我要评论build.gradle
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "26.0.2"
defaultConfig {
applicationId "gouwuche.bwei.com.gouwuche"
minSdkVersion 15
targetSdkVersion 25
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:25.+'
compile 'com.android.support:recyclerview-v7:25.3.1'
compile 'com.squareup.okhttp3:okhttp:3.9.0'
compile 'com.google.code.gson:gson:2.8.2'
compile 'com.jakewharton:butterknife:8.8.1'
compile 'com.jakewharton:butterknife-compiler:8.8.1'
compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
}
activity_main.xml
<!--?xml version="1.0" encoding="utf-8"?-->
<linearlayout xmlns:android="https://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent">
<linearlayout android:layout_weight="0" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:background="#FFFFFF" android:gravity="center_vertical" android:id="@+id/third_pay_linear">
<checkbox android:id="@+id/third_allselect" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginleft="@dimen/margin_10dp" android:text="全选" android:drawablepadding="@dimen/padding_5dp">
<linearlayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical">
<textview android:id="@+id/third_totalprice" android:layout_width="200dp" android:layout_height="wrap_content" android:paddingleft="@dimen/padding_10dp" android:paddingtop="@dimen/padding_10dp" android:text="总价：" android:textcolor="#000000" android:textsize="@dimen/common_font_size_16">
<textview android:textcolor="#000000" android:id="@+id/third_totalnum" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingleft="@dimen/padding_10dp" android:text="共0件商品" android:textsize="@dimen/common_font_size_14" android:paddingbottom="@dimen/padding_10dp">
</textview></textview></linearlayout>
<textview android:id="@+id/third_submit" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@drawable/login_btn" android:text="去结算" android:paddingleft="@dimen/margin_30dp" android:paddingright="@dimen/margin_30dp" android:paddingtop="@dimen/padding_10dp" android:paddingbottom="@dimen/padding_10dp" android:textcolor="#000000" android:layout_marginright="@dimen/margin_10dp">
</textview></checkbox></linearlayout>
</android.support.v7.widget.recyclerview></linearlayout>
customview.xml
<!--?xml version="1.0" encoding="utf-8"?-->
<linearlayout xmlns:android="https://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent">
<button android:layout_width="10dp" android:layout_height="wrap_content" android:id="@+id/revserse" android:text="-" android:background="#00FFFFFF">
<edittext android:text="1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/content">
</edittext></button><button android:background="#00FFFFFF" android:text="+" android:id="@+id/add" android:layout_width="10dp" android:layout_height="wrap_content">
</button></linearlayout>
shop_adapter.xml
<!--?xml version="1.0" encoding="utf-8"?-->
<relativelayout xmlns:android="https://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent">
<linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal">
<checkbox android:id="@+id/checkbox" android:layout_margintop="20dp" android:layout_marginleft="20dp" android:layout_width="wrap_content" android:layout_height="wrap_content">
<imageview android:id="@+id/shopface" android:layout_width="80dp" android:layout_height="80dp" android:layout_marginleft="20dp" android:src="@mipmap/ic_launcher">
<textview android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margintop="30dp" android:layout_marginleft="20dp" android:id="@+id/danjia">
<gouwuche.bwei.com.gouwuche.customview android:id="@+id/customviewid" android:layout_margintop="20dp" android:layout_marginleft="20dp" android:layout_width="100dp" android:layout_height="50dp">
</gouwuche.bwei.com.gouwuche.customview></textview></imageview></checkbox></linearlayout>
<button android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginleft="20dp" android:layout_margintop="20dp" android:layout_alignparentright="true" android:id="@+id/shop_btn_del" android:text="删除">
</button></relativelayout>
ShopActivity
