本文實(shí)例為大家分享了android RecycleView實(shí)現(xiàn)多級(jí)樹(shù)形列表的具體代碼，供大家參考，具體內(nèi)容如下

實(shí)現(xiàn)多級(jí)樹(shù)狀列表：

1. Node.java

public class Node<T, B> implements Serializable { /** * 傳入的實(shí)體對(duì)象 */ public B bean; /** * 設(shè)置開(kāi)啟的圖片 */ public int iconExpand = -1; /** * 設(shè)置關(guān)閉的圖片 */ public int iconNoExpand = -1; private T id; /** * 根節(jié)點(diǎn)pId為0 */ private T pId; private String name; /** * 當(dāng)前的級(jí)別 */ private int level; /** * 是否展開(kāi) */ private boolean isExpand = false; private int icon = -1; /** * 下一級(jí)的子Node */ private List<Node> children = new ArrayList<>(); /** * 父Node */ private Node parent; /** * 是否被checked選中 */ private boolean isChecked; /** * 是否為新添加的 */ public boolean isNewAdd = true; /** * 單選標(biāo)記 */ public boolean isSingle; /** * 支部code */ public String braCode; public Node(T id, T pId, String name) {super();this.id = id;this.pId = pId;this.name = name; } public Node(T id, T pId, String name, B bean) {super();this.id = id;this.pId = pId;this.name = name;this.bean = bean; } public String getBraCode() {return braCode; } public void setBraCode(String braCode) {this.braCode = braCode; } public boolean isSingle() {return isSingle; } public void setSingle(boolean single) {isSingle = single; } public boolean isChecked() {return isChecked; } public void setChecked(boolean isChecked) {this.isChecked = isChecked; } public Node() { } public int getIcon() {return icon; } public void setIcon(int icon) {this.icon = icon; } public T getId() {return id; } public void setId(T id) {this.id = id; } public T getpId() {return pId; } public void setpId(T pId) {this.pId = pId; } public String getName() {return name; } public void setName(String name) {this.name = name; } public void setLevel(int level) {this.level = level; } public boolean isExpand() {return isExpand; } public List<Node> getChildren() {return children; } public void setChildren(List<Node> children) {this.children = children; } public Node getParent() {return parent; } public void setParent(Node parent) {this.parent = parent; } /** * 是否為跟節(jié)點(diǎn) * * @return */ public boolean isRoot() {return parent == null; } /** * 判斷父節(jié)點(diǎn)是否展開(kāi) * * @return */ public boolean isParentExpand() {if (parent == null){ return false;}return parent.isExpand(); } /** * 是否是葉子界點(diǎn) * * @return */ public boolean isLeaf() {return children.size() == 0; } /** * 獲取level */ public int getLevel() {return parent == null ? 0 : parent.getLevel() + 1; } /** * 設(shè)置展開(kāi) * * @param isExpand */ public void setExpand(boolean isExpand) {this.isExpand = isExpand;if (!isExpand) { for (Node node : children) {node.setExpand(false); }} }}

2. OnTreeNodeClickListener.java

public interface OnTreeNodeClickListener { /** * 點(diǎn)擊事件方法 * @param node 節(jié)點(diǎn) * @param position 條目位置 */ void onClick(Node node, int position);}

