案列错误，程序停止运行

复选框选一个其他两个都会为true,点击寻找菜品程序会停止运行

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package com.example.food;
 
import java.util.ArrayList;
import java.util.List;
 
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.Toast;
import android.widget.ToggleButton;
 
public class MainActivity extends Activity {
    private EditText name;
    private RadioGroup sex;
    private CheckBox hot, fish, sour;
    private SeekBar seekBar;
    private Button find;
    private ToggleButton toggleButton;
    private List<Food> lists_food;
    private List<Food> lists_get;
    private Person person;
    private RadioGroupListener radioGroupListener;
    private boolean isHot, isFish, isSour;
    private CheckBoxListener checkBoxListener;
    private int price = 30;
    private SeekBarListener seekBarListener;
    private ButtonListener buttonListener;
    private ImageView iv_pic;
    private int count = 0;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_food);
        intiView();
        intiDate();
        setListener();
    }
 
    private void setListener() {
         
        seekBarListener = new SeekBarListener();
        checkBoxListener = new CheckBoxListener();
        radioGroupListener = new RadioGroupListener();
        buttonListener = new ButtonListener();
        sex.setOnCheckedChangeListener(radioGroupListener);
        fish.setOnCheckedChangeListener(checkBoxListener);
        hot.setOnCheckedChangeListener(checkBoxListener);
        sour.setOnCheckedChangeListener(checkBoxListener);
        seekBar.setOnSeekBarChangeListener(seekBarListener);
        find.setOnClickListener(buttonListener);
        toggleButton.setOnCheckedChangeListener(checkBoxListener);
    }
 
    private void intiDate() {
        person = new Person();
        lists_food = new ArrayList<Food>();
        lists_get = new ArrayList<Food>();
        lists_food.add(new Food("麻辣香锅", 55, R.drawable.malaxiangguo, true,
                false, false));
 
        lists_food.add(new Food("水煮鱼", 48, R.drawable.shuizhuyu, true, true,
                false));
        lists_food.add(new Food("麻辣火锅", 80, R.drawable.malahuoguo, true, true,
                false));
 
        lists_food.add(new Food("清蒸鲈鱼", 68, R.drawable.qingzhengluyu, false,
                true, false));
 
        lists_food.add(new Food("桂林米粉", 15, R.drawable.guilin, false, false,
                false));
        lists_food.add(new Food("上汤娃娃菜", 28, R.drawable.wawacai, false, false,
                false));
        lists_food.add(new Food("红烧肉", 60, R.drawable.hongshaorou, false,
                false, false));
        lists_food.add(new Food("木须肉", 40, R.drawable.muxurou, false, false,
                false));
        lists_food.add(new Food("酸菜牛肉面", 35, R.drawable.suncainiuroumian,
                false, false, true));
        lists_food.add(new Food("西芹炒百合", 38, R.drawable.xiqin, false, false,
                false));
 
        lists_food.add(new Food("酸辣汤", 40, R.drawable.suanlatang, true, false,
                true));
 
    }
 
    private void intiView() {
        name = (EditText) findViewById(R.id.et_name);
        sex = (RadioGroup) findViewById(R.id.rg_sex);
        hot = (CheckBox) findViewById(R.id.cb_hot);
        fish = (CheckBox) findViewById(R.id.cb_fish);
        sour = (CheckBox) findViewById(R.id.cb_sour);
        seekBar = (SeekBar) findViewById(R.id.seekBar);
        seekBar.setProgress(30);
        find = (Button) findViewById(R.id.btn_find);
        toggleButton = (ToggleButton) findViewById(R.id.toggleButton);
    }
 
    class RadioGroupListener implements OnCheckedChangeListener {
 
        @Override
        public void onCheckedChanged(RadioGroup arg0, int arg1) {
            // 当用户选择该RadioGroup中的Button被触发
            switch (arg1) {
            case R.id.rb_man:
                person.setSex("男");
                break;
            case R.id.rb_woman:
                person.setSex("女");
                break;
            }
 
        }
 
    }
 
    class CheckBoxListener implements
            android.widget.CompoundButton.OnCheckedChangeListener {
 
        @Override
        public void onCheckedChanged(CompoundButton arg0, boolean arg1) {
            // 复选框被点击时调用
            CheckBox cbBox = (CheckBox) arg0;
            switch (cbBox.getId()) {
            case R.id.cb_fish:
                if (arg1) {
                    isFish = true;
                } else {
                    isFish = false;
                }
            case R.id.cb_hot:
                if (arg1) {
                    isHot = true;
                } else {
                    isHot = false;
                }
            case R.id.cb_sour:
                if (arg1) {
                    isSour = true;
                } else {
                    isSour = false;
                }
 
            }
             System.out.println("当前爱好："+"辣"+isHot+"海鲜"+isFish+"酸"+isSour);
        }
    }
 
    class ButtonListener implements OnClickListener {
 
        @Override
        public void onClick(View arg0) {
            switch (arg0.getId()) {
            case R.id.btn_find:
                // 当用户点击寻找时，将数据进行筛查，将内容显示在ImageView里
                lists_get.clear();
                checkDete();
                if (lists_get.size() >= 1) {
                    showPic(count);
                } else {
                    Toast.makeText(MainActivity.this, "没有搜索到内容",
                            Toast.LENGTH_SHORT).show();
                }
                break;
            case R.id.toggleButton:
                if (toggleButton.isChecked()) {
                    if (lists_get.size() > 1) {
                        count++;
                        showPic(count);
                        System.out.println(count);
                    }
                    if (count == (lists_get.size() - 1)) {
                        count = 0;
                        Toast.makeText(MainActivity.this, "图片显示完了，重新显示", 100)
                                .show();
                    } else {
                        Toast.makeText(MainActivity.this, "没有下一个", 100).show();
                    }
 
                } else {
                    if (lists_get.size() > 0) {
                        person.setName(name.getText().toString());
                        person.setFood(lists_get.get(count));
                        Toast.makeText(MainActivity.this, person.toString(),
                                1000).show();
                    } else {
                        Toast.makeText(MainActivity.this, "没有此类菜品信息", 100)
                                .show();
                    }
                }
                break;
            }
 
        }
 
        private void checkDete() {
            for (int i = 0; i < lists_food.size(); i++) {
                Food food = lists_food.get(i);
                if ((food.getPrice() <= price) && (food.isFish() == isFish)
                        && (food.isHot() == isHot) && (food.isSour() == isSour)) {
                    lists_get.add(food);
                }
            }
 
        }
 
        private void showPic(int count) {
            iv_pic.setImageResource(lists_get.get(count).getPic());
 
        }
 
    }
 
    class SeekBarListener implements OnSeekBarChangeListener {
 
        @Override
        public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) {
 
        }
 
        @Override
        public void onStartTrackingTouch(SeekBar arg0) {
            // TODO Auto-generated method stub
 
        }
 
        @Override
        public void onStopTrackingTouch(SeekBar arg0) {
            price = arg0.getProgress();
            Toast.makeText(MainActivity.this, "价格" + price, Toast.LENGTH_SHORT)
                    .show();
 
        }
 
    }
 
}