整理文档，搜刮出一个Android TimeLine 时间节点轴的实现实例代码，稍微整理精简一下做下分享。

效果图

具体实现 (RecyclerView)

1.Adapter

package com.haoren.timeline;import android.content.Context;import android.support.v7.widget.RecyclerView;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;/** * Created by Hh on 2017/3/8. */public class TimeLineAdapter extends RecyclerView.Adapter<TimeLineAdapter.HorizontalVh> { private Context context; //时间节点数 private int nodeNum = 0; //当前到达节点 private int currentNode = 1; public TimeLineAdapter(Context context, int nodeNum) { this.context = context; this.nodeNum = nodeNum; } @Override public HorizontalVh onCreateViewHolder(ViewGroup parent, int viewType) { View view = LayoutInflater.from(context).inflate(R.layout.time_line, null, false); HorizontalVh vh = new HorizontalVh(view); return vh; } @Override public void onBindViewHolder(HorizontalVh holder, int position) { if (position < currentNode) { //当前节点之前的全部设为已经经过 holder.point.setImageResource(R.mipmap.point_select); holder.lineLeft.setBackgroundResource(R.color.colorPrimary); holder.lineRight.setBackgroundResource(R.color.colorPrimary); } // 去掉左右两头的分支 if (position == 0) { holder.lineLeft.setVisibility(View.INVISIBLE); } if (position == nodeNum - 1) { holder.lineRight.setVisibility(View.INVISIBLE); } } @Override public int getItemCount() { return nodeNum; } /** * 设置当前节点 * @param currentNode */ public void setCurrentNode(int currentNode) { this.currentNode = currentNode; this.notifyDataSetChanged(); } class HorizontalVh extends RecyclerView.ViewHolder { private ImageView point; private View lineLeft, lineRight; public HorizontalVh(View itemView) { super(itemView); this.point = (ImageView) itemView.findViewById(R.id.point); this.lineLeft = itemView.findViewById(R.id.line_left); this.lineRight = itemView.findViewById(R.id.line_right); } }}

item.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="0dp" android:layout_weight="1" android:layout_height="50dp" android:gravity="center_horizontal" android:orientation="vertical"> <RelativeLayout android:layout_marginTop="20dp" android:layout_width="40dp" android:layout_height="wrap_content"> <View android:id="@+id/line_left" android:layout_width="20dp" android:layout_height="1dp" android:layout_centerVertical="true" android:background="#A6A6A6" /> <View android:id="@+id/line_right" android:layout_width="20dp" android:layout_height="1dp" android:layout_centerVertical="true" android:layout_toRightOf="@+id/line_left" android:background="#A6A6A6" /> <ImageView android:id="@+id/point" android:layout_width="15dp" android:layout_height="15dp" android:layout_centerHorizontal="true" android:scaleType="center" android:src="@mipmap/point_normal" /> </RelativeLayout> <TextView android:id="@+id/show_time" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="node" android:textSize="11sp" /></LinearLayout>

MainActivity

package com.haoren.timeline;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;public class MainActivity extends AppCompatActivity { private RecyclerView mRecyclerView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mRecyclerView = (RecyclerView) findViewById(R.id.mRecyclerView); initAdapter(); } private void initAdapter() { TimeLineAdapter adapter = new TimeLineAdapter(this, 8); mRecyclerView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false)); mRecyclerView.setAdapter(adapter); adapter.setCurrentNode(5); }}

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