package gouwuche.bwei.com.gouwuche;
import android.app.Activity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.google.gson.Gson;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
public class ShopActivity extends Activity {
@BindView(R.id.third_recyclerview)
RecyclerView thirdRecyclerview;
@BindView(R.id.third_allselect)
CheckBox thirdAllselect;
@BindView(R.id.third_totalprice)
TextView thirdTotalprice;
@BindView(R.id.third_totalnum)
TextView thirdTotalnum;
@BindView(R.id.third_submit)
TextView thirdSubmit;
@BindView(R.id.third_pay_linear)
LinearLayout thirdPayLinear;
private List mAllOrderList = new ArrayList<>();
private ShopAdapter adapter;
private LinearLayoutManager manager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
getData();
// 1 为选中 2 选中
thirdAllselect.setTag(1);
manager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
adapter = new ShopAdapter(this);
thirdRecyclerview.setLayoutManager(manager);
thirdRecyclerview.setAdapter(adapter);
adapter.add(mAllOrderList);
adapter.setCheckBoxListener(new ShopAdapter.CheckBoxListener() {
@Override
public void check(int position, int count, boolean check, List list) {
sum(list);
}
});
adapter.setCustomViewListener(new ShopAdapter.CustomViewListener() {
@Override
public void click(int count, List list) {
sum(list);
}
});
adapter.setDelListener(new ShopAdapter.DelListener() {
@Override
public void del(int position, List list) {
sum(list);
}
});
}
float price = 0;
int count;
/**
* 计算总价
*
* @param mAllOrderList
*/
private void sum(List mAllOrderList) {
price = 0;
count = 0;
boolean allCheck = true;
for (ShopBean.OrderDataBean.CartlistBean bean : mAllOrderList) {
if (bean.isCheck()) {
//得到总价
price += bean.getPrice() * bean.getCount();
//得到商品个数
count += bean.getCount();
} else {
// 只要有一个商品未选中，全选按钮 应该设置成 未选中
allCheck = false;
}
}
thirdTotalprice.setText("总价: " + price);
thirdTotalnum.setText("共" + count + "件商品");
if (allCheck) {
thirdAllselect.setTag(2);
thirdAllselect.setChecked(true);
// thirdAllselect.setBackgroundResource(R.drawable.shopcart_selected);
} else {
thirdAllselect.setTag(1);
thirdAllselect.setChecked(false);
// thirdAllselect.setBackgroundResource(R.drawable.shopcart_unselected);
}
}
public void getData() {
try {
//模拟网络请求
InputStream inputStream = getAssets().open("shop.json");
String data = convertStreamToString(inputStream);
Gson gson = new Gson();
ShopBean shopBean = gson.fromJson(data, ShopBean.class);
for (int i = 0; i < shopBean.getOrderData().size(); i++) {
int length = shopBean.getOrderData().get(i).getCartlist().size();
for (int j = 0; j < length; j++) {
mAllOrderList.add(shopBean.getOrderData().get(i).getCartlist().get(j));
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static String convertStreamToString(InputStream is) {
/*
* To convert the InputStream to String we use the BufferedReader.readLine()
* method. We iterate until the BufferedReader return null which means
* there's no more data to read. Each line will appended to a StringBuilder
* and returned as String.
*/
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
StringBuilder sb = new StringBuilder();
String line = null;
try {
while ((line = reader.readLine()) != null) {
sb.append(line);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return sb.toString();
}
boolean select = false;
@OnClick(R.id.third_allselect)
public void onClick() {
//全选按钮 点击事件
int tag = (Integer) thirdAllselect.getTag();
if (tag == 1) {
thirdAllselect.setTag(2);
select = true;
} else {
thirdAllselect.setTag(1);
select = false;
}
for (ShopBean.OrderDataBean.CartlistBean bean : mAllOrderList) {
bean.setCheck(select);
}
adapter.notifyDataSetChanged();
sum(adapter.getList());
}
}
ShopAdapter
package gouwuche.bwei.com.gouwuche;
import android.content.Context;
import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.TextView;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import java.util.ArrayList;
import java.util.List;
import butterknife.BindView;
import butterknife.ButterKnife;
/**
* Created by muhanxi on 17/11/15.
