ich-android/app/src/main/java/com/emato/ich/fragment/MainFragment.java

package com.emato.ich.fragment;

import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.navigation.fragment.NavHostFragment;

import com.emato.ich.MainActivity;
import com.emato.ich.R;
import com.emato.ich.api.ICSPClient;
import com.emato.ich.api.SystemConfigConstant;
import com.emato.ich.databinding.FragmentMainBinding;
import com.emato.ich.utils.StringUtils;

import org.jetbrains.annotations.NotNull;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;

public class MainFragment extends Fragment {

    private static final String TAG = MainFragment.class.getName();
    private FragmentMainBinding binding;

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

        binding = FragmentMainBinding.inflate(inflater, container, false);
        return binding.getRoot();

    }

    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        MainActivity activity = (MainActivity) getActivity();
        String url = activity.getConfigMap().get(SystemConfigConstant.cabinet_take_object_qrcode_url);

        if (getActivity() != null && activity.getConfigMap().size() > 0 && !StringUtils.isNullOrEmpty(url)) {
            ICSPClient.getWeChatMPImage(url, new Callback() {
                @Override
                public void onFailure(@NotNull Call call, @NotNull IOException e) {
                    Log.e(TAG, "onFailure: 请求微信公众号图片错误! 网络异常! ", e);
                }

                @Override
                public void onResponse(@NotNull Call call, @NotNull Response response) throws IOException {
                    getActivity().runOnUiThread(() -> {
                        try {
                            InputStream is = response.body().byteStream();
                            final Drawable d = Drawable.createFromStream(is, "src");
                            binding.fastTakeSend.setBackground(d);
                            is.close();
                        } catch (Exception e) {
                            Log.e(TAG, "onResponse: 设置图片异常! ", e);
                        }
                    });
                }
            });
        }

        // 投递页面跳转
        binding.sendBtn.setOnClickListener(view12 -> NavHostFragment.findNavController(MainFragment.this)
                .navigate(R.id.action_mainFragment_to_sendFragment));
        // 取件页面跳转
        binding.takeBtn.setOnClickListener(view1 -> NavHostFragment.findNavController(MainFragment.this)
                .navigate(R.id.action_mainFragment_to_takeFragment));
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        binding = null;
    }

}