AndroidCheckBox的使用案例分析

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

  cb1 = (CheckBox) findViewById(R.id.checkbox1);
  cb2 = (CheckBox) findViewById(R.id.checkbox2);
  tv = (TextView) findViewById(R.id.textview1);

  cb1.setOnCheckedChangeListener(cb);
  cb2.setOnCheckedChangeListener(cb);
 }

 private CheckBox.OnCheckedChangeListener cb = new CheckBox.OnCheckedChangeListener() {
  @Override
  public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
   String stv = getString(R.string.hoby);
   String scb1 = getString(R.string.basketball);
   String scb2 = getString(R.string.football);
   if (cb1.isChecked() && cb2.isChecked()) {
    tv.setText(stv + ":" + scb1 + "&&" + scb2);
   } else if (cb1.isChecked() && !cb2.isChecked()) {
    tv.setText(stv + ":" + scb1);
   } else if (!cb1.isChecked() && cb2.isChecked()) {
    tv.setText(stv + ":" + scb2);
   } else {
    tv.setText(stv);
   }
  }
 };