├── .gitignore
├── .idea
├── caches
│ └── build_file_checksums.ser
├── gradle.xml
├── misc.xml
└── runConfigurations.xml
├── README.md
├── app
├── .gitignore
├── build.gradle
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── com
│ │ └── lcf
│ │ └── dragrecycle
│ │ └── ExampleInstrumentedTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── com
│ │ │ └── lcf
│ │ │ └── dragrecycle
│ │ │ ├── ItemTouchHelperCallback.java
│ │ │ ├── MainActivity.java
│ │ │ ├── SelectedRecycleAdapter.java
│ │ │ ├── SpaceItemDecoration.java
│ │ │ └── UnSelectedRecycleAdapter.java
│ └── res
│ │ ├── drawable-v24
│ │ └── ic_launcher_foreground.xml
│ │ ├── drawable
│ │ ├── add.png
│ │ ├── delete.png
│ │ ├── ic_launcher.png
│ │ ├── ic_launcher_background.xml
│ │ └── tv_bg.xml
│ │ ├── layout
│ │ ├── activity_main.xml
│ │ ├── item.xml
│ │ └── tv.xml
│ │ ├── mipmap-anydpi-v26
│ │ ├── ic_launcher.xml
│ │ └── ic_launcher_round.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
│ │ ├── colors.xml
│ │ ├── strings.xml
│ │ └── styles.xml
│ └── test
│ └── java
│ └── com
│ └── lcf
│ └── dragrecycle
│ └── ExampleUnitTest.java
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
├── screenshot
├── 602EAB3351D7043A95B72CDE7F6FCEA0.jpg
└── C2E8CA5ABD9BAC9A7956A73318CFBCE2.jpg
└── settings.gradle
/.gitignore:
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2 | .gradle
3 | /local.properties
4 | /.idea/libraries
5 | /.idea/modules.xml
6 | /.idea/workspace.xml
7 | .DS_Store
8 | /build
9 | /captures
10 | .externalNativeBuild
11 |
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/.idea/caches/build_file_checksums.ser:
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/.idea/runConfigurations.xml:
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/README.md:
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1 | # DragRecycleView
2 | 仿网易新闻栏目编辑功能，增加，拖拽,效果图请先查看screenshot文件夹
3 | 
4 | 
5 |
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/app/.gitignore:
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1 | /build
2 |
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 26
5 | defaultConfig {
6 | applicationId "com.lcf.dragrecycle"
7 | minSdkVersion 15
8 | targetSdkVersion 27
9 | versionCode 1
10 | versionName "1.0"
11 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
12 | }
13 | buildTypes {
14 | release {
15 | postprocessing {
16 | removeUnusedCode false
17 | removeUnusedResources false
18 | obfuscate false
19 | optimizeCode false
20 | proguardFile 'proguard-rules.pro'
21 | }
22 | }
23 | }
24 | }
25 |
26 | dependencies {
27 | implementation fileTree(include: ['*.jar'], dir: 'libs')
28 | implementation 'com.android.support:appcompat-v7:26.1.0'
29 | implementation 'com.android.support.constraint:constraint-layout:1.0.2'
30 | testImplementation 'junit:junit:4.12'
31 | androidTestImplementation 'com.android.support.test:runner:1.0.1'
32 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
33 | implementation 'com.android.support:recyclerview-v7:26.1.0'
34 | }
35 |
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/app/proguard-rules.pro:
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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 |
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/app/src/androidTest/java/com/lcf/dragrecycle/ExampleInstrumentedTest.java:
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1 | package com.lcf.dragrecycle;
2 |
3 | import android.content.Context;
4 | import android.support.test.InstrumentationRegistry;
5 | import android.support.test.runner.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() throws Exception {
21 | // Context of the app under test.
22 | Context appContext = InstrumentationRegistry.getTargetContext();
23 |
24 | assertEquals("com.lcf.dragrecycle", appContext.getPackageName());
25 | }
26 | }
27 |
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/app/src/main/AndroidManifest.xml:
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/app/src/main/java/com/lcf/dragrecycle/ItemTouchHelperCallback.java:
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1 | package com.lcf.dragrecycle;
2 |
3 | import android.support.v7.widget.RecyclerView;
4 | import android.support.v7.widget.helper.ItemTouchHelper;
5 |
6 | /**
7 | * Created by lichunfu on 2018/2/7.
8 | * Created by hzh on 2016/7/8.
9 | * 该类工作与ItemTouchHelper和你的app之间，起一个桥梁的作用
10 | * 主要负责，定义用户drag和swipe的方向，以及当户产生了指定手势会收到相应的回调方法
11 | */
12 |
13 |
14 | public class ItemTouchHelperCallback extends ItemTouchHelper.Callback {
15 | private OnItemPositionChangeListener mListener;
16 |
17 | public ItemTouchHelperCallback(OnItemPositionChangeListener mListener) {
18 | this.mListener = mListener;
19 | }
20 |
21 | @Override
22 | public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
23 | final int dragFlags = ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT
24 | | ItemTouchHelper.UP | ItemTouchHelper.DOWN;
25 |
26 |
27 | //can be dragged, can not be swiped
28 | return makeMovementFlags(dragFlags, 0);
29 | }
30 |
31 | @Override
32 | public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
33 | if (mListener != null) {
34 | return mListener.onItemMove(viewHolder.getAdapterPosition(), target.getAdapterPosition());
35 | }
36 | return false;
37 | }
38 |
39 | @Override
40 | public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
41 |
42 | }
43 |
44 |
45 | public interface OnItemPositionChangeListener {
46 | boolean onItemMove(int fromPos, int toPos);
47 | }
48 | }
49 |
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/app/src/main/java/com/lcf/dragrecycle/MainActivity.java:
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1 | package com.lcf.dragrecycle;
2 |
3 | import android.support.v7.app.AppCompatActivity;
4 | import android.os.Bundle;
5 | import android.support.v7.widget.GridLayoutManager;
6 | import android.support.v7.widget.RecyclerView;
7 | import android.support.v7.widget.helper.ItemTouchHelper;
8 | import android.view.View;
9 | import android.widget.ImageView;
10 | import android.widget.TextView;
11 | import android.widget.Toast;
12 |
13 | import java.util.ArrayList;
14 | import java.util.List;
15 |
16 | public class MainActivity extends AppCompatActivity {
17 |
18 | private RecyclerView mRecycleSelected;
19 | private RecyclerView mRecycleUnSelected;
20 | private List mSelectedDatas;
21 | private List mUnselectedDatas;
22 | private SelectedRecycleAdapter mSelectedAdatper;
23 | private UnSelectedRecycleAdapter mUnSelectedAdatper;
24 | private ItemTouchHelper mItemTouchHelper;
25 |
26 | private TextView mFinishedText;
27 |
28 | private boolean isDeleteIconsShow = false;
29 |
30 | public boolean isDeleteIconsShow() {
31 | return isDeleteIconsShow;
32 | }
33 |
34 | @Override
35 | protected void onCreate(Bundle savedInstanceState) {
36 | super.onCreate(savedInstanceState);
37 | setContentView(R.layout.activity_main);
