Android超详细讲解弹出多选框的实现

dialog//Alter.Builder的参数.setMultiChoiceItems//多选列表(items, null, new DialogInterface.OnMultiChoiceClickListener() {

     @Override
     public void onClick(DialogInterface dialog, int which,//点击的哪一个item boolean isChecked//判断是否选中) {

     }
 }).create();

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity"
    android:orientation="vertical"
    android:background="#FFFFF123"
    >
 
    <Button
        android:layout_marginTop="80dp"
        android:id="@+id/btn1"
        android:layout_width="match_parent"
        android:layout_height="100dp"
        android:textSize="30sp"
        android:textColor="@color/colorAccent"
        android:text="点击选择你喜欢的王者荣耀英雄"
 
        />
 
</LinearLayout>

package com.example.dialogapplication;
 
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
 
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
 
public class MainActivity extends AppCompatActivity {
Button btn1;
String items[]={ "橘右京", "凯", "夏洛特" ,"云中君","马超"};
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        btn1=findViewById(R.id.btn1);
        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                AlertDialog.Builder dialog = new AlertDialog.Builder(MainActivity.this);
                        dialog.setTitle("选择你喜欢的王者荣耀英雄");
                            dialog .setIcon(R.mipmap.ic_launcher);
                dialog.setPositiveButton("取消", null);
                                dialog.setPositiveButton("确定", null);
                       dialog.setMultiChoiceItems(items, null, new DialogInterface.OnMultiChoiceClickListener() {
 
                            @Override
                            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
 
                            }
                        }).create();
                dialog.show();
            }
        });
 
    }
}