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Android Listview+;复选框_Android_Listview_Checkbox_Onclicklistener - Fatal编程技术网

Android Listview+;复选框

Android Listview+;复选框,android,listview,checkbox,onclicklistener,Android,Listview,Checkbox,Onclicklistener,我正在尝试使用复选框执行listview,但无法执行。 我不知道如何实现侦听器,该侦听器告诉我是否选择了ckeckbox 我在这里留下了我的代码,如果有人知道如何实现侦听器,并且可以帮助我 这是列表中每个项目的代码: public class TemaRescatado { protected String tema; protected long id; protected Boolean selected = false; public TemaR

我正在尝试使用复选框执行listview,但无法执行。 我不知道如何实现侦听器,该侦听器告诉我是否选择了ckeckbox

我在这里留下了我的代码,如果有人知道如何实现侦听器,并且可以帮助我

这是列表中每个项目的代码:

    public class TemaRescatado {

    protected String tema;
    protected long id;
    protected Boolean selected = false;

    public TemaRescatado(String tema2, long id) {
        super();
        this.tema = tema2;
        this.id = id;
    }

    public TemaRescatado(String tema2) {
        super();
        this.tema = tema2;
    }

    public String getTema() {
        return tema;
    }

    public void setTema(String tema1) {
        this.tema = tema1;
    }

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public boolean isSelected() {
          return selected;
    }
     public void setSelected(boolean selected) {
          this.selected = selected;
    }
}
以下是适配器的代码:

public class AdapterGenerales extends BaseAdapter {

protected Activity activity;
protected ArrayList<TemaRescatado> items;

public AdapterGenerales() {
    // TODO Auto-generated constructor stub
}

public AdapterGenerales(Activity activity, ArrayList<TemaRescatado> items) {
    this.activity = activity;
    this.items = items;
}


public int getCount() {
    return items.size();
}

public Object getItem(int arg0) {
    return items.get(arg0);
}


@Override
public View getView(int position, View convertView, ViewGroup parent) {
    // Generamos una convertView por motivos de eficiencia
    View v = convertView;

    //Asociamos el layout de la lista que hemos creado
    if(convertView == null){
        LayoutInflater inf = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        v = inf.inflate(R.layout.item_gen, null);
    }

    // Creamos un objeto directivo
    TemaRescatado temaResc = items.get(position);

    //Rellenamos el listview de temas
    TextView iden = (TextView) v.findViewById(R.id.textView1);
    iden.setText(temaResc.getTema());

    // Retornamos la vista
    return v;
}

@Override
public long getItemId(int position) {
    return items.get(position).getId();

}

}
公共类适配器通用扩展BaseAdapter{
受保护的活动;
受保护的ArrayList项;
公共适配器通用类(){
//TODO自动生成的构造函数存根
}
公共适配器通用(活动、阵列列表项){
这个。活动=活动;
这个项目=项目;
}
public int getCount(){
返回items.size();
}
公共对象getItem(int arg0){
返回项目。获取(arg0);
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
//缺乏效率的动力
视图v=转换视图;
//阿索西亚莫斯·埃勒布图(Asociamos el la lista que hemos creado)
if(convertView==null){
LayoutInflater inf=(LayoutInflater)activity.getSystemService(Context.LAYOUT\u INFLATER\u SERVICE);
v=inf.FLAME(R.layout.item_gen,空);
}
//直截了当的奶油
TemaRescatado temaResc=items.get(位置);
//雷勒纳莫斯埃利斯特马斯酒店
TextView iden=(TextView)v.findViewById(R.id.textView1);
iden.setText(temaResc.getTema());
//拉维斯塔酒店
返回v;
}
@凌驾
公共长getItemId(int位置){
return items.get(position.getId();
}
}
这是活动的代码:

public class SeleccionTest extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_seleccion_test);

    ListView lista = (ListView) findViewById(R.id.listView1);
    final ArrayList<TemaRescatado> arraydirGen = new ArrayList<TemaRescatado>();
    TemaRescatado temaRescGen;

    temaRescGen = new TemaRescatado("General1",1);
    arraydirGen.add(temaRescGen);
    temaRescGen = new TemaRescatado("General2",2);
    arraydirGen.add(temaRescGen);
    temaRescGen = new TemaRescatado("General3",3);
    arraydirGen.add(temaRescGen);
    temaRescGen = new TemaRescatado("General4",4);
    arraydirGen.add(temaRescGen);
    temaRescGen = new TemaRescatado("General5",5);
    arraydirGen.add(temaRescGen);
    temaRescGen = new TemaRescatado("General6",6);
    arraydirGen.add(temaRescGen);

    final AdapterGenerales adapter = new AdapterGenerales(this, arraydirGen);
    lista.setAdapter(adapter);


    lista.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
        @Override
        public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
            Log.i("Seleccionado - Listener", "pos: "+position +"  id:"+id);              
            return true;
        }
    });

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.seleccion_test, menu);
    return true;
}

}
public类selectiontest扩展活动{
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity\u seleccion\u test);
ListView lista=(ListView)findViewById(R.id.listView1);
最终ArrayList arraydirGen=新ArrayList();
TemaRescatado temaRescGen;
temaRescGen=新的TemaRescatado(“一般1”,1);
arraydirGen.add(temaRescGen);
temaRescGen=新的TemaRescatado(“一般2”,2);
arraydirGen.add(temaRescGen);
temaRescGen=新的TemaRescatado(“一般3”,3);
arraydirGen.add(temaRescGen);
temaRescGen=新的TemaRescatado(“一般4”,4);
arraydirGen.add(temaRescGen);
temaRescGen=新的TemaRescatado(“一般5”,5);
arraydirGen.add(temaRescGen);
temaRescGen=新的TemaRescatado(“一般6”,6);
arraydirGen.add(temaRescGen);
最终适配器通用适配器=新适配器通用适配器(此为arraydirGen);
setAdapter(适配器);
setOnItemLongClickListener(新的AdapterView.OnItemLongClickListener(){
@凌驾
公共布尔值长单击(AdapterView父项、视图、整型位置、长id){
Log.i(“selectionado-Listener”,“pos:+position+”id:+id”);
返回true;
}
});
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
//为菜单充气;这会将项目添加到操作栏(如果存在)。
getMenuInflater().充气(R.menu.SELECION\u测试,菜单);
返回true;
}
}
_gen.xml项:

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

<TextView
    android:id="@+id/textView1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignBaseline="@+id/checkBox1"
    android:layout_alignBottom="@+id/checkBox1"
    android:layout_toRightOf="@+id/checkBox1"
    android:text="@string/vacia" />

<CheckBox
    android:id="@+id/checkBox1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
    android:layout_alignParentTop="true"
    android:layout_marginLeft="50dp"
    android:text="@string/vacia" />

</RelativeLayout>

查看本教程,它解释了listView中的支架模式

还请记住,您需要在适配器的getView()方法中指定任何onClickListener或onCheckListener

getView(…)
中,您必须使用try to use

代码片段

viewHolder.checkbox = (CheckBox) view.findViewById(R.id.checkBox1);
     viewHolder.checkbox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {

            @Override
            public void onCheckedChanged(CompoundButton buttonView,
                boolean isChecked) {
              TemaRescatado element = (TemaRescatado) viewHolder.checkbox
                  .getTag();
              element.setSelected(buttonView.isChecked());

            }
          });

您在哪里声明了复选框?您可以发布item_gen.xml内容吗?为此,您应该使用ViewHolder模式。我没有声明复选框,因为我无法获取单击的项目。我将编辑问题以放置xml文件。请选中此链接…有一个很好的示例