38 | mRecycleSelected = (RecyclerView) findViewById(R.id.recycle_selected);
39 | mRecycleUnSelected = (RecyclerView) findViewById(R.id.recycle_unselected);
40 | mFinishedText = (TextView) findViewById(R.id.tv_finish);
41 |
42 | initData();
43 | initView();
44 | initEvent();
45 | }
46 |
47 | private void initView() {
48 | mRecycleSelected.setLayoutManager(new GridLayoutManager(this, 4));
49 | mSelectedAdatper = new SelectedRecycleAdapter(this, mSelectedDatas);
50 | mRecycleSelected.setAdapter(mSelectedAdatper);
51 | mRecycleSelected.addItemDecoration(new SpaceItemDecoration(8));
52 |
53 | mRecycleUnSelected.setLayoutManager(new GridLayoutManager(this, 4));
54 | mUnSelectedAdatper = new UnSelectedRecycleAdapter(this, mUnselectedDatas);
55 | mRecycleUnSelected.setAdapter(mUnSelectedAdatper);
56 | mRecycleUnSelected.addItemDecoration(new SpaceItemDecoration(8));
57 |
58 | }
59 |
60 | private void initEvent() {
61 | //初始化ItemTouchHelper实例
62 | ItemTouchHelperCallback callback = new ItemTouchHelperCallback(mSelectedAdatper);
63 | mItemTouchHelper = new ItemTouchHelper(callback);
64 | //mItemTouchHelper关联RecyclerView
65 | mItemTouchHelper.attachToRecyclerView(mRecycleSelected);
66 |
67 | mSelectedAdatper.setOnItemClickListener(new SelectedRecycleAdapter.OnItemClickListener() {
68 | @Override
69 | public void onItemClickListener(SelectedRecycleAdapter.MyViewHolder viewHolder, int pos) {
70 | if (!isDeleteIconsShow) {
71 | Toast.makeText(MainActivity.this, mSelectedDatas.get(pos), Toast.LENGTH_SHORT).show();
72 | }
73 | }
74 |
75 | @Override
76 | public void onItemLongClickListener(SelectedRecycleAdapter.MyViewHolder viewHolder, int pos) {
77 | if (!isDeleteIconsShow) {
78 | showAllDeleteIcons();
79 |
80 | mFinishedText.setVisibility(View.VISIBLE);
81 | }
82 | }
83 | });
84 |
85 | mSelectedAdatper.setOnDeleteIconClickListener(new SelectedRecycleAdapter.OnDeleteIconClickListener() {
86 | @Override
87 | public void onDeleteIconClick(int pos) {
88 | mUnSelectedAdatper.addData(mSelectedDatas.get(pos), mUnselectedDatas.size());
89 | mSelectedAdatper.removeData(pos);
90 | }
91 | });
92 |
93 |
94 | mFinishedText.setOnClickListener(new View.OnClickListener() {
95 | @Override
96 | public void onClick(View v) {
97 | hideAllDeleteIcons();
98 |
99 | mFinishedText.setVisibility(View.INVISIBLE);
100 | }
101 | });
102 |
103 |
104 | mUnSelectedAdatper.setOnItemClickListener(new UnSelectedRecycleAdapter.OnItemClickListener() {
105 | @Override
106 | public void onItemClick(UnSelectedRecycleAdapter.MyViewHolder holder, int pos) {
107 |
108 | mSelectedAdatper.addData(mUnselectedDatas.get(pos), mSelectedDatas.size());
109 |
110 | mUnSelectedAdatper.removeData(pos);
111 |
112 | }
113 |
114 | @Override
115 | public void onItemLongClickListener(UnSelectedRecycleAdapter.MyViewHolder viewHolder, int pos) {
116 | if (!isDeleteIconsShow) {
117 | showAllAddIcons();
118 |
119 | mFinishedText.setVisibility(View.VISIBLE);
120 | }
121 | }
122 | });
123 |
124 | }
125 |
126 | private void initData() {
127 | mSelectedDatas = new ArrayList();
128 | mSelectedDatas.add("头条");
129 | mSelectedDatas.add("娱乐");
130 | mSelectedDatas.add("精选");
131 | mSelectedDatas.add("热点");
132 | mSelectedDatas.add("体育");
133 | mSelectedDatas.add("网易号");
