Adding Subitem to a listview in Android

时光怂恿深爱的人放手 提交于 2019-11-27 23:23:03

EDIT: Okay, just for kicks, I threw this together. It compiles and functions correctly, see if you can adapt it for your particular needs:

layout/taxi_list_item.xml

<?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="100dp"
    android:padding="10dp"
    android:orientation="vertical"
    >
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/taxi_name"
        />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/taxi_address"
        />
</LinearLayout>

layout/main.xml

<?xml version="1.0" encoding="utf-8"?>
<ListView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+android:id/list"
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    />

TaxiMain.java

package com.test.taxi;

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

import android.app.ListActivity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;

public class TaxiMain extends ListActivity {
    /** Called when the activity is first created. 
     * @return */

    class Taxi {
        private String taxiName;
        private String taxiAddress;

        public String getName() {
            return taxiName;
        }

        public void setName(String name) {
            taxiName = name;
        }

        public String getAddress() {
            return taxiAddress;
        }

        public void setAddress(String address) {
            taxiAddress = address;
        }

        public Taxi(String name, String address) {
            taxiName = name;
            taxiAddress = address;
        }
    }

    public class TaxiAdapter extends ArrayAdapter<Taxi> {
        private ArrayList<Taxi> items;
        private TaxiViewHolder taxiHolder;

        private class TaxiViewHolder {
            TextView name;
            TextView address; 
        }

        public TaxiAdapter(Context context, int tvResId, ArrayList<Taxi> items) {
            super(context, tvResId, items);
            this.items = items;
        }

        @Override
        public View getView(int pos, View convertView, ViewGroup parent) {
            View v = convertView;
            if (v == null) {
                LayoutInflater vi = (LayoutInflater)getSystemService(LAYOUT_INFLATER_SERVICE);
                v = vi.inflate(R.layout.feed_view, null);
                taxiHolder = new TaxiViewHolder();
                taxiHolder.name = (TextView)v.findViewById(R.id.taxi_name);
                taxiHolder.address = (TextView)v.findViewById(R.id.taxi_address);
                v.setTag(taxiHolder);
            } else taxiHolder = (TaxiViewHolder)v.getTag(); 

            Taxi taxi = items.get(pos);

            if (taxi != null) {
                taxiHolder.name.setText(taxi.getName());
                taxiHolder.address.setText(taxi.getAddress());
            }

            return v;
        }
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        String[] taxiNames = getResources().getStringArray(R.array.taxi_name_array);
        String[] taxiAddresses = getResources().getStringArray(R.array.taxi_address_array);

        ArrayList<Taxi> taxiList = new ArrayList<Taxi>();

        for (int i = 0; i < taxiNames.length; i++) {
            taxiList.add(new Taxi(taxiNames[i], taxiAddresses[i]));
        }

        setListAdapter(new TaxiAdapter(this, R.layout.taxi_list_item, taxiList));      
    }
}

_____END EDIT_______

You'd probably be better off using a database for something like this, to keep the records tied together. If you're set on using arrays, one thing you could do is make a separate array for each item you need (e.g. taxi_array, taxi_address_array, taxi_phone_array) then make a Taxi object in your code:

class Taxi {
    String taxiName;
    String taxiAddress;
    String taxiPhone;

    public Taxi(String name, String address, String phone) {
        taxiName = name;
        taxiAddress = address;
        taxiPhone = phone;
    }
}

private List<Taxi> taxiList;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    String[] taxiNames = getResources().getStringArray("taxi_array");
    String[] taxiAddresses = getResources().getStringArray("taxi_address_array");
    String[] taxiPhones = getResources().getStringArray("taxi_phone_array");
    taxiList = new ArrayList<Taxi>();

    for (int i = 0; i < taxiNames.length; i++) {
        taxiList.add(new Taxi(taxiNames[i], taxiAddresses[i], taxiPhones[i]));
    }
}

(This is uncompiled code, some tweaks may be needed) But then you'll have a List of Taxi items, containing all of the compiled information from the different arrays. A database would still be a much better option (or even a CSV file with the data, in your assets).

I had same problem and I solved myself like this: you can simply add subitem like this code and you don't need so much coding!!

    <string name="app_name">Taxi Me</string>
    <string-array name="taxi_array">
<item>
     <item>Barrys Taxi</item>
     <item>adress</item>
     <item>contact</item>
     <item>ANY THING...</item>
</item>

<item>
     <item>Boom Taxi</item>
     <item>adress</item>
     <item>contact</item>
     <item>ANY THING...</item>
</item>
    </string-array>
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