├── .gitignore
├── LICENCE.txt
├── README.md
├── app
├── .gitignore
├── build.gradle
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── jaouan
│ │ └── carouselbrowsing
│ │ └── ApplicationTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── com
│ │ │ └── jaouan
│ │ │ └── carouselbrowsing
│ │ │ ├── CarouselActivity.java
│ │ │ ├── DetailsActivity.java
│ │ │ ├── animations
│ │ │ └── interpolators
│ │ │ │ └── ReverseInterpolator.java
│ │ │ ├── models
│ │ │ └── Item.java
│ │ │ └── views
│ │ │ └── adapters
│ │ │ └── ItemAdapter.java
│ └── res
│ │ ├── anim
│ │ └── reveal_more.xml
│ │ ├── drawable
│ │ ├── ic_grade_15dp.xml
│ │ ├── pic_1.jpg
│ │ ├── pic_2.jpg
│ │ └── pic_3.jpg
│ │ ├── layout
│ │ ├── activity_carousel.xml
│ │ ├── activity_details.xml
│ │ ├── content_details.xml
│ │ └── item.xml
│ │ ├── menu
│ │ └── menu_details.xml
│ │ ├── mipmap-hdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-mdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xhdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xxhdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xxxhdpi
│ │ └── ic_launcher.png
│ │ ├── values-v21
│ │ └── styles.xml
│ │ ├── values-w820dp
│ │ └── dimens.xml
│ │ └── values
│ │ ├── colors.xml
│ │ ├── dimens.xml
│ │ ├── strings.xml
│ │ └── styles.xml
│ └── test
│ └── java
│ └── com
│ └── jaouan
│ └── carouselbrowsing
│ └── ExampleUnitTest.java
├── art
└── demo.gif
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
└── settings.gradle
/.gitignore:
--------------------------------------------------------------------------------
1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/workspace.xml
5 | /.idea/libraries
6 | .DS_Store
7 | /build
8 | /captures
9 |
--------------------------------------------------------------------------------
/LICENCE.txt:
--------------------------------------------------------------------------------
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/README.md:
--------------------------------------------------------------------------------
1 | Android - Carousel browsing example
2 | ========
3 |
4 | It's just an example of carousel browsing, a bit inspired by [Frank Lau's animation](https://dribbble.com/shots/2906536-animation).
5 |
6 | 
7 |
8 |
9 | License
10 | ========
11 |
12 | [Apache License Version 2.0](LICENSE)
--------------------------------------------------------------------------------
/app/.gitignore:
--------------------------------------------------------------------------------
1 | /build
2 |
--------------------------------------------------------------------------------
/app/build.gradle:
--------------------------------------------------------------------------------
1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 24
5 | buildToolsVersion "23.0.2"
6 |
7 | defaultConfig {
8 | applicationId "com.jaouan.carouselbrowsing"
9 | minSdkVersion 21
10 | targetSdkVersion 24
11 | versionCode 1
12 | versionName "1.0"
13 | }
14 | buildTypes {
15 | release {
16 | minifyEnabled false
17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
18 | }
19 | }
20 | }
21 |
22 | dependencies {
23 | compile fileTree(dir: 'libs', include: ['*.jar'])
24 | testCompile 'junit:junit:4.12'
25 |
26 | compile 'com.android.support:appcompat-v7:24.2.0'
27 | compile 'com.android.support:recyclerview-v7:24.2.0'
28 | compile 'com.android.support:cardview-v7:24.2.0'
29 | compile 'com.android.support:design:24.2.0'
30 | }
31 |
--------------------------------------------------------------------------------
/app/proguard-rules.pro:
--------------------------------------------------------------------------------
1 | # Add project specific ProGuard rules here.
2 | # By default, the flags in this file are appended to flags specified
3 | # in C:\Users\Maxence\sdk/tools/proguard/proguard-android.txt
4 | # You can edit the include path and order by changing the proguardFiles
5 | # directive in build.gradle.
