RecycleView的二級列表
阿新 • • 發佈：2018-12-17
allprojects {
repositories {
google()
jcenter()
maven { url "https://jitpack.io" }
maven { url "http://lib.gcssloop.com/repository/gcssloop-central/" }
}
}
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dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:26.1.0'
compile 'com.android.support:recyclerview-v7:26.1.0'
compile 'com.github.CymChad:BaseRecyclerViewAdapterHelper:2.9.30'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.1'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
compile 'com.gcssloop.widget:rclayout:
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public class MainActivity extends AppCompatActivity {
ArrayList<MultiItemEntity> res;
List<Levelzero> lv0 = new ArrayList<>();
RecyclerView mrecycleView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mrecycleView = findViewById(R.id.rv);
addData();
RecyclerView.LayoutManager manager = new LinearLayoutManager(this);
mrecycleView.setAdapter(new Adapter(res));
mrecycleView.setLayoutManager(manager);
}
private void addData() {
res = new ArrayList<>();
lv0.clear();
lv0.add(new Levelzero("我的好友"));
lv0.add(new Levelzero("家人"));
for(int i = 0;i<5;i++){
Levelone lv1 = new Levelone("好友名稱",R.drawable.doghead);
lv0.get(0).addSubItem(lv1);
}
for(int i = 0;i<5;i++){
Levelone lv1 = new Levelone("家人名稱",R.drawable.doghead);
lv0.get(1).addSubItem(lv1);
}
for (int j = 0; j < lv0.size(); j++) {
res.add(lv0.get(j));
}
return ;
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.mycompany.recyeleviewdemo1.MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="35dp"
android:background="#F6F7F9"
android:orientation="horizontal">
<TextView
android:layout_width="0dp"
android:layout_height="30dp"
android:layout_weight="6"
android:gravity="center"
android:text="聯絡人"
android:textSize="25dp" />
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#D4D4D4">
</View>
</LinearLayout>
<android.support.v7.widget.RecyclerView
android:id="@+id/rv"
android:layout_width="match_parent"
android:layout_height="wrap_content"></android.support.v7.widget.RecyclerView>
</LinearLayout>
public class Levelone implements MultiItemEntity {
public String friendName;
public int friendSculpture;
public Levelone(String friendName, int friendSculpture) {
this.friendName = friendName;
this.friendSculpture = friendSculpture;
}
@Override
public int getItemType() {
return Adapter.TYPE_LEVEL_1;
}
}
public class Levelzero extends AbstractExpandableItem<Levelone> implements MultiItemEntity {
public String friendGroup;
public Levelzero(String friendName) {
this.friendGroup = friendName;
}
@Override
public int getLevel() {
return 0;
}
@Override
public int getItemType() {
return Adapter.TYPE_LEVEL_0;
}
}
public class Adapter extends BaseMultiItemQuickAdapter<MultiItemEntity, BaseViewHolder> {
public static final int TYPE_LEVEL_0 = 0;
public static final int TYPE_LEVEL_1 = 1;
public Adapter(List<MultiItemEntity> data) {
super(data);
addItemType(TYPE_LEVEL_0, R.layout.levelzero);
addItemType(TYPE_LEVEL_1, R.layout.levelone);
}
@Override
protected void convert(final BaseViewHolder helper, MultiItemEntity item) {
switch (helper.getItemViewType()) {
case 0:
final Levelzero lv0 = (Levelzero) item;
helper.setText(R.id.Lv0_tv, lv0.friendGroup);
helper.itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int pos = helper.getAdapterPosition();
if (lv0.isExpanded()) {
collapse(pos);
} else {
expand(pos);
}
}
});
break;
case 1:
final Levelone lv1 = (Levelone) item;
helper.setImageResource(R.id.Lv1_iv, lv1.friendSculpture);
helper.setText(R.id.title_one, lv1.friendName);
break;
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="45dp"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="horizontal"
android:background="#ffffff"
android:layout_marginBottom="2dp"
>
<com.gcssloop.widget.RCRelativeLayout
android:layout_width="40dp"
android:layout_height="40dp"
app:round_corner="10dp"
>
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/Lv1_iv"
android:scaleType="centerCrop"
/>
</com.gcssloop.widget.RCRelativeLayout>
<TextView
android:id="@+id/title_one"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="2"
android:textColor="@android:color/black"
android:textSize="18sp" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_marginBottom="2dp"
android:background="@android:color/white"
android:gravity="center_vertical"
android:orientation="horizontal">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_weight="2"
android:textColor="@android:color/black"
android:textSize="18sp"
android:id="@+id/Lv0_tv"
/>
</LinearLayout>
專案中的build.gradle檔案
效果圖
github程式碼Domel