134 | mSelectedDatas.add("直播");
135 | mSelectedDatas.add("财经");
136 | mSelectedDatas.add("科技");
137 | mSelectedDatas.add("房产");
138 | mSelectedDatas.add("汽车");
139 | mSelectedDatas.add("轻松一刻");
140 | mSelectedDatas.add("跟帖");
141 | mSelectedDatas.add("图片");
142 | mSelectedDatas.add("段子");
143 | mSelectedDatas.add("家具");
144 | mSelectedDatas.add("游戏");
145 | mSelectedDatas.add("健康");
146 | mSelectedDatas.add("政务");
147 | mSelectedDatas.add("漫画");
148 | mSelectedDatas.add("中国足球");
149 | mSelectedDatas.add("数码");
150 | mSelectedDatas.add("趣闻");
151 |
152 | mUnselectedDatas = new ArrayList();
153 | mUnselectedDatas.add("NBA");
154 | mUnselectedDatas.add("社会");
155 | mUnselectedDatas.add("军事");
156 | mUnselectedDatas.add("欧洲杯");
157 | mUnselectedDatas.add("CBA");
158 | mUnselectedDatas.add("跑步");
159 | mUnselectedDatas.add("移动互联");
160 | mUnselectedDatas.add("云课堂");
161 | mUnselectedDatas.add("房产");
162 | mUnselectedDatas.add("旅游");
163 | mUnselectedDatas.add("读书");
164 | mUnselectedDatas.add("酒香");
165 | mUnselectedDatas.add("教育");
166 | mUnselectedDatas.add("亲子");
167 | mUnselectedDatas.add("暴雪游戏");
168 | mUnselectedDatas.add("态度营销");
169 | mUnselectedDatas.add("时尚");
170 | mUnselectedDatas.add("情感");
171 | mUnselectedDatas.add("艺术");
172 | mUnselectedDatas.add("海外");
173 | mUnselectedDatas.add("博客");
174 | mUnselectedDatas.add("论坛");
175 | mUnselectedDatas.add("型男");
176 | mUnselectedDatas.add("萌宠");
177 | }
178 |
179 | /**
180 | * 显示出所有的删除图标
181 | */
182 | private void showAllDeleteIcons() {
183 | int count = mRecycleSelected.getChildCount();
184 | for (int i = 0; i < count; i++) {
185 | View child = mRecycleSelected.getChildAt(i);
186 | ImageView delete = (ImageView) child.findViewById(R.id.delelte);
187 | delete.setVisibility(View.VISIBLE);
188 | }
189 |
190 | isDeleteIconsShow = true;
191 | }
192 |
193 | /**
194 | * 隐藏所有的删除图标
195 | */
196 | private void hideAllDeleteIcons() {
197 | int count = mRecycleSelected.getChildCount();
198 | for (int i = 0; i < count; i++) {
199 | View child = mRecycleSelected.getChildAt(i);
200 | ImageView delete = (ImageView) child.findViewById(R.id.delelte);
201 | delete.setVisibility(View.INVISIBLE);
202 | }
203 |
204 | isDeleteIconsShow = false;
205 | }
206 |
207 |
208 | /**
209 | * 显示出所有的删除图标
210 | */
211 | private void showAllAddIcons() {
212 | int count = mRecycleUnSelected.getChildCount();
213 | for (int i = 0; i < count; i++) {
214 | View child = mRecycleUnSelected.getChildAt(i);
215 | ImageView delete = (ImageView) child.findViewById(R.id.delelte);
216 | delete.setVisibility(View.VISIBLE);
217 | }
218 |
219 | }
220 |
221 | }
222 |
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/app/src/main/java/com/lcf/dragrecycle/SelectedRecycleAdapter.java:
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1 | package com.lcf.dragrecycle;
2 |
3 | import android.content.Context;
4 | import android.support.v7.widget.RecyclerView;
5 | import android.view.LayoutInflater;
6 | import android.view.View;
7 | import android.view.ViewGroup;
8 | import android.widget.ImageView;
9 | import android.widget.TextView;
10 |
11 | import java.util.Collections;
12 | import java.util.List;
13 |
14 | /**
15 | * Created by lichunfu on 2018/2/7.
16 | */
17 |
18 | public class SelectedRecycleAdapter extends RecyclerView.Adapter
19 | implements ItemTouchHelperCallback.OnItemPositionChangeListener {
20 |
21 | private List mDatas;
22 | private MainActivity mContext;
23 |
24 | public interface OnItemClickListener {
25 | void onItemClickListener(MyViewHolder viewHolder, int pos);
26 |
27 | void onItemLongClickListener(MyViewHolder viewHolder, int pos);
28 | }
29 |
30 | public interface OnDeleteIconClickListener {
31 | void onDeleteIconClick(int pos);
32 | }
33 |
34 | private OnItemClickListener mListener;
35 | private OnDeleteIconClickListener mDeleteListener;
36 |
37 | public void setOnItemClickListener(OnItemClickListener listener) {
38 | this.mListener = listener;
39 | }
40 |
41 | public void setOnDeleteIconClickListener(OnDeleteIconClickListener listener) {
42 | mDeleteListener = listener;
43 | }
44 |
45 | public SelectedRecycleAdapter(Context context, List datas) {
46 | mDatas = datas;
47 | mContext = (MainActivity) context;
48 | }
49 |
50 | @Override
51 | public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
52 | View itemView = LayoutInflater.from(mContext).inflate(R.layout.item, parent, false);
53 | MyViewHolder viewHolder = new MyViewHolder(itemView);
54 |
55 | return viewHolder;
56 | }
57 |
58 | @Override
59 | public void onBindViewHolder(final MyViewHolder holder, final int position) {
60 | holder.tv.setText(mDatas.get(position));
61 |
62 | if (mContext.isDeleteIconsShow()) {
63 | holder.ivDelete.setVisibility(View.VISIBLE);
64 | } else {
65 | holder.ivDelete.setVisibility(View.INVISIBLE);
66 | }
67 |
68 | holder.ivDelete.setOnClickListener(new View.OnClickListener() {
69 | @Override
70 | public void onClick(View v) {
71 | if (mDeleteListener != null) {
72 | mDeleteListener.onDeleteIconClick(holder.getLayoutPosition());
73 | }
74 | }
75 | });
76 |
77 | if (mListener != null) {
78 | holder.itemView.setOnClickListener(new View.OnClickListener() {
79 | @Override
80 | public void onClick(View v) {
81 | mListener.onItemClickListener(holder, position);
82 | }
83 | });
84 |
85 | holder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
86 | @Override
87 | public boolean onLongClick(View v) {
88 | mListener.onItemLongClickListener(holder, position);
89 | return false;
90 | }
91 | });
92 | }
93 |
94 | }
95 |
96 | @Override
97 | public int getItemCount() {
98 | return mDatas.size();
99 | }
100 |
101 | //根据用户的手势，交换Adapter数据集中item的位置
102 | @Override
103 | public boolean onItemMove(int fromPos, int toPos) {
104 | Collections.swap(mDatas, fromPos, toPos);
105 | notifyItemMoved(fromPos, toPos);
106 | return true;
107 | }
108 |
109 | public void addData(String data, int pos) {
110 | mDatas.add(pos, data);
111 | notifyItemInserted(pos);
112 | }
113 |
114 | public void removeData(int pos) {
115 | mDatas.remove(pos);
116 |
117 | notifyDataSetChanged();
118 | notifyItemRemoved(pos);
119 | }
120 |
121 | class MyViewHolder extends RecyclerView.ViewHolder {
122 | TextView tv;
123 | ImageView ivDelete;
124 |
125 | public MyViewHolder(View itemView) {
126 | super(itemView);
127 |
128 | tv = (TextView) itemView.findViewById(R.id.tv);
129 | ivDelete = (ImageView) itemView.findViewById(R.id.delelte);
130 | }
131 | }
132 | }
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/app/src/main/java/com/lcf/dragrecycle/SpaceItemDecoration.java:
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1 | package com.lcf.dragrecycle;
2 |
3 | import android.graphics.Canvas;
4 | import android.graphics.Rect;
5 | import android.support.v7.widget.RecyclerView;
6 | import android.view.View;
7 |
8 | /**
9 | * Created by lichunfu on 2018/2/7.
10 | */
11 |
12 | public class SpaceItemDecoration extends RecyclerView.ItemDecoration {
13 | private int mSpace;
14 |
15 | public SpaceItemDecoration(int space) {
16 | mSpace = space;
17 | }
18 |
19 | @Override
20 | public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
21 | super.getItemOffsets(outRect, view, parent, state);
22 | outRect.left = mSpace;
23 | outRect.top = 0;
24 | outRect.right = mSpace;
25 | outRect.bottom = mSpace;
26 | }
27 |
28 | @Override
29 | public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
30 | super.onDraw(c, parent, state);
31 | }
32 | }
33 |
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/app/src/main/java/com/lcf/dragrecycle/UnSelectedRecycleAdapter.java:
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1 | package com.lcf.dragrecycle;
2 |
3 | import android.content.Context;
4 | import android.os.Build;
5 | import android.support.annotation.RequiresApi;
6 | import android.support.v7.widget.RecyclerView;
7 | import android.view.LayoutInflater;
8 | import android.view.View;
9 | import android.view.ViewGroup;
10 | import android.widget.ImageView;
11 | import android.widget.TextView;
12 |
13 | import java.util.List;
14 |
15 | /**
16 | * Created by lichunfu on 2018/2/7.
17 | */
18 |
19 | public class UnSelectedRecycleAdapter extends RecyclerView.Adapter {
20 |
21 | private Context mContext;
22 | private List mDatas;
23 |
24 | public interface OnItemClickListener {
25 | public void onItemClick(MyViewHolder holder, int pos);
26 |
27 | public void onItemLongClickListener(MyViewHolder viewHolder, int pos);
28 | }
29 |
30 | private OnItemClickListener mListener;
31 |
32 | public void setOnItemClickListener(OnItemClickListener listener) {
33 | this.mListener = listener;
34 | }
35 |
36 | public UnSelectedRecycleAdapter(Context mContext, List datas) {
37 | this.mContext = mContext;
38 | this.mDatas = datas;
39 | }
40 |
41 | @Override
42 | public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
43 | MyViewHolder holder = new MyViewHolder(LayoutInflater.from(mContext).inflate(R.layout.item, parent, false));
44 | return holder;
45 | }
46 |
47 | @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
48 | @Override
49 | public void onBindViewHolder(final MyViewHolder holder, final int position) {
50 | holder.tv.setText(mDatas.get(position));
51 | holder.ivDelete.setImageDrawable(mContext.getDrawable(R.drawable.add));
52 | if (mListener != null) {
53 | holder.itemView.setOnClickListener(new View.OnClickListener() {
54 | @Override
55 | public void onClick(View v) {
56 | if (mListener != null) {
57 | mListener.onItemClick(holder, holder.getLayoutPosition());
58 | }
59 | }
60 | });
61 | holder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
62 | @Override
63 | public boolean onLongClick(View v) {
64 | mListener.onItemLongClickListener(holder, position);
65 | return false;
66 | }
67 | });
68 | }
69 |
70 |
71 | }
72 |
73 | @Override
74 | public int getItemCount() {
75 | return mDatas.size();
76 | }
77 |
78 | public void addData(String data, int pos) {
79 | mDatas.add(pos, data);
80 | notifyItemInserted(pos);
81 | }
82 |
83 | public void removeData(int pos) {
84 | mDatas.remove(pos);
85 |
86 | notifyDataSetChanged();
87 | notifyItemRemoved(pos);
88 | }
89 |
90 | class MyViewHolder extends RecyclerView.ViewHolder {
91 | TextView tv;
92 | ImageView ivDelete;
93 |
94 | public MyViewHolder(View itemView) {
95 | super(itemView);
96 |
97 | tv = (TextView) itemView.findViewById(R.id.tv);
98 | ivDelete = (ImageView) itemView.findViewById(R.id.delelte);
99 | }
100 | }
101 | }
102 |
103 |
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/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
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1 |
7 |
12 |
13 |
19 |