Android ListView长按弹出CheckBox，实现全选，反选，批量删除功能

来源：互联网发布：c语言if else if 编辑：程序博客网时间：2024/05/22 02:16

ListView长按弹出CheckBox，实现全选，反选，批量删除功能.

主布局：activity_main

<?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:id="@+id/main_activity"    tools:context="com.pinpaimap.listviewcheckbox.MainActivity">    <ListView        android:id="@+id/main_listview"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:layout_above="@+id/lay"/>    <LinearLayout        android:id="@+id/lay"        android:visibility="gone"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:background="#00f0f0"        android:layout_alignParentBottom="true"        android:weightSum="4"        android:orientation="horizontal">        <TextView            android:id="@+id/operate_back"            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1"            android:gravity="center"            android:text="返回"            android:textSize="22sp"            android:background="@drawable/selector"            android:paddingTop="5dp"            android:paddingBottom="5dp"/>        <TextView            android:id="@+id/operate_select"            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1"            android:gravity="center"            android:text="全选"            android:textSize="22sp"            android:background="@drawable/selector"            android:paddingTop="5dp"            android:paddingBottom="5dp"            />        <TextView            android:id="@+id/invert_select"            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1"            android:gravity="center"            android:text="反选"            android:textSize="22sp"            android:background="@drawable/selector"            android:paddingTop="5dp"            android:paddingBottom="5dp"/>        <TextView            android:id="@+id/operate_delete"            android:layout_width="0dp"            android:layout_height="wrap_content"            android:layout_weight="1"            android:gravity="center"            android:text="刪除"            android:textSize="22sp"            android:background="@drawable/selector"            android:paddingTop="5dp"            android:paddingBottom="5dp"/>    </LinearLayout></RelativeLayout>

item:

<?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"    android:descendantFocusability="blocksDescendants"    android:padding="5dp">    <TextView        android:id="@+id/listview_tv"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="ListView批量删除"        android:textSize="22sp"        android:layout_toLeftOf="@+id/listview_select_cb"        android:layout_alignParentLeft="true"        android:layout_alignParentStart="true" />    <CheckBox        android:id="@+id/listview_select_cb"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignBottom="@+id/listview_tv"        android:layout_alignParentRight="true"        android:layout_alignParentEnd="true"        android:layout_alignParentTop="true" /></RelativeLayout>

实体类：ItemBean

public class ItemBean {    private String msg;    private boolean isShow; // 是否显示CheckBox    private boolean isChecked; // 是否选中CheckBox    public String getMsg() {        return msg;    }    public void setMsg(String msg) {        this.msg = msg;    }    public boolean isShow() {        return isShow;    }    public void setShow(boolean isShow) {        this.isShow = isShow;    }    public boolean isChecked() {        return isChecked;    }    public void setChecked(boolean isChecked) {        this.isChecked = isChecked;    }    public ItemBean(String msg, boolean isShow, boolean isChecked) {        super();        this.msg = msg;        this.isShow = isShow;        this.isChecked = isChecked;    }}

自定义adapter：

public class Adapter extends BaseAdapter {    private LayoutInflater inflater;    private List<ItemBean> list;    private OnShowItemClickListener onShowItemClickListener;    public Adapter(List<ItemBean> list, Context context) {        this.list = list;        inflater = LayoutInflater.from(context);    }    @Override    public int getCount() {        return list.size();    }    @Override    public Object getItem(int position) {        return null;    }    @Override    public long getItemId(int position) {        return 0;    }    @Override    public View getView(int position, View convertView, ViewGroup parent) {        ViewHolder holder;        if (convertView == null) {            holder = new ViewHolder();            convertView = inflater.inflate(R.layout.item, null);            holder.msg = (TextView) convertView.findViewById(R.id.listview_tv);            holder.cb = (CheckBox) convertView.findViewById(R.id.listview_select_cb);            convertView.setTag(holder);        } else {            holder = (ViewHolder) convertView.getTag();        }        final ItemBean bean = list.get(position);        // 是否是多选状态        if (bean.isShow()) {            holder.cb.setVisibility(View.VISIBLE);        } else {            holder.cb.setVisibility(View.GONE);        }        holder.msg.setText(bean.getMsg());        holder.cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {            @Override            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {                if (isChecked) {                    bean.setChecked(true);                } else {                    bean.setChecked(false);                }                // 回调方法，将Item加入已选                onShowItemClickListener.onShowItemClick(bean);            }        });        // 必须放在监听后面        holder.cb.setChecked(bean.isChecked());        return convertView;    }    static class ViewHolder {        TextView msg;        CheckBox cb;    }    public interface OnShowItemClickListener {        public void onShowItemClick(ItemBean bean);    }    public void setOnShowItemClickListener(OnShowItemClickListener onShowItemClickListener) {        this.onShowItemClickListener = onShowItemClickListener;    }}

