复选框

布局

<?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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:orientation="vertical"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="helloworld.com.inspur.demo8.MainActivity">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/bt1"
        android:text="提交"/>
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/tv_show"/>
</LinearLayout>

逻辑

package helloworld.com.inspur.demo8;

import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.ScrollingTabContainerView;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    private Button bt1;
    String info="";
    private TextView tv_show;
    private String[] args={"java","C++","python"};
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        bt1= (Button)findViewById(R.id.bt1);
        tv_show=(TextView)findViewById(R.id.tv_show);
        bt1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                AlertDialog dia= new AlertDialog.Builder(MainActivity.this)
                        .setTitle("hahahha")
                        .setIcon(R.mipmap.ic_launcher)
                        .setItems(args, new DialogInterface.OnClickListener() {

                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                info=args[which];
                                AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
                                builder.setPositiveButton("确认", new DialogInterface.OnClickListener(){
                                    @Override
                                    public void onClick(DialogInterface dialog, int which) {
                                        tv_show.setText(info);
                                    }
                                });
                                builder.create().show();
                            }
                        })
                        .create();
                dia.show();
            }
        });
    }
}

布局

<?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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:orientation="vertical"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="helloworld.com.inspur.demo8.MainActivity">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/bt1"
        android:text="提交"/>]

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/bt2"
        android:text="提交"/>
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/tv_show"/>
</LinearLayout>

逻辑

package helloworld.com.inspur.demo8;

import android.content.DialogInterface;
import android.preference.MultiSelectListPreference;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.ScrollingTabContainerView;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {
    private Button bt1,bt2;
    String info="";
    private TextView tv_show;
    private String[] args={"java","C++","python"};
    private boolean[] isC={false,false,false};
    List<String> list;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        bt1= (Button)findViewById(R.id.bt1);
        bt2=(Button)findViewById(R.id.bt2);
        tv_show=(TextView)findViewById(R.id.tv_show);
        list=new ArrayList<String>();
        bt1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                AlertDialog dia= new AlertDialog.Builder(MainActivity.this)
                        .setTitle("hahahha")
                        .setIcon(R.mipmap.ic_launcher)
                        .setItems(args, new DialogInterface.OnClickListener() {

                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                info=args[which];
                                AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
                                builder.setPositiveButton("确认", new DialogInterface.OnClickListener(){
                                    @Override
                                    public void onClick(DialogInterface dialog, int which) {
                                        tv_show.setText(info);
                                    }
                                });
                                builder.create().show();
                            }
                        })
                        .create();
                dia.show();
            }
        });

        bt2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                AlertDialog dia= new AlertDialog.Builder(MainActivity.this)
                        .setTitle("复选框")
                        .setIcon(R.mipmap.ic_launcher)
                        .setMultiChoiceItems(args, isC, new DialogInterface.OnMultiChoiceClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                                if(isChecked){
                                    list.add(args[which]);
                                }
                                else{
                                    list.remove(args[which]);
                                }
                            }
                        })
                        .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                               tv_show.setText(list.toString());

                            }
                        })
                        .create();
                 dia.show();

            }
        });


    }
}