*/
public class ShopAdapter extends RecyclerView.Adapter {
private Context context;
private List list ;
public ShopAdapter(Context context) {
this.context = context;
}
/**
* 更新数据
* @param list
*/
public void add(List list){
if(this.list == null){
this.list = new ArrayList<>();
ImageLoader.getInstance().init(ImageLoaderConfiguration.createDefault(context));
}
this.list.addAll(list);
notifyDataSetChanged();
}
@Override
public IViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = View.inflate(context, R.layout.shop_adapter, null);
return new IViewHolder(view);
}
@Override
public void onBindViewHolder(final IViewHolder holder, final int position) {
//防止checkbox 滑动 错乱
holder.checkbox.setChecked(list.get(position).isCheck());
holder.customviewid.setEditText(list.get(position).getCount());
holder.danjia.setText(list.get(position).getPrice()+"");
ImageLoader.getInstance().displayImage(list.get(position).getDefaultPic(),holder.shopface);
/**
* checkbox 点击事件
*/
holder.checkbox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
list.get(position).setCheck(holder.checkbox.isChecked());
notifyDataSetChanged();
if(checkBoxListener != null){
checkBoxListener.check(position,holder.customviewid.getCurrentCount(),holder.checkbox.isChecked(),list);
}
}
});
/**
* 加减监听
*/
holder.customviewid.setListener(new CustomView.ClickListener() {
@Override
public void click(int count) {
//更新数据源
list.get(position).setCount(count);
notifyDataSetChanged();
if(listener != null){
listener.click(count,list);
}
}
});
/**
* 删除点击事件
*/
holder.del.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
new AlertDialog.Builder(context)
.setTitle("是否确定删除" )
.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
list.remove(position);
notifyDataSetChanged();
}
})
.setNegativeButton("取消" , null )
.show();
//list.remove(position);
if(delListener != null){
delListener.del(position,list);
}
}
});
}
@Override
public int getItemCount() {
return list == null ? 0 : list.size();
}
static class IViewHolder extends RecyclerView.ViewHolder {
@BindView(R.id.checkbox)
CheckBox checkbox;
@BindView(R.id.shopface)
ImageView shopface;
@BindView(R.id.danjia)
TextView danjia;
@BindView(R.id.customviewid)
CustomView customviewid;
@BindView(R.id.shop_btn_del)
Button del ;
IViewHolder(View view) {
super(view);
ButterKnife.bind(this, view);
}
}
public List getList(){
return list;
}
CheckBoxListener checkBoxListener;
/**
* checkbox 点击事件
* @param listener
*/
public void setCheckBoxListener(CheckBoxListener listener){
this.checkBoxListener = listener;
}
interface CheckBoxListener {
public void check(int position, int count, boolean check, List list);
}
CustomViewListener listener;
/**
* 加减号 点击事件
* @param listener
*/
public void setCustomViewListener(CustomViewListener listener){
this.listener = listener;
}
interface CustomViewListener {
public void click(int count, List list);
}
DelListener delListener ;
/**
* 加减号 删除按钮事件
* @param listener
*/
public void setDelListener(DelListener listener) {
this.delListener = listener ;
}
interface DelListener {
public void del(int position, List list);
}
}
CustomView
package gouwuche.bwei.com.gouwuche;
import android.content.Context;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
/**
* Created by muhanxi on 17/11/15.
*/
public class CustomView extends LinearLayout {
private EditText editText;
private Button revserse;
private Button add;
private int mCount = 1 ;
public CustomView(Context context) {
super(context);
}
public CustomView(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
View view = LayoutInflater.from(context).inflate(R.layout.customview,null,false);
revserse = (Button) view.findViewById(R.id.revserse);
add = (Button) view.findViewById(R.id.add);
editText = (EditText) view.findViewById(R.id.content);
revserse.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
//减号
try {
String content = editText.getText().toString().trim() ;
int count = Integer.valueOf(content)-1;
if(count > 0){
editText.setText(count+"");
mCount = count-1;
if(listener != null){
listener.click(count);
}
}
} catch (NumberFormatException e) {
e.printStackTrace();
}
}
});
add.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
//加号
try {
String content = editText.getText().toString().trim() ;
int count = Integer.valueOf(content)+1;
mCount = count;
editText.setText(count+"");
if(listener != null){
listener.click(count);
}
} catch (NumberFormatException e) {
e.printStackTrace();
}
}
});
addView(view);
}
public void setEditText(int count) {
editText.setText(count+"");
}
public int getCurrentCount(){
return mCount ;
}
public CustomView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
public ClickListener listener;
public void setListener(ClickListener listener){
this.listener = listener;
}
/**
* 加减号 点击事件
*/
public interface ClickListener {
public void click(int count);
}
}
ShopBean
assets里面要添加shop.json
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