pocketcommunityclient/app/src/main/java/com/community/pocket/ui/main/TestMainFragment.java

package com.community.pocket.ui.main;

import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.lifecycle.MutableLiveData;
import androidx.lifecycle.Observer;

import com.community.pocket.ui.BaseFragment;

import org.jetbrains.annotations.NotNull;

/**
 * 主界面框架
 */
//TODO 测试类
public abstract class TestMainFragment extends BaseFragment {

    @NotNull
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {

        //文本框打印测试信息
        View root = super.onCreateView(inflater, container, savedInstanceState);
        final TextView textView = root.findViewById(viewId());
        MutableLiveData<String> mText = new MutableLiveData<>();
        mText.setValue("未完成界面！！！");
        mText.observe(getViewLifecycleOwner(), new Observer<String>() {
            @Override
            public void onChanged(@Nullable String s) {
                textView.setText(s);
            }
        });

        return root;
    }

    protected abstract int viewId();
}