• RecyclerView的基本创建


    线性显示 类似于listview:

    线性宫格显示 类似于grid view:

    用线性宫格显示 类似于瀑布流:

    结构图:

    测试代码:

    activity_main.xml:

     1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     2     xmlns:tools="http://schemas.android.com/tools"
     3     android:layout_width="match_parent"
     4     android:layout_height="match_parent" >
     5 
     6     <android.support.v7.widget.RecyclerView
     7         android:id="@+id/recycler_view"
     8         android:layout_width="match_parent"
     9         android:layout_height="match_parent"
    10         android:layout_centerHorizontal="true"
    11         android:layout_centerVertical="true" />
    12 
    13 </RelativeLayout>
    activity_main.xml

    MainActivity.java:

     1 package com.zzw.testrecyclerview;
     2 
     3 import android.app.Activity;
     4 import android.os.Bundle;
     5 import android.support.v7.widget.GridLayoutManager;
     6 import android.support.v7.widget.LinearLayoutManager;
     7 import android.support.v7.widget.OrientationHelper;
     8 import android.support.v7.widget.RecyclerView;
     9 import android.support.v7.widget.RecyclerView.Adapter;
    10 import android.support.v7.widget.StaggeredGridLayoutManager;
    11 import android.widget.TextView;
    12 
    13 public class MainActivity extends Activity {
    14 
    15     RecyclerView mRecyclerView;
    16 
    17     @Override
    18     protected void onCreate(Bundle savedInstanceState) {
    19         super.onCreate(savedInstanceState);
    20         setContentView(R.layout.activity_main);
    21 
    22         String[] mTitles = new String[100];
    23 
    24         for (int i = 0; i < 99; i++) {
    25             mTitles[i] = "测试数据" + i;
    26         }
    27 
    28         mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);
    29 
    30         // 这里用线性显示 类似于listview
    31 //        mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
    32 
    33         // 这里用线性宫格显示 类似于grid view
    34 //         mRecyclerView.setLayoutManager(new GridLayoutManager(this,3));
    35 
    36         // 这里用线性宫格显示 类似于瀑布流
    37          mRecyclerView.setLayoutManager(new StaggeredGridLayoutManager(2,
    38          OrientationHelper.VERTICAL));
    39 
    40         NormalRecyclerViewAdapter adapter = new NormalRecyclerViewAdapter(this,
    41                 android.R.layout.simple_list_item_1, mTitles);
    42 
    43         mRecyclerView.setAdapter(adapter);
    44     }
    45 
    46 }

    NormalRecyclerViewAdapter.java:

     1 package com.zzw.testrecyclerview;
     2 
     3 import android.content.Context;
     4 import android.support.v7.widget.RecyclerView.Adapter;
     5 import android.support.v7.widget.RecyclerView.ViewHolder;
     6 import android.util.Log;
     7 import android.view.LayoutInflater;
     8 import android.view.View;
     9 import android.view.View.OnClickListener;
    10 import android.view.ViewGroup;
    11 import android.widget.TextView;
    12 
    13 public class NormalRecyclerViewAdapter extends
    14         Adapter<NormalRecyclerViewAdapter.NormalTextViewHolder> {
    15     private final LayoutInflater mLayoutInflater;
    16     private final Context mContext;
    17     private String[] mTitles;
    18 
    19     public NormalRecyclerViewAdapter(Context context, int item_id,
    20             String[] Titles) {
    21         mContext = context;
    22         mTitles = Titles;
    23         mLayoutInflater = LayoutInflater.from(context);
    24     }
    25 
    26     @Override
    27     public int getItemCount() {
    28 
    29         return mTitles == null ? 0 : mTitles.length;
    30     }
    31 
    32     @Override
    33     public NormalTextViewHolder onCreateViewHolder(ViewGroup arg0, int arg1) {
    34 
    35         return new NormalTextViewHolder(mLayoutInflater.inflate(
    36                 android.R.layout.simple_list_item_1, null));
    37     }
    38 
    39     @Override
    40     public void onBindViewHolder(NormalTextViewHolder holder, int position) {
    41             holder.mTextView.setText(mTitles[position]);
    42     }
    43 
    44     public static class NormalTextViewHolder extends ViewHolder {
    45         
    46         TextView mTextView;
    47 
    48         public NormalTextViewHolder(View view) {
    49             super(view);
    50             mTextView=(TextView) view.findViewById(android.R.id.text1);
    51             view.setOnClickListener(new OnClickListener() {
    52 
    53                 @Override
    54                 public void onClick(View v) {
    55                     Log.d("NormalTextViewHolder", "onClick--> position = "
    56                             + getPosition());
    57                 }
    58             });
    59         }
    60     }
    61 }

    相关问题解决:

    使用android.support.v7.widget.RecyclerView出现 java.lang.reflect.InvocationTargetException:http://www.cnblogs.com/zzw1994/p/5004564.html

  • 相关阅读:
    IO文件
    eclipse快捷键
    异常
    多例模式
    单例模式
    访问控制权限
    系统常见包

    查找
    【avalon】offsetParent
  • 原文地址:https://www.cnblogs.com/zzw1994/p/5034770.html
Copyright © 2020-2023  润新知