Java Android ListView中的按钮点击处理

Java Android ListView中的按钮点击处理,java,android,listview,Java,Android,Listview,帮助处理通过适配器在ListView中设置的按钮上的单击。 ListAdapter adaptiruy=new simpledapter(this,pizzaNames,R.layout.adapter\u backet,from,to);setAdapter(自适应) 以下是适配器代码: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="m

帮助处理通过适配器在ListView中设置的按钮上的单击。
ListAdapter adaptiruy=new simpledapter(this,pizzaNames,R.layout.adapter\u backet,from,to);setAdapter(自适应)

以下是适配器代码:

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:background="@drawable/for_bucket_adapter"
    android:gravity="center"
    android:layout_marginTop="8sp">

    <TextView
        android:id="@+id/textok1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="22sp"
        android:textColor="@color/white"
        android:layout_gravity="center"
        android:gravity="center"/>

    <TextView
        android:id="@+id/textok2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@color/white"
        android:textSize="22sp"/>

    <ImageButton
        android:layout_gravity="center"
        android:layout_width="22sp"
        android:layout_height="22sp"
        android:layout_marginStart="5sp"
        android:background="@drawable/plusss"/>

    <Button
        android:id="@+id/minus"
        android:layout_gravity="center"
        android:layout_width="22sp"
        android:layout_height="5sp"
        android:layout_marginStart="5sp"
        android:background="@drawable/minuss"
        android:onClick="Click"/>

</LinearLayout>

和活动代码:

public class BasketPage extends Activity {
        List<Map<String, String>> pizzaNames = new ArrayList<>();

        public String name;
        public String phoneNumber;
        public String street;
        public String home;
        public String porch;
        public String level;
        public String apprt;
        public String comment;
        public boolean b;
        //private Button b = (Button)findViewById(R.id.minus);


        WorkBD workBD;
        MainActivity mainActivity;
        public ListView listView;

        public int [] PizzaMass = new int [5];
        int indexhelper = -1;



        public void creator() {
            System.out.println(MainActivity.pepperoni.getCount());
            if (MainActivity.pepperoni.getCount() != 0) {
                Map<String, String> map = new HashMap<>();
                map.put("text1", "Пепперони ");
                map.put("text2", MainActivity.pepperoni.getCount() + " шт.");
                pizzaNames.add(map);
                PizzaMass [0] = ++indexhelper;
            }
            if (MainActivity.calzone.getCount() != 0) {
                Map<String, String> map = new HashMap<>();
                map.put("text1", "Кальцоне ");
                map.put("text2", MainActivity.calzone.getCount() + " шт.");
                pizzaNames.add(map);
                PizzaMass [1] = ++indexhelper;
            }
            if (MainActivity.quattrostagioni.getCount() != 0) {
                Map<String, String> map = new HashMap<>();
                map.put("text1", "Четыре сезона ");
                map.put("text2", MainActivity.quattrostagioni.getCount() + " шт.");
                pizzaNames.add(map);
                PizzaMass [2] = ++indexhelper;
            }
            if (MainActivity.quattroformaggi.getCount() != 0) {
                Map<String, String> map = new HashMap<>();
                map.put("text1", "Четыре сыра ");
                map.put("text2", MainActivity.quattroformaggi.getCount() + " шт.");
                pizzaNames.add(map);
                PizzaMass [3] = ++indexhelper;
            }

            if (MainActivity.mexican.getCount() != 0) {
                Map<String, String> map = new HashMap<>();
                map.put("text1", "Мексиканская ");
                map.put("text2", MainActivity.mexican.getCount() + " шт.");
                pizzaNames.add(map);
                PizzaMass [4] = ++indexhelper;
            }
        }

        @Override

        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.bascket_page);
            mainActivity= new MainActivity();
            creator();
            listView = (ListView) findViewById(R.id.titles);
            String [] from = {"text1" , "text2"};
            String [] fromik = {"ftext1" , "ftext2"};
            int [] to = {R.id.textok1 , R.id.textok2};
            int [] too = {R.id.ftext1 , R.id.ftext2};
            ListAdapter adaptiruy = new SimpleAdapter(this, pizzaNames, R.layout.adapter_backet, from, to);
            listView.setAdapter(adaptiruy);
            workBD = new WorkBD(this);
            culculateFprice();

