【风马一族_Android】多选按钮的监控事件

import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.sowsceo.rnadomsows.randomsows.R;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;

public class NumberActivity extends Activity {

    private CheckBox checkBoxNumber, checkBoxEnglish, checkBoxCharacter;
    
    /**
     * 有限的，让用户输入产生随机数的长度
     */
    private Button bt_definite;
    private EditText et_lengthVariable;

    /**
     * 长度不定，产生随机数
     */
    private Produce produce;
    private MultipleSelectionButtons multipleChecked;
    private Random random;

    /**
     * 传递数字的长度
     */
    private int numberLength;

    /**
     * 000: 从左到右算，第一个是数字、第二个是字母，第三个是特殊字符
     * <p>
     * 0：表示没有选中
     * 1：表示选中
     * <p>
     * 例如：101：在产生随机数据中，数据由数字和特殊字符组成，
     * 但是数字或特殊字符的数量不小于1个，不达到总长度
     * <p>
     * 001：在产生随机数据中，数据全部由字母组成
     * <p>
     * 总长度：如果要产生9个长度的随机数据，总长度就是9个。
     */
    private int[] identifier = {0, 0, 0};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_number);

        random = new Random();

        //组件的初始化
        init();

        //给组件提供监控事件
        monitor();
    }

    private void monitor() {
        checkBoxNumber.setOnCheckedChangeListener(multipleChecked);
        checkBoxEnglish.setOnCheckedChangeListener(multipleChecked);
        checkBoxCharacter.setOnCheckedChangeListener(multipleChecked);

    }

    /**
     * 初始化组件、方法、变量
     */
    private void init() {
        checkBoxNumber = (CheckBox) findViewById(R.id.checkBoxNumber);
        checkBoxEnglish = (CheckBox) findViewById(R.id.checkBoxEnglish);
        checkBoxCharacter = (CheckBox) findViewById(R.id.checkBoxCharacter);
        et_lengthVariable = (EditText) findViewById(R.id.et_lengthVariable);
        checkBox_capital = (CheckBox) findViewById(R.id.checkBox_capital);
        checkBox_lowercase = (CheckBox) findViewById(R.id.checkBox_lowercase);

        tv_Display = (TextView) findViewById(R.id.tv_Number);

        produce = new Produce();
        multipleChecked = new MultipleSelectionButtons();
    }

    public class Produce implements View.OnClickListener {

        int number;

        String strNumber;

        StringBuffer sb = new StringBuffer();

        @Override
        public void onClick(View view) {
            switch (view.getId()) {
                case R.id.bt_Number6:
                    numberLength = 6;
                    break;
                case R.id.bt_Number9:
                    numberLength = 9;
                    break;
                case R.id.bt_Number12:
                    numberLength = 12;
                    break;
                case R.id.bt_Number15:
                    numberLength = 15;
                    break;
                case R.id.bt_definite:
                    String strLength = et_lengthVariable.getText().toString().trim();

                    if (TextUtils.isEmpty(strLength)) {
                        Toast.makeText(NumberActivity.this, "输入值不能为空", Toast.LENGTH_SHORT).show();
                    } else {
                        numberLength = Integer.parseInt(strLength);
                        if (numberLength < 1 || numberLength > 50) {
                            Toast.makeText(NumberActivity.this, "数字的长度只能是从1到50", Toast.LENGTH_SHORT).show();
                            numberLength = 0;
                        }
                    }
                    break;
            }

            String str = String.valueOf(identifier[0] * 100 + identifier[1] * 10 + identifier[2]);

            /**
             * 由于手机的性能原因，需要限制一次产生的随机数据的大小
             */
            for (int i = 0; i < numberLength; i++) {
                switch (str) {
                    case "100":
                        strNumber = String.valueOf(random.nextInt(10));
                        break;
                    case "110":

                        break;
                    case "101":
                        break;
                    case "111":
                        break;
                    case "010":
                        byte b=65;
                        String s=String.valueOf((char) b);
                        System.out.println(s);
                        break;
                    case "011":
                        break;
                    case "001":
                        break;
                    case "000":
                        Toast.makeText(NumberActivity.this, "请最少选择一个", Toast.LENGTH_SHORT).show();
                        break;
                }
                sb.append(strNumber);
            }

            tv_Display.setText(sb.append(strNumber));
            sb = new StringBuffer("
");
        }
    }

    /**
     * identifier[]:数组有三个数，第一位表示 数字，第二位表示 字母，第三位 特殊字符
     *
     * 多选按钮的监听事件
     * CompoundButton compoundButton 判断是哪个多选按钮
     * boolean isChecked 多选按钮的
     */
    public class MultipleSelectionButtons implements CompoundButton.OnCheckedChangeListener {
        @Override
        public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {
            switch (compoundButton.getId()) {
                case R.id.checkBoxNumber:
                    if (isChecked)
                        identifier[0] = 1;
                    else
                        identifier[0] = 0;
                    break;
                case R.id.checkBoxEnglish:
                    if (isChecked)
                        identifier[1] = 1;
                    else
                        identifier[1] = 0;
                    break;
                case R.id.checkBoxCharacter:
                    if (isChecked)
                        identifier[2] = 1;
                    else
                        identifier[2] = 0;
                    break;
            }
        }
    }
}