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[Snackbar] Added snackbar catalog demo
Resolves #4939 PiperOrigin-RevId: 816329734
1 parent ee52adb commit d24edd1

7 files changed

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‎catalog/build.gradle‎

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@@ -113,6 +113,7 @@ def srcDirs = [
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'shapetheming',
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'sidesheet',
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'slider',
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'snackbar',
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'tableofcontents',
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'tabs',
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'textfield',

‎catalog/java/io/material/catalog/snackbar/SnackbarFragment.java‎

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/*
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* Copyright 2025 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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* http://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 io.material.catalog.snackbar;
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import io.material.catalog.R;
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import androidx.fragment.app.Fragment;
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import dagger.Provides;
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import dagger.android.ContributesAndroidInjector;
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import dagger.multibindings.IntoSet;
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import io.material.catalog.application.scope.ActivityScope;
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import io.material.catalog.application.scope.FragmentScope;
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import io.material.catalog.feature.Demo;
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import io.material.catalog.feature.DemoLandingFragment;
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import io.material.catalog.feature.FeatureDemo;
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/** A landing fragment that links to Snackbar demos for the Catalog app. */
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public class SnackbarFragment extends DemoLandingFragment {
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@Override
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public int getTitleResId() {
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return R.string.cat_snackbar_title;
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}
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@Override
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public int getDescriptionResId() {
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return R.string.cat_snackbar_description;
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}
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@Override
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public Demo getMainDemo() {
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return new Demo() {
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@Override
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public Fragment createFragment() {
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return new SnackbarMainDemoFragment();
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}
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};
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}
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/** The Dagger module for {@link SnackbarFragment} dependencies. */
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@dagger.Module
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public abstract static class Module {
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@FragmentScope
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@ContributesAndroidInjector
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abstract SnackbarFragment contributeInjector();
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@IntoSet
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@Provides
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@ActivityScope
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static FeatureDemo provideFeatureDemo() {
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return new FeatureDemo(R.string.cat_snackbar_title, R.drawable.ic_placeholder) {
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@Override
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public Fragment createFragment() {
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return new SnackbarFragment();
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}
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};
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}
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}
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}

‎catalog/java/io/material/catalog/snackbar/SnackbarMainDemoFragment.java‎

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/*
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* Copyright 2025 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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* http://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 io.material.catalog.snackbar;
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import io.material.catalog.R;
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import android.content.Context;
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import android.os.Bundle;
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import android.view.ContextThemeWrapper;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.coordinatorlayout.widget.CoordinatorLayout;
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import com.google.android.material.snackbar.Snackbar;
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import io.material.catalog.feature.DemoFragment;
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/** A fragment that displays the main Snackbar demos for the Catalog app. */
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public class SnackbarMainDemoFragment extends DemoFragment {
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@Override
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public View onCreateDemoView(
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LayoutInflater layoutInflater, @Nullable ViewGroup viewGroup, @Nullable Bundle bundle) {
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return layoutInflater.inflate(R.layout.cat_snackbar_main_demo_fragment, viewGroup, false);
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}
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@Override
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public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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CoordinatorLayout coordinatorLayout = view.findViewById(R.id.coordinator_layout);
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// Default snackbar
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view.findViewById(R.id.default_button)
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.setOnClickListener(
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v -> {
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Snackbar.make(
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coordinatorLayout,
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R.string.cat_snackbar_default_message,
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Snackbar.LENGTH_SHORT)
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.show();
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});
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// Snackbar with single line
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view.findViewById(R.id.single_line_button)
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.setOnClickListener(
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v -> {
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Snackbar.make(
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coordinatorLayout,
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R.string.cat_snackbar_single_line_message,
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Snackbar.LENGTH_SHORT)
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.setTextMaxLines(1)
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.show();
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});
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// Snackbar with action
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view.findViewById(R.id.with_action_button)
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.setOnClickListener(
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v -> {
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Snackbar.make(
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coordinatorLayout,
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R.string.cat_snackbar_with_action_message,
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Snackbar.LENGTH_SHORT)
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.setAction(R.string.cat_snackbar_action_title, a -> {})
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.show();
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});
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// Snackbar with multiple lines
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view.findViewById(R.id.multi_line_button)
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.setOnClickListener(
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v -> {
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Snackbar.make(
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coordinatorLayout,
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R.string.cat_snackbar_multi_line_message,
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Snackbar.LENGTH_SHORT)
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.setAction(R.string.cat_snackbar_action_title, a -> {})
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.setTextMaxLines(5)
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.show();
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});
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// Snackbar with custom shape
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view.findViewById(R.id.custom_shape_button)
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.setOnClickListener(
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v -> {
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// Set a custom shape by updating the theme's snackbarStyle attribute to a
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// custom style with a custom shapeAppearance. For demonstration, this is done
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// on a single snackbar using a theme overlay but it is more typically done by
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// setting the snackbarStyle on th main theme and customizing all snackbars app-wide.
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Context c =
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new ContextThemeWrapper(
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v.getContext(), R.style.ThemeOverlay_Catalog_SnackbarWithCustomShape);
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Snackbar.make(
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c,
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coordinatorLayout,
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getString(R.string.cat_snackbar_custom_shape_message),
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Snackbar.LENGTH_SHORT)
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.setAction("Done", a -> {})
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.show();
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});
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}
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}

‎catalog/java/io/material/catalog/snackbar/res/layout/cat_snackbar_main_demo_fragment.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<!--
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Copyright 2025 The Android Open Source Project
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<androidx.coordinatorlayout.widget.CoordinatorLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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android:id="@+id/coordinator_layout"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical"
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android:gravity="center_horizontal">
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<Button
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android:id="@+id/default_button"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/cat_snackbar_default_button"/>
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<Button
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android:id="@+id/single_line_button"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/cat_snackbar_single_line_button"/>
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<Button
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android:id="@+id/with_action_button"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/cat_snackbar_with_action_button"/>
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<Button
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android:id="@+id/multi_line_button"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/cat_snackbar_multi_line_button"/>
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<Button
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android:id="@+id/custom_shape_button"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/cat_snackbar_custom_shape_button"/>
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</LinearLayout>
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</androidx.coordinatorlayout.widget.CoordinatorLayout>

‎catalog/java/io/material/catalog/snackbar/res/values/strings.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<!--
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Copyright 2025 The Android Open Source Project
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<resources>
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<string name="cat_snackbar_title" description=" The title of the snackbar catalog demo. [CHAR LIMIT=NONE]">
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Snackbar
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</string>
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<string name="cat_snackbar_description" description="The description of the snackbar catalog demo. [CHAR LIMIT=NONE]">
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Snackbars show short updates about app processes at the bottom of the screen
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</string>
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<string name="cat_snackbar_default_button" description="The label of the button that launches a default snackbar. [CHAR LIMIT=NONE]">
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Default snackbar
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</string>
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<string name="cat_snackbar_default_message" description="The message of the default snackbar. [CHAR LIMIT=NONE]">
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This is a snackbar
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</string>
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<string name="cat_snackbar_single_line_button" description="The label of the button that launches a single-line snackbar. [CHAR LIMIT=NONE]">
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Single-line snackbar
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</string>
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<string name="cat_snackbar_single_line_message" description="The message of the single-line snackbar. [CHAR LIMIT=NONE]">
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This is a single-line snackbar that has a long message that should be ellispized.
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</string>
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<string name="cat_snackbar_with_action_button" description="The label of the button that launches a snackbar with an action. [CHAR LIMIT=NONE]">
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Snackbar with action
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</string>
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<string name="cat_snackbar_with_action_message" description="The message of the snackbar with an action. [CHAR LIMIT=NONE]">
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Snackbar with action
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</string>
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<string name="cat_snackbar_action_title" description="The label of the action button inside the snackbar. [CHAR LIMIT=NONE]">
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Done
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</string>
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<string name="cat_snackbar_multi_line_button" description="The label of the button that launches a multi-line snackbar. [CHAR LIMIT=NONE]">
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Multi-line snackbar
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</string>
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<string name="cat_snackbar_multi_line_message" description="The message of the multi-line snackbar. [CHAR LIMIT=NONE]">
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This is a multi-line snackbar that has a long message which should wrap onto more than one line inside the snackbar.
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</string>
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<string name="cat_snackbar_custom_shape_button" description="The label of the button that launches a snackbar with a custom background shape. [CHAR LIMIT=NONE]">
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Custom shape snackbar
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</string>
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<string name="cat_snackbar_custom_shape_message" description="The message of the snackbar with a custom background shape. [CHAR LIMIT=NONE]">
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This is a snackbar with a custom shape
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</string>
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</resources>

‎catalog/java/io/material/catalog/snackbar/res/values/styles.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<!--
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Copyright 2025 The Android Open Source Project
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<resources>
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<style name="ThemeOverlay.Catalog.SnackbarWithCustomShape" parent="Theme.Catalog">
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<item name="snackbarStyle">@style/Widget.Catalog.Snackbar.PillShape</item>
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</style>
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<style name="Widget.Catalog.Snackbar.PillShape" parent="Widget.Material3.Snackbar">
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<item name="shapeAppearance">@style/ShapeAppearance.Material3.Corner.Full</item>
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</style>
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</resources>

‎catalog/java/io/material/catalog/tableofcontents/TocModule.java‎

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import io.material.catalog.shapetheming.ShapeThemingFragment;
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import io.material.catalog.sidesheet.SideSheetFragment;
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import io.material.catalog.slider.SliderFragment;
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import io.material.catalog.snackbar.SnackbarFragment;
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import io.material.catalog.tabs.TabsFragment;
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import io.material.catalog.textfield.TextFieldFragment;
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import io.material.catalog.timepicker.TimePickerDemoLandingFragment;
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ShapeThemingFragment.Module.class,
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SideSheetFragment.Module.class,
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SliderFragment.Module.class,
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SnackbarFragment.Module.class,
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SwitchFragment.Module.class,
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TabsFragment.Module.class,
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TextFieldFragment.Module.class,

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