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.leavjenn.smoothdaterangepicker.date; import android.animation.ObjectAnimator; import android.app.Activity; import android.support.v4.app.DialogFragment; import android.content.DialogInterface; import android.content.res.Resources; import android.graphics.PorterDuff; import android.os.Bundle; import android.support.annotation.NonNull; import android.text.InputType; import android.text.format.DateUtils; import android.util.Log; 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.EditText; import android.widget.LinearLayout; import android.widget.TextView; import com.leavjenn.smoothdaterangepicker.HapticFeedbackController; import com.leavjenn.smoothdaterangepicker.R; import com.leavjenn.smoothdaterangepicker.TypefaceHelper; import com.leavjenn.smoothdaterangepicker.Utils; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Calendar; import java.util.HashSet; import java.util.List; import java.util.Locale; /** * Dialog allowing users to select a date. */ public class SmoothDateRangePickerFragment extends DialogFragment implements OnClickListener, SmoothDateRangePickerController { private static final String TAG = "SmoothDateRangePickerFragment"; 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 int MONTH_AND_DAY_VIEW_END = 2; private static final int YEAR_VIEW_END = 3; private static final int DURATION_VIEW = 4; private static final String KEY_SELECTED_YEAR = "selected_year"; private static final String KEY_SELECTED_YEAR_END = "selected_year_end"; private static final String KEY_SELECTED_MONTH = "selected_month"; private static final String KEY_SELECTED_MONTH_END = "selected_month_end"; private static final String KEY_SELECTED_DAY = "selected_day"; private static final String KEY_SELECTED_DAY_END = "selected_day_end"; private static final String KEY_DURATION_DAYS = "duration_days"; 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_YEAR_START = "year_start"; private static final String KEY_YEAR_END = "year_end"; private static final String KEY_CURRENT_VIEW = "current_view"; 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_MIN_DATE_SELECTABLE = "min_date_end"; 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_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 OnDateRangeSetListener mCallBack; private HashSet<OnDateChangedListener> mListeners = new HashSet<>(); private DialogInterface.OnCancelListener mOnCancelListener; private DialogInterface.OnDismissListener mOnDismissListener; private AccessibleDateAnimator mAnimator; private TextView mDayOfWeekView; private LinearLayout mMonthAndDayView; private TextView mSelectedMonthTextView; private TextView mSelectedDayTextView; private TextView mYearView; private DayPickerView mDayPickerView; private YearPickerView mYearPickerView; private TextView mDayOfWeekViewEnd; private LinearLayout mMonthAndDayViewEnd; private TextView mSelectedMonthTextViewEnd; private TextView mSelectedDayTextViewEnd; private TextView mYearViewEnd; private SimpleDayPickerView mDayPickerViewEnd; private YearPickerView mYearPickerViewEnd; private List<View> viewList; private LinearLayout mDurationView; private TextView mDurationTextView; private EditText mDurationEditText; private TextView mDurationDayTextView; private TextView mDurationArrow; private TextView mDurationArrowEnd; private NumberPadView mNumberPadView; private int mCurrentView = UNINITIALIZED; private int mWeekStart = mCalendar.getFirstDayOfWeek(); private int mMinYear = DEFAULT_START_YEAR; private int mMaxYear = DEFAULT_END_YEAR; private Calendar mMinDate; private Calendar mMinSelectableDate; private Calendar mMaxDate; private Calendar[] highlightedDays; private Calendar[] selectableDays; private int mDuration; 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; /** * The callback used to indicate the user is done filling in the date. */ public interface OnDateRangeSetListener { /** * @param view The view associated with this listener. * @param yearStart The start year that was set. * @param monthStart The start month that was set (0-11) for compatibility * with {@link Calendar}. * @param dayStart The start day of the month that was set. * @param yearEnd The end year that was set. * @param monthEnd The end month that was set (0-11) for compatibility * with {@link Calendar}. * @param dayEnd The end day of the month that was set. */ void onDateRangeSet(SmoothDateRangePickerFragment view, int yearStart, int monthStart, int dayStart, int yearEnd, int monthEnd, int dayEnd); } /** * The callback used to notify other date picker components of a change in selected date. */ public interface OnDateChangedListener { void onDateChanged(); } public SmoothDateRangePickerFragment() { // 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 SmoothDateRangePickerFragment newInstance(OnDateRangeSetListener callBack, int year, int monthOfYear, int dayOfMonth) { SmoothDateRangePickerFragment ret = new SmoothDateRangePickerFragment(); ret.initialize(callBack, year, monthOfYear, dayOfMonth); return ret; } /** * @param callBack How the parent is notified that the date is set. * the initial date is set to today */ public static SmoothDateRangePickerFragment newInstance(OnDateRangeSetListener callBack) { SmoothDateRangePickerFragment ret = new SmoothDateRangePickerFragment(); Calendar todayCal = Calendar.getInstance(); ret.initialize(callBack, todayCal.get(Calendar.YEAR), todayCal.get(Calendar.MONTH), todayCal.get(Calendar.DAY_OF_MONTH)); return ret; } public void initialize(OnDateRangeSetListener callBack, int year, int monthOfYear, int dayOfMonth) { mCallBack = callBack; mCalendar.set(Calendar.YEAR, year); mCalendar.set(Calendar.MONTH, monthOfYear); mCalendar.set(Calendar.DAY_OF_MONTH, dayOfMonth); mCalendarEnd.set(Calendar.YEAR, year); mCalendarEnd.set(Calendar.MONTH, monthOfYear); mCalendarEnd.set(Calendar.DAY_OF_MONTH, dayOfMonth); 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_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_YEAR_START, mMinYear); outState.putInt(KEY_YEAR_END, mMaxYear); outState.putInt(KEY_WEEK_START, mWeekStart); outState.putInt(KEY_CURRENT_VIEW, mCurrentView); int listPosition = -1; int listPositionEnd = -1; if (mCurrentView == MONTH_AND_DAY_VIEW) { listPosition = mDayPickerView.getMostVisiblePosition(); } else if (mCurrentView == YEAR_VIEW) { listPosition = mYearPickerView.getFirstVisiblePosition(); outState.putInt(KEY_LIST_POSITION_OFFSET, mYearPickerView.getFirstPositionOffset()); } else if (mCurrentView == MONTH_AND_DAY_VIEW_END) { listPositionEnd = mDayPickerViewEnd.getMostVisiblePosition(); } else if (mCurrentView == YEAR_VIEW_END) { listPositionEnd = mYearPickerViewEnd.getFirstVisiblePosition(); 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_SELECTABLE, mMinSelectableDate); outState.putSerializable(KEY_HIGHLIGHTED_DAYS, highlightedDays); outState.putSerializable(KEY_SELECTABLE_DAYS, selectableDays); 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) { // Log.d(TAG, "onCreateView: "); getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE); View view = inflater.inflate(R.layout.sdrp_dialog, container); mDayOfWeekView = (TextView) view.findViewById(R.id.date_picker_header); mDayOfWeekViewEnd = (TextView) view.findViewById(R.id.date_picker_header_end); 