MainActivity：

public class MainActivity extends AppCompatActivity implements Adapter.OnShowItemClickListener {    private ListView listView;    private List<ItemBean> dataList;    private List<ItemBean> selectList;    private Adapter adapter;    private RelativeLayout rootView;    private LinearLayout opreateView;    private static boolean isShow; // 是否显示CheckBox标识    private LinearLayout lay;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        listView = (ListView) findViewById(R.id.main_listview);        lay= (LinearLayout) findViewById(R.id.lay);        dataList = new ArrayList<ItemBean>();        selectList = new ArrayList<ItemBean>();        for (int i = 0; i < 20; i++) {            dataList.add(new ItemBean("item " + i, false, false));        }        adapter = new Adapter(dataList, this);        listView.setAdapter(adapter);        adapter.setOnShowItemClickListener(this);        listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {            @Override            public boolean onItemLongClick(AdapterView<?> parent, View view,                                           int position, long id) {                if (isShow) {                    return false;                } else {                    isShow = true;                    for (ItemBean bean : dataList) {                        bean.setShow(true);                    }                    adapter.notifyDataSetChanged();                    showOpervate();                    listView.setLongClickable(false);                }                return true;            }        });        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {            @Override            public void onItemClick(AdapterView<?> parent, View view,                                    int position, long id) {                if (isShow) {                    ItemBean bean = dataList.get(position);                    boolean isChecked = bean.isChecked();                    if (isChecked) {                        bean.setChecked(false);                    } else {                        bean.setChecked(true);                    }                    adapter.notifyDataSetChanged();                } else {                    Toast.makeText(MainActivity.this, dataList.get(position).getMsg(), Toast.LENGTH_SHORT).show();                }            }        });    }    public void onShowItemClick(ItemBean bean) {        if (bean.isChecked() && !selectList.contains(bean)) {            selectList.add(bean);        } else if (!bean.isChecked() && selectList.contains(bean)) {            selectList.remove(bean);        }    }    /**     * 显示操作界面     */    private void showOpervate() {        lay.setVisibility(View.VISIBLE);        Animation anim = AnimationUtils.loadAnimation(this, R.anim.operate_in);        lay.setAnimation(anim);        // 返回、删除、全选和反选按钮初始化及点击监听        TextView tvBack =(TextView) findViewById(R.id.operate_back);        TextView tvDelete = (TextView) findViewById(R.id.operate_delete);        TextView tvSelect = (TextView) findViewById(R.id.operate_select);        TextView tvInvertSelect = (TextView) findViewById(R.id.invert_select);               tvBack.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                if (isShow) {                    selectList.clear();                    for (ItemBean bean : dataList) {                        bean.setChecked(false);                        bean.setShow(false);                    }                    adapter.notifyDataSetChanged();                    isShow = false;                    listView.setLongClickable(true);                    dismissOperate();                }            }        });        tvSelect.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                    for (ItemBean bean : dataList) {                        if (!bean.isChecked()) {                            bean.setChecked(true);                            if (!selectList.contains(bean)) {                                selectList.add(bean);                            }                        }                    }                    adapter.notifyDataSetChanged();            }        });        tvInvertSelect.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                for (ItemBean bean : dataList){                    if (!bean.isChecked()){                        bean.setChecked(true);                        if (!selectList.contains(bean)) {                            selectList.add(bean);                        }                    }else {                        bean.setChecked(false);                        if (!selectList.contains(bean)) {                            selectList.remove(bean);                        }                    }                }                adapter.notifyDataSetChanged();            }        });        tvDelete.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                if (selectList != null && selectList.size() > 0) {                    dataList.removeAll(selectList);                    adapter.notifyDataSetChanged();                    selectList.clear();                } else {                    Toast.makeText(MainActivity.this, "请选择条目", Toast.LENGTH_SHORT).show();                }            }        });    }    /**     * 隐藏操作界面     */    private void dismissOperate() {            Animation anim = AnimationUtils.loadAnimation(MainActivity.this, R.anim.operate_out);            lay.setVisibility(View.GONE);            lay.setAnimation(anim);    }    @Override    protected void onResume() {        super.onResume();    }    @Override    public void onBackPressed() {        if (isShow) {            selectList.clear();            for (ItemBean bean : dataList) {                bean.setChecked(false);                bean.setShow(false);            }            adapter.notifyDataSetChanged();            isShow = false;            listView.setLongClickable(true);            dismissOperate();        } else {            super.onBackPressed();        }    }}

两个动画：

<?xml version="1.0" encoding="utf-8"?><translate    xmlns:android="http://schemas.android.com/apk/res/android"    android:fromYDelta="100%"    android:toYDelta="0"    android:duration="500"></translate>

<?xml version="1.0" encoding="utf-8"?><translate    xmlns:android="http://schemas.android.com/apk/res/android"    android:fromYDelta="0"    android:toYDelta="100%"    android:duration="500"></translate>

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