{"id":13642824,"url":"https://github.com/TellH/RecyclerTreeView","last_synced_at":"2025-04-20T21:31:38.205Z","repository":{"id":44457113,"uuid":"69739490","full_name":"TellH/RecyclerTreeView","owner":"TellH","description":"TreeView implement in Android with RecyclerView.","archived":false,"fork":false,"pushed_at":"2021-11-20T06:35:08.000Z","size":796,"stargazers_count":653,"open_issues_count":40,"forks_count":117,"subscribers_count":17,"default_branch":"master","last_synced_at":"2024-10-12T20:08:56.864Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"Java","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/TellH.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE.txt","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2016-10-01T13:10:48.000Z","updated_at":"2024-09-26T17:19:46.000Z","dependencies_parsed_at":"2022-09-21T22:04:45.756Z","dependency_job_id":null,"html_url":"https://github.com/TellH/RecyclerTreeView","commit_stats":null,"previous_names":[],"tags_count":10,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/TellH%2FRecyclerTreeView","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/TellH%2FRecyclerTreeView/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/TellH%2FRecyclerTreeView/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/TellH%2FRecyclerTreeView/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/TellH","download_url":"https://codeload.github.com/TellH/RecyclerTreeView/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":249965515,"owners_count":21352920,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-08-02T01:01:36.735Z","updated_at":"2025-04-20T21:31:37.893Z","avatar_url":"https://github.com/TellH.png","language":"Java","readme":"# RecyclerTreeView\n[![](https://jitpack.io/v/TellH/RecyclerTreeView.svg)](https://jitpack.io/#TellH/RecyclerTreeView)\u003c/br\u003e\nTreeView implement in Android with RecyclerView..\n\n## Effect\n![](https://raw.githubusercontent.com/TellH/RecyclerTreeView/master/raw/effect.gif)\n\n## Usage\n### Setup\nroot build.gradle\n```groovy\nallprojects {\n    repositories {\n        jcenter()\n        maven { url \"https://jitpack.io\" }\n    }\n}\n```\napp build.gradle\n```groovy\ndependencies {\n    compile 'com.github.TellH:RecyclerTreeView:1.2.0'\n}\n```\n\n\n\n### Quick Start\n\n- Create a Java bean class and  implement the LayoutItemType, to attach item layout id to it.\n\n```java\npublic class Dir implements LayoutItemType {\n    public String dirName;\n\n    public Dir(String dirName) {\n        this.dirName = dirName;\n    }\n\n    @Override\n    public int getLayoutId() {\n        return R.layout.item_dir;\n    }\n}\n```\n\n\n\n- Create a ViewBinder to bind view with the data bean. As you see, `provideViewHolder(View itemView)` corresponds for `onCreateViewHolder` in RecyclerView, and `bindView` corresponds for `onBindViewHolder` in RecyclerView. \n\n```java\npublic class FileNodeBinder extends TreeViewBinder\u003cFileNodeBinder.ViewHolder\u003e {\n    @Override\n    public ViewHolder provideViewHolder(View itemView) {\n        return new ViewHolder(itemView);\n    }\n\n    @Override\n    public void bindView(ViewHolder holder, int position, TreeNode node) {\n        File fileNode = (File) node.getContent();\n        holder.tvName.setText(fileNode.fileName);\n    }\n\n    @Override\n    public int getLayoutId() {\n        return R.layout.item_file;\n    }\n\n    public class ViewHolder extends TreeViewBinder.ViewHolder {\n        public TextView tvName;\n\n        public ViewHolder(View rootView) {\n            super(rootView);\n            this.tvName = (TextView) rootView.findViewById(R.id.tv_name);\n        }\n\n    }\n}\n```\n\n\n\n- Add TreeNode to TreeViewAdapter.\n\n```java\n        List\u003cTreeNode\u003e nodes = new ArrayList\u003c\u003e();\n        TreeNode\u003cDir\u003e app = new TreeNode\u003c\u003e(new Dir(\"app\"));\n        nodes.add(app);\n        app.addChild(\n                new TreeNode\u003c\u003e(new Dir(\"manifests\"))\n                        .addChild(new TreeNode\u003c\u003e(new File(\"AndroidManifest.xml\")))\n        );\n        app.addChild(\n                new TreeNode\u003c\u003e(new Dir(\"java\")).addChild(\n                        new TreeNode\u003c\u003e(new Dir(\"tellh\")).addChild(\n                                new TreeNode\u003c\u003e(new Dir(\"com\")).addChild(\n                                        new TreeNode\u003c\u003e(new Dir(\"recyclertreeview\"))\n                                                .addChild(new TreeNode\u003c\u003e(new File(\"Dir\")))\n                                                .addChild(new TreeNode\u003c\u003e(new File(\"DirectoryNodeBinder\")))\n                                                .addChild(new TreeNode\u003c\u003e(new File(\"File\")))\n                                                .addChild(new TreeNode\u003c\u003e(new File(\"FileNodeBinder\")))\n                                                .addChild(new TreeNode\u003c\u003e(new File(\"TreeViewBinder\")))\n                                )\n                        )\n                )\n        );\n        TreeNode\u003cDir\u003e res = new TreeNode\u003c\u003e(new Dir(\"res\"));\n        nodes.add(res);\n        res.addChild(\n                new TreeNode\u003c\u003e(new Dir(\"layout\"))\n                        .addChild(new TreeNode\u003c\u003e(new File(\"activity_main.xml\")))\n                        .addChild(new TreeNode\u003c\u003e(new File(\"item_dir.xml\")))\n                        .addChild(new TreeNode\u003c\u003e(new File(\"item_file.xml\")))\n        );\n        res.addChild(\n                new TreeNode\u003c\u003e(new Dir(\"mipmap\"))\n                        .addChild(new TreeNode\u003c\u003e(new File(\"ic_launcher.png\")))\n        );\n        TreeViewAdapter adapter = new TreeViewAdapter(nodes, Arrays.asList(new FileNodeBinder(), new DirectoryNodeBinder()));\n        rv.setAdapter(adapter);\n```\n\n- set TreeNodeListener to TreeViewAdapter\n\n```java\n        adapter.setOnTreeNodeListener(new TreeViewAdapter.OnTreeNodeListener() {\n            @Override\n            public boolean onClick(TreeNode node, RecyclerView.ViewHolder holder) {\n                if (!node.isLeaf()) {\n                    //Update and toggle the node.\n                    onToggle(!node.isExpand(), holder);\n                }\n                return false;\n            }\n\n            @Override\n            public void onToggle(boolean isExpand, RecyclerView.ViewHolder holder) {\n                DirectoryNodeBinder.ViewHolder dirViewHolder = (DirectoryNodeBinder.ViewHolder) holder;\n                final ImageView ivArrow = dirViewHolder.getIvArrow();\n                int rotateDegree = isExpand ? 90 : -90;\n                ivArrow.animate().rotationBy(rotateDegree)\n                        .start();\n            }\n        });\n```\n\n\n\nPlease check out the Demo and source code for more information. If you have any question, feel free to raise an issue. Thanks a lot!\n","funding_links":[],"categories":["TreeView"],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FTellH%2FRecyclerTreeView","html_url":"https://awesome.ecosyste.ms/projects/github.com%2FTellH%2FRecyclerTreeView","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FTellH%2FRecyclerTreeView/lists"}