为什么我得到“必须覆盖超类方法"?与@Override? [英] Why do I get "must override a superclass method" with @Override?
问题描述
以下代码在 public void onClick
行生成此错误消息.
The following code generates this error message at the public void onClick
line.
此行有多个标记
- 实现 android.view.View.OnClickListener.onClick
- new View.OnClickListener(){} 类型的 onClick(View) 方法必须覆盖超类方法
Multiple markers at this line
- implements android.view.View.OnClickListener.onClick
- The method onClick(View) of type new View.OnClickListener(){} must override a superclass method
我不明白为什么.这段代码取自我见过的许多例子.可能有什么问题?
I can't understand why. This code is taken from numerous examples I've seen. What can possibly be wrong?
private Button audioButton;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
audioButton = (Button) findViewById(R.id.imageButton1);
audioButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View button) {
if (button.isSelected()) {
button.setSelected(false);
}
else {
button.setSelected(true);
}
}
});
}
推荐答案
检查项目的属性并验证 Java Compiler ->编译器合规性级别设置为1.6(或更高版本).
Check the project's properties and verify that Java Compiler -> Compiler compliance level is set to 1.6 (or a later version).
它对我有用...我正在使用 eclipse 2021.... 和...
It worked for me... i am using eclipse 2021.... and ..
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