android无法解析方法setcontentview

问题描述

我今天在android studio中遇到了一个错误.我正在尝试在应用程序中创建一个关于我们的屏幕.布局xml文件已创建.任何帮助表示赞赏.谢谢.

I came across an error today in android studio. I am trying to create a about us screen in the app. The layout xml file has been created. Any help is appreciated. Thanks.

错误:无法解析方法setcontentview(int)

error: cannot resolve method setcontentview(int)

package example.com;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;

public class AboutFragment extends android.app.Fragment {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.about_screen);
}

}

推荐答案

您的类扩展了 Fragment ，并且您具有 setContentView(R.layout.about_screen); . setContentView 是Activity类的一种方法.

Your class extends Fragment and you have setContentView(R.layout.about_screen);. setContentView is a method of Activity class.

而不是在 Fragment

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.about_screeen, container, false);
    return rootView;
}

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