详解Dialog(二)——有关列表的构建

缺乏、安全感 2023-10-03 22:21 9阅读 0赞

import android.view.LayoutInflater;
    import android.view.View;
    import android.view.ViewGroup;
    import android.widget.BaseAdapter;
    import android.widget.LinearLayout;
    import android.widget.RadioButton;
    import android.widget.TextView;
    
    import com.blankj.utilcode.util.ActivityUtils;
    import com.hebccc.clustercom.R;
    import com.hebccc.clustercom.type.CallStatusEvent;
    
    import java.util.ArrayList;
    import java.util.List;
    
    public class TestAdap extends BaseAdapter {
    
        private List<CallStatusEvent> datas;
    
        public TestAdap() {
            datas = new ArrayList<>();
    //        this.datas = datas;
        }
    
        public void setDatas(List<CallStatusEvent> datas) {
            this.datas = datas;
        }
    
        @Override
        public int getCount() {
            return datas == null ? 0 : datas.size();
        }
    
        @Override
        public CallStatusEvent getItem(int position) {
            return datas.get(position);
        }
    
        @Override
        public long getItemId(int position) {
            return position;
        }
    
        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            MHolder mHolder;
            if (convertView == null) {
                convertView = LayoutInflater.from(ActivityUtils.getTopActivity()).inflate(R.layout.view_test_lv_item, null);
                mHolder = new MHolder(convertView);
                convertView.setTag(mHolder);
            } else {
                mHolder = (MHolder) convertView.getTag();
            }
            mHolder.item.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    checkItem(position);
                }
            });
            mHolder.rb.setChecked(datas.get(position).isCheck());
            mHolder.tv.setText(datas.get(position).getRemoteUdn());
    //        mHolder.cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
    //            @Override
    //            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
    //                if (isChecked) {
    //                    for (int i = 0; i < datas.size(); i++) {
    //                        datas.get(i).setCheck(i == position);
    //                    }
    //                }
    //            }
    //        });
            return convertView;
        }
    
        public void checkItem(int which) {
            if (datas != null) {
                for (int i = 0; i < datas.size(); i++) {
                    datas.get(i).setCheck(i == which);
                }
                notifyDataSetChanged();
            }
        }
    
        public CallStatusEvent getCheckedItem() {
            if (datas != null && datas.size() > 0) {
                for (int i = 0; i < datas.size(); i++) {
                    if (datas.get(i).isCheck()) {
                        return datas.get(i);
                    }
                }
                return datas.get(0);
            }
            return null;
        }
    
        public void removeItem(int which) {
            if (datas != null) {
                datas.remove(which);
                notifyDataSetChanged();
            }
        }
    
        private static class MHolder {
            RadioButton rb;
            TextView tv;
            private final LinearLayout item;
    
            public MHolder(View convertView) {
                item = convertView.findViewById(R.id.test_lv_item);
                rb = convertView.findViewById(R.id.test_lv_item_rb);
                tv = convertView.findViewById(R.id.test_lv_item_tv_name);
            }
        }
    }

view\_test\_lv\_item

<?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:id="@+id/test_lv_item"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_vertical"
        tools:context=".ui.acty.TestActivity">
    
        <RadioButton
            android:id="@+id/test_lv_item_rb"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="15dp"
            android:background="#00FFFFFF"
            android:buttonTint="#0090a8"
            android:clickable="false" />
    
        <TextView
            android:id="@+id/test_lv_item_tv_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="10dp"
            android:textColor="@color/black"
            android:textSize="25sp"
            tools:text="222222222222222222222" />
    </LinearLayout>

private void m2() {
           
            TestAdap testAdap = new TestAdap();
            List<CallStatusEvent> datas = new ArrayList<>();
            for (int i = 0; i < 5; i++) {
                CallStatusEvent callStatusEvent = new CallStatusEvent();
                callStatusEvent.setRemoteUdn("====" + i);
                callStatusEvent.setCheck(i == 0);
                datas.add(callStatusEvent);
            }
            testAdap.setDatas(datas);
            new AlertDialog.Builder(this).setAdapter(testAdap, null)
                    .setNegativeButton("是", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            MsgUtils.show("----=--=");
                        }
                    }).setPositiveButton("否", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    MsgUtils.show("32432432");
                }
            }).create().show();
        }

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[http_blog.csdn.net_harvic880925_article_details_42528663]: http://blog.csdn.net/harvic880925/article/details/42528663
[https_blog.csdn.net_harvic880925_article_details_42528663]: https://blog.csdn.net/harvic880925/article/details/42528663