安卓条形码二维码扫描软件加价格

ResultActivity.java

package com.secuso.privacyfriendlycodescanner.qrscanner.ui.activities;

import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.DrawableRes;
import androidx.annotation.NonNull;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.content.res.AppCompatResources;
import androidx.fragment.app.FragmentTransaction;
import androidx.lifecycle.ViewModelProvider;

import com.bumptech.glide.Glide;
import com.google.zxing.client.result.ParsedResult;
import com.journeyapps.barcodescanner.BarcodeResult;
import com.secuso.privacyfriendlycodescanner.qrscanner.R;
import com.secuso.privacyfriendlycodescanner.qrscanner.database.HistoryItem;
import com.secuso.privacyfriendlycodescanner.qrscanner.generator.Contents;
import com.secuso.privacyfriendlycodescanner.qrscanner.helpers.Utils;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.dialogfragments.QRCodeImageDialogFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.dialogfragments.RawDataDialogFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.resultfragments.CalendarResultFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.resultfragments.ContactResultFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.resultfragments.EmailResultFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.resultfragments.GeoResultFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.resultfragments.ProductResultFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.resultfragments.ResultFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.resultfragments.SMSResultFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.resultfragments.TelResultFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.resultfragments.TextResultFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.resultfragments.URLResultFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.resultfragments.WifiResultFragment;
import com.secuso.privacyfriendlycodescanner.qrscanner.ui.viewmodel.ResultViewModel;

import java.text.DateFormat;
import java.util.Date;
import android.os.Environment;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;

import java.util.HashMap;
import java.util.Map;

/**
 * This activity displays the results of scan. Either from the history or from a scan directly.
 */
public class ResultActivity extends AppCompatActivity {

    private static final String HISTORY_DATA = "ResultActivity.HISTORY_DATA";

    private static BarcodeResult barcodeResult = null;
    private static HistoryItem historyItem = null;

    private Button chooseActionButton = null;

    private ResultViewModel viewModel;
    private ResultFragment currentResultFragment;

    private Map<String, Double> productPrices; // 产品价格映射

    public static void startResultActivity(@NonNull Context context, @NonNull BarcodeResult barcodeResult) {
        ResultActivity.barcodeResult = barcodeResult;
        ResultActivity.historyItem = null;
        Intent resultIntent = new Intent(context, ResultActivity.class);
        context.startActivity(resultIntent);
    }

    public static void startResultActivity(@NonNull Context context, @NonNull HistoryItem historyItem) {
        ResultActivity.barcodeResult = null;
        ResultActivity.historyItem = historyItem;
        Intent resultIntent = new Intent(context, ResultActivity.class);
        resultIntent.putExtra(HISTORY_DATA, true);
        context.startActivity(resultIntent);
    }

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

        chooseActionButton = findViewById(R.id.btnChooseAction);
        viewModel = new ViewModelProvider(this).get(ResultViewModel.class);

        // 加载产品价格数据
        productPrices = loadProductPrices();

        initStateIfNecessary(savedInstanceState);

        ActionBar ab = getSupportActionBar();
        if (ab != null) {
            ab.setDisplayHomeAsUpEnabled(true);
        }

        if (isFinishing()) {
            return;
        }

        loadFragment(viewModel.mParsedResult);

        if (isFinishing()) {
            return;
        }

        displayGeneralData();
        displayProductPrice(); // 显示价格

        findViewById(R.id.btnChooseAction).setOnClickListener(this::onChooseActionButtonClick);
        findViewById(R.id.btnRawData).setOnClickListener(this::onRawDataButtonClick);
        findViewById(R.id.activity_result_qr_image).setOnClickListener(this::onQRImageClick);
    }

    private Map<String, Double> loadProductPrices() {
        Map<String, Double> productPrices = new HashMap<>();
        File downloadsDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
        File csvFile = new File(downloadsDir, "product_prices.csv");

