/我想禁用和啓用按鈕時,它被檢查,而不是...但在OnCheckedChangedListener()顯示類'匿名類派生自OnCheckedChangedListener'必須聲明爲抽象或在'OnCheckedChangeLisner'中實現抽象方法'onCheckedChanged(CompoundButton,bolean)'/我想禁用和啓用按鈕時,它被檢查,而不是
package com.example.amby.mobihut;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;
import static android.R.attr.start;
public class SignInScreen extends AppCompatActivity {
AsyncResponse delegate;
Button btn;
CheckBox checkBox;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sign_in_screen);
//context = this;
//final Context context = this;
btn = (Button) findViewById(R.id.btn_signup);
btn.setEnabled(false);
checkBox = (CheckBox) findViewById(R.id.checkBox);
checkBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
public void OnCheckedChanged(CompoundButton buttonView, boolean isChecked)
{
if(isChecked)
{
btn.setEnabled(true);
}
else
{
btn.setEnabled(false);
}
}
}
);
}
//public void processFinish(String output){}
}
請回答...... –