自定义view加列表展示

来源：互联网发布：机械加工工艺报价软件编辑：程序博客网时间：2024/06/06 01:47

布局

//main

<custom.CustomView
android:id="@+id/customview"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true" />
</RelativeLayout>

//show

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>

<xlistview.XListView
android:id="@+id/xlv"
android:layout_width="match_parent"
android:layout_height="match_parent" />

</RelativeLayout>

//item

<?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="match_parent"
android:orientation="vertical">

<TextView
android:id="@+id/contnt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="New Text"
android:textSize="20dp" />

<TextView
android:id="@+id/times"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="New Text" />
</LinearLayout>

//adapter

package adapter;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

import java.text.SimpleDateFormat;
import java.util.List;

import bean.News;
import bwie.gaojian20161107.R;

/**
* Created by tang on 2016/11/7.
*/
public class MyAdapter extends BaseAdapter {
List<News.ResultBean.DataBean> listall;
Context context;

public MyAdapter(List<News.ResultBean.DataBean> listall, Context context) {
this.listall = listall;
this.context = context;
}

@Override
public int getCount() {
return listall.size();
}

@Override
public Object getItem(int position) {
return listall.get(position);
}

@Override
public long getItemId(int position) {
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder vh;
if (convertView == null) {
vh = new ViewHolder();
convertView = View.inflate(context, R.layout.item, null);
vh.content = (TextView) convertView.findViewById(R.id.contnt);
vh.time = (TextView) convertView.findViewById(R.id.times);
convertView.setTag(vh);
} else {
vh = (ViewHolder) convertView.getTag();
}
vh.content.setText(listall.get(position).content);
int time = listall.get(position).unixtime;
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("HH:mm:ss");
String str = simpleDateFormat.format(time);
vh.time.setText(str);
return convertView;
}

class ViewHolder {
TextView content;
TextView time;
}
}

//bean

package bean;

import java.util.List;