        try (BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(csvFile)))) {
            String line;
            while ((line = reader.readLine()) != null) {
                String[] parts = line.split(",");
                if (parts.length == 2) {
                    String barcode = parts[0].trim();
                    Double price = Double.parseDouble(parts[1].trim());
                    productPrices.put(barcode, price);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        return productPrices;
    }

    private void displayGeneralData() {
        ImageView qrImageView = findViewById(R.id.activity_result_qr_image);
        TextView qrTypeText = findViewById(R.id.textView);
        TextView timestampTextView = findViewById(R.id.textViewTimestamp);
        TextView codeTypeText = findViewById(R.id.textViewCodeType);
        ImageView codeTypeImageView = findViewById(R.id.item_history_type_image);

        @DrawableRes int codeTypeDrawableRes = Utils.getBarcodeFormatIcon(viewModel.currentHistoryItem.getFormat());
        Glide.with(this).load(AppCompatResources.getDrawable(this, codeTypeDrawableRes))
                .placeholder(AppCompatResources.getDrawable(this, R.drawable.ic_no_image_accent_24dp))
                .into(codeTypeImageView);

        codeTypeText.setText(viewModel.currentHistoryItem.getFormat().toString());

        Glide.with(this).load(viewModel.mCodeImage).into(qrImageView);
        qrTypeText.setText(Contents.Type.parseParsedResultType(viewModel.mParsedResult.getType()).toLocalizedString(getApplicationContext()));

        long timestamp = viewModel.currentHistoryItem.getTimestamp();
        if (timestamp != 0) {
            DateFormat df = DateFormat.getDateTimeInstance();
            timestampTextView.setText(df.format(new Date(timestamp)));
        }
    }

    private void displayProductPrice() {
        TextView priceTextView = findViewById(R.id.textViewPrice); // 确保在布局中有这个TextView
        String barcode = viewModel.currentHistoryItem.getText(); // 获取条形码文本

        if (productPrices.containsKey(barcode)) {
            double price = productPrices.get(barcode);
            priceTextView.setText("价格: $" + price);
        } else {
            priceTextView.setText("未找到价格");
        }
    }

    private void onQRImageClick(View view) {
        QRCodeImageDialogFragment fragment = new QRCodeImageDialogFragment();
        fragment.show(getSupportFragmentManager(), QRCodeImageDialogFragment.TAG);
    }

    private void onChooseActionButtonClick(View view) {
        if (currentResultFragment != null) {
            currentResultFragment.onProceedPressed(this);
        }
    }

    private void onRawDataButtonClick(View view) {
        RawDataDialogFragment fragment = RawDataDialogFragment.Companion.newInstance(viewModel.currentHistoryItem.getText());
        fragment.show(getSupportFragmentManager(), RawDataDialogFragment.TAG);
    }
    private void initStateIfNecessary(Bundle savedInstanceState) {
        boolean hasHistoryItem = getIntent().getBooleanExtra(HISTORY_DATA, false);

        if (savedInstanceState == null) {
            if (hasHistoryItem && historyItem != null) {
                viewModel.initFromHistoryItem(historyItem);
            } else if (barcodeResult != null) {
                viewModel.initFromScan(barcodeResult);
            } else {
                // no data to display -> exit
                Toast.makeText(this, R.string.activity_result_toast_error_cant_load, Toast.LENGTH_SHORT).show();
                finish();
            }
        }
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.share, menu);
        getMenuInflater().inflate(R.menu.copy, menu);
        getMenuInflater().inflate(R.menu.save, menu);

        return true;
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        if (menu != null) {
            MenuItem saveMi = menu.findItem(R.id.save);
            if (saveMi != null) {
                saveMi.setVisible(!viewModel.mSavedToHistory);
            }
        }

