/
DayViewDecorator.java
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/
DayViewDecorator.java
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/*
* Copyright 2022 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.google.android.material.datepicker;
import android.content.Context;
import android.content.res.ColorStateList;
import android.graphics.drawable.Drawable;
import android.os.Parcelable;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
/**
* A decorator which allows customizing the day of month views within a {@link MaterialDatePicker}.
*/
public abstract class DayViewDecorator implements Parcelable {
/**
* Optionally override this method to do any initializing for your {@code DayViewDecorator}
* instance.
*
* <p>This method will be called whenever the date picker view is created, which can be important
* if, e.g., your decorator's compound drawables are dependent on configurations such as screen
* orientation.
*/
public void initialize(@NonNull Context context) {}
/**
* Override this method to return a left compound drawable for the day view corresponding to the
* provided date.
*
* @param context The context of the day view
* @param year The year number corresponding to the day view (see {@link java.util.Calendar.YEAR})
* @param month The month number (0-11) corresponding to the day view (see {@link
* java.util.Calendar.MONTH})
* @param day The day of month number corresponding to the day view (see {@link
* java.util.Calendar.DAY_OF_MONTH})
* @param valid Boolean for whether the day view is in a valid state (if not valid, the day view
* will likely look and behave disabled)
* @param selected Boolean for whether the day view is in a selected state (if selected, the day
* view will likely have a filled color background)
* @return The left compound drawable or null
*/
@Nullable
public Drawable getCompoundDrawableLeft(
@NonNull Context context, int year, int month, int day, boolean valid, boolean selected) {
return null;
}
/**
* Override this method to return a top compound drawable for the day view corresponding to the
* provided date.
*
* @param context The context of the day view
* @param year The year number corresponding to the day view (see {@link java.util.Calendar.YEAR})
* @param month The month number (0-11) corresponding to the day view (see {@link
* java.util.Calendar.MONTH})
* @param day The day of month number corresponding to the day view (see {@link
* java.util.Calendar.DAY_OF_MONTH})
* @param valid Boolean for whether the day view is in a valid state (if not valid, the day view
* will likely look and behave disabled)
* @param selected Boolean for whether the day view is in a selected state (if selected, the day
* view will likely have a filled color background)
* @return The top compound drawable or null
*/
@Nullable
public Drawable getCompoundDrawableTop(
@NonNull Context context, int year, int month, int day, boolean valid, boolean selected) {
return null;
}
/**
* Override this method to return a right compound drawable for the day view corresponding to the
* provided date.
*
* @param context The context of the day view
* @param year The year number corresponding to the day view (see {@link java.util.Calendar.YEAR})
* @param month The month number (0-11) corresponding to the day view (see {@link
* java.util.Calendar.MONTH})
* @param day The day of month number corresponding to the day view (see {@link
* java.util.Calendar.DAY_OF_MONTH})
* @param valid Boolean for whether the day view is in a valid state (if not valid, the day view
* will likely look and behave disabled)
* @param selected Boolean for whether the day view is in a selected state (if selected, the day
* view will likely have a filled color background)
* @return The right compound drawable or null
*/
@Nullable
public Drawable getCompoundDrawableRight(
@NonNull Context context, int year, int month, int day, boolean valid, boolean selected) {
return null;
}
/**
* Override this method to return a bottom compound drawable for the day view corresponding to the
* provided date.
*
* @param context The context of the day view
* @param year The year number corresponding to the day view (see {@link java.util.Calendar.YEAR})
* @param month The month number (0-11) corresponding to the day view (see {@link
* java.util.Calendar.MONTH})
* @param day The day of month number corresponding to the day view (see {@link
* java.util.Calendar.DAY_OF_MONTH})
* @param valid Boolean for whether the day view is in a valid state (if not valid, the day view
* will likely look and behave disabled)
* @param selected Boolean for whether the day view is in a selected state (if selected, the day
* view will likely have a filled color background)
* @return The bottom compound drawable or null
*/
@Nullable
public Drawable getCompoundDrawableBottom(
@NonNull Context context, int year, int month, int day, boolean valid, boolean selected) {
return null;
}
/**
* Override this method to return a custom color to be applied to the background drawable of the
* day view corresponding to the provided date.
*
* @param context The context of the day view
* @param year The year number corresponding to the day view (see {@link java.util.Calendar.YEAR})
* @param month The month number (0-11) corresponding to the day view (see {@link
* java.util.Calendar.MONTH})
* @param day The day of month number corresponding to the day view (see {@link
* java.util.Calendar.DAY_OF_MONTH})
* @param valid Boolean for whether the day view is in a valid state (if not valid, the day view
* will likely look and behave disabled)
* @param selected Boolean for whether the day view is in a selected state (if selected, the day
* view will likely have a filled color background)
* @return The background color {@link ColorStateList} or null
*/
@Nullable
public ColorStateList getBackgroundColor(
@NonNull Context context, int year, int month, int day, boolean valid, boolean selected) {
return null;
}
/**
* Override this method to return a custom color to be applied to the text of the day view
* corresponding to the provided date.
*
* @param context The context of the day view
* @param year The year number corresponding to the day view (see {@link java.util.Calendar.YEAR})
* @param month The month number (0-11) corresponding to the day view (see {@link
* java.util.Calendar.MONTH})
* @param day The day of month number corresponding to the day view (see {@link
* java.util.Calendar.DAY_OF_MONTH})
* @param valid Boolean for whether the day view is in a valid state (if not valid, the day view
* will likely look and behave disabled)
* @param selected Boolean for whether the day view is in a selected state (if selected, the day
* view will likely have a filled color background)
* @return The text color {@link ColorStateList} or null
*/
@Nullable
public ColorStateList getTextColor(
@NonNull Context context, int year, int month, int day, boolean valid, boolean selected) {
return null;
}
/**
* Override this method to return the day view's content description.
*
* @param context The context of the day view
* @param year The year number corresponding to the day view (see {@link java.util.Calendar.YEAR})
* @param month The month number (0-11) corresponding to the day view (see {@link
* java.util.Calendar.MONTH})
* @param day The day of month number corresponding to the day view (see {@link
* java.util.Calendar.DAY_OF_MONTH})
* @param valid Boolean for whether the day view is in a valid state (if not valid, the day view
* will likely look and behave disabled)
* @param selected Boolean for whether the day view is in a selected state (if selected, the day
* view will likely have a filled color background)
* @param originalContentDescription The original day view's content description
* @return The content description
*/
@Nullable
public CharSequence getContentDescription(
@NonNull Context context,
int year,
int month,
int day,
boolean valid,
boolean selected,
@Nullable CharSequence originalContentDescription) {
return originalContentDescription;
}
}