6 | #
7 | # For more details, see
8 | # http://developer.android.com/guide/developing/tools/proguard.html
9 |
10 | # Add any project specific keep options here:
11 |
12 | # If your project uses WebView with JS, uncomment the following
13 | # and specify the fully qualified class name to the JavaScript interface
14 | # class:
15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
16 | # public *;
17 | #}
18 |
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/app/src/androidTest/java/com/jaouan/carouselbrowsing/ApplicationTest.java:
--------------------------------------------------------------------------------
1 | package com.jaouan.carouselbrowsing;
2 |
3 | import android.app.Application;
4 | import android.test.ApplicationTestCase;
5 |
6 | /**
7 | * Testing Fundamentals
8 | */
9 | public class ApplicationTest extends ApplicationTestCase {
10 | public ApplicationTest() {
11 | super(Application.class);
12 | }
13 | }
--------------------------------------------------------------------------------
/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
1 |
2 |
4 |
5 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
23 |
26 |
27 |
28 |
29 |
--------------------------------------------------------------------------------
/app/src/main/java/com/jaouan/carouselbrowsing/CarouselActivity.java:
--------------------------------------------------------------------------------
1 | package com.jaouan.carouselbrowsing;
2 |
3 | import android.app.ActivityOptions;
4 | import android.content.Intent;
5 | import android.os.Bundle;
6 | import android.support.v7.app.AppCompatActivity;
7 | import android.support.v7.widget.LinearLayoutManager;
8 | import android.support.v7.widget.LinearSnapHelper;
9 | import android.support.v7.widget.RecyclerView;
10 |
11 | import com.jaouan.carouselbrowsing.models.Item;
12 | import com.jaouan.carouselbrowsing.views.adapters.ItemAdapter;
13 |
14 | /**
15 | * Carousel activity.
16 | */
17 | public class CarouselActivity extends AppCompatActivity {
18 |
19 | /**
20 | * Items stubs.
21 | */
22 | private static final Item[] ITEMS = {
23 | new Item(R.drawable.pic_1),
24 | new Item(R.drawable.pic_2),
25 | new Item(R.drawable.pic_3),
26 | new Item(R.drawable.pic_1),
27 | new Item(R.drawable.pic_2),
28 | new Item(R.drawable.pic_3),
29 | new Item(R.drawable.pic_1),
30 | new Item(R.drawable.pic_2),
31 | new Item(R.drawable.pic_3)
32 | };
33 |
34 | @Override
35 | protected void onCreate(Bundle savedInstanceState) {
36 | super.onCreate(savedInstanceState);
37 | setContentView(R.layout.activity_carousel);
38 | getSupportActionBar().setElevation(0);
39 |
40 | // - Initialize carousel.
41 | final RecyclerView carouselRecyclerView = (RecyclerView) findViewById(R.id.carousel);
42 | final LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false);
43 | carouselRecyclerView.setLayoutManager(linearLayoutManager);
44 | new LinearSnapHelper().attachToRecyclerView(carouselRecyclerView);
45 | final ItemAdapter itemAdapter = new ItemAdapter(this, ITEMS);
46 | carouselRecyclerView.setAdapter(itemAdapter);
47 |
48 | // - Center recycler view first item.
49 | itemAdapter.setOnItemSizeListener(new ItemAdapter.OnItemSizeListener() {
50 | @Override
51 | public void onItemSize(final int size) {
52 | itemAdapter.setOnItemSizeListener(null);
53 | final int padding = (carouselRecyclerView.getMeasuredWidth() - size) / 2;
54 | carouselRecyclerView.setPadding(padding, 0, padding, 0);
55 | carouselRecyclerView.smoothScrollToPosition(0);
56 | }
57 | });
58 |
59 | // - On item click...
60 | itemAdapter.setOnItemClickListener(new ItemAdapter.OnItemClickListener() {
61 | @Override
62 | public void onClick(final int position, final ItemAdapter.ViewHolder viewHolder) {
63 |
64 | // - If the clicked item is not centered, scroll to it.
65 | final int currentPosition = (linearLayoutManager.findFirstVisibleItemPosition() + linearLayoutManager.findLastVisibleItemPosition()) / 2;
66 | if (currentPosition != position) {
67 | carouselRecyclerView.smoothScrollToPosition(position);
68 | }
69 |
70 | // - Else if collapsed, expand it.
71 | else if (itemAdapter.isCollapsed(position)) {
72 | itemAdapter.expandItem(position, viewHolder);
73 | }
74 |
75 | // - Else (item centered and expanded), navigate to details.
76 | else {
77 | final ActivityOptions options =
78 | ActivityOptions.makeSceneTransitionAnimation(CarouselActivity.this, viewHolder.picture, viewHolder.picture.getTransitionName());
79 | final Intent intent = new Intent(CarouselActivity.this, DetailsActivity.class);
80 | intent.putExtra(DetailsActivity.EXTRA_ITEM, ITEMS[position]);
81 | startActivity(intent, options.toBundle());
82 | }
83 |
84 | }
85 | });
86 | }
87 |
88 | }
89 |
--------------------------------------------------------------------------------
/app/src/main/java/com/jaouan/carouselbrowsing/DetailsActivity.java:
--------------------------------------------------------------------------------
1 | package com.jaouan.carouselbrowsing;
2 |
3 | import android.os.Bundle;
4 | import android.support.v7.app.AppCompatActivity;
5 | import android.support.v7.widget.Toolbar;
6 | import android.view.MenuItem;
7 | import android.widget.ImageView;
8 |
9 | import com.jaouan.carouselbrowsing.models.Item;
10 |
11 | /**
12 | * Details activity.