3. TreeHelper.java

public class TreeHelper { /** * 傳入node 返回排序后的Node * * @param datas 傳入數(shù)據(jù) * @param defaultExpandLevel 默認(rèn)展開(kāi)等級(jí) * @return * @throws IllegalArgumentException * @throws IllegalAccessException */ public static List<Node> getSortedNodes(List<Node> datas, int defaultExpandLevel) {List<Node> result = new ArrayList<Node>();// 設(shè)置Node間父子關(guān)系List<Node> nodes = convetData2Node(datas);// 拿到根節(jié)點(diǎn)List<Node> rootNodes = getRootNodes(nodes);// 排序以及設(shè)置Node間關(guān)系for (Node node : rootNodes) { addNode(result, node, defaultExpandLevel, 1);}return result; } /** * 過(guò)濾出所有可見(jiàn)的Node * * @param nodes * @return */ public static List<Node> filterVisibleNode(List<Node> nodes) {List<Node> result = new ArrayList<Node>(); for (Node node : nodes) { // 如果為跟節(jié)點(diǎn)，或者上層目錄為展開(kāi)狀態(tài) if (node.isRoot() || node.isParentExpand()) {setNodeIcon(node);result.add(node); }}return result; } /** * 設(shè)置Node間，父子關(guān)系;讓每?jī)蓚€(gè)節(jié)點(diǎn)都比較一次，即可設(shè)置其中的關(guān)系 */ private static List<Node> convetData2Node(List<Node> nodes) {for (int i = 0; i < nodes.size(); i++) { Node n = nodes.get(i); for (int j = i + 1; j < nodes.size(); j++) {Node m = nodes.get(j);//判斷id是String，Integerif (m.getpId() instanceof String) { if (m.getpId().equals(n.getId())) {n.getChildren().add(m);m.setParent(n); } else if (m.getId().equals(n.getpId())) {m.getChildren().add(n);n.setParent(m); }} else if(m.getpId() instanceof Integer) { //這里就是修改的地方，因?yàn)檫@是Integer類(lèi)，節(jié)點(diǎn)的地址是不一樣的，所以不能直接使用==比較，要用equals()進(jìn)行值的比較 if (m.getpId().equals(n.getId())) {n.getChildren().add(m);m.setParent(n); } else if (m.getId().equals(n.getpId())) {m.getChildren().add(n);n.setParent(m); }} }}return nodes; } /** * 獲取所有根節(jié)點(diǎn) * * @param nodes * @return */ private static List<Node> getRootNodes(List<Node> nodes) {List<Node> root = new ArrayList<Node>();for (Node node : nodes) { if (node.isRoot()) {root.add(node); }}return root; } /** * 把一個(gè)節(jié)點(diǎn)上的所有的內(nèi)容都掛上去 */ private static <T, B> void addNode(List<Node> nodes, Node<T, B> node, int defaultExpandLeval, int currentLevel) {nodes.add(node);//判斷添加新節(jié)點(diǎn)的時(shí)候，保持以前的狀態(tài)不變if (node.isNewAdd && defaultExpandLeval >= currentLevel) { node.setExpand(true);} if (node.isLeaf()) { //判斷是子節(jié)點(diǎn) return;}for (int i = 0; i < node.getChildren().size(); i++) { addNode(nodes, node.getChildren().get(i), defaultExpandLeval, currentLevel + 1);} } /** * 設(shè)置節(jié)點(diǎn)的圖標(biāo) * * @param node */ private static void setNodeIcon(Node node) {if (node.getChildren().size() > 0 && node.isExpand()) { node.setIcon(node.iconExpand);} else if (node.getChildren().size() > 0 && !node.isExpand()) { node.setIcon(node.iconNoExpand);} else { node.setIcon(-1);} }}

