android - 无法消除android中的错误

Question

对于所有我在 android 上工作的人，我想在简单的应用程序中同时使用 RadioGroup 和 CheckBox，我想使用 setOnCheckedChangeListener() 两者，但我遇到错误说导入冲突。我的代码是:

public class MainActivity extends Activity {

RadioGroup radioGroup;
CheckBox checkBox;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    radioGroup = (RadioGroup) findViewById(R.id.radioGroup1);
    checkBox = (CheckBox) findViewById(R.id.checkBox1);
    radioGroup.setOnCheckedChangeListener(new OnCheckedChangeListener() {

        @Override
        public void onCheckedChanged(RadioGroup group, int checkedId) {
            // TODO Auto-generated method stub
            int option = radioGroup.getCheckedRadioButtonId();
            if(option == R.id.radio0){
                Toast.makeText(MainActivity.this, "You Selected Java is Best", Toast.LENGTH_LONG).show();
            }
            else if(option == R.id.radio1){
                Toast.makeText(MainActivity.this, "You Selected C++ is Best", Toast.LENGTH_LONG).show();
            }
            else{
                Toast.makeText(MainActivity.this, "You Selected C# is Best", Toast.LENGTH_LONG).show();
            }
        }
    });

    checkBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {

        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            // TODO Auto-generated method stub
            if(isChecked){
                Toast.makeText(MainActivity.this, "You Selected Yes", Toast.LENGTH_LONG).show();
            }else{
                Toast.makeText(MainActivity.this, "You Un-selected Yes", Toast.LENGTH_LONG).show();
            }
        }
    });

}

编辑

我的导入是:

import android.app.Activity;

导入android.os.Bundle;

import android.view.Menu;

导入android.widget.CheckBox;

导入android.widget.CompoundButton;

import android.widget.CompoundButton.OnCheckedChangeListener;//这个和碰撞

导入android.widget.RadioGroup;

导入android.widget.Toast;

import android.widget.RadioGroup.OnCheckedChangeListener;//这个

现在我无法解决这个问题，请告诉我我该怎么做。提前致谢...

Answer 1

有两种不同的OnCheckedChangeListeners，让编译器知道你要使用哪个版本:

RadioGroup 使用 RadioGroup.OnCheckedChangeListener :

radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
//                                        ^^^^^^^^^^^

CheckBox 使用 CompoundButton.OnCheckedChangeListener :

checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
//                                      ^^^^^^^^^^^^^^^