13 | */
14 | public class DetailsActivity extends AppCompatActivity {
15 |
16 | /**
17 | * Extra - Item.
18 | */
19 | public static final String EXTRA_ITEM = "item";
20 |
21 | @Override
22 | protected void onCreate(Bundle savedInstanceState) {
23 | super.onCreate(savedInstanceState);
24 | setContentView(R.layout.activity_details);
25 | Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
26 | setSupportActionBar(toolbar);
27 | getSupportActionBar().setDisplayHomeAsUpEnabled(true);
28 |
29 | // - Bind datas.
30 | final Item item = (Item) getIntent().getSerializableExtra(EXTRA_ITEM);
31 | ((ImageView) findViewById(R.id.picture)).setImageResource(item.getImage());
32 | }
33 |
34 | @Override
35 | public boolean onOptionsItemSelected(MenuItem item) {
36 | switch (item.getItemId()) {
37 | case android.R.id.home:
38 | onBackPressed();
39 | return true;
40 | }
41 | return (super.onOptionsItemSelected(item));
42 | }
43 |
44 | }
45 |
--------------------------------------------------------------------------------
/app/src/main/java/com/jaouan/carouselbrowsing/animations/interpolators/ReverseInterpolator.java:
--------------------------------------------------------------------------------
1 | package com.jaouan.carouselbrowsing.animations.interpolators;
2 |
3 | import android.support.annotation.NonNull;
4 | import android.view.animation.Interpolator;
5 |
6 | /**
7 | * Reverse interpolator.
8 | */
9 | public class ReverseInterpolator implements Interpolator {
10 |
11 | /**
12 | * Interpolator to reverse.
13 | */
14 | private final Interpolator mInterpolator;
15 |
16 | /**
17 | * Reverse interpolator constructor.
18 | *
19 | * @param interpolator Interpolator to reverse.
20 | */
21 | public ReverseInterpolator(@NonNull final Interpolator interpolator) {
22 | this.mInterpolator = interpolator;
23 | }
24 |
25 | @Override
26 | public float getInterpolation(float value) {
27 | return 1 - mInterpolator.getInterpolation(value);
28 | }
29 | }
30 |
--------------------------------------------------------------------------------
/app/src/main/java/com/jaouan/carouselbrowsing/models/Item.java:
--------------------------------------------------------------------------------
1 | package com.jaouan.carouselbrowsing.models;
2 |
3 | import android.support.annotation.DrawableRes;
4 |
5 | import java.io.Serializable;
6 |
7 | /**
8 | * Item structure.
9 | */
10 | public class Item implements Serializable {
11 |
12 | private int image;
13 |
14 | public Item(@DrawableRes final int image) {
15 | setImage(image);
16 | }
17 |
18 | public void setImage(int image) {
19 | this.image = image;
20 | }
21 |
22 | public int getImage() {
23 | return image;
24 | }
25 |
26 | }
27 |
--------------------------------------------------------------------------------
/app/src/main/java/com/jaouan/carouselbrowsing/views/adapters/ItemAdapter.java:
--------------------------------------------------------------------------------
1 | package com.jaouan.carouselbrowsing.views.adapters;
2 |
3 | import android.content.Context;
4 | import android.support.annotation.NonNull;
5 | import android.support.v7.widget.RecyclerView;
6 | import android.view.LayoutInflater;
7 | import android.view.View;
8 | import android.view.ViewGroup;
9 | import android.view.ViewTreeObserver;
10 | import android.view.animation.AccelerateDecelerateInterpolator;
11 | import android.view.animation.Animation;
12 | import android.view.animation.AnimationUtils;
13 | import android.widget.ImageView;
14 |
15 | import com.jaouan.carouselbrowsing.R;
16 | import com.jaouan.carouselbrowsing.animations.interpolators.ReverseInterpolator;
17 | import com.jaouan.carouselbrowsing.models.Item;
18 |
19 | /**
20 | * Item adapter.
21 | */
22 | public class ItemAdapter extends RecyclerView.Adapter {
23 |
24 | /**
25 | * Value for no item expanded.
26 | */
27 | public static final int NONE = -1;
28 |
29 | /**
30 | * Context.
31 | */
32 | private final Context context;
33 |
34 | /**
35 | * Items.
36 | */
37 | private final Item[] items;
38 |
39 | /**
40 | * On item size listener.
41 | */
42 | private OnItemSizeListener onItemSizeListener;
43 |
44 | /**
45 | * On item click listener.
46 | */
47 | private OnItemClickListener onItemClickListener;
48 |
49 | /**
50 | * Current expanded item.
51 | */
52 | private int currentExpandedItem = -1;
53 |
54 | /**
55 | * Current expanded view holder.
56 | */
57 | private ViewHolder currentExpandedViewHolder;
58 |
59 | /**
60 | * Item adapter's constructor.
61 | *
62 | * @param context Context.
63 | * @param items Items to display.
64 | */
65 | public ItemAdapter(@NonNull final Context context, @NonNull final Item[] items) {
66 | this.context = context;
67 | this.items = items;
68 | }
69 |
70 | @Override
71 | public ItemAdapter.ViewHolder onCreateViewHolder(final ViewGroup parent, final int viewType) {
72 | final View view = LayoutInflater.from(context).inflate(R.layout.item, parent, false);
73 | view.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
74 | @Override
75 | public void onGlobalLayout() {
76 | if (onItemSizeListener != null) {
77 | onItemSizeListener.onItemSize(view.getMeasuredWidth());
78 | }
79 | }
80 | });
81 | return new ViewHolder(view);
82 | }
83 |
84 | @Override
85 | public void onBindViewHolder(final ViewHolder viewHolder, final int position) {
86 | // - If holder is reuse by an other position, invalidate current expanded view holder.
87 | if (currentExpandedViewHolder == viewHolder) {
88 | currentExpandedViewHolder = null;
89 | }
90 |
91 | // - If user returns to expanded item, update current expanded view holder.
92 | if (currentExpandedItem == position) {
93 | currentExpandedViewHolder = viewHolder;
94 | }
95 |
96 | // - Bind datas.
97 | viewHolder.picture.setImageResource(items[position].getImage());
98 |
99 | // - Bind events.
100 | viewHolder.rootView.setOnClickListener(new View.OnClickListener() {
101 | @Override
102 | public void onClick(View view) {
103 | if (onItemClickListener != null) {
104 | onItemClickListener.onClick(position, viewHolder);
105 | }
106 | }
107 | });
108 |
109 | // - Expand/collapse if necessary.
110 | if (currentExpandedItem == position) {
111 | expandView(viewHolder, false);
112 | } else {
113 | collapseView(viewHolder, false);
114 | }
115 | }
116 |
117 | @Override
118 | public int getItemCount() {
119 | return items.length;
120 | }
121 |
122 | /**
123 | * Defines on item size listener.
124 | *
125 | * @param onItemSizeListener On item size listener.
126 | */
127 | public void setOnItemSizeListener(final OnItemSizeListener onItemSizeListener) {
128 | this.onItemSizeListener = onItemSizeListener;
129 | }
130 |
131 | /**
132 | * Defines on item click listener.
133 | *
134 | * @param onItemClickListener On click listener.
135 | */
136 | public void setOnItemClickListener(final OnItemClickListener onItemClickListener) {
137 | this.onItemClickListener = onItemClickListener;
138 | }
139 |
140 | /**
141 | * Expands item.
142 | *
143 | * @param position Item's position.
144 | * @param viewHolder Item's view holder.
145 | */
146 | public void expandItem(final int position, final ViewHolder viewHolder) {
147 | if (currentExpandedItem != NONE && currentExpandedViewHolder != null) {
148 | collapseItem(currentExpandedViewHolder);
149 | }
150 | currentExpandedItem = position;
151 | currentExpandedViewHolder = viewHolder;
152 |
153 | expandView(viewHolder, true);
154 | }
155 |
156 | /**
157 | * Expands item's view.
158 | *
159 | * @param viewHolder Item's view holder.
160 | * @param animate Animate.
161 | */
162 | private void expandView(final ViewHolder viewHolder, final boolean animate) {
163 | if (viewHolder.moreLayout.getVisibility() != View.VISIBLE) {
164 | viewHolder.moreLayout.setVisibility(View.VISIBLE);
165 | final Animation scaleMoreAnimation = AnimationUtils.loadAnimation(context, R.anim.reveal_more);
166 | if (!animate) {
167 | scaleMoreAnimation.setDuration(0);
168 | }
169 | viewHolder.moreLayout.startAnimation(scaleMoreAnimation);
170 | viewHolder.pictureLayout.animate()
171 | .translationY(-context.getResources().getDimensionPixelSize(R.dimen.picture_translate_distance))
172 | .setDuration(scaleMoreAnimation.getDuration())
173 | .setInterpolator(scaleMoreAnimation.getInterpolator())
174 | .start();
175 | }
176 | }
177 |
178 | /**
179 | * Collapses item.
180 | *
181 | * @param viewHolder Item's view holder.
182 | */
183 | public void collapseItem(final ViewHolder viewHolder) {
184 | currentExpandedItem = -1;
185 | collapseView(viewHolder, true);
186 | }
187 |
188 | /**
189 | * Collapse item's view.
190 | *
191 | * @param viewHolder Item's view holder.
192 | * @param animate Animate.
193 | */
194 | private void collapseView(final ViewHolder viewHolder, final boolean animate) {
195 | if (viewHolder.moreLayout.getVisibility() != View.INVISIBLE) {
196 | viewHolder.moreLayout.setVisibility(View.INVISIBLE);
197 | final Animation scaleMoreAnimation = AnimationUtils.loadAnimation(context, R.anim.reveal_more);
198 | if (!animate) {
199 | scaleMoreAnimation.setDuration(0);
200 | }
201 | viewHolder.pictureLayout.animate()
202 | .translationY(0)
203 | .setDuration(scaleMoreAnimation.getDuration())
204 | .setInterpolator(scaleMoreAnimation.getInterpolator())
205 | .start();
206 | scaleMoreAnimation.setInterpolator(new ReverseInterpolator(scaleMoreAnimation.getInterpolator()));
207 | viewHolder.moreLayout.startAnimation(scaleMoreAnimation);
208 | }
209 | }
210 |
211 | /**
212 | * Determines if an item is collapsed.
213 | *
214 | * @param position Item position.
215 | * @return TRUE if collapsed.
216 | */
217 | public boolean isCollapsed(final int position) {
218 | return currentExpandedItem != position;
219 | }
220 |
221 | /**
222 | * View holder.
223 | */
224 | public class ViewHolder extends RecyclerView.ViewHolder {
225 |
226 | public final View rootView;
227 | public final ImageView picture;
228 | public final View moreLayout;
229 | public final View pictureLayout;
230 |
231 | public ViewHolder(final View itemView) {
232 | super(itemView);
233 | rootView = itemView;
234 | picture = (ImageView) itemView.findViewById(R.id.picture);
235 | moreLayout = itemView.findViewById(R.id.more_layout);
236 | pictureLayout = itemView.findViewById(R.id.picture_layout);
237 | }
238 |
239 | }
240 |
241 | /**
242 | * On item size listener interface.
243 | */
244 | public interface OnItemSizeListener {
245 | void onItemSize(int size);
246 | }
247 |
248 | /**
249 | * On item click listener interface.
250 | */
251 | public interface OnItemClickListener {
252 | void onClick(int position, ItemAdapter.ViewHolder viewHolder);
253 | }
254 |
255 | }
256 |
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/app/src/main/res/anim/reveal_more.xml:
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/app/src/main/res/drawable/ic_grade_15dp.xml:
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1 |
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9 |
10 |
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/app/src/main/res/drawable/pic_1.jpg:
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/app/src/main/res/drawable/pic_2.jpg:
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/app/src/main/res/drawable/pic_3.jpg:
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/app/src/main/res/layout/activity_carousel.xml:
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1 |
2 |
10 |
11 |
17 |
18 |
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/app/src/main/res/layout/activity_details.xml:
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35 |
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48 |
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/app/src/main/res/layout/content_details.xml:
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19 |
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/app/src/main/res/layout/item.xml:
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71 |
72 |
73 |
74 |
75 |
76 |
87 |
88 |
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99 |
100 |
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/app/src/main/res/menu/menu_details.xml:
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1 |
11 |
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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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/app/src/main/res/values-v21/styles.xml:
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1 |
2 |
3 |
9 |
10 |
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/app/src/main/res/values-w820dp/dimens.xml:
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1 |
2 |
5 | 64dp
6 |
7 |
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/app/src/main/res/values/colors.xml:
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1 |
2 |
3 | #00BCD4
4 | #00838F
5 | #FF4081
6 | #00FFFFFF
7 |
8 |
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/app/src/main/res/values/dimens.xml:
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1 |
2 |
3 | 16dp
4 | 16dp
5 |
6 |
7 | 200dp
8 | 20dp
9 | 30dp
10 | 10dp
11 | 5dp
12 | -20dp
13 | 180dp
14 | 16dp
15 | 16dp
16 |
17 |
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/app/src/main/res/values/strings.xml:
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1 |
2 | CarouselBrowsing
3 | DetailsActivity
4 |
5 | "Material is the metaphor.\n\n"
6 |
7 | "A material metaphor is the unifying theory of a rationalized space and a system of motion."
8 | "The material is grounded in tactile reality, inspired by the study of paper and ink, yet "
9 | "technologically advanced and open to imagination and magic.\n"
10 | "Surfaces and edges of the material provide visual cues that are grounded in reality. The "
11 | "use of familiar tactile attributes helps users quickly understand affordances. Yet the "
12 | "flexibility of the material creates new affordances that supercede those in the physical "
13 | "world, without breaking the rules of physics.\n"
14 | "The fundamentals of light, surface, and movement are key to conveying how objects move, "
15 | "interact, and exist in space and in relation to each other. Realistic lighting shows "
16 | "seams, divides space, and indicates moving parts.\n\n"
17 |
18 | "Bold, graphic, intentional.\n\n"
19 |
20 | "The foundational elements of print based design typography, grids, space, scale, color, "
21 | "and use of imagery guide visual treatments. These elements do far more than please the "
22 | "eye. They create hierarchy, meaning, and focus. Deliberate color choices, edge to edge "
23 | "imagery, large scale typography, and intentional white space create a bold and graphic "
24 | "interface that immerse the user in the experience.\n"
25 | "An emphasis on user actions makes core functionality immediately apparent and provides "
26 | "waypoints for the user.\n\n"
27 |
28 | "Motion provides meaning.\n\n"
29 |
30 | "Motion respects and reinforces the user as the prime mover. Primary user actions are "
31 | "inflection points that initiate motion, transforming the whole design.\n"
32 | "All action takes place in a single environment. Objects are presented to the user without "
33 | "breaking the continuity of experience even as they transform and reorganize.\n"
34 | "Motion is meaningful and appropriate, serving to focus attention and maintain continuity. "
35 | "Feedback is subtle yet clear. Transitions are efficient yet coherent.\n\n"
36 |
37 | "3D world.\n\n"
38 |
39 | "The material environment is a 3D space, which means all objects have x, y, and z "
40 | "dimensions. The z-axis is perpendicularly aligned to the plane of the display, with the "
41 | "positive z-axis extending towards the viewer. Every sheet of material occupies a single "
42 | "position along the z-axis and has a standard 1dp thickness.\n"
43 | "On the web, the z-axis is used for layering and not for perspective. The 3D world is "
44 | "emulated by manipulating the y-axis.\n\n"
45 |
46 | "Light and shadow.\n\n"
47 |
48 | "Within the material environment, virtual lights illuminate the scene. Key lights create "
49 | "directional shadows, while ambient light creates soft shadows from all angles.\n"
50 | "Shadows in the material environment are cast by these two light sources. In Android "
51 | "development, shadows occur when light sources are blocked by sheets of material at "
52 | "various positions along the z-axis. On the web, shadows are depicted by manipulating the "
53 | "y-axis only. The following example shows the card with a height of 6dp.\n\n"
54 |
55 | "Resting elevation.\n\n"
56 |
57 | "All material objects, regardless of size, have a resting elevation, or default elevation "
58 | "that does not change. If an object changes elevation, it should return to its resting "
59 | "elevation as soon as possible.\n\n"
60 |
61 | "Component elevations.\n\n"
62 |
63 | "The resting elevation for a component type is consistent across apps (e.g., FAB elevation "
64 | "does not vary from 6dp in one app to 16dp in another app).\n"
65 | "Components may have different resting elevations across platforms, depending on the depth "
66 | "of the environment (e.g., TV has a greater depth than mobile or desktop).\n\n"
67 |
68 | "Responsive elevation and dynamic elevation offsets.\n\n"
69 |
70 | "Some component types have responsive elevation, meaning they change elevation in response "
71 | "to user input (e.g., normal, focused, and pressed) or system events. These elevation "
72 | "changes are consistently implemented using dynamic elevation offsets.\n"
73 | "Dynamic elevation offsets are the goal elevation that a component moves towards, relative "
74 | "to the component’s resting state. They ensure that elevation changes are consistent "
75 | "across actions and component types. For example, all components that lift on press have "
76 | "the same elevation change relative to their resting elevation.\n"
77 | "Once the input event is completed or cancelled, the component will return to its resting "
78 | "elevation.\n\n"
79 |
80 | "Avoiding elevation interference.\n\n"
81 |
82 | "Components with responsive elevations may encounter other components as they move between "
83 | "their resting elevations and dynamic elevation offsets. Because material cannot pass "
84 | "through other material, components avoid interfering with one another any number of ways, "
85 | "whether on a per component basis or using the entire app layout.\n"
86 | "On a component level, components can move or be removed before they cause interference. "
87 | "For example, a floating action button (FAB) can disappear or move off screen before a "
88 | "user picks up a card, or it can move if a snackbar appears.\n"
89 | "On the layout level, design your app layout to minimize opportunities for interference. "
90 | "For example, position the FAB to one side of stream of a cards so the FAB won’t interfere "
91 | "when a user tries to pick up one of cards.\n\n"
92 |
93 | Settings
94 |
95 |
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/app/src/main/res/values/styles.xml:
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1 |
2 |
3 |
4 |
11 |
12 |
16 |
17 |
18 |
19 |
20 |
21 |
24 |
25 |
26 |
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/app/src/test/java/com/jaouan/carouselbrowsing/ExampleUnitTest.java:
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1 | package com.jaouan.carouselbrowsing;
2 |
3 | import org.junit.Test;
4 |
5 | import static org.junit.Assert.*;
6 |
7 | /**
8 | * To work on unit tests, switch the Test Artifact in the Build Variants view.
9 | */
10 | public class ExampleUnitTest {
11 | @Test
12 | public void addition_isCorrect() throws Exception {
13 | assertEquals(4, 2 + 2);
14 | }
15 | }
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/art/demo.gif:
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https://raw.githubusercontent.com/Jaouan/Carousel-Browsing-Example/6d9e87a454d3b727b60643258f24f653516b38a4/art/demo.gif
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/build.gradle:
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1 | // Top-level build file where you can add configuration options common to all sub-projects/modules.
2 |
3 | buildscript {
4 | repositories {
5 | jcenter()
6 | }
7 | dependencies {
8 | classpath 'com.android.tools.build:gradle:2.1.2'
9 |
10 | // NOTE: Do not place your application dependencies here; they belong
11 | // in the individual module build.gradle files
12 | }
13 | }
14 |
15 | allprojects {
16 | repositories {
17 | jcenter()
18 | }
19 | }
20 |
21 | task clean(type: Delete) {
22 | delete rootProject.buildDir
23 | }
24 |
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/gradle.properties:
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1 | # Project-wide Gradle settings.
2 |
3 | # IDE (e.g. Android Studio) users:
4 | # Gradle settings configured through the IDE *will override*
5 | # any settings specified in this file.
6 |
7 | # For more details on how to configure your build environment visit
8 | # http://www.gradle.org/docs/current/userguide/build_environment.html
9 |
10 | # Specifies the JVM arguments used for the daemon process.
11 | # The setting is particularly useful for tweaking memory settings.
12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m
13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
14 |
15 | # When configured, Gradle will run in incubating parallel mode.
16 | # This option should only be used with decoupled projects. More details, visit
17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
18 | # org.gradle.parallel=true
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/Jaouan/Carousel-Browsing-Example/6d9e87a454d3b727b60643258f24f653516b38a4/gradle/wrapper/gradle-wrapper.jar
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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Mon Dec 28 10:00:20 PST 2015
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip
7 |
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/gradlew:
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1 | #!/usr/bin/env bash
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
10 | DEFAULT_JVM_OPTS=""
11 |
12 | APP_NAME="Gradle"
13 | APP_BASE_NAME=`basename "$0"`
14 |
15 | # Use the maximum available, or set MAX_FD != -1 to use that value.
16 | MAX_FD="maximum"
17 |
18 | warn ( ) {
19 | echo "$*"
20 | }
21 |
22 | die ( ) {
23 | echo
24 | echo "$*"
25 | echo
26 | exit 1
27 | }
28 |
29 | # OS specific support (must be 'true' or 'false').
30 | cygwin=false
31 | msys=false
32 | darwin=false
33 | case "`uname`" in
34 | CYGWIN* )
35 | cygwin=true
36 | ;;
37 | Darwin* )
38 | darwin=true
39 | ;;
40 | MINGW* )
41 | msys=true
42 | ;;
43 | esac
44 |
45 | # Attempt to set APP_HOME
46 | # Resolve links: $0 may be a link
47 | PRG="$0"
48 | # Need this for relative symlinks.
49 | while [ -h "$PRG" ] ; do
50 | ls=`ls -ld "$PRG"`
51 | link=`expr "$ls" : '.*-> \(.*\)$'`
52 | if expr "$link" : '/.*' > /dev/null; then
53 | PRG="$link"
54 | else
55 | PRG=`dirname "$PRG"`"/$link"
56 | fi
57 | done
58 | SAVED="`pwd`"
59 | cd "`dirname \"$PRG\"`/" >/dev/null
60 | APP_HOME="`pwd -P`"
61 | cd "$SAVED" >/dev/null
62 |
63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
64 |
65 | # Determine the Java command to use to start the JVM.
66 | if [ -n "$JAVA_HOME" ] ; then
67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
68 | # IBM's JDK on AIX uses strange locations for the executables
69 | JAVACMD="$JAVA_HOME/jre/sh/java"
70 | else
71 | JAVACMD="$JAVA_HOME/bin/java"
72 | fi
73 | if [ ! -x "$JAVACMD" ] ; then
74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
75 |
76 | Please set the JAVA_HOME variable in your environment to match the
77 | location of your Java installation."
78 | fi
79 | else
80 | JAVACMD="java"
81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
82 |
83 | Please set the JAVA_HOME variable in your environment to match the
84 | location of your Java installation."
85 | fi
86 |
87 | # Increase the maximum file descriptors if we can.
88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
89 | MAX_FD_LIMIT=`ulimit -H -n`
90 | if [ $? -eq 0 ] ; then
91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
92 | MAX_FD="$MAX_FD_LIMIT"
93 | fi
94 | ulimit -n $MAX_FD
95 | if [ $? -ne 0 ] ; then
96 | warn "Could not set maximum file descriptor limit: $MAX_FD"
97 | fi
98 | else
99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
100 | fi
101 | fi
102 |
103 | # For Darwin, add options to specify how the application appears in the dock
104 | if $darwin; then
105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
106 | fi
107 |
108 | # For Cygwin, switch paths to Windows format before running java
109 | if $cygwin ; then
110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
112 | JAVACMD=`cygpath --unix "$JAVACMD"`
113 |
114 | # We build the pattern for arguments to be converted via cygpath
115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
116 | SEP=""
117 | for dir in $ROOTDIRSRAW ; do
118 | ROOTDIRS="$ROOTDIRS$SEP$dir"
119 | SEP="|"
120 | done
121 | OURCYGPATTERN="(^($ROOTDIRS))"
122 | # Add a user-defined pattern to the cygpath arguments
123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
125 | fi
126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
127 | i=0
128 | for arg in "$@" ; do
129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
131 |
132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
134 | else
135 | eval `echo args$i`="\"$arg\""
136 | fi
137 | i=$((i+1))
138 | done
139 | case $i in
140 | (0) set -- ;;
141 | (1) set -- "$args0" ;;
142 | (2) set -- "$args0" "$args1" ;;
143 | (3) set -- "$args0" "$args1" "$args2" ;;
144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
150 | esac
151 | fi
152 |
153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
154 | function splitJvmOpts() {
155 | JVM_OPTS=("$@")
156 | }
157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
159 |
160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
161 |
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/gradlew.bat:
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1 | @if "%DEBUG%" == "" @echo off
2 | @rem ##########################################################################
3 | @rem
4 | @rem Gradle startup script for Windows
5 | @rem
6 | @rem ##########################################################################
7 |
8 | @rem Set local scope for the variables with windows NT shell
9 | if "%OS%"=="Windows_NT" setlocal
10 |
11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
12 | set DEFAULT_JVM_OPTS=
13 |
14 | set DIRNAME=%~dp0
15 | if "%DIRNAME%" == "" set DIRNAME=.
16 | set APP_BASE_NAME=%~n0
17 | set APP_HOME=%DIRNAME%
18 |
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 |
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 |
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 |
32 | goto fail
33 |
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 |
38 | if exist "%JAVA_EXE%" goto init
39 |
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 |
46 | goto fail
47 |
48 | :init
49 | @rem Get command-line arguments, handling Windowz variants
50 |
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | if "%@eval[2+2]" == "4" goto 4NT_args
53 |
54 | :win9xME_args
55 | @rem Slurp the command line arguments.
56 | set CMD_LINE_ARGS=
57 | set _SKIP=2
58 |
59 | :win9xME_args_slurp
60 | if "x%~1" == "x" goto execute
61 |
62 | set CMD_LINE_ARGS=%*
63 | goto execute
64 |
65 | :4NT_args
66 | @rem Get arguments from the 4NT Shell from JP Software
67 | set CMD_LINE_ARGS=%$
68 |
69 | :execute
70 | @rem Setup the command line
71 |
72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
73 |
74 | @rem Execute Gradle
75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
76 |
77 | :end
78 | @rem End local scope for the variables with windows NT shell
79 | if "%ERRORLEVEL%"=="0" goto mainEnd
80 |
81 | :fail
82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
83 | rem the _cmd.exe /c_ return code!
84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
85 | exit /b 1
86 |
87 | :mainEnd
88 | if "%OS%"=="Windows_NT" endlocal
89 |
90 | :omega
91 |
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/settings.gradle:
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1 | include ':app'
2 |
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