├── .gitignore ├── .idea ├── codeStyles │ └── Project.xml └── gradle.xml ├── LICENSE ├── README.md ├── README_Res ├── CartAdapter.png ├── cartlayout-1.0.6.aar └── release │ └── app-release.apk ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── ocnyang │ │ └── cartlayoutdemo │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── ic_app-web.png │ ├── java │ │ └── com │ │ │ └── ocnyang │ │ │ └── cartlayoutdemo │ │ │ ├── MainActivity.java │ │ │ ├── MainAdapter.java │ │ │ ├── bean │ │ │ ├── GoodsBean.java │ │ │ ├── NormalBean.java │ │ │ └── ShopBean.java │ │ │ └── viewholder │ │ │ ├── ChildViewHolder.java │ │ │ ├── GroupViewHolder.java │ │ │ └── NormalViewHolder.java │ └── res │ │ ├── drawable-v24 │ │ ├── ic_launcher_foreground.xml │ │ └── shape_divider_1_v.xml │ │ ├── drawable │ │ ├── ic_app_background.xml │ │ ├── ic_app_foreground.xml │ │ ├── ic_close.xml │ │ ├── ic_launcher_background.xml │ │ ├── ic_logo.xml │ │ ├── ic_notifications_none.xml │ │ ├── shape_cart_item_add_cut_border.xml │ │ ├── shape_divider_1_v.xml │ │ └── shape_item_normal_bg.xml │ │ ├── layout │ │ ├── activity_main.xml │ │ ├── activity_main_item_child.xml │ │ ├── activity_main_item_group.xml │ │ └── activity_main_item_normal.xml │ │ ├── menu │ │ └── main_contextmenu.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_app.xml │ │ └── ic_app_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_app.png │ │ └── ic_app_round.png │ │ ├── mipmap-mdpi │ │ ├── ic_app.png │ │ └── ic_app_round.png │ │ ├── mipmap-xhdpi │ │ ├── ic_app.png │ │ └── ic_app_round.png │ │ ├── mipmap-xxhdpi │ │ ├── ic_app.png │ │ └── ic_app_round.png │ │ ├── mipmap-xxxhdpi │ │ ├── ic_app.png │ │ └── ic_app_round.png │ │ └── values │ │ ├── colors.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── com │ └── ocnyang │ └── cartlayoutdemo │ └── ExampleUnitTest.java ├── build.gradle ├── cartlayout ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── ocnyang │ │ └── cartlayout │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── ocnyang │ │ │ └── cartlayout │ │ │ ├── CartAdapter.java │ │ │ ├── ParseHelper.java │ │ │ ├── RecyclerViewWithContextMenu.java │ │ │ ├── bean │ │ │ ├── CartItemBean.java │ │ │ ├── ChildItemBean.java │ │ │ ├── GroupItemBean.java │ │ │ ├── ICartItem.java │ │ │ ├── IChildItem.java │ │ │ └── IGroupItem.java │ │ │ ├── listener │ │ │ ├── CartOnCheckChangeListener.java │ │ │ ├── OnCheckChangeListener.java │ │ │ ├── OnChildCollapsingChangeListener.java │ │ │ └── OnItemChangeListener.java │ │ │ └── viewholder │ │ │ └── CartViewHolder.java │ └── res │ │ └── values │ │ └── strings.xml │ └── test │ └── java │ └── com │ └── ocnyang │ └── cartlayout │ └── ExampleUnitTest.java ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | .idea 4 | .DS_Store 5 | /build 6 | /captures 7 | .externalNativeBuild 8 | app/release/output.json 9 | /local.properties 10 | README_Res/release/output.json 11 | /.idea/ 12 | -------------------------------------------------------------------------------- /.idea/codeStyles/Project.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 7 | 8 | 9 |
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Add the JitPack repository to your build file 30 | 31 | Add it in your root build.gradle at the end of repositories: 32 | 33 | allprojects { 34 | repositories { 35 | ... 36 | maven { url 'https://jitpack.io' } 37 | } 38 | } 39 | 40 | 41 | ### Step 2. Add the dependency 42 | 43 | dependencies { 44 | implementation 'com.github.OCNYang:CartLayout:v1.0.7' 45 | } 46 | 47 | ## 使用方法： 48 | 49 | 创建 Adapter： 50 | 51 | ``` 52 | // 创建你自己的 Adapter 继承 CartAdapter 并实现对应方法。 53 | public class MyAdapter extends CartAdapter { 54 | 55 | public MainAdapter(...) { 56 | super(...); 57 | } 58 | 59 | // 返回对应的 itemViewHolder 60 | @Override 61 | protected CartViewHolder getXXXViewHolder(View itemView) {} 62 | 63 | // 返回对应的 item 布局文件 64 | @Override 65 | protected int getXXXItemLayout() { return R.layout.activity_main_item_XXX; } 66 | 67 | // 根据布局类型渲染不同的布局 68 | @Override 69 | public void onBindViewHolder(@NonNull CartViewHolder holder, final int position) { 70 | super.onBindViewHolder(holder, position); 71 | if (holder instanceof ChildViewHolder) { 72 | ... 73 | } else if (holder instanceof GroupViewHolder) { 74 | ... 75 | } else if (holder instanceof NormalViewHolder) { 76 | ... 77 | } 78 | } 79 | } 80 | ``` 81 | 82 | 将 Adapter 设置给 RecyclerView: 83 | 84 | ``` 85 | recyclerView.setLayoutManager(new LinearLayoutManager(this)); 86 | mAdapter = new MyAdapter(this, getData()); 87 | // 设置是否可以折叠，默认不可折叠； (建议使用)也可以通过 Adapter 的构造方法传入 mAdapter = new MyAdapter(this, getData(), true); 88 | mAdapter.setCanCollapsing(true); 89 | // 设置勾选状态变化的监听器，用来统计总价等逻辑，（必须要设置） 90 | mAdapter.setOnCheckChangeListener(new CartOnCheckChangeListener(recyclerView, mAdapter) { 91 | @Override 92 | public void onCalculateChanged(ICartItem cartItemBean) { 93 | calculate(); 94 | } 95 | }); 96 | recyclerView.setAdapter(mAdapter); 97 | 98 | // 给列表注册 ContextMenu 事件。 99 | registerForContextMenu(recyclerView); 100 | ``` 101 | 102 | > 更详细的使用方法请查看 Demo，Demo 中实现方式和各方法的作用在注释中写的很详细。 103 | 104 | [APK下载地址](./README_Res/release/app-release.apk) 105 | 106 | [直接下载 aar 包使用](./README_Res/cartlayout-1.0.6.aar) 107 | -------------------------------------------------------------------------------- /README_Res/CartAdapter.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/OCNYang/CartLayout/af91716c1c86a90fd4c9449c84c004249f0c0466/README_Res/CartAdapter.png -------------------------------------------------------------------------------- /README_Res/cartlayout-1.0.6.aar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/OCNYang/CartLayout/af91716c1c86a90fd4c9449c84c004249f0c0466/README_Res/cartlayout-1.0.6.aar -------------------------------------------------------------------------------- /README_Res/release/app-release.apk: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/OCNYang/CartLayout/af91716c1c86a90fd4c9449c84c004249f0c0466/README_Res/release/app-release.apk -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | group='com.github.OCNYang' 4 | 5 | android { 6 | compileSdkVersion 31 7 | defaultConfig { 8 | applicationId "com.ocnyang.cartlayoutdemo" 9 | minSdkVersion 14 10 | targetSdkVersion 31 11 | versionCode 2 12 | versionName "1.0.1" 13 | testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner' 14 | } 15 | buildTypes { 16 | release { 17 | minifyEnabled false 18 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 19 | } 20 | } 21 | } 22 | 23 | dependencies { 24 | implementation fileTree(include: ['*.jar'], dir: 'libs') 25 | implementation 'androidx.appcompat:appcompat:1.0.0' 26 | implementation 'androidx.constraintlayout:constraintlayout:1.1.3' 27 | testImplementation 'junit:junit:4.12' 28 | androidTestImplementation 'androidx.test.ext:junit:1.1.1' 29 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0' 30 | implementation 'androidx.recyclerview:recyclerview:1.0.0' 31 | implementation project(':cartlayout') 32 | // implementation 'com.github.OCNYang:CartLayout:v1.0.5' 33 | } 34 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile 22 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/ocnyang/cartlayoutdemo/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package com.ocnyang.cartlayoutdemo; 2 | 3 | import android.content.Context; 4 | import androidx.test.platform.app.InstrumentationRegistry; 5 | import androidx.test.ext.junit.runners.AndroidJUnit4; 6 | 7 | import org.junit.Test; 8 | import org.junit.runner.RunWith; 9 | 10 | import static org.junit.Assert.