4. TreeRecyclerAdapter.java -----RecycleView形式的樹(shù)形列表適配器

public abstract class TreeRecyclerAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { protected Context mContext; /** * 存儲(chǔ)所有可見(jiàn)的Node */ protected List<Node> mNodes = new ArrayList<>(); protected LayoutInflater mInflater; /** * 存儲(chǔ)所有的Node */ protected List<Node> mAllNodes = new ArrayList<>(); /** * 點(diǎn)擊的回調(diào)接口 */ private OnTreeNodeClickListener onTreeNodeClickListener; /** * 默認(rèn)不展開(kāi) */ private int defaultExpandLevel = 0; /** * 展開(kāi)與關(guān)閉的圖片 */ private int iconExpand = -1, iconNoExpand = -1; /** * 當(dāng)前被點(diǎn)擊的位置 */ private int layoutPosition = -1; public void setOnTreeNodeClickListener(OnTreeNodeClickListener onTreeNodeClickListener) {this.onTreeNodeClickListener = onTreeNodeClickListener; } public TreeRecyclerAdapter(RecyclerView mTree, Context context, List<Node> datas, int defaultExpandLevel, int iconExpand, int iconNoExpand) { this.iconExpand = iconExpand;this.iconNoExpand = iconNoExpand; for (Node node : datas) { node.getChildren().clear(); node.iconExpand = iconExpand; node.iconNoExpand = iconNoExpand;} this.defaultExpandLevel = defaultExpandLevel;mContext = context;/** * 對(duì)所有的Node進(jìn)行排序 */mAllNodes = TreeHelper.getSortedNodes(datas, defaultExpandLevel);/** * 過(guò)濾出可見(jiàn)的Node */mNodes = TreeHelper.filterVisibleNode(mAllNodes);mInflater = LayoutInflater.from(context); } /** * @param mTree * @param context * @param datas * @param defaultExpandLevel 默認(rèn)展開(kāi)幾級(jí)樹(shù) */ public TreeRecyclerAdapter(RecyclerView mTree, Context context, List<Node> datas, int defaultExpandLevel) {this(mTree, context, datas, defaultExpandLevel, -1, -1); } @Override public void onBindViewHolder(final RecyclerView.ViewHolder holder, final int position) {Node node = mNodes.get(position);//convertView = getConvertView(node, position, convertView, parent);// 設(shè)置內(nèi)邊距int padding = DisplayUtil.dp2px(mContext,5);holder.itemView.setPadding(DisplayUtil.dp2px(mContext,(node.getLevel()+1) * 15),padding,padding,padding); //然后設(shè)置單選，修改如下/** * 設(shè)置節(jié)點(diǎn)點(diǎn)擊時(shí)，可以展開(kāi)以及關(guān)閉,將事件繼續(xù)往外公布 */holder.itemView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) {//獲取當(dāng)前點(diǎn)擊的位置layoutPosition = holder.getLayoutPosition();expandOrCollapse(position); if (onTreeNodeClickListener != null) { onTreeNodeClickListener.onClick(mNodes.get(position), position);} }}); if(position == layoutPosition){ node.setSingle(true);}else { node.setSingle(false);} onBindViewHolder(node, holder, position); } @Override public int getItemCount() {return mNodes.size(); } /** * 清除掉之前數(shù)據(jù)并刷新 重新添加 * * @param mlists * @param defaultExpandLevel 默認(rèn)展開(kāi)幾級(jí)列表 */ public void addDataAll(List<Node> mlists, int defaultExpandLevel) {mAllNodes.clear();addData(-1, mlists, defaultExpandLevel); } /** * 在指定位置添加數(shù)據(jù)并刷新 可指定刷新后顯示層級(jí) * * @param index * @param mlists * @param defaultExpandLevel 默認(rèn)展開(kāi)幾級(jí)列表 */ public void addData(int index, List<Node> mlists, int defaultExpandLevel) {this.defaultExpandLevel = defaultExpandLevel;notifyData(index, mlists); } /** * 在指定位置添加數(shù)據(jù)并刷新 * * @param index * @param mlists */ public void addData(int index, List<Node> mlists) {notifyData(index, mlists); } /** * 添加數(shù)據(jù)并刷新 * * @param mlists */ public void addData(List<Node> mlists) {addData(mlists, defaultExpandLevel); } /** * 添加數(shù)據(jù)并刷新 可指定刷新后顯示層級(jí) * * @param mlists * @param defaultExpandLevel */ public void addData(List<Node> mlists, int defaultExpandLevel) {this.defaultExpandLevel = defaultExpandLevel;notifyData(-1, mlists); } /** * 添加數(shù)據(jù)并刷新 * * @param node */ public void addData(Node node) {addData(node, defaultExpandLevel); } /** * 添加數(shù)據(jù)并刷新 可指定刷新后顯示層級(jí) * * @param node * @param defaultExpandLevel */ public void addData(Node node, int defaultExpandLevel) {List<Node> nodes = new ArrayList<>();nodes.add(node);this.defaultExpandLevel = defaultExpandLevel;notifyData(-1, nodes); } /** * 刷新數(shù)據(jù) * * @param index * @param mListNodes */ private void notifyData(int index, List<Node> mListNodes) {for (int i = 0; i < mListNodes.size(); i++) { Node node = mListNodes.get(i); node.getChildren().clear(); node.iconExpand = iconExpand; node.iconNoExpand = iconNoExpand;}for (int i = 0; i < mAllNodes.size(); i++) { Node node = mAllNodes.get(i); node.getChildren().clear(); node.isNewAdd = false;}if (index != -1) { mAllNodes.addAll(index, mListNodes);} else { mAllNodes.addAll(mListNodes);}/** * 對(duì)所有的Node進(jìn)行排序 */mAllNodes = TreeHelper.getSortedNodes(mAllNodes, defaultExpandLevel);/** * 過(guò)濾出可見(jiàn)的Node */mNodes = TreeHelper.filterVisibleNode(mAllNodes);//刷新數(shù)據(jù)notifyDataSetChanged(); } /** * 獲取排序后所有節(jié)點(diǎn) * * @return */ public List<Node> getAllNodes() {if (mAllNodes == null){ mAllNodes = new ArrayList<Node>();}return mAllNodes; } /** * 相應(yīng)ListView的點(diǎn)擊事件 展開(kāi)或關(guān)閉某節(jié)點(diǎn) * * @param position */ public void expandOrCollapse(int position) {Node n = mNodes.get(position); if (n != null) { // 排除傳入?yún)?shù)錯(cuò)誤異常 if (!n.isLeaf()) {n.setExpand(!n.isExpand());mNodes = TreeHelper.filterVisibleNode(mAllNodes);notifyDataSetChanged();// 刷新視圖 }} } /** * 設(shè)置多選 * * @param node * @param checked */ protected void setChecked(final Node node, boolean checked) {node.setChecked(checked);setChildChecked(node, checked);if (node.getParent() != null){ setNodeParentChecked(node.getParent(), checked);}notifyDataSetChanged(); } /** * 設(shè)置是否選中 * * @param node * @param checked */ public <T, B> void setChildChecked(Node<T, B> node, boolean checked) {if (!node.isLeaf()) { node.setChecked(checked); for (Node childrenNode : node.getChildren()) {setChildChecked(childrenNode, checked); }} else { node.setChecked(checked);} } private void setNodeParentChecked(Node node, boolean checked) {if (checked) { node.setChecked(checked); if (node.getParent() != null){setNodeParentChecked(node.getParent(), checked); }} else { List<Node> childrens = node.getChildren(); boolean isChecked = false; for (Node children : childrens) {if (children.isChecked()) { isChecked = true;} } //如果所有自節(jié)點(diǎn)都沒(méi)有被選中 父節(jié)點(diǎn)也不選中 if (!isChecked) {node.setChecked(checked); } if (node.getParent() != null){setNodeParentChecked(node.getParent(), checked); }} } public abstract void onBindViewHolder(Node node, RecyclerView.ViewHolder holder, final int position); //===================在這里添加修改選中位置的方法===================== /** * 設(shè)置選中位置 * @param selectedPosition */ public void setSelectedPosition(int selectedPosition) {this.layoutPosition = selectedPosition; }}