        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int itemId = item.getItemId();
        if (itemId == R.id.share) {
            Intent sharingIntent = new Intent(Intent.ACTION_SEND);
            sharingIntent.setType("text/plain");
            sharingIntent.putExtra(Intent.EXTRA_TEXT, viewModel.mParsedResult.getDisplayResult());
            startActivity(Intent.createChooser(sharingIntent, getString(R.string.share_via)));
            return true;
        } else if (itemId == R.id.save) {
            viewModel.saveHistoryItem(viewModel.currentHistoryItem);
            invalidateOptionsMenu();
            Toast.makeText(this, R.string.activity_result_toast_saved, Toast.LENGTH_SHORT).show();
            return true;
        } else if (itemId == R.id.copy) {
            ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
            ClipData clipData = ClipData.newPlainText("Text", viewModel.mParsedResult.getDisplayResult());
            clipboardManager.setPrimaryClip(clipData);
            Toast.makeText(getApplicationContext(), R.string.content_copied, Toast.LENGTH_SHORT).show();
            return true;
        } else if (itemId == android.R.id.home) {
            onBackPressed();
            return true;
        } else {
            return super.onOptionsItemSelected(item);
        }
    }

    private void loadFragment(ParsedResult parsedResult) {
        if (parsedResult == null) {
            Toast.makeText(this.getBaseContext(), R.string.activity_result_toast_error_cant_load, Toast.LENGTH_LONG).show();
            finish();
            return;
        }

        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();

        ResultFragment resultFragment;
        switch (parsedResult.getType()) {
            case ADDRESSBOOK:
                resultFragment = new ContactResultFragment();
                break;
            case CALENDAR:
                resultFragment = new CalendarResultFragment();
                break;
            case EMAIL_ADDRESS:
                resultFragment = new EmailResultFragment();
                break;
            case PRODUCT:
                resultFragment = new ProductResultFragment();
                break;
            case URI:
                resultFragment = new URLResultFragment();
                break;
            case GEO:
                resultFragment = new GeoResultFragment();
                break;
            case TEL:
                resultFragment = new TelResultFragment();
                break;
            case SMS:
                resultFragment = new SMSResultFragment();
                break;
            case WIFI:
                resultFragment = new WifiResultFragment();
                break;
            case ISBN:
                // TODO: add isbn fragment
            case VIN:
                // TODO: add vin fragment
            case TEXT:
            default:
                resultFragment = new TextResultFragment();

                // hide "search" button if search engines are disabled
                if (!PreferenceManager.getDefaultSharedPreferences(this).getBoolean("pref_search_engine_enabled", true)) {
                    chooseActionButton.setVisibility(View.GONE);
                }

                break;
        }

        currentResultFragment = resultFragment;

        resultFragment.putQRCode(parsedResult);

        ft.replace(R.id.activity_result_frame_layout, resultFragment);
        ft.commit();

        chooseActionButton.setText(resultFragment.getProceedButtonTitle(this));
    }
}

xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="?attr/colorSurface"
        android:fillViewport="true"
        tools:context="com.secuso.privacyfriendlycodescanner.qrscanner.ui.activities.ResultActivity">

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingBottom="80dp">

            <androidx.cardview.widget.CardView
                android:id="@+id/activity_result_qr_type_card"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_margin="16dp"
                android:padding="8dp"
                app:cardCornerRadius="4dp"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent">

                <androidx.constraintlayout.widget.ConstraintLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content">

                    <ImageView
                        android:id="@+id/activity_result_qr_image"
                        android:layout_width="80dp"
                        android:layout_height="0dp"
                        android:layout_margin="8dp"
                        android:scaleType="centerCrop"
                        app:layout_constraintBottom_toBottomOf="parent"
                        app:layout_constraintDimensionRatio="1:1"
                        app:layout_constraintStart_toStartOf="parent"
                        app:layout_constraintTop_toTopOf="parent"
                        app:srcCompat="@drawable/qqr" />

