH), mCalendar.get(Calendar.DAY_OF_MONTH)); highlightedDays[i].add(Calendar.DAY_OF_MONTH, i * dir); } highlightedDays[numDays] = mCalendarEnd; highlightedDaysEnd = highlightedDays; } private void updatePickers() { for (OnDateChangedListener listener : mListeners) listener.onDateChanged(); } @Override public com.borax12.materialdaterangepicker.date.MonthAdapter.CalendarDay getSelectedDay() { if (tabHost.getCurrentTab() == 0) { return new com.borax12.materialdaterangepicker.date.MonthAdapter.CalendarDay(mCalendar); } else { return new com.borax12.materialdaterangepicker.date.MonthAdapter.CalendarDay(mCalendarEnd); } } @Override public int getMinYear() { if (selectableDays != null) return selectableDays[0].get(Calendar.YEAR); // Ensure no years can be selected outside of the given minimum date return mMinDate != null && mMinDate.get(Calendar.YEAR) > mMinYear ? mMinDate.get(Calendar.YEAR) : mMinYear; } @Override public int getMaxYear() { if (selectableDays != null) return selectableDays[selectableDays.length - 1].get(Calendar.YEAR); // Ensure no years can be selected outside of the given maximum date return mMaxDate != null && mMaxDate.get(Calendar.YEAR) < mMaxYear ? mMaxDate.get(Calendar.YEAR) : mMaxYear; } @Override public int getFirstDayOfWeek() { return mWeekStart; } @Override public void registerOnDateChangedListener(OnDateChangedListener listener) { mListeners.add(listener); } @Override public void unregisterOnDateChangedListener(OnDateChangedListener listener) { mListeners.remove(listener); } @Override public void tryVibrate() { if (mVibrate) mHapticFeedbackController.tryVibrate(); } /** * setStartTitle * @param startTitle the title to display for start panel */ public void setStartTitle(String startTitle) { this.startTitle = startTitle; } /** * setEndTitle * @param endTitle the title to display for end panel */ public void setEndTitle(String endTitle) { this.endTitle = endTitle; } }