Question

Android点击事件老报错怎么回事??

btnButton.setOnClickListener(new MyListener();这段代码老错是怎么回事？？
错误提示:
Multiple markers at this line
- Syntax error, insert ")" to complete
Expression
- MyListener cannot be resolved to a
type
- btnButton cannot be resolved

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Answer 1

MyListener 这个class定义放到类定义外，而且少括号

Answer 2

@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button btn = (Button) findViewById(R.id.button1);
btn.setOnClickListener(myListener);
}
public View.OnClickListener myListener =
new View.OnClickListener() {
@Override
public void onClick(View v) {
}
};

Answer 3

少个括号，后面加 )