[Android开发学习26]界面控件之选项组件(RadioGroup和CheckBox)

一、基础知识:

单项选择组件 : RadioGroup 互相排斥

多项选择组件 : CheckBox 彼此独立

二、代码展示:

1."Activity_08\src\yan\activity_08\MainActivity.java"

[java]
package yan.activity_08;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.CheckBox;
import android.widget.CompoundButton;
//import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Toast;

public class MainActivity extends Activity {
    private RadioGroup sixRadioGroup;
    private RadioButton femaleRadioButton;
    private RadioButton maleRadioButton;
    private CheckBox swimCheckBox;
    private CheckBox runCheckBox;
    private CheckBox readCheckBox;

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

        sixRadioGroup = (RadioGroup)findViewById(R.id.myRadioGroup);
        femaleRadioButton = (RadioButton)findViewById(R.id.myRadioButton1);
        maleRadioButton = (RadioButton)findViewById(R.id.myRadioButton2);
        swimCheckBox = (CheckBox)findViewById(R.id.swim);
        runCheckBox = (CheckBox)findViewById(R.id.run);
        readCheckBox = (CheckBox)findViewById(R.id.read);


        class RadioGroupCheckBoxListener implements RadioGroup.OnCheckedChangeListener{

            @Override
            public void onCheckedChanged(RadioGroup group, int checkedId) {
                // TODO Auto-generated method stub
                if(checkedId == femaleRadioButton.getId())
                {
                    Toast.makeText(MainActivity.this, R.string.female_y_note, Toast.LENGTH_SHORT).show();
                }else if(checkedId == maleRadioButton.getId())
                {
                    Toast.makeText(MainActivity.this, R.string.male_y_note, Toast.LENGTH_SHORT).show();
                }
            }



        }
        class SwimCheckBoxListener implements OnCheckedChangeListener{

            @Override
            public void onCheckedChanged(CompoundButton buttonView,
                    boolean isChecked) {
                // TODO Auto-generated method stub
                if(isChecked)
                {
                    Toast.makeText(MainActivity.this, R.string.swim_y_note, Toast.LENGTH_SHORT).show();
                }else{
                    Toast.makeText(MainActivity.this, R.string.swim_n_note, Toast.LENGTH_SHORT).show();
                }
            }
        }

        class RunCheckBoxListener implements OnCheckedChangeListener{

            @Override
            public void onCheckedChanged(CompoundButton buttonView,
                    boolean isChecked) {
                // TODO Auto-generated method stub
                if(isChecked)
                {
                    Toast.makeText(MainActivity.this, R.string.run_y_note, Toast.LENGTH_SHORT).show();
                }else{
                    Toast.makeText(MainActivity.this, R.string.run_n_note, Toast.LENGTH_SHORT).show();
                }
            }
        }

        class ReadCheckBoxListener implements OnCheckedChangeListener{

   &n

补充：移动开发 , Android ,