RadioGroup实现单选框的多行排列

public class SelectMoneyActivity extends BaseActivity {


 String strBtnSelected = "";　//记录选择的是哪个选项

 private RadioGroup rg1, rg2, rg3, rg4;
 private RadioButton rb_1, rb_2, rb_3, rb_4, rb_5, rb_6, rb_7, rb_8, rb_9, rb_10;

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

  initView();

 }


 private void initView() {

  rg1 = (RadioGroup) findViewById(R.id.radio1);
  rg2 = (RadioGroup) findViewById(R.id.radio2);
  rg3 = (RadioGroup) findViewById(R.id.radio3);
  rg4 = (RadioGroup) findViewById(R.id.radio4);

  rb_1 = (RadioButton) findViewById(R.id.rb_1);
  rb_2 = (RadioButton) findViewById(R.id.rb_2);
  rb_3 = (RadioButton) findViewById(R.id.rb_3);
  rb_4 = (RadioButton) findViewById(R.id.rb_4);
  rb_5 = (RadioButton) findViewById(R.id.rb_5);
  rb_6 = (RadioButton) findViewById(R.id.rb_6);
  rb_7 = (RadioButton) findViewById(R.id.rb_7);
  rb_8 = (RadioButton) findViewById(R.id.rb_8);
  rb_9 = (RadioButton) findViewById(R.id.rb_9);
  rb_10 = (RadioButton) findViewById(R.id.rb_10);

  btn_back = (Button) findViewById(R.id.btn_back);
  btn_next = (Button) findViewById(R.id.btn_next);

//创建监听器，为每个RadioButton注册监听

  BtnSelected btnSelected1 = new BtnSelected("1");
  BtnSelected btnSelected2 = new BtnSelected("2");
  BtnSelected btnSelected3 = new BtnSelected("3");
  BtnSelected btnSelected4 = new BtnSelected("4");
  BtnSelected btnSelected5 = new BtnSelected("5");
  BtnSelected btnSelected6 = new BtnSelected("6");
  BtnSelected btnSelected7 = new BtnSelected("7");
  BtnSelected btnSelected8 = new BtnSelected("8");
  BtnSelected btnSelected9 = new BtnSelected("9");
  BtnSelected btnSelected10 = new BtnSelected("10");

  rb_1.setOnClickListener(btnSelected1);
  rb_2.setOnClickListener(btnSelected2);
  rb_3.setOnClickListener(btnSelected3);
  rb_4.setOnClickListener(btnSelected4);
  rb_5.setOnClickListener(btnSelected5);
  rb_6.setOnClickListener(btnSelected6);
  rb_7.setOnClickListener(btnSelected7);
  rb_8.setOnClickListener(btnSelected8);
  rb_9.setOnClickListener(btnSelected9);
  rb_10.setOnClickListener(btnSelected10);


//点击事件的监听器
 public class BtnSelected implements View.OnClickListener {

  private String btnId;

  public BtnSelected(String str) {
   btnId = str;
  }

  @Override
  public void onClick(View v) {
   strBtnSelected = btnId;　　//选择的某一项
   isSelect = true;
   //点击了第一行　，就把另外行的点击项清空
   if (btnId.equals("1") || btnId.equals("2") || btnId.equals("3")) {

    rg2.clearCheck();
    rg3.clearCheck();
    rg4.clearCheck();
   } else if (btnId.equals("4") || btnId.equals("5") || btnId.equals("6")) {
    rg1.clearCheck();
    rg3.clearCheck();
    rg4.clearCheck();
   } else if (btnId.equals("7") || btnId.equals("8") || btnId.equals("9")) {
    rg1.clearCheck();
    rg2.clearCheck();
    rg4.clearCheck();
   } else {
    rg1.clearCheck();
    rg2.clearCheck();
    rg3.clearCheck();
   }
  }
 }
}