/**
* Created by tang on 2016/11/7.
*/
public class News {

/**
* error_code : 0
* reason : Success
* result : {"data":[{"content":" 跟你们说个今天发生的真事！在公交车上一女孩腿不舒服没给大妈让座大妈开始骂那女孩说话很难听冷嘲热风的说人家没出息嫁不出去怎样的还说女孩爸妈没教好她都怪父母教育程度低怎么怎么的我实在听不下去了趁人多的时候我把那个大妈的钱包偷了！","hashId":"751fdace9eb819af23d6a022dc9c86de","unixtime":1478469230,"updatetime":"2016-11-07 05:53:50"},{"content":"女友：\u201c我就是看准你是只潜力股才逢低买入的，　　哪知道几年了，一点上升的势头都没有，当初还不如直接选只绩优股。\u201d　　男朋友：\u201c知足吧，就你那眼光，肯定去买中石油。\u201d","hashId":"82880bd35aa5b4afb5deed4cd88c47f4","unixtime":1478468630,"updatetime":"2016-11-07 05:43:50"},{"content":"乾隆下江南，乌龟挡道。　　乾隆问：\u201c王八们有何事上奏？\u201d　　乌龟道：\u201c我等有王八蛋进贡，欲求乌纱帽！\u201d　　乾隆大笑：\u201c好，哪日灯头朝下时，就让你等全部当官。\u201d　　乌龟们扣谢。　　乾隆笑道：\u201c这帮蠢王八，油灯烛头什么时候可以朝下？\u201d　　转眼300年后，电灯取代了蜡烛，　　于是，君无戏言，这些乌龟果真全部当了官。","hashId":"3aaf8abfc6486dc51242210662e672e2","unixtime":1478468630,"updatetime":"2016-11-07 05:43:50"},{"content":"班主任教两个班，另一个班的大雄喜欢他班上一美女。　　一天我对大雄说：\u201c你别喜欢她了，你和她如果真在一起了那简直就是一朵鲜花插在了牛粪上。\u201d　　他沉默了三秒，拍案而起怒道：\u201c你不能说她是牛粪！\u201d　　我更郁闷：\u201c大哥我有说你是鲜花么？\u201d","hashId":"3a127c956b9ab1039d3279b2dbfa9596","unixtime":1478468630,"updatetime":"2016-11-07 05:43:50"},{"content":"大飞上高中，学校收补课费，就给爸打电话说学校收补课费。　　爸问：\u201c多少？\u201d　　大飞说：\u201c480。\u201d　　然后只听见大飞爸对大飞妈说：\u201c孩子学校收补课费1580 。\u201d","hashId":"de4f82d80a8e59b556abcd435d85c9ac","unixtime":1478468630,"updatetime":"2016-11-07 05:43:50"},{"content":"\u201c这件好看吗？\u201d　　\u201c不好。\u201d　　\u201c这件呢？\u201d　　\u201c也不好。\u201d　　\u201c这件总可以吧？这款丝袜我看很久了，薄，透气，花纹什么也可以。\u201d　　\u201c大哥快走吧，我们这是去抢劫啊！\u201d","hashId":"6be0d1b16bddee1a1e49f8d6dd134f9c","unixtime":1478468630,"updatetime":"2016-11-07 05:43:50"},{"content":"邻居家的孩子昨天被老师批评了，今天哭着不上学。　　我对我女儿说，看，这是不对的，不能因为老师批评就不上学。　　我那六岁的女儿不屑的说：\u201c就是，哭什么呀？老师天天批评我，我都没哭。\u201d","hashId":"b11d2f89510b6fcabcad073d35edd7ed","unixtime":1478468630,"updatetime":"2016-11-07 05:43:50"},{"content":"月初又有新的流量，　　我让一个室友帮我在手机里下载几部日本动作片，　　并委婉地提出要不穿衣服、没有剧情的，　　室友邪恶地一笑：\u201c看不出你爱好很独特嘛。\u201d　　后来他得意地把手机交给我，　　并当面打开帮我下载的相扑比赛视频，　　我怀着无比复杂的心情表达了对他的感激，室友之间的代沟莫过于此。","hashId":"deb6dd77b034b2b1dc50645191c742aa","unixtime":1478468630,"updatetime":"2016-11-07 05:43:50"},{"content":"一队记者扑面而来：\u201c您好，先生您好，请问能问您几个问题...\u201d　　\u201c我幸福！\u201d我本能地抢答。　　记者脸稍红:\u201c不是这...\u201d 　　\u201c我最开心是这月又长工资了！\u201d 　　记者:\u201c也不是，您。。\u201d 　　\u201c凝心聚力谋发展，立足岗位作贡献，喜迎大会笑开颜！\u201d　　记者怔怔地看着我，狠狠地道：\u201c谢谢！\u201d","hashId":"c732103914bf115ef0825c654057a1fb","unixtime":1478468630,"updatetime":"2016-11-07 05:43:50"},{"content":"狗对熊说：嫁给我吧，你会幸福的。　　熊说：嫁你生狗熊，我要嫁给猫，　　生熊猫才尊贵，说明选择很重要。","hashId":"375a326fd5f28bbb0ead71646e4f88e2","unixtime":1478468630,"updatetime":"2016-11-07 05:43:50"}]}
*/

public int error_code;
public String reason;
public ResultBean result;

public static class ResultBean {
/**
* content : 跟你们说个今天发生的真事！在公交车上一女孩腿不舒服没给大妈让座大妈开始骂那女孩说话很难听冷嘲热风的说人家没出息嫁不出去怎样的还说女孩爸妈没教好她都怪父母教育程度低怎么怎么的我实在听不下去了趁人多的时候我把那个大妈的钱包偷了！
* hashId : 751fdace9eb819af23d6a022dc9c86de
* unixtime : 1478469230
* updatetime : 2016-11-07 05:53:50
*/

public List<DataBean> data;

public static class DataBean {
public String content;
public String hashId;
public int unixtime;
public String updatetime;
}
}
}

//MYView

package custom;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.View;

/**
* Created by tang on 2016/11/7.
*/
public class CustomView extends View {
private float radius;

public float getRadius() {
return radius;
}

public CustomView(Context context) {
this(context, null);
}

public CustomView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}

public CustomView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int widthMode = MeasureSpec.getMode(widthMeasureSpec);
int widthSize = MeasureSpec.getSize(widthMeasureSpec);
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
int heightSize = MeasureSpec.getSize(heightMeasureSpec);
int width = 0;
int height = 0;
if (widthMode == MeasureSpec.EXACTLY) {
width = widthSize;
} else {
width = 80;
radius = 40;
}
if (heightMode == MeasureSpec.EXACTLY) {
height = heightSize;
} else {
height = 80;
radius = 40;
}
setMeasuredDimension(width, height);

}

@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
float x = getWidth();
float y = getHeight();
//创建画笔
Paint p = new Paint();
Rect rect = new Rect();

//画圆
p.setColor(Color.RED);
canvas.drawCircle(x / 2, y / 2, radius, p);
p.setColor(Color.BLACK);
String str = "下一步";
p.getTextBounds(str, 0, str.length(), rect);
canvas.drawText(str, x / 2 - rect.width() / 2, y / 2 + rect.height() / 2, p);
}
}

activity

//Mainactivity

import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;

import baseactivity.BaseActivity;
import butterknife.Bind;
import custom.CustomView;

public class MainActivity extends BaseActivity {
@Bind(R.id.customview)
CustomView c;

@Override
public int bindLayout() {
return R.layout.activity_main;
}

@Override
public void initData() {

}

@Override
public void initView(Bundle savedInstanceState) {
/* c = (CustomView) findViewById(R.id.customview);*/
c.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
float downx = event.getX();
float downy = event.getY();
float radius = c.getRadius();
double width = Math.abs(downx - radius);
double height = Math.abs(downy - radius);
double d = Math.sqrt(width * width + height * height);
if (d < radius) {
startAct(Show.class);
return true;
}
}
return false;
}
});
}

@Override
public void loadData() {

}
}

//show

import android.os.Bundle;
import android.os.Handler;
import android.os.Message;

import com.google.gson.Gson;

import java.util.ArrayList;
import java.util.List;

import adapter.MyAdapter;
import baseactivity.BaseActivity;
import bean.News;
import xlistview.XListView;

public class Show extends BaseActivity implements XListView.IXListViewListener {
@Override
public int bindLayout() {
return R.layout.activity_show;
}

@Override
public void initData() {

}

@Override
public void initView(Bundle savedInstanceState) {
xlv = (XListView) findViewById(R.id.xlv);
xlv.setPullRefreshEnable(true);
xlv.setPullLoadEnable(true);
xlv.setXListViewListener(this);
}

@Override
public void loadData() {
GetRes(1);
}

List<News.ResultBean.DataBean> listall = new ArrayList<>();
MyAdapter adapter;
int page = 1;
String path = "http://japi.juhe.cn/joke/content/list.from?key= 874ed931559ba07aade103eee279bb37&pagesize=10&sort=asc&time=1418745237&page=" + page;
private XListView xlv;
Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
int type = msg.arg1;
String json = (String) msg.obj;
Gson gson = new Gson();
News news = gson.fromJson(json, News.class);
News.ResultBean res = news.result;
List<News.ResultBean.DataBean> list = res.data;
switch (type) {
case 1:
listall.addAll(list);
adapter = new MyAdapter(listall, Show.this);
xlv.setAdapter(adapter);
break;
case 2:
listall.clear();
listall.addAll(list);
adapter.notifyDataSetChanged();
stop();
break;
case 3:
listall.addAll(list);
adapter.notifyDataSetChanged();
stop();
break;
}
}
};

/**
* 获取网络资源
*/
private void GetRes(final int tag) {
path = "http://japi.juhe.cn/joke/content/list.from?key= 874ed931559ba07aade103eee279bb37&pagesize=10&sort=asc&time=1418745237&page=" + page;
getAyn(path, handler, tag);
}

public void stop() {
xlv.stopLoadMore();
xlv.stopRefresh();
}

@Override
public void onRefresh() {
page = page + 1;
path = "http://japi.juhe.cn/joke/content/list.from?key= 874ed931559ba07aade103eee279bb37&pagesize=10&sort=asc&time=1418745237&page=" + page;
GetRes(2);
}

@Override
public void onLoadMore() {
page = page + 1;
path = "http://japi.juhe.cn/joke/content/list.from?key= 874ed931559ba07aade103eee279bb37&pagesize=10&sort=asc&time=1418745237&page=" + page;
GetRes(3);
}

}

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