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); mDurationView = (LinearLayout) view.findViewById(R.id.date_picker_duration_layout); mDurationView.setOnClickListener(this); mDurationTextView = (TextView) view.findViewById(R.id.date_picker_duration_days); mDurationEditText = (EditText) view.findViewById(R.id.date_picker_duration_days_et); // disable soft keyboard popup when edittext is selected mDurationEditText.setRawInputType(InputType.TYPE_CLASS_TEXT); mDurationEditText.setTextIsSelectable(true); mDurationDayTextView = (TextView) view.findViewById(R.id.tv_duration_day); mDurationArrow = (TextView) view.findViewById(R.id.arrow_start); mDurationArrow.setOnClickListener(this); mDurationArrowEnd = (TextView) view.findViewById(R.id.arrow_end); mDurationArrowEnd.setOnClickListener(this); viewList = new ArrayList<>(); viewList.add(MONTH_AND_DAY_VIEW, mMonthAndDayView); viewList.add(YEAR_VIEW, mYearView); viewList.add(MONTH_AND_DAY_VIEW_END, mMonthAndDayViewEnd); viewList.add(YEAR_VIEW_END, mYearViewEnd); viewList.add(DURATION_VIEW, mDurationView); int listPosition = -1; int listPositionOffset = 0; int listPositionEnd = -1; int listPositionOffsetEnd = 0; int currentView = MONTH_AND_DAY_VIEW; if (savedInstanceState != null) { mWeekStart = savedInstanceState.getInt(KEY_WEEK_START); mMinYear = savedInstanceState.getInt(KEY_YEAR_START); mMaxYear = savedInstanceState.getInt(KEY_YEAR_END); currentView = savedInstanceState.getInt(KEY_CURRENT_VIEW); 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); mMinSelectableDate = (Calendar) savedInstanceState.getSerializable(KEY_MIN_DATE_SELECTABLE); highlightedDays = (Calendar[]) savedInstanceState.getSerializable(KEY_HIGHLIGHTED_DAYS); selectableDays = (Calendar[]) savedInstanceState.getSerializable(KEY_SELECTABLE_DAYS); mThemeDark = savedInstanceState.getBoolean(KEY_THEME_DARK); mAccentColor = savedInstanceState.getInt(KEY_ACCENT); mVibrate = savedInstanceState.getBoolean(KEY_VIBRATE); mDismissOnPause = savedInstanceState.getBoolean(KEY_DISMISS); } final Activity activity = getActivity(); mDayPickerView = new SimpleDayPickerView(activity, this); mYearPickerView = new YearPickerView(activity, this); mDayPickerViewEnd = new SimpleDayPickerView(activity, this); mYearPickerViewEnd = new YearPickerView(activity, this); mNumberPadView = new NumberPadView(activity, this); Resources res = getResources(); mDayPickerDescription = res.getString(R.string.mdtp_day_picker_description); mSelectDay = res.getString(R.string.mdtp_select_day); mYearPickerDescription = res.getString(R.string.mdtp_year_picker_description); mSelectYear = res.getString(R.string.mdtp_select_year); int bgColorResource = mThemeDark ? R.color.mdtp_date_picker_view_animator_dark_theme : R.color.mdtp_date_picker_view_animator; view.setBackgroundColor(activity.getResources().getColor(bgColorResource)); if (mThemeDark) { view.findViewById(R.id.hyphen).setBackgroundColor( activity.getResources().getColor(R.color.date_picker_selector_unselected_dark_theme)); Utils.setMultiTextColorList(activity.getResources().getColorStateList(R.color.sdrp_selector_dark), mDayOfWeekView, mDayOfWeekViewEnd, mSelectedMonthTextView, mSelectedMonthTextViewEnd, mSelectedDayTextView, mSelectedDayTextViewEnd, mYearView, mYearViewEnd, mDurationTextView, mDurationDayTextView, mDurationArrow, mDurationArrowEnd, mDurationEditText, (TextView) view.findViewById(R.id.tv_duration)); } mAnimator = (AccessibleDateAnimator) view.findViewById(R.id.animator); mAnimator.addView(mDayPickerView); mAnimator.addView(mYearPickerView); mAnimator.addView(mDayPickerViewEnd); mAnimator.addView(mYearPickerViewEnd); mAnimator.addView(mNumberPadView); mAnimator.setDateMillis(mCalendar.getTimeInMillis()); Animation animation = new AlphaAnimation(0.0f, 1.0f); animation.setDuration(ANIMATION_DURATION); mAnimator.setInAnimation(animation); Animation animation2 = new AlphaAnimation(1.0f, 0.0f); animation2.setDuration(ANIMATION_DURATION); mAnimator.