                    <ImageView
                        android:id="@+id/item_history_type_image"
                        android:layout_width="12dp"
                        android:layout_height="wrap_content"
                        android:layout_marginStart="32dp"
                        android:layout_marginTop="8dp"
                        android:layout_marginEnd="8dp"
                        android:layout_marginBottom="2dp"
                        android:text="QR-Code"
                        android:textAppearance="@style/TextAppearance.AppCompat.Small"
                        app:layout_constraintBottom_toTopOf="@+id/textView"
                        app:layout_constraintHorizontal_bias="0.0"
                        app:layout_constraintStart_toEndOf="@id/activity_result_qr_image"
                        app:layout_constraintTop_toTopOf="@id/activity_result_qr_image"
                        app:srcCompat="@drawable/ic_no_image_accent_24dp"
                        app:tint="?attr/colorHistoryIcons" />

                    <TextView
                        android:id="@+id/textViewCodeType"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginStart="2dp"
                        android:layout_marginTop="8dp"
                        android:layout_marginEnd="8dp"
                        android:layout_marginBottom="2dp"
                        android:text="QR-Code"
                        android:textAppearance="@style/TextAppearance.AppCompat.Small"
                        app:layout_constraintBottom_toTopOf="@+id/textView"
                        app:layout_constraintEnd_toEndOf="parent"
                        app:layout_constraintHorizontal_bias="0.0"
                        app:layout_constraintStart_toEndOf="@id/item_history_type_image"
                        app:layout_constraintTop_toTopOf="@id/activity_result_qr_image" />

                    <TextView
                        android:id="@+id/textView"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginStart="32dp"
                        android:layout_marginEnd="8dp"
                        android:text="Error"
                        android:textAppearance="@style/TextAppearance.AppCompat.Large"
                        app:layout_constraintBottom_toBottomOf="@id/activity_result_qr_image"
                        app:layout_constraintEnd_toEndOf="parent"
                        app:layout_constraintHorizontal_bias="0.0"
                        app:layout_constraintStart_toEndOf="@id/activity_result_qr_image"
                        app:layout_constraintTop_toTopOf="@id/activity_result_qr_image" />

                    <TextView
                        android:id="@+id/textViewTimestamp"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginTop="8dp"
                        android:layout_marginEnd="8dp"
                        android:text="TextView"
                        android:textAlignment="textEnd"
                        android:textSize="12sp"
                        app:layout_constrainedWidth="true"
                        app:layout_constraintEnd_toEndOf="parent"
                        app:layout_constraintHorizontal_bias="1.0"
                        app:layout_constraintStart_toEndOf="@+id/textViewCodeType"
                        app:layout_constraintTop_toTopOf="parent" />

                    <Button
                        android:id="@+id/btnRawData"
                        style="@style/Widget.MaterialComponents.Button.TextButton"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginEnd="8dp"
                        android:layout_marginBottom="2dp"
                        android:text="@string/raw_data"
                        android:textColor="?attr/colorAccent"
                        app:layout_constrainedWidth="true"
                        app:layout_constraintBottom_toBottomOf="parent"
                        app:layout_constraintEnd_toEndOf="parent"
                        app:layout_constraintHorizontal_bias="1.0"
                        app:layout_constraintStart_toEndOf="@+id/textView"
                        app:layout_constraintTop_toBottomOf="@+id/textViewTimestamp"
                        app:layout_constraintVertical_bias="1.0" />

                </androidx.constraintlayout.widget.ConstraintLayout>

            </androidx.cardview.widget.CardView>

            <FrameLayout
                android:id="@+id/activity_result_frame_layout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/activity_result_qr_type_card"
                app:layout_constraintVertical_bias="0.0" />

        </androidx.constraintlayout.widget.ConstraintLayout>

    </ScrollView>
    <TextView
        android:id="@+id/textViewPrice"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="200dp"
        android:layout_marginLeft="15dp"
        android:text="价格: "
        android:textSize="16sp"/>

    <com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
        android:id="@+id/btnChooseAction"
        style="@style/AppTheme.Button.ExtendedFloatingActionButton.Base"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="16dp"
        android:clickable="true"
        android:text="@string/choose_action"
        android:textAlignment="center"
        app:icon="@drawable/ic_baseline_next_plan_24dp" />

</RelativeLayout>

参考github

SecUSo//privacy-friendly-qr-scanner