Android开发之获取单选与复选框的值操作示例

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>

  
    
    
    
      
      
      
    
  
  
    
    
    
      
      
      
      
    
  
  
  
  

public class Home extends AppCompatActivity {
  RadioGroup radioGroup01 ;
  TextView textView01 ;
  TextView textView02 ;
  Button button01 ;
  CheckBox checkBox01 ;
  CheckBox checkBox02 ;
  CheckBox checkBox03 ;
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);//显示manLayout
    //连接组建
    radioGroup01 = (RadioGroup) findViewById(R.id.rg);
    textView01 = (TextView) findViewById(R.id.show_sex);
    textView02 = (TextView) findViewById(R.id.show_color);
    checkBox01 = (CheckBox) findViewById(R.id.color_red);
    checkBox02 = (CheckBox) findViewById(R.id.color_blue);
    checkBox03 = (CheckBox) findViewById(R.id.color_green);
    button01 = (Button) findViewById(R.id.show);
    //添加监听事件
    radioGroup01.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
      @Override
      public void onCheckedChanged(RadioGroup group, int checkedId) {
        //根据用户勾选信息改变tip字符串的值
        String tip = checkedId == R.id.male &＃63;
        "您的性别为男" : "您的性别为n女" ;
        //修改show组件文本
        textView01.setText(tip);
      }
    });
    //输出按钮监听事件
    button01.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        textView02.setText("喜欢的颜色: \n");
        //筛选复选框信息
        StringBuffer stringBuffer01 = new StringBuffer();
        stringBuffer01.append(textView02.getText().toString());
        if (checkBox01.isChecked()) {
          stringBuffer01.append("红色\n");
        }
        if (checkBox02.isChecked()) {
          stringBuffer01.append("蓝色\n");
        }
        if (checkBox03.isChecked()) {
          stringBuffer01.append("绿色");
        }
        textView02.setText(stringBuffer01.toString());
      }
    });
  }
}