*; 11 | 12 | /** 13 | * Instrumented test, which will execute on an Android device. 14 | * 15 | * @see Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("com.ocnyang.cartlayoutdemo", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 12 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /app/src/main/ic_app-web.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/OCNYang/CartLayout/af91716c1c86a90fd4c9449c84c004249f0c0466/app/src/main/ic_app-web.png -------------------------------------------------------------------------------- /app/src/main/java/com/ocnyang/cartlayoutdemo/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.ocnyang.cartlayoutdemo; 2 | 3 | import android.os.Bundle; 4 | import androidx.appcompat.app.AppCompatActivity; 5 | import androidx.recyclerview.widget.LinearLayoutManager; 6 | import androidx.recyclerview.widget.RecyclerView; 7 | import android.util.Log; 8 | import android.view.ContextMenu; 9 | import android.view.MenuItem; 10 | import android.view.View; 11 | import android.widget.Button; 12 | import android.widget.CheckBox; 13 | import android.widget.TextView; 14 | import android.widget.Toast; 15 | 16 | import com.ocnyang.cartlayout.RecyclerViewWithContextMenu; 17 | import com.ocnyang.cartlayout.bean.CartItemBean; 18 | import com.ocnyang.cartlayout.bean.ICartItem; 19 | import com.ocnyang.cartlayout.listener.CartOnCheckChangeListener; 20 | import com.ocnyang.cartlayoutdemo.bean.GoodsBean; 21 | import com.ocnyang.cartlayoutdemo.bean.NormalBean; 22 | import com.ocnyang.cartlayoutdemo.bean.ShopBean; 23 | 24 | import java.util.ArrayList; 25 | import java.util.List; 26 | 27 | public class MainActivity extends AppCompatActivity implements View.OnClickListener { 28 | 29 | private RecyclerView recyclerView; 30 | private TextView mTvTitle; 31 | private TextView mTvEdit; 32 | private CheckBox mCheckBoxAll; 33 | private TextView mTvTotal; 34 | private Button mBtnSubmit; 35 | 36 | MainAdapter mAdapter; 37 | 38 | private boolean isEditing;//是否处于编辑状态 39 | private int totalCount;//购物车商品ChildItem的总数量，店铺条目不计算在内 40 | private int totalCheckedCount;//勾选的商品总数量，店铺条目不计算在内 41 | private double totalPrice;//勾选的商品总价格 42 | 43 | @Override 44 | protected void onCreate(Bundle savedInstanceState) { 45 | super.onCreate(savedInstanceState); 46 | setContentView(R.layout.activity_main); 47 | 48 | recyclerView = ((RecyclerView) findViewById(R.id.recycler)); 49 | mTvTitle = ((TextView) findViewById(R.id.tv_title)); 50 | mTvEdit = ((TextView) findViewById(R.id.tv_edit)); 51 | mCheckBoxAll = ((CheckBox) findViewById(R.id.checkbox_all)); 52 | mTvTotal = ((TextView) findViewById(R.id.tv_total_price)); 53 | mBtnSubmit = ((Button) findViewById(R.id.btn_go_to_pay)); 54 | 55 | mTvEdit.setOnClickListener(this); 56 | mCheckBoxAll.setOnClickListener(this); 57 | mBtnSubmit.setOnClickListener(this); 58 | 59 | mTvTitle.setText(getString(R.string.cart, 0)); 60 | mBtnSubmit.setText(getString(R.string.go_settle_X, 0)); 61 | mTvTotal.setText(getString(R.string.rmb_X, 0.00)); 62 | 63 | recyclerView.setLayoutManager(new LinearLayoutManager(this)); 64 | mAdapter = new MainAdapter(this, getData()); 65 | mAdapter.setCanCollapsing(true); 66 | mAdapter.setOnCheckChangeListener(new CartOnCheckChangeListener(recyclerView, mAdapter) { 67 | @Override 68 | public void onCalculateChanged(ICartItem cartItemBean) { 69 | calculate(); 70 | } 71 | }); 72 | recyclerView.setAdapter(mAdapter); 73 | 74 | // 给列表注册 ContextMenu 事件。 75 | // 同时如果想让ItemView响应长按弹出菜单，需要在item xml布局中设置 android:longClickable="true" 76 | registerForContextMenu(recyclerView); 77 | } 78 | 79 | /** 80 | * 添加选项菜单 81 | * 82 | * @param menu 83 | * @param v 84 | * @param menuInfo 85 | */ 86 | @Override 87 | public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) { 88 | super.onCreateContextMenu(menu, v, menuInfo); 89 | getMenuInflater().inflate(R.menu.main_contextmenu, menu); 90 | } 91 | 92 | /** 93 | * 选项菜单点击事件 94 | * 95 | * @param item 96 | * @return 97 | */ 98 | @Override 99 | public boolean onContextItemSelected(MenuItem item) { 100 | //获取到的是 listView 里的条目信息 101 | RecyclerViewWithContextMenu.RecyclerViewContextInfo info = (RecyclerViewWithContextMenu.RecyclerViewContextInfo) item.getMenuInfo(); 102 | Log.d("ContentMenu", "onCreateContextMenu position = " + (info != null ? info.getPosition() : "-1")); 103 | if (info != null && info.getPosition() != -1) { 104 | switch (item.getItemId()) { 105 | case R.id.action_remove: 106 | mAdapter.removeChild(info.getPosition()); 107 | Toast.makeText(this, "成功移入收藏", Toast.LENGTH_SHORT).show(); 108 | break; 109 | case R.id.action_findmore: 110 | Toast.makeText(this, "查找与" + ((GoodsBean) mAdapter.getData().get(info.getPosition())).getGoods_name() + "相似的产品", Toast.LENGTH_SHORT).show(); 111 | break; 112 | case R.id.action_delete: 113 | mAdapter.removeChild(info.getPosition()); 114 | break; 115 | default: 116 | break; 117 | } 118 | } 119 | return super.onContextItemSelected(item); 120 | } 121 | 122 | /** 123 | * 统计操作
124 | * 1.先清空全局计数器
125 | * 2.遍历所有子元素，只要是被选中状态的，就进行相关的计算操作
126 | * 3.给相关的 textView 进行数据填充 127 | */ 128 | private void calculate() { 129 | totalCheckedCount = 0; 130 | totalCount = 0; 131 | totalPrice = 0.00; 132 | int notChildTotalCount = 0; 133 | if (mAdapter.getData() != null) { 134 | for (ICartItem iCartItem : mAdapter.getData()) { 135 | if (iCartItem.getItemType() == ICartItem.TYPE_CHILD) { 136 | totalCount++; 137 | if (iCartItem.isChecked()) { 138 | totalCheckedCount++; 139 | totalPrice += ((GoodsBean) iCartItem).getGoods_price() * ((GoodsBean) iCartItem).getGoods_amount(); 140 | } 141 | } else { 142 | notChildTotalCount++; 143 | } 144 | } 145 | } 146 | 147 | mTvTitle.setText(getString(R.string.cart, totalCount)); 148 | mBtnSubmit.setText(getString(isEditing ? R.string.delete_X : R.string.go_settle_X, totalCheckedCount)); 149 | mTvTotal.setText(getString(R.string.rmb_X, totalPrice)); 150 | if (mCheckBoxAll.isChecked() && (totalCheckedCount == 0 || (totalCheckedCount + notChildTotalCount) != mAdapter.getData().size())) { 151 | mCheckBoxAll.setChecked(false); 152 | } 153 | if (totalCheckedCount != 0 && (!mCheckBoxAll.isChecked()) && (totalCheckedCount + notChildTotalCount) == mAdapter.getData().size()) { 154 | mCheckBoxAll.setChecked(true); 155 | } 156 | } 157 | 158 | @Override 159 | public void onClick(View v) { 160 | switch (v.getId()) { 161 | //编辑按钮事件 162 | case R.id.tv_edit: 163 | isEditing = !isEditing; 164 | mTvEdit.setText(getString(isEditing ? R.string.edit_done : R.string.edit)); 165 | mBtnSubmit.setText(getString(isEditing ? R.string.delete_X : R.string.go_settle_X, totalCheckedCount)); 166 | break; 167 | //提交订单 & 删除选中（编辑状态） 168 | case R.id.btn_go_to_pay: 169 | submitEvent(); 170 | break; 171 | case R.id.checkbox_all: 172 | mAdapter.checkedAll(((CheckBox) v).isChecked()); 173 | break; 174 | default: 175 | break; 176 | } 177 | } 178 | 179 | private void submitEvent() { 180 | if (isEditing) { 181 | if (totalCheckedCount == 0) { 182 | Toast.makeText(this, "请勾选你要删除的商品", Toast.LENGTH_SHORT).show(); 183 | } else { 184 | mAdapter.removeChecked(); 185 | } 186 | 187 | } else { 188 | if (totalCheckedCount == 0) { 189 | Toast.makeText(this, "你还没有选择任何商品", Toast.LENGTH_SHORT).show(); 190 | } else { 191 | Toast.makeText(this, 192 | new StringBuilder().append("你选择了").append(totalCheckedCount).append("件商品") 193 | .append("共计 ").append(totalPrice).append("元"), 194 | Toast.LENGTH_SHORT).show(); 195 | } 196 | } 197 | } 198 | 199 | /** 200 | * 数据初始化尤其重要 201 | * 1. childItem 数据全部在 GroupItem 数据的下方，数据顺序严格按照对应关系； 202 | * 2. GroupItem 下的 ChildItem 数据不能为空； 203 | * 3. 初始化时如果不需要，所有类型的条目都可以不设置ID，GroupItem也不用设置setChilds()； 204 | *

205 | * 列表操作时数据动态的变化设置： 206 | * 1. 通过 CartAdapter 的 addData、setNewData； 207 | * 2. 单个添加各个条目可以通过对应的 add 方法； 208 | * 3. 单独添加一个 GroupItem ,可以把它的 ChildItem 数据放到 setChilds 中。 209 | * 210 | * @return 211 | */ 212 | private List getData() { 213 | ArrayList cartItemBeans = new ArrayList<>(); 214 | 215 | NormalBean normalBean = new NormalBean(); 216 | normalBean.setMarkdownNumber(6); 217 | cartItemBeans.add(normalBean); 218 | 219 | for (int i = 0; i < 10; i++) { 220 | ShopBean shopBean = new ShopBean(); 221 | shopBean.setShop_name("解忧杂货铺 第" + (i + 1) + "分店"); 222 | shopBean.setItemType(CartItemBean.TYPE_GROUP); 223 | cartItemBeans.add(shopBean); 224 | 225 | for (int j = 0; j < (i + 5); j++) { 226 | GoodsBean goodsBean = new GoodsBean(); 227 | goodsBean.setGoods_name("忘忧水 " + (j + 1) + " 代"); 228 | goodsBean.setItemType(CartItemBean.TYPE_CHILD); 229 | goodsBean.setItemId((j + 1) * 10 + j); 230 | goodsBean.setGoods_price(j + 1); 231 | goodsBean.setGroupId(i); 232 | cartItemBeans.add(goodsBean); 233 | } 234 | } 235 | return cartItemBeans; 236 | } 237 | 238 | } 239 | -------------------------------------------------------------------------------- /app/src/main/java/com/ocnyang/cartlayoutdemo/MainAdapter.java: -------------------------------------------------------------------------------- 1 | package com.ocnyang.cartlayoutdemo; 2 | 3 | import android.content.Context; 4 | import androidx.annotation.NonNull; 5 | import android.view.View; 6 | 7 | import com.ocnyang.cartlayout.CartAdapter; 8 | import com.ocnyang.cartlayout.viewholder.CartViewHolder; 9 | import com.ocnyang.cartlayoutdemo.bean.GoodsBean; 10 | import com.ocnyang.cartlayoutdemo.bean.NormalBean; 11 | import com.ocnyang.cartlayoutdemo.bean.ShopBean; 12 | import com.ocnyang.cartlayoutdemo.viewholder.ChildViewHolder; 13 | import com.ocnyang.cartlayoutdemo.viewholder.GroupViewHolder; 14 | import com.ocnyang.cartlayoutdemo.viewholder.NormalViewHolder; 15 | 16 | import java.util.List; 17 | 18 | public class MainAdapter extends CartAdapter { 19 | 20 | public MainAdapter(Context context, List datas) { 21 | super(context, datas); 22 | } 23 | 24 | @Override 25 | protected CartViewHolder getNormalViewHolder(View itemView) { 26 | return new NormalViewHolder(itemView, -1); 27 | } 28 | 29 | @Override 30 | protected CartViewHolder getGroupViewHolder(View itemView) { 31 | return (CartViewHolder) new GroupViewHolder(itemView, R.id.checkbox); 32 | } 33 | 34 | @Override 35 | protected CartViewHolder getChildViewHolder(View itemView) { 36 | return (CartViewHolder) (new ChildViewHolder(itemView, R.id.checkbox) { 37 | @Override 38 | public void onNeedCalculate() { 39 | if (onCheckChangeListener != null) { 40 | onCheckChangeListener.onCalculateChanged(null); 41 | } 42 | } 43 | }); 44 | } 45 | 46 | @Override 47 | protected int getChildItemLayout() { 48 | return R.layout.activity_main_item_child; 49 | } 50 | 51 | @Override 52 | protected int getGroupItemLayout() { 53 | return R.layout.activity_main_item_group; 54 | } 55 | 56 | @Override 57 | protected int getNormalItemLayout() { 58 | return R.layout.activity_main_item_normal; 59 | } 60 | 61 | @Override 62 | public void onBindViewHolder(@NonNull CartViewHolder holder, final int position) { 63 | super.onBindViewHolder(holder, position); 64 | if (holder instanceof ChildViewHolder) { 65 | ChildViewHolder childViewHolder = (ChildViewHolder) holder; 66 | childViewHolder.textView.setText(((GoodsBean) mData.get(position)).getGoods_name()); 67 | childViewHolder.textViewPrice.setText( 68 | mContext.getString(R.string.rmb_X, ((GoodsBean) mData.get(position)).getGoods_price())); 69 | childViewHolder.textViewNum.setText(String.valueOf(((GoodsBean) mData.get(position)).getGoods_amount())); 70 | } else if (holder instanceof GroupViewHolder) { 71 | GroupViewHolder groupViewHolder = (GroupViewHolder) holder; 72 | groupViewHolder.textView.setText(((ShopBean) mData.get(position)).getShop_name()); 73 | } else if (holder instanceof NormalViewHolder) { 74 | NormalViewHolder normalViewHolder = (NormalViewHolder) holder; 75 | normalViewHolder.imgViewClose.setOnClickListener(new View.OnClickListener() { 76 | @Override 77 | public void onClick(View v) { 78 | mData.remove(position); 79 | notifyItemRemoved(position); 80 | notifyItemRangeChanged(position, mData.size()); 81 | } 82 | }); 83 | normalViewHolder.textView.setText(mContext.getString(R.string.normal_tip_X, 84 | ((NormalBean) mData.get(position)).getMarkdownNumber())); 85 | } 86 | } 87 | } 88 | -------------------------------------------------------------------------------- /app/src/main/java/com/ocnyang/cartlayoutdemo/bean/GoodsBean.java: -------------------------------------------------------------------------------- 1 | package com.ocnyang.cartlayoutdemo.bean; 2 | import com.ocnyang.cartlayout.bean.ChildItemBean; 3 | 4 | public class GoodsBean extends ChildItemBean { 5 | private String goods_name; 6 | private double goods_price; 7 | private int goods_amount = 1; 8 | 9 | public int getGoods_amount() { 10 | return goods_amount; 11 | } 12 | 13 | public void setGoods_amount(int goods_amount) { 14 | this.goods_amount = goods_amount; 15 | } 16 | 17 | public double getGoods_price() { 18 | return goods_price; 19 | } 20 | 21 | public void setGoods_price(double goods_price) { 22 | this.goods_price = goods_price; 23 | } 24 | 25 | public String getGoods_name() { 26 | return goods_name; 27 | } 28 | 29 | public void setGoods_name(String goods_name) { 30 | this.goods_name = goods_name; 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /app/src/main/java/com/ocnyang/cartlayoutdemo/bean/NormalBean.java: -------------------------------------------------------------------------------- 1 | package com.ocnyang.cartlayoutdemo.bean; 2 | 3 | import com.ocnyang.cartlayout.bean.CartItemBean; 4 | 5 | /******************************************************************* 6 | * * * * * * * * * * * Created by OCN.Yang 7 | * * * * * * * Time: 2018/6/23 14:03. 8 | * * * * * * * Email address: ocnyang@gmail.com 9 | * * * * * * * * * * *.Yang Web site: www.ocnyang.com 10 | *******************************************************************/ 11 | 12 | public class NormalBean extends CartItemBean{ 13 | int markdownNumber; 14 | 15 | public int getMarkdownNumber() { 16 | return markdownNumber; 17 | } 18 | 19 | public void setMarkdownNumber(int markdownNumber) { 20 | this.markdownNumber = markdownNumber; 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /app/src/main/java/com/ocnyang/cartlayoutdemo/bean/ShopBean.java: -------------------------------------------------------------------------------- 1 | package com.ocnyang.cartlayoutdemo.bean; 2 | 3 | 4 | import com.ocnyang.cartlayout.bean.GroupItemBean; 5 | 6 | public class ShopBean extends GroupItemBean { 7 | String shop_name; 8 | 9 | public String getShop_name() { 10 | return shop_name; 11 | } 12 | 13 | public void setShop_name(String shop_name) { 14 | this.shop_name = shop_name; 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /app/src/main/java/com/ocnyang/cartlayoutdemo/viewholder/ChildViewHolder.java: -------------------------------------------------------------------------------- 1 | package com.ocnyang.cartlayoutdemo.viewholder; 2 | 3 | import android.view.View; 4 | import android.widget.TextView; 5 | import android.widget.Toast; 6 | 7 | import com.ocnyang.cartlayout.viewholder.CartViewHolder; 8 | import com.ocnyang.cartlayoutdemo.R; 9 | import com.ocnyang.cartlayoutdemo.bean.GoodsBean; 10 | 11 | public abstract class ChildViewHolder extends CartViewHolder implements View.OnClickListener { 12 | public TextView textViewReduce; 13 | public TextView textView; 14 | public TextView textViewPrice; 15 | public TextView textViewNum; 16 | public TextView textViewAdd; 17 | 18 | public ChildViewHolder(View itemView, int chekbox_id) { 19 | super(itemView, chekbox_id); 20 | 21 | textView = itemView.findViewById(R.id.tv); 22 | textViewPrice = itemView.findViewById(R.id.tv_price); 23 | textViewReduce = ((TextView) itemView.findViewById(R.id.tv_reduce)); 24 | textViewNum = itemView.findViewById(R.id.tv_num); 25 | textViewAdd = itemView.findViewById(R.id.tv_add); 26 | 27 | itemView.setOnClickListener(this); 28 | textViewReduce.setOnClickListener(this); 29 | textViewAdd.setOnClickListener(this); 30 | } 31 | 32 | @Override 33 | public void onClick(View v) { 34 | switch (v.getId()) { 35 | case R.id.item: 36 | Toast.makeText(v.getContext(), ((GoodsBean) mICartItem).getGoods_name(), Toast.LENGTH_SHORT).show(); 37 | break; 38 | case R.id.tv_reduce: 39 | int intValue = Integer.valueOf(textViewNum.getText().toString()).intValue(); 40 | if (intValue > 1) { 41 | intValue--; 42 | textViewNum.setText(String.valueOf(intValue)); 43 | ((GoodsBean) mICartItem).setGoods_amount(intValue); 44 | onNeedCalculate(); 45 | } 46 | break; 47 | case R.id.tv_add: 48 | int intValue2 = Integer.valueOf(textViewNum.getText().toString()).intValue(); 49 | intValue2++; 50 | textViewNum.setText(String.valueOf(intValue2)); 51 | ((GoodsBean) mICartItem).setGoods_amount(intValue2); 52 | onNeedCalculate(); 53 | break; 54 | default: 55 | break; 56 | } 57 | } 58 | 59 | /** 60 | * 这里因为把 ViewHolder 没有写到 adapter 中作为内部类，所以对事件写了一个回调的抽象方法。 61 | * 如果不想这样写，你可以在以下方式中选其一： 62 | * 1. 将 ViewHolder 写到 Adapter 中作为内部类，这样你就可以访问 Adapter 中的一些方法属性了； 63 | * 2. 或者，你把 ItemView & ItemChildView 的事件放到 Adapter 中的 onBindViewHolder() 方法中设置。 64 | */ 65 | public abstract void onNeedCalculate(); 66 | } 67 | -------------------------------------------------------------------------------- /app/src/main/java/com/ocnyang/cartlayoutdemo/viewholder/GroupViewHolder.java: -------------------------------------------------------------------------------- 1 | package com.ocnyang.cartlayoutdemo.viewholder; 2 | 3 | import android.view.View; 4 | import android.widget.TextView; 5 | 6 | import com.ocnyang.cartlayout.viewholder.CartViewHolder; 7 | import com.ocnyang.cartlayoutdemo.R; 8 | 9 | public class GroupViewHolder extends CartViewHolder { 10 | public TextView textView; 11 | 12 | public GroupViewHolder(View itemView, int chekbox_id) { 13 | super(itemView, chekbox_id); 14 | textView = itemView.findViewById(R.id.tv); 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /app/src/main/java/com/ocnyang/cartlayoutdemo/viewholder/NormalViewHolder.java: -------------------------------------------------------------------------------- 1 | package com.ocnyang.cartlayoutdemo.viewholder; 2 | 3 | import android.view.View; 4 | import android.widget.ImageView; 5 | import android.widget.TextView; 6 | 7 | import com.ocnyang.cartlayout.viewholder.CartViewHolder; 8 | import com.ocnyang.cartlayoutdemo.R; 9 | 10 | public class NormalViewHolder extends CartViewHolder { 11 | public TextView textView; 12 | public ImageView imgViewClose; 13 | 14 | public NormalViewHolder(View itemView, int chekbox_id) { 15 | super(itemView, chekbox_id); 16 | textView = itemView.findViewById(R.id.tv); 17 | imgViewClose = itemView.findViewById(R.id.img_close); 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 12 | 13 | 19 | 22 | 25 | 26 | 27 | 28 | 34 | 35 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/shape_divider_1_v.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 8 | 9 | 10 | 12 | 13 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_app_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 11 | 16 | 21 | 26 | 31 | 36 | 41 | 46 | 51 | 56 | 61 | 66 | 71 | 76 | 81 | 86 | 91 | 96 | 101 | 106 | 111 | 116 | 121 | 126 | 131 | 136 | 141 | 146 | 151 | 156 | 161 | 166 | 171 | 172 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_app_foreground.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 11 | 14 | 17 | 20 | 23 | 26 | 29 | 32 | 35 | 38 | 41 | 44 | 47 | 48 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_close.xml: -------------------------------------------------------------------------------- 1 | 6 | 9 | 10 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 11 | 16 | 21 | 26 | 31 | 36 | 41 | 46 | 51 | 56 | 61 | 66 | 71 | 76 | 81 | 86 | 91 | 96 | 101 | 106 | 111 | 116 | 121 | 126 | 131 | 136 | 141 | 146 | 151 | 156 | 161 | 166 | 171 | 172 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_logo.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 11 | 14 | 17 | 20 | 23 | 26 | 29 | 32 | 35 | 38 | 41 | 44 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_notifications_none.xml: -------------------------------------------------------------------------------- 1 | 6 | 9 | 10 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/shape_cart_item_add_cut_border.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 7 | 10 | 11 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/shape_divider_1_v.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 8 | 9 | 10 | 12 | 13 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/shape_item_normal_bg.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 7 | 10 | 11 | 12 | 14 | 15 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 10 | 11 | 16 | 17 | 24 | 25 | 34 | 35 | 46 | 47 | 52 | 53 | 54 | 55 | 56 | 61 | 62 | 71 | 72 | 77 | 78 | 85 | 86 | 94 | 95 |