当我尝试使用此代码在我的应用中启用首选项时
import android.app.Activity;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.Preference.OnPreferenceClickListener;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.RadioButton;
import android.widget.Toast;
import android.widget.CompoundButton.OnCheckedChangeListener;
public class Preferences extends PreferenceActivity {
private RadioButton btn01;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.preferences);
btn01 = (RadioButton)findViewById(R.id.RadioButton01);
Preference customPref = (Preference) findPreference("customPref");
customPref.setOnPreferenceClickListener(new OnPreferenceClickListener(){
public boolean onPreferenceClick(Preference preference) {
Toast.makeText(getBaseContext(),"The Custom Preference Has Been Clicked",Toast.LENGTH_LONG).show();
SharedPreferences customSharedPreference = getSharedPreferences("myCutomSharedPrefs", Activity.MODE_PRIVATE);
SharedPreferences.Editor editor = customSharedPreference.edit();
editor.putString("myCustomPref","The preference has been clicked");
editor.commit();
return true;
}
public void CheckBox() {
final CheckBox ThisCheckBox = (CheckBox) findViewById (R.id.checkboxPref);
ThisCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton compoundButton,boolean test) {
if (ThisCheckBox.isChecked()){
btn01.setVisibility(0);
} else {
btn01.setVisibility(2);
}
}
});
};
});
}
}
此行产生错误
public void onCheckedChanged(CompoundButton compoundButton,boolean test) {
说:
Multiple markers at this line
- The method onCheckedChanged(CompoundButton, boolean) of type new
CompoundButton.OnCheckedChangeListener(){} must override a superclass method
- implements
android.widget.CompoundButton.OnCheckedChangeListener.onCheckedChanged
如果我删除 @Override 注释,则代码不起作用,并且警告告诉我该部分代码未在本地使用。
跑过某人并让他们感到困惑,我想知道您是否可以提供帮助?
是否有任何导致此错误的常见情况?
我想这可能是我的项目设置
谢谢