Question

我是android的新手，我目前正在制作一个自定义列表项的列表视图，我想对Listview的项目点击事件做一个动作，我搜索了很多类似的线程没有运气，任何人都可以帮助我来解决这个问题。我的代码如下，

<?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"
    android:background="#fff">

    <TextView
        android:id="@+id/tv_hdr"
        android:layout_width="fill_parent"
        android:layout_height="80dp"
        android:layout_alignParentTop="true"
        android:background="@color/orange"
        android:gravity="center"
        android:text="SELECT YOUR CITY"
        android:textColor="@color/white"
        android:textSize="22dp" />

    <EditText
        android:id="@+id/et_search"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/tv_hdr"
        android:layout_marginLeft="10dp"
        android:layout_marginRight="10dp"
        android:layout_marginTop="5dp"
        android:background="@drawable/et_selector"
        android:drawableLeft="@drawable/search"
        android:hint="City Or Postal Code"
        android:padding="10dp"
        android:textSize="16dp" />

    <TextView
        android:id="@+id/tv_loc"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/et_search"
        android:background="@color/grey_light"
        android:drawableLeft="@drawable/ic_loc"
        android:gravity="center_vertical"
        android:padding="10dp"
        android:paddingLeft="5dp"
        android:text=" My Location"
        android:textColor="@color/black"
        android:textSize="16dp"
        android:textStyle="bold" />


    <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/scr_location"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_below="@+id/tv_loc"
        android:fillViewport="true">

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <TextView
                android:id="@+id/tv_populcar_city"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"

                android:background="@color/white"
                android:gravity="center_vertical"
                android:padding="10dp"
                android:paddingLeft="5dp"
                android:text=" Popular Cities"
                android:textColor="@color/orange"
                android:textSize="16dp"
                android:textStyle="bold" />

            <ListView
                android:id="@+id/lv_city"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_below="@+id/tv_populcar_city" />

            <TextView
                android:id="@+id/tv_states"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_below="@+id/lv_city"
                android:background="@color/white"
                android:gravity="center_vertical"
                android:padding="10dp"
                android:paddingLeft="5dp"
                android:text="States"
                android:textColor="@color/orange"
                android:textSize="16dp"
                android:textStyle="bold" />


            <ListView
                android:id="@+id/lv_state"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_below="@+id/tv_states" />
        </RelativeLayout>
    </ScrollView>


</RelativeLayout>

适配器

public class CityAdapter extends BaseAdapter {
    private Context mContext;
    private final ArrayList<City> city;
    Integer selected_position = -1;


    public CityAdapter(Context c, ArrayList<City> city) {
        mContext = c;
        this.city = city;
    }

    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        return city.size();
    }

    @Override
    public Object getItem(int position) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return 0;
    }

    public View getView(int position, View convertView, ViewGroup parent) {
        View v;
        if (convertView == null) {  // if it's not recycled, initialize some attributes
            LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            v = inflater.inflate(R.layout.raw_city, parent, false);
        } else {
            v = (View) convertView;
        }
        TextView tv_city = (TextView) v.findViewById(R.id.tv_city);
        tv_city.setText(city.get(position).getCity());

        return v;
    }
}

活性

lv_city.setOnItemClickListener( new AdapterView.OnItemClickListener() {
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        Pref.setValue( SelectCity.this, Const.PREF_CITY_ID, cityList.get( position ).getCity_id() );
        finish();//finishing activity
    }
} );

Answer 1

列表视图项目中的错误类点击

lv_city.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position,
                    long id) {
                Pref.setValue( SelectCity.this, Const.PREF_CITY_ID, 
                cityList.get( position ).getCity_id() );
                finish();//finishing activity
            }
        });

Answer 2

@quick learner 是正确的，但我对你的参考作了一些想法..

如果你使用自定义适配器类，在我的建议中使用自定义适配器类中的setOnClickListener这是更好的方法来做这种类型的情况!!

例如，

mViewHolder.MyUI.setOnClickListener

SetOnItemClickListener在android的自定义ListView中没有响应

2 个答案: