mirror of
https://github.com/material-components/material-components-android.git
synced 2026-01-16 18:01:42 +08:00
118 lines
3.8 KiB
Java
118 lines
3.8 KiB
Java
/*
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* Copyright 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.android.material.drawable;
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import android.annotation.SuppressLint;
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import android.annotation.TargetApi;
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import android.content.Context;
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import android.content.res.ColorStateList;
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import android.content.res.Resources.NotFoundException;
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import android.graphics.Color;
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import android.graphics.PorterDuff;
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import android.graphics.PorterDuffColorFilter;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.RippleDrawable;
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import android.os.Build.VERSION;
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import android.os.Build.VERSION_CODES;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.RestrictTo;
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import androidx.annotation.RestrictTo.Scope;
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import androidx.annotation.XmlRes;
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import android.text.TextUtils;
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import android.util.AttributeSet;
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import android.util.Xml;
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import java.io.IOException;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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/**
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* Utils class for Drawables.
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*
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* @hide
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*/
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@RestrictTo(Scope.LIBRARY_GROUP)
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public final class DrawableUtils {
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private DrawableUtils() {}
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/** Returns a tint filter for the given tint and mode. */
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@Nullable
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public static PorterDuffColorFilter updateTintFilter(
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@NonNull Drawable drawable,
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@Nullable ColorStateList tint,
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@Nullable PorterDuff.Mode tintMode) {
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if (tint == null || tintMode == null) {
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return null;
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}
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final int color = tint.getColorForState(drawable.getState(), Color.TRANSPARENT);
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return new PorterDuffColorFilter(color, tintMode);
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}
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@NonNull
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public static AttributeSet parseDrawableXml(
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@NonNull Context context, @XmlRes int id, @NonNull CharSequence startTag) {
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try {
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XmlPullParser parser = context.getResources().getXml(id);
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int type;
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do {
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type = parser.next();
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} while (type != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT);
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if (type != XmlPullParser.START_TAG) {
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throw new XmlPullParserException("No start tag found");
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}
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if (!TextUtils.equals(parser.getName(), startTag)) {
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throw new XmlPullParserException("Must have a <" + startTag + "> start tag");
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}
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AttributeSet attrs = Xml.asAttributeSet(parser);
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return attrs;
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} catch (XmlPullParserException | IOException e) {
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NotFoundException exception =
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new NotFoundException("Can't load badge resource ID #0x" + Integer.toHexString(id));
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exception.initCause(e);
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throw exception;
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}
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}
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@TargetApi(VERSION_CODES.LOLLIPOP)
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public static void setRippleDrawableRadius(@Nullable Drawable drawable, int radius) {
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if (!(drawable instanceof RippleDrawable)) {
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return;
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}
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if (VERSION.SDK_INT >= VERSION_CODES.M) {
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((RippleDrawable) drawable).setRadius(radius);
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} else {
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try {
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@SuppressLint("PrivateApi")
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Method setMaxRadiusMethod =
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RippleDrawable.class.getDeclaredMethod("setMaxRadius", int.class);
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setMaxRadiusMethod.invoke(drawable, radius);
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} catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e) {
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throw new IllegalStateException("Couldn't set RippleDrawable radius", e);
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}
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}
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}
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}
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