5. 自定義樣式：

TypeTreeRecyclerAdapter.java

public class TypeTreeRecyclerAdapter extends TreeRecyclerAdapter { private static final String TAG = 'TypeTreeRecyclerAdapter'; private boolean isSingle; public TypeTreeRecyclerAdapter(RecyclerView mTree, Context context, List<Node> datas, int defaultExpandLevel, int iconExpand, int iconNoExpand,boolean isSingle) {super(mTree, context, datas, defaultExpandLevel, iconExpand, iconNoExpand);this.isSingle = isSingle; } public TypeTreeRecyclerAdapter(RecyclerView mTree, Context context, List<Node> datas, int defaultExpandLevel) {super(mTree, context, datas, defaultExpandLevel); } @Override public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {return new MyHoder(View.inflate(mContext, R.layout.tree_list_item,null)); } @Override public void onBindViewHolder(final Node node, RecyclerView.ViewHolder holder, int position) {final MyHoder viewHolder = (MyHoder) holder;//todo do somethingviewHolder.cb.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) {//setChecked(node,viewHolder.cb.isChecked());setChildChecked(node,viewHolder.cb.isChecked());listener.onItemClick(position); }});viewHolder.cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) {if (isSingle) { if (b) { //如果checkbox的狀態(tài)是選中的，那么除了被選中的那條數(shù)據(jù)，其他Node節(jié)點(diǎn)的checkbox狀態(tài)都為falsefor (int i = 0; i < mAllNodes.size(); i++) { if (((Node) mAllNodes.get(i)).getId().equals(node.getId())) { Log.e(TAG,'note='+mAllNodes.get(i).getName());((Node) mAllNodes.get(i)).setChecked(b); } else {//Log.e(TAG,'1111 note='+mAllNodes.get(i).getName());((Node) mAllNodes.get(i)).setChecked(false); }} } else {//如果checkbox的狀態(tài)是選中的，所有Node節(jié)點(diǎn)checkbox狀態(tài)都為falsefor (int i = 0; i < mAllNodes.size(); i++) { if (((Node) mAllNodes.get(i)).getId().equals(node.getId())) {((Node) mAllNodes.get(i)).setChecked(b); }} }} else { 如果checkbox是多選的，對(duì)應(yīng)node節(jié)點(diǎn)的checkbox狀態(tài)視用戶(hù)的操作而定 for (int i = 0; i < mAllNodes.size(); i++) {if (((Node) mAllNodes.get(i)).getId().equals(node.getId())) ((Node) mAllNodes.get(i)).setChecked(b); }} }}); if (node.isChecked()){ viewHolder.cb.setChecked(true);}else { viewHolder.cb.setChecked(false);} if (node.getIcon() == -1) { viewHolder.icon.setVisibility(View.INVISIBLE);} else { viewHolder.icon.setVisibility(View.VISIBLE); viewHolder.icon.setImageResource(node.getIcon());} viewHolder.label.setText(node.getName()); } public interface onAItemClickListener{void onItemClick(int position); } private onAItemClickListener listener; public void setOnItemClickListener (onAItemClickListener onItemClickListener) {listener = onItemClickListener; } class MyHoder extends RecyclerView.ViewHolder{public CheckBox cb;public TextView label;public ImageView icon;public MyHoder(View itemView) { super(itemView); cb = (CheckBox) itemView.findViewById(R.id.cb_select_tree); label = (TextView) itemView.findViewById(R.id.id_treenode_label); icon = (ImageView) itemView.findViewById(R.id.icon);} }}

6. tree_list_item.xml

<?xml version='1.0' encoding='utf-8'?><LinearLayout xmlns:android='http://schemas.android.com/apk/res/android' android:orientation='horizontal' android:layout_width='match_parent' android:layout_height='match_parent' android:gravity='center_vertical'> <ImageViewandroid: android:layout_width='16dp'android:layout_height='16dp'android:scaleType='centerCrop'/> <CheckBoxandroid: android:layout_width='wrap_content'android:layout_height='wrap_content'android:layout_marginLeft='10dp'android:layout_marginRight='10dp'android:focusable='false'/> <TextViewandroid: android:layout_width='match_parent'android:layout_height='wrap_content'android:singleLine='true'android:ellipsize='marquee'android:textColor='#000'android:textSize='14sp'/> </LinearLayout>

7. 頁(yè)面：

public class OfficeTypeDialog extends Dialog implements View.OnClickListener { private static final String TAG = 'OfficeTypeDialog'; private Context mContext; private RecyclerView rv_typeTree; private TypeTreeRecyclerAdapter typeTreeRecyclerAdapter; private TypeTreeBean selectedBean; private Button btn_confirm,btn_cancel; private String source; private String orgId; public OfficeTypeDialog(@NonNull Context context) {super(context);mContext = context; } public OfficeTypeDialog(@NonNull Context context, int themeResId) {super(context, themeResId);mContext = context; } public OfficeTypeDialog(@NonNull Context context, int themeResId,String source) {super(context, themeResId);mContext = context;this.source = source; } public OfficeTypeDialog(@NonNull Context context, int themeResId,String source,String orgId) {super(context, themeResId);mContext = context;this.source = source;this.orgId = orgId; } protected OfficeTypeDialog(@NonNull Context context, boolean cancelable, @Nullable OnCancelListener cancelListener) {super(context, cancelable, cancelListener);mContext = context; } @Override protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.dialog_office_type); getWindow().setGravity(Gravity.CENTER); //顯示在WindowManager m = getWindow().getWindowManager();Display d = m.getDefaultDisplay();WindowManager.LayoutParams p = getWindow().getAttributes();p.width = d.getWidth()/5*4; //設(shè)置dialog的寬度為當(dāng)前手機(jī)屏幕的寬度 p.height = d.getHeight()/5*4;getWindow().setAttributes(p); rv_typeTree = findViewById(R.id.rv_typeTree);btn_confirm = findViewById(R.id.btn_confirm);btn_cancel = findViewById(R.id.btn_cancel);btn_confirm.setOnClickListener(this);btn_cancel.setOnClickListener(this); getOfficeType(); } List<Node> mDatas = new ArrayList<>(); private List<TypeTreeBean> typeTreeBeans = new ArrayList<>(); private void getOfficeType() {String url = '';if (source.equals('officeType')) { url = WebApi.OFFICE_TYPE;} else if(source.equals('area')) { url = WebApi.OFFICE_AREA;} else if(source.equals('nmpa')) { url = WebApi.OFFICE_NMPA;} else if(source.equals('nmpaUser')) { if (orgId != null) {url = WebApi.OFFICE_NMPA_USER+'?orgId='+orgId; }}OkHttpUtil.get(TAG, url, new StringCallback() { @Override public void onError(Call call, Exception e, int id) {Log.e(TAG,'getOfficeType e='+e); } @Override public void onResponse(String response, int id) {Log.e(TAG,'getOfficeType response='+response);try { JSONObject object = new JSONObject(response); if (object.getInt('code') == 200) {JSONArray array = object.getJSONArray('data');Gson gson = new Gson();for (int i = 0;i<array.length();i++) { TypeTreeBean typeTreeBean = gson.fromJson(array.get(i).toString(), TypeTreeBean.class); typeTreeBeans.add(typeTreeBean);} for (int j=0;j<typeTreeBeans.size();j++) { TypeTreeBean typeTreeBean = typeTreeBeans.get(j); mDatas.add(new Node(typeTreeBean.getId(),0,typeTreeBean.getName(),typeTreeBean)); if (typeTreeBean.getChildren() != null && typeTreeBean.getChildren().size() != 0) {List<TypeTreeBean> typeTreeBeans1 = typeTreeBean.getChildren();for (int j1 = 0;j1<typeTreeBeans1.size();j1++) { TypeTreeBean typeTreeBean1 = typeTreeBeans1.get(j1); mDatas.add(new Node(typeTreeBean1.getId(),typeTreeBean.getId(),typeTreeBean1.getName(),typeTreeBean1)); if (typeTreeBean1.getChildren() != null && typeTreeBean1.getChildren().size() != 0) {List<TypeTreeBean> typeTreeBeans2 = typeTreeBean1.getChildren();for (int j2 = 0;j2<typeTreeBeans2.size();j2++) { TypeTreeBean