        }
...
}
public class BasketPage扩展活动{
List pizzaNames=new ArrayList();
公共字符串名称;
公共字符串电话号码;
公众街;;
公共字符串回家;
公共门廊;
公共字符串级别;
公共字符串处理;
公共字符串评论;
公共布尔b;
//私有按钮b=(按钮)findViewById(R.id.减号);
WorkBD WorkBD;
主要活动主要活动;
公共列表视图列表视图;
公共整数[]PizzaMass=新整数[5];
int indexhelper=-1;
公共无效创建者(){
System.out.println(MainActivity.pepperoni.getCount());
if(MainActivity.pepperoni.getCount()!=0){
Map Map=newhashmap();
地图放置(“文本1”、“ПццПццц”);
map.put(“text2”,MainActivity.pepperoni.getCount()+“цtt.”);
pizzaNames.add(地图);
PizzaMass[0]=++indexhelper;
}
if(MainActivity.calzone.getCount()!=0){
Map Map=newhashmap();
地图放置(“文本1”、“图片1”);
map.put(“text2”,MainActivity.calzone.getCount()+“цtt.”);
pizzaNames.add(地图);
PizzaMass[1]=++索引帮助;
}
if(MainActivity.quattrostagioni.getCount()!=0){
Map Map=newhashmap();
地图放置(“文本1”、“文本1”);
map.put(“text2”,MainActivity.quattrostagioni.getCount()+“цτ”);
pizzaNames.add(地图);
PizzaMass[2]=++indexhelper;
}
if(MainActivity.quattroformaggi.getCount()!=0){
Map Map=newhashmap();
地图放置(“文本1”、“文本1”);
map.put(“text2”,MainActivity.quattroformaggi.getCount()+“цτ”);
pizzaNames.add(地图);
PizzaMass[3]=++索引帮助;
}
if(MainActivity.mexican.getCount()!=0){
Map Map=newhashmap();
地图放置(“文本1”、“Маааааааа”);
map.put(“text2”,MainActivity.mexican.getCount()+“цtt.”);
pizzaNames.add(地图);
PizzaMass[4]=++indexhelper;
}
}
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.bascket_页面);
mainActivity=新的mainActivity();
创造者();
listView=(listView)findViewById(R.id.titles);
字符串[]from={“text1”,“text2”};
字符串[]fromik={“ftext1”,“ftext2”};
int[]to={R.id.textok1,R.id.textok2};
int[]too={R.id.ftext1,R.id.ftext2};
ListAdapter adaptiruy=新的SimpleAdapter(这个,pizzaNames,R.layout.adapter\u backet,from,to);
setAdapter(自适应);
workBD=新的workBD(本);
culleffrice();
}
...
}

我重新阅读了很多考虑过类似任务的网站,但无法在我的代码中找到并实现它,我希望你能帮助我。提前感谢。

如果要处理适配器项目内的单击事件,需要通过创建从SimpleAdapter或BaseAdapter扩展而来的自定义适配器,为按钮设置onClickListener:

public class CustomAdapter extends SimpleAdapter {

    public CustomAdapter(Context context, List<? extends Map<String, ?>> data, int resource, String[] from, int[] to) {
        super(context, data, resource, from, to);
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View inflatedLayout = super.getView(position, convertView, parent);
        Button btn = inflatedLayout.findViewById(R.id.btn);
        btn.setOnClickListener(v -> {
          //Do whatever you want
        });
        return inflatedLayout;
    }
}

使用ListView是个坏主意。这是一个过时的组件。我建议看一个回收视图-。下面是一个如何使用clickListener的示例-
ListAdapter adapter = new CustomAdapter(context, data, R.layout.adapter_layout, from, to);
listView.setAdapter(adapter);