简体   繁体   English

错误:方法未覆盖或从超类型OnCreateOptionsMenu实现方法

[英]error: method does not override or implement a method from a supertype OnCreateOptionsMenu

@Override
public boolean OnCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.menu, menu);
    return true;
}

@Override
public boolean OnOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()){

        case R.id.logout:
            FirebaseAuth.getInstance().signOut();
            startActivity(new Intent(MainActivity.this, StartActivity.class));
            finish();
            return true;
    }

I have a error message when i build on AndroidStudio : error: method does not override or implement a method from a supertype I need help 我在AndroidStudio上构建时出现错误消息:错误:方法未覆盖或从超类型实现方法我需要帮助

Those methods have a lower case 'o' 这些方法的小写字母“ o”

@Override 
public boolean onCreateOptionsMenu(Menu menu) { 
getMenuInflater().inflate(R.menu.menu, menu); return true; } 


@Override 
public boolean onOptionsItemSelected(MenuItem item) {
 switch (item.getItemId()){ 
case R.id.logout:
 FirebaseAuth.getInstance().signOut();
 startActivity(new Intent(MainActivity.this, StartActivity.class)); finish(); return true; }

声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.

相关问题 方法不会从父类型@override覆盖或实现方法编译错误 - method does not override or implement a method from a supertype @override compile error 错误:(124,9)错误:方法未覆盖或从超类型实现方法 - Error:(124, 9) error: method does not override or implement a method from a supertype 方法不会覆盖或实现超类型的方法 - method does not override or implement a method from a supertype 错误:方法未覆盖或从超类型实现方法 - error: method does not override or implement a method from a supertype 方法不会从超类型错误中覆盖或实现方法 - method does not override or implement a method from a supertype error 方法不会覆盖或实现超类型的方法 - method does not override or implement a method from a supertype React Native - 错误:方法不会覆盖或实现超类型的方法 - React Native - error: method does not override or implement a method from a supertype Java错误:方法未从超类型重写或实现方法 - java error: method does not override or implement a method from a supertype 错误:方法onEnable不会覆盖或实现超类型的方法 - Error: method onEnable does not override or implement a method from a supertype Java“方法没有覆盖或实现来自超类型的方法”错误 - Java "method does not override or implement a method from a supertype" error
 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM