Android学习之CheckBox控件

public class MainActivity extends ActionBarActivity implements

OnCheckedChangeListener {

// 实例控件

private TextView textView;

private CheckBox checkBox1;

private CheckBox checkBox2;

private CheckBox checkBox3;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

// 初始化控件

textView = (TextView) findViewById(R.id.textView2);

checkBox1 = (CheckBox) findViewById(R.id.checkBox1);

checkBox2 = (CheckBox) findViewById(R.id.checkBox2);

checkBox3 = (CheckBox) findViewById(R.id.checkBox3);

// 复选框添加oncheckedChangeListen监听

checkBox1.setOnCheckedChangeListener(this);

checkBox2.setOnCheckedChangeListener(this);

checkBox3.setOnCheckedChangeListener(this);

}

@Override

public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

switch (buttonView.getId()) {

case R.id.checkBox1:

if (isChecked) {

textView.setText(textView.getText()

+ checkBox1.getText().toString());

}

break;

case R.id.checkBox2:

if (isChecked) {

textView.setText(textView.getText()

+ checkBox2.getText().toString());

}

break;

case R.id.checkBox3:

if (isChecked) {

textView.setText(textView.getText()

+ checkBox3.getText().toString());

}

break;

default:

break;

}

}

}