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.onDateRangeSet(SmoothDateRangePickerFragment.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(mAccentColor); if (mDayOfWeekViewEnd != null) mDayOfWeekViewEnd.setBackgroundColor(mAccentColor); view.findViewById(R.id.layout_container).setBackgroundColor(mAccentColor); view.findViewById(R.id.day_picker_selected_date_layout).setBackgroundColor(mAccentColor); view.findViewById(R.id.day_picker_selected_date_layout_end).setBackgroundColor(mAccentColor); mDurationView.setBackgroundColor(mAccentColor); mDurationEditText.setHighlightColor(Utils.darkenColor(mAccentColor)); mDurationEditText.getBackground().setColorFilter(Utils.darkenColor(mAccentColor), PorterDuff.Mode.SRC_ATOP); 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 (currentView == MONTH_AND_DAY_VIEW_END) { mDayPickerViewEnd.postSetSelection(listPositionEnd); } else if (currentView == YEAR_VIEW_END) { mYearPickerViewEnd.postSetSelectionFromTop(listPositionEnd, listPositionOffsetEnd); } } mHapticFeedbackController = new HapticFeedbackController(activity); 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); } private void setCurrentView(final int viewIndex) { long millis = mCalendar.getTimeInMillis(); long millisEnd = mCalendarEnd.getTimeInMillis(); if (viewIndex != DURATION_VIEW) { if (mCurrentView != viewIndex) { setViewSelected(viewList.get(viewIndex)); mAnimator.setDisplayedChild(viewIndex); mDurationTextView.setVisibility(View.VISIBLE); mDurationEditText.setVisibility(View.GONE); mDurationArrow.setVisibility(View.GONE); mDurationArrowEnd.setVisibility(View.GONE); } } switch (viewIndex) { case MONTH_AND_DAY_VIEW: mMinSelectableDate = mMinDate; mDayPickerView.onDateChanged(); int flags = DateUtils.FORMAT_SHOW_DATE; String dayString = DateUtils.formatDateTime(getActivity(), millis, flags); mAnimator.setContentDescription(mDayPickerDescription + ": " + dayString); Utils.tryAccessibilityAnnounce(mAnimator, mSelectDay); break; case MONTH_AND_DAY_VIEW_END: mMinSelectableDate = mCalendar; mDayPickerViewEnd.onDateChanged(); flags = DateUtils.FORMAT_SHOW_DATE; String dayStringEnd = DateUtils.formatDateTime(getActivity(), millisEnd, flags); mAnimator.setContentDescription(mDayPickerDescription + ": " + dayStringEnd); Utils.tryAccessibilityAnnounce(mAnimator, mSelectDay); break; case YEAR_VIEW: mMinSelectableDate = mMinDate; mYearPickerView.onDateChanged(); mYearPickerView.refreshYearAdapter(); CharSequence yearString = YEAR_FORMAT.format(millis); mAnimator.setContentDescription(mYearPickerDescription + ": " + yearString); Utils.tryAccessibilityAnnounce(mAnimator, mSelectYear); break; case YEAR_VIEW_END: mMinSelectableDate = mCalendar; mYearPickerViewEnd.onDateChanged(); mYearPickerViewEnd.refreshYearAdapter(); CharSequence yearStringEnd = YEAR_FORMAT.format(millisEnd); mAnimator.setContentDescription(mYearPickerDescription + ": " + yearStringEnd); Utils.tryAccessibilityAnnounce(mAnimator, mSelectYear); break; case DURATION_VIEW: if (mCurrentView == YEAR_VIEW || mCurrentView == MONTH_AND_DAY_VIEW || mDurationArrow.getVisibility() == View.VISIBLE) { setViewSelected(mMonthAndDayView, mYearView, mDurationView); mDurationArrow.setVisibility(View.GONE); mDurationArrowEnd.setVisibility(View.VISIBLE); } else if (mCurrentView == YEAR_VIEW_END || mCurrentView == MONTH_AND_DAY_VIEW_END || mDurationArrowEnd.getVisibility() == View.VISIBLE) { setViewSelected(mMonthAndDayViewEnd, mYearViewEnd, mDurationView); mDurationArrow.setVisibility(View.VISIBLE); mDurationArrowEnd.setVisibility(View.GONE); } mAnimator.setDisplayedChild(DURATION_VIEW); mDurationTextView.setVisibility(View.GONE); mDurationEditText.setVisibility(View.VISIBLE); mDurationEditText.requestFocus(); mDurationEditText.setText(String.valueOf(Utils.daysBetween(mCalendar, mCalendarEnd))); mDurationEditText.selectAll(); //TODO Accessibility break; } mCurrentView = viewIndex; } private void setViewSelected(View... views) { mMonthAndDayView.setSelected(false); mMonthAndDayViewEnd.setSelected(false); mYearView.setSelected(false); mYearViewEnd.setSelected(false); mDurationView.setSelected(false); for (View view : views) { view.setSelected(true); if (view != mDurationView) { // disable DurationView animation ObjectAnimator pulseAnimator = Utils.getPulseAnimator(view, 0.9f, 1.05f); if (mDelayAnimation) { pulseAnimator.setStartDelay(ANIMATION_DELAY); mDelayAnimation = false; } pulseAnimator.start(); } } } private void updateDisplay(boolean announce) { if (mDayOfWeekView != null && mDayOfWeekViewEnd != null) { mDayOfWeekView .setText(mCalendar.getDisplayName(Calendar.DAY_OF_WEEK, Calendar.LONG, Locale.getDefault()) .toUpperCase(Locale.getDefault())); mDayOfWeekViewEnd .setText(mCalendarEnd.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())); mDuration = Utils.daysBetween(mCalendar, mCalendarEnd); mDurationTextView.setText(String.valueOf(mDuration)); mDurationDayTextView.setText(mDuration > 1 ? getString(R.string.days) : getString(R.string.day)); // Accessibility. long millis = mCalendar.getTimeInMillis(); long millisEnd = mCalendarEnd.getTimeInMillis(); mAnimator.setDateMillis(millis); 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); } } /** * 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; 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; } /** * @return The minimal date can be selected by this DatePicker. return mMinDate if * mMonthAndDayView is showing. */ @Override public Calendar getMinSelectableDate() { return mMinSelectableDate; } /** * 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; } // update highlight days private void updateHighlightDays() { List<Calendar> highlightList = new ArrayList<>(); for (int i = 0; i < Utils.daysBetween(mCalendar, mCalendarEnd) + 1; i++) { Calendar c = Calendar.getInstance(); c.setTime(mCalendar.getTime()); c.add(Calendar.DAY_OF_YEAR, i); highlightList.add(c); } Calendar[] calendars = highlightList.toArray(new Calendar[highlightList.size()]); setHighlightedDays(calendars); } /** * Sets an array of dates which should be highlighted when the picker is drawn * * @param highlightedDays an Array of Calendar objects containing the dates to be highlighted */ public void setHighlightedDays(Calendar[] highlightedDays) { // Sort the array to optimize searching over it later on Arrays.sort(highlightedDays); this.highlightedDays = highlightedDays; } /** * @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; } /** * @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(OnDateRangeSetListener 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(); int i = v.getId(); if (i == R.id.date_picker_year) { setCurrentView(YEAR_VIEW); } else if (i == R.id.date_picker_year_end) { setCurrentView(YEAR_VIEW_END); } else if (i == R.id.date_picker_month_and_day) { setCurrentView(MONTH_AND_DAY_VIEW); } else if (i == R.id.date_picker_month_and_day_end) { setCurrentView(MONTH_AND_DAY_VIEW_END); } else if (i == R.id.date_picker_duration_layout || i == R.id.arrow_start || i == R.id.arrow_end) { setCurrentView(DURATION_VIEW); } } @Override public void onYearSelected(int year) { updatePickers(); if (mCurrentView == YEAR_VIEW) { adjustDayInMonthIfNeeded(mCalendar); mCalendar.set(Calendar.YEAR, year); //make sure start date always after min date and before max date if (getMinDate() != null && mCalendar.before(getMinDate())) { mCalendar.setTime(getMinDate().getTime()); } else if (getMaxDate() != null && mCalendar.after(getMaxDate())) { mCalendar.setTime(getMaxDate().getTime()); } if (mCalendar.after(mCalendarEnd)) { //make sure end date always after start date mCalendarEnd.setTime(mCalendar.getTime()); } setCurrentView(MONTH_AND_DAY_VIEW); } else if (mCurrentView == YEAR_VIEW_END) { adjustDayInMonthIfNeeded(mCalendarEnd); mCalendarEnd.set(Calendar.YEAR, year); //make sure end date always after min date and before max date if (getMinDate() != null && mCalendarEnd.before(getMinDate())) { mCalendarEnd.setTime(getMinDate().getTime()); } else if (getMaxDate() != null && mCalendarEnd.after(getMaxDate())) { mCalendarEnd.setTime(getMaxDate().getTime()); } if (mCalendar.after(mCalendarEnd)) { //make sure end date always after start date mCalendarEnd.setTime(mCalendar.getTime()); } setCurrentView(MONTH_AND_DAY_VIEW_END); } updateHighlightDays(); updateDisplay(true); } @Override public void onDayOfMonthSelected(int year, int month, int day) { if (mCurrentView == MONTH_AND_DAY_VIEW) { mCalendar.set(Calendar.YEAR, year); mCalendar.set(Calendar.MONTH, month); mCalendar.set(Calendar.DAY_OF_MONTH, day); if (mCalendar.after(mCalendarEnd)) { mCalendarEnd.setTime(mCalendar.getTime()); } // jump to end day selector setCurrentView(MONTH_AND_DAY_VIEW_END); } else if (mCurrentView == MONTH_AND_DAY_VIEW_END) { mCalendarEnd.set(Calendar.YEAR, year); mCalendarEnd.set(Calendar.MONTH, month); mCalendarEnd.set(Calendar.DAY_OF_MONTH, day); } updatePickers(); updateHighlightDays(); updateDisplay(true); } @Override public void onDurationChanged(int num) { if (num >= 0) { Calendar limitDay = Calendar.getInstance(); int limitDuration; if (mMonthAndDayView.isSelected()) { limitDay.set(1900, 0, 1); limitDuration = Utils.daysBetween(limitDay, mCalendarEnd) + 1; } else { limitDay.set(2100, 11, 31); limitDuration = Utils.daysBetween(mCalendar, limitDay); } if (mDurationEditText.hasSelection()) { mDuration = num; } else { mDuration = mDuration * 10 + num > limitDuration ? limitDuration : mDuration * 10 + num; } } else if (num == -1) { //del mDuration = (mDuration > 0) ? mDuration / 10 : mDuration; } else if (num == -2) { // delete all mDuration = 0; } mDurationEditText.setText(String.valueOf(mDuration)); mDurationEditText.setSelection(String.valueOf(mDuration).length()); if (mMonthAndDayView.isSelected()) { mCalendar.setTime(mCalendarEnd.getTime()); mCalendar.add(Calendar.DATE, -mDuration); } else { mCalendarEnd.setTime(mCalendar.getTime()); mCalendarEnd.add(Calendar.DATE, mDuration); } updateHighlightDays(); updateDisplay(true); } private void updatePickers() { for (OnDateChangedListener listener : mListeners) listener.onDateChanged(); } @Override public MonthAdapter.CalendarDay getSelectedDay() { if (mYearView.isSelected() || mMonthAndDayView.isSelected()) { return new MonthAdapter.CalendarDay(mCalendar); } else { return new 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 getMinSelectableYear() { if (selectableDays != null) return selectableDays[0].get(Calendar.YEAR); // Ensure no years can be selected outside of the given minimum date return mMinSelectableDate != null && mMinSelectableDate.get(Calendar.YEAR) > mMinYear ? mMinSelectableDate.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(); } }