Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[Carousel] Add Carousel Hero strategy demo
PiperOrigin-RevId: 531612383
- Loading branch information
Showing
5 changed files
with
288 additions
and
2 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
155 changes: 155 additions & 0 deletions
155
catalog/java/io/material/catalog/carousel/HeroCarouselDemoFragment.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| /* | ||
| * Copyright 2023 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 | ||
| * | ||
| * https://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 io.material.catalog.carousel; | ||
|
|
||
| import io.material.catalog.R; | ||
|
|
||
| import android.os.Bundle; | ||
| import androidx.recyclerview.widget.RecyclerView; | ||
| import androidx.recyclerview.widget.SnapHelper; | ||
| import android.view.LayoutInflater; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
| import android.widget.AutoCompleteTextView; | ||
| import androidx.annotation.NonNull; | ||
| import androidx.annotation.Nullable; | ||
| import com.google.android.material.carousel.CarouselLayoutManager; | ||
| import com.google.android.material.carousel.CarouselSnapHelper; | ||
| import com.google.android.material.carousel.HeroCarouselStrategy; | ||
| import com.google.android.material.divider.MaterialDividerItemDecoration; | ||
| import com.google.android.material.materialswitch.MaterialSwitch; | ||
| import com.google.android.material.slider.Slider; | ||
| import com.google.android.material.slider.Slider.OnSliderTouchListener; | ||
| import io.material.catalog.feature.DemoFragment; | ||
|
|
||
| /** A fragment that displays the hero variant of the Carousel. */ | ||
| public class HeroCarouselDemoFragment extends DemoFragment { | ||
|
|
||
| private MaterialDividerItemDecoration horizontalDivider; | ||
|
|
||
| @NonNull | ||
| @Override | ||
| public View onCreateDemoView( | ||
| @NonNull LayoutInflater layoutInflater, | ||
| @Nullable ViewGroup viewGroup, | ||
| @Nullable Bundle bundle) { | ||
| return layoutInflater.inflate( | ||
| R.layout.cat_carousel_hero_fragment, viewGroup, false /* attachToRoot */); | ||
| } | ||
|
|
||
| @Override | ||
| @SuppressWarnings("RestrictTo") | ||
| public void onViewCreated(@NonNull View view, @Nullable Bundle bundle) { | ||
| super.onViewCreated(view, bundle); | ||
|
|
||
| horizontalDivider = | ||
| new MaterialDividerItemDecoration( | ||
| requireContext(), MaterialDividerItemDecoration.HORIZONTAL); | ||
|
|
||
| MaterialSwitch debugSwitch = view.findViewById(R.id.debug_switch); | ||
| MaterialSwitch drawDividers = view.findViewById(R.id.draw_dividers_switch); | ||
| MaterialSwitch enableFlingSwitch = view.findViewById(R.id.enable_fling_switch); | ||
| AutoCompleteTextView itemCountDropdown = view.findViewById(R.id.item_count_dropdown); | ||
| Slider positionSlider = view.findViewById(R.id.position_slider); | ||
|
|
||
| // A start-aligned hero carousel | ||
| RecyclerView heroStartRecyclerView = | ||
| view.findViewById(R.id.hero_start_carousel_recycler_view); | ||
| CarouselLayoutManager heroStartCarouselLayoutManager = | ||
| new CarouselLayoutManager(new HeroCarouselStrategy()); | ||
| heroStartCarouselLayoutManager.setDebuggingEnabled( | ||
| heroStartRecyclerView, debugSwitch.isChecked()); | ||
| heroStartRecyclerView.setLayoutManager(heroStartCarouselLayoutManager); | ||
| heroStartRecyclerView.setNestedScrollingEnabled(false); | ||
|
|
||
| debugSwitch.setOnCheckedChangeListener( | ||
| (buttonView, isChecked) -> { | ||
| heroStartRecyclerView.setBackgroundResource( | ||
| isChecked ? R.drawable.dashed_outline_rectangle : 0); | ||
| heroStartCarouselLayoutManager.setDebuggingEnabled( | ||
| heroStartRecyclerView, isChecked); | ||
| }); | ||
|
|
||
| drawDividers.setOnCheckedChangeListener( | ||
| (buttonView, isChecked) -> { | ||
| if (isChecked) { | ||
| heroStartRecyclerView.addItemDecoration(horizontalDivider); | ||
| } else { | ||
| heroStartRecyclerView.removeItemDecoration(horizontalDivider); | ||
| } | ||
| }); | ||
|
|
||
| CarouselAdapter adapter = | ||
| new CarouselAdapter( | ||
| (item, position) -> heroStartRecyclerView.scrollToPosition(position), | ||
| R.layout.cat_carousel_item); | ||
|
|
||
| SnapHelper disableFlingSnapHelper = new CarouselSnapHelper(); | ||
| SnapHelper enableFlingSnapHelper = new CarouselSnapHelper(false); | ||
|
|
||
| if (enableFlingSwitch.isChecked()) { | ||
| enableFlingSnapHelper.attachToRecyclerView(heroStartRecyclerView); | ||
| } else { | ||
| disableFlingSnapHelper.attachToRecyclerView(heroStartRecyclerView); | ||
| } | ||
|
|
||
| enableFlingSwitch.setOnCheckedChangeListener( | ||
| (buttonView, isChecked) -> { | ||
| if (isChecked) { | ||
| disableFlingSnapHelper.attachToRecyclerView(null); | ||
| enableFlingSnapHelper.attachToRecyclerView(heroStartRecyclerView); | ||
| } else { | ||
| enableFlingSnapHelper.attachToRecyclerView(null); | ||
| disableFlingSnapHelper.attachToRecyclerView(heroStartRecyclerView); | ||
| } | ||
| }); | ||
|
|
||
| itemCountDropdown.setOnItemClickListener( | ||
| (parent, view1, position, id) -> | ||
| adapter.submitList( | ||
| CarouselData.createItems().subList(0, position), | ||
| updateSliderRange(positionSlider, adapter))); | ||
|
|
||
| positionSlider.addOnSliderTouchListener( | ||
| new OnSliderTouchListener() { | ||
| @Override | ||
| public void onStartTrackingTouch(@NonNull Slider slider) {} | ||
|
|
||
| @Override | ||
| public void onStopTrackingTouch(@NonNull Slider slider) { | ||
| heroStartRecyclerView.smoothScrollToPosition((int) slider.getValue() - 1); | ||
| } | ||
| }); | ||
|
|
||
| heroStartRecyclerView.setAdapter(adapter); | ||
| adapter.submitList(CarouselData.createItems(), updateSliderRange(positionSlider, adapter)); | ||
| } | ||
|
|
||
| private static Runnable updateSliderRange(Slider slider, CarouselAdapter adapter) { | ||
| return () -> { | ||
| if (adapter.getItemCount() <= 1) { | ||
| slider.setEnabled(false); | ||
| return; | ||
| } | ||
|
|
||
| slider.setValueFrom(1); | ||
| slider.setValue(1); | ||
| slider.setValueTo(adapter.getItemCount()); | ||
| slider.setEnabled(true); | ||
| }; | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
119 changes: 119 additions & 0 deletions
119
catalog/java/io/material/catalog/carousel/res/layout/cat_carousel_hero_fragment.xml
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <!-- | ||
| Copyright 2023 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 | ||
| https://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. | ||
| --> | ||
| <androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android" | ||
| xmlns:app="http://schemas.android.com/apk/res-auto" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent"> | ||
| <LinearLayout | ||
| android:id="@+id/container" | ||
| android:layout_height="wrap_content" | ||
| android:layout_width="match_parent" | ||
| android:orientation="vertical"> | ||
|
|
||
| <TextView | ||
| android:id="@+id/hero_title_text_view" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_marginHorizontal="16dp" | ||
| android:layout_marginVertical="4dp" | ||
| android:text="@string/cat_carousel_hero_title" | ||
| android:textAppearance="?attr/textAppearanceTitleMedium" /> | ||
|
|
||
| <TextView | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_marginHorizontal="16dp" | ||
| android:layout_marginVertical="4dp" | ||
| android:text="@string/cat_carousel_hero_desc" | ||
| android:textAppearance="?attr/textAppearanceBodyMedium" /> | ||
|
|
||
| <com.google.android.material.materialswitch.MaterialSwitch | ||
| android:id="@+id/debug_switch" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:checked="false" | ||
| android:layout_marginHorizontal="16dp" | ||
| android:layout_marginVertical="8dp" | ||
| android:textAppearance="?attr/textAppearanceBodyLarge" | ||
| android:text="@string/cat_carousel_debug_mode_label"/> | ||
|
|
||
| <com.google.android.material.materialswitch.MaterialSwitch | ||
| android:id="@+id/draw_dividers_switch" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:checked="false" | ||
| android:layout_marginHorizontal="16dp" | ||
| android:layout_marginVertical="8dp" | ||
| android:textAppearance="?attr/textAppearanceBodyLarge" | ||
| android:text="@string/cat_carousel_draw_dividers_label"/> | ||
|
|
||
| <com.google.android.material.materialswitch.MaterialSwitch | ||
| android:id="@+id/enable_fling_switch" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:checked="false" | ||
| android:layout_marginHorizontal="16dp" | ||
| android:layout_marginVertical="8dp" | ||
| android:textAppearance="?attr/textAppearanceBodyLarge" | ||
| android:text="@string/cat_carousel_enable_fling_label"/> | ||
|
|
||
| <com.google.android.material.textfield.TextInputLayout | ||
| style="?attr/textInputFilledExposedDropdownMenuStyle" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:layout_gravity="center_vertical" | ||
| android:layout_marginHorizontal="16dp" | ||
| android:layout_marginVertical="8dp" | ||
| app:helperTextEnabled="false"> | ||
|
|
||
| <AutoCompleteTextView | ||
| android:id="@+id/item_count_dropdown" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:inputType="none" | ||
| android:hint="@string/cat_carousel_adapter_item_count_hint_label" | ||
| app:simpleItems="@array/cat_carousel_adapter_count_content"/> | ||
|
|
||
| </com.google.android.material.textfield.TextInputLayout> | ||
|
|
||
| <TextView | ||
| android:id="@+id/position_slider_label" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_marginHorizontal="16dp" | ||
| android:layout_marginTop="16dp" | ||
| android:labelFor="@id/position_slider" | ||
| android:text="@string/cat_carousel_position_slider_label" | ||
| android:textAppearance="?attr/textAppearanceBodyLarge"/> | ||
|
|
||
| <com.google.android.material.slider.Slider | ||
| android:id="@+id/position_slider" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:layout_marginHorizontal="16dp" | ||
| android:layout_marginBottom="8dp" | ||
| android:contentDescription="@string/cat_carousel_position_slider_content_description" | ||
| android:stepSize="1.0"/> | ||
|
|
||
| <androidx.recyclerview.widget.RecyclerView | ||
| android:id="@+id/hero_start_carousel_recycler_view" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="196dp" | ||
| android:layout_marginHorizontal="16dp" | ||
| android:layout_marginVertical="16dp" | ||
| android:clipChildren="false" | ||
| android:clipToPadding="false" /> | ||
|
|
||
| </LinearLayout> | ||
| </androidx.core.widget.NestedScrollView> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters