app/src/main/java/com/jopek/lectordecodi/ui/reader/ReaderFragment.java


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package com.jopek.lectordecodi.ui.reader;

import static com.jopek.lectordecodi.SharedPreferencesManager.getColor;

import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;

import androidx.activity.result.ActivityResultLauncher;
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProvider;

import com.jopek.lectordecodi.R;
import com.jopek.lectordecodi.databinding.FragmentReaderBinding;
import com.journeyapps.barcodescanner.ScanContract;
import com.journeyapps.barcodescanner.ScanOptions;

public class ReaderFragment extends Fragment {

    private final String TAG = "maks";
    private FragmentReaderBinding binding;
    private TextView tvRead;
    private Button bStartRead;
    private Button bCopyCode;
    private String readCode = "";

    // Register the launcher and result handler
    private final ActivityResultLauncher<ScanOptions> barcodeLauncher = registerForActivityResult(new ScanContract(),
            result -> {
                if (result.getContents() == null) {
                    tvRead.setText("Reading code failed");
                } else {
                    readCode = result.getContents();
                    tvRead.setText("Readed: " + readCode);
                }
            });

    public View onCreateView(@NonNull LayoutInflater inflater,
                             ViewGroup container, Bundle savedInstanceState) {
        ReaderViewModel readerViewModel =
                new ViewModelProvider(this).get(ReaderViewModel.class);

        binding = FragmentReaderBinding.inflate(inflater, container, false);
        View root = binding.getRoot();

        tvRead = root.findViewById(R.id.read_from_code);
        bStartRead = root.findViewById(R.id.start_read);
        bCopyCode = root.findViewById(R.id.copy_read_from_code);

        binding.startRead.setBackgroundColor(getResources().getColor(getColor(getActivity())));
        binding.copyReadFromCode.setBackgroundColor(getResources().getColor(getColor(getActivity())));

        bStartRead.setOnClickListener(view -> {
            ScanOptions options = new ScanOptions();
            options.setDesiredBarcodeFormats(ScanOptions.ALL_CODE_TYPES);
            options.setPrompt("Scan a QbaRCode");
            options.setCameraId(0);  // Use a specific camera of the device
            options.setBeepEnabled(false);
            options.setBarcodeImageEnabled(true);
            options.setOrientationLocked(false);
            barcodeLauncher.launch(options);
        });
        bCopyCode.setOnClickListener(view -> {
            ClipboardManager clipboard = (ClipboardManager) getActivity().getSystemService(Context.CLIPBOARD_SERVICE);
            ClipData clip = ClipData.newPlainText("label", readCode);
            clipboard.setPrimaryClip(clip);
        });
        return root;
    }

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