typeTreeBean2 = typeTreeBeans2.get(j2); mDatas.add(new Node(typeTreeBean2.getId(),typeTreeBean1.getId(),typeTreeBean2.getName(),typeTreeBean2)); if (typeTreeBean2.getChildren() != null && typeTreeBean2.getChildren().size() != 0) {List<TypeTreeBean> typeTreeBeans3 = typeTreeBean2.getChildren();for (int j3 = 0;j3<typeTreeBeans3.size();j3++) {TypeTreeBean typeTreeBean3 = typeTreeBeans3.get(j3);mDatas.add(new Node(typeTreeBean3.getId(),typeTreeBean2.getId(),typeTreeBean3.getName(),typeTreeBean3));if (typeTreeBean3.getChildren() != null && typeTreeBean3.getChildren().size() != 0) { List<TypeTreeBean> typeTreeBeans4 = typeTreeBean3.getChildren(); for (int j4 = 0;j4<typeTreeBeans4.size();j4++) {TypeTreeBean typeTreeBean4 = typeTreeBeans4.get(j4);mDatas.add(new Node(typeTreeBean4.getId(),typeTreeBean3.getId(),typeTreeBean4.getName(),typeTreeBean4)); }}} }} }} }} initTypeList(); }} catch (JSONException e) { e.printStackTrace();} }}); } private void initTypeList() {rv_typeTree.setLayoutManager(new LinearLayoutManager(mContext));typeTreeRecyclerAdapter = new TypeTreeRecyclerAdapter(rv_typeTree, mContext,mDatas, 1,R.drawable.tree_expand,R.drawable.tree_econpand, true);rv_typeTree.setAdapter(typeTreeRecyclerAdapter);typeTreeRecyclerAdapter.setOnItemClickListener(new TypeTreeRecyclerAdapter.onAItemClickListener() { @Override public void onItemClick(int position) {Log.e(TAG,'position='+position);updatePosition(position);clickShow(); }}); } /** * 更新選擇窗 * * @param selectedPosition 選中位置 */ public void updatePosition(int selectedPosition) {if (typeTreeRecyclerAdapter != null) { typeTreeRecyclerAdapter.setSelectedPosition(selectedPosition); typeTreeRecyclerAdapter.notifyDataSetChanged();} } /** * 顯示選中數(shù)據(jù) */ public void clickShow(){//StringBuilder sb = new StringBuilder();List<TypeTreeBean> typeTreeBeanList = new ArrayList<>();final List<Node> allNodes = typeTreeRecyclerAdapter.getAllNodes();for (int i = 0; i < allNodes.size(); i++) { if (allNodes.get(i).isChecked()){//sb.append(allNodes.get(i).getName()+',');typeTreeBeanList.add((TypeTreeBean) allNodes.get(i).bean); }}//String strNodesName = sb.toString();if (typeTreeBeanList != null && typeTreeBeanList.size() != 0) { Log.e(TAG,'bean='+typeTreeBeanList.get(0).getName()); selectedBean = typeTreeBeanList.get(0);} } /** * 設(shè)置確定取消按鈕的回調(diào) */ public OnClickBottomListener onClickBottomListener; public void setOnClickBottomListener(OnClickBottomListener onClickBottomListener) {this.onClickBottomListener = onClickBottomListener; } public interface OnClickBottomListener{/** * 點(diǎn)擊確定按鈕事件 */ public void onPositiveClick(TypeTreeBean typeBean);/** * 點(diǎn)擊取消按鈕事件 */public void onNegtiveClick(); } @Override public void onClick(View view) {switch (view.getId()) { case R.id.btn_confirm:if ( onClickBottomListener!= null) { onClickBottomListener.onPositiveClick(selectedBean);}break; case R.id.btn_cancel:if ( onClickBottomListener!= null) { onClickBottomListener.onNegtiveClick();}break;} }}

8. 調(diào)用dialog

OfficeTypeDialog typeDialog = new OfficeTypeDialog(mContext,R.style.Dialog,'officeType'); typeDialog.setOnClickBottomListener(new OfficeTypeDialog.OnClickBottomListener() { @Override public void onPositiveClick(TypeTreeBean typeBean) {tv_officeType.setText(typeBean.getName());officeType = typeBean;typeDialog.dismiss(); } @Override public void onNegtiveClick() {typeDialog.dismiss(); }});typeDialog.show();

9. 效果圖

以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持好吧啦網(wǎng)。