Android中CheckBox复选框操作

 

public class MainActivity extends Activity {// 声明多选列表对象private CheckBox cbx1, cbx2, cbx3, cbx4;private List<CheckBox> checkBoxs = new ArrayList<CheckBox>();@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);cbx1 = (CheckBox) findViewById(R.id.checkBox1);cbx2 = (CheckBox) findViewById(R.id.checkBox2);cbx3 = (CheckBox) findViewById(R.id.checkBox3);cbx4 = (CheckBox) findViewById(R.id.checkBox4);// 默认选项cbx1.setChecked(true);cbx3.setChecked(true);cbx1.setOnCheckedChangeListener(listener);cbx2.setOnCheckedChangeListener(listener);cbx3.setOnCheckedChangeListener(listener);cbx4.setOnCheckedChangeListener(listener);// 添加到集合中checkBoxs.add(cbx1);checkBoxs.add(cbx2);checkBoxs.add(cbx3);checkBoxs.add(cbx4);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}public void getValues(View v) {String content = "";for (CheckBox cbx : checkBoxs) {if (cbx.isChecked()) {content += cbx.getText() + "\n";}}if ("".equals(content)) {content = "您还没有选择呢";}new AlertDialog.Builder(this).setMessage(content).setTitle("选中的内容如下").setPositiveButton("关闭", null).show();}CompoundButton.OnCheckedChangeListener listener = new CompoundButton.OnCheckedChangeListener() {@Overridepublic void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {CheckBox box = (CheckBox) buttonView;Toast.makeText(getApplicationContext(),"获取的值:" + isChecked + "xxxxx" + box.getText(),Toast.LENGTH_LONG).show();}};}