Android studio CheckBox(复选框)
实现代码:
public class MainActivity extends AppCompatActivity implements View.OnClickListener,CompoundButton.OnCheckedChangeListener{
private CheckBox cb_one;
private CheckBox cb_two;
private CheckBox cb_three;
private Button btn_send;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
cb_one = (CheckBox) findViewById(R.id.cb_one);
cb_two = (CheckBox) findViewById(R.id.cb_two);
cb_three = (CheckBox) findViewById(R.id.cb_three);
btn_send = (Button) findViewById(R.id.btn_send);
cb_one.setOnCheckedChangeListener(this);
cb_two.setOnCheckedChangeListener(this);
cb_three.setOnCheckedChangeListener(this);
btn_send.setOnClickListener(this);
}
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
if(compoundButton.isChecked()) Toast.makeText(this,compoundButton.getText().toString(),Toast.LENGTH_SHORT).show();
}
@Override
public void onClick(View view) {
String choose = "";
if(cb_one.isChecked())choose += cb_one.getText().toString() + "";
if(cb_two.isChecked