【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("\n");
         }
     }

     /**
      * 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;
             }
         }
     }
 }