Intents.java :  » UnTagged » hackathon-jp » com » google » zxing » client » android » Android Open Source

/*
 * Copyright (C) 2008 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.zxing.client.android;

public final class Intents {

  private Intents() {
  }

  public static final class Scan {
    /**
     * Send this intent to open the Barcodes app in scanning mode, find a barcode, and return
     * the results.
     */
    public static final String ACTION = "com.google.zxing.client.android.SCAN";

    // For compatibility only - do not use in new code, this will go away!
    public static final String DEPRECATED_ACTION = "com.android.barcodes.SCAN";

    /**
     * By default, sending Scan.ACTION will decode all barcodes that we understand. However it
     * may be useful to limit scanning to certain formats. Use Intent.putExtra(MODE, value) with
     * one of the values below (optional).
     */
    public static final String MODE = "SCAN_MODE";

    /**
     * Decode only UPC and EAN barcodes. This is the right choice for shopping apps which get
     * prices, reviews, etc. for products.
     */
    public static final String PRODUCT_MODE = "PRODUCT_MODE";

    /**
     * Decode only 1D barcodes (currently UPC, EAN, Code 39, and Code 128).
     */
    public static final String ONE_D_MODE = "ONE_D_MODE";

    /**
     * Decode only QR codes.
     */
    public static final String QR_CODE_MODE = "QR_CODE_MODE";

    /**
     * If a barcode is found, Barcodes returns RESULT_OK to onActivityResult() of the app which
     * requested the scan via startSubActivity(). The barcodes contents can be retrieved with
     * intent.getStringExtra(RESULT). If the user presses Back, the result code will be
     * RESULT_CANCELED.
     */
    public static final String RESULT = "SCAN_RESULT";

    /**
     * Call intent.getStringExtra(RESULT_FORMAT) to determine which barcode format was found.
     * See Contents.Format for possible values.
     */
    public static final String RESULT_FORMAT = "SCAN_RESULT_FORMAT";

    private Scan() {
    }
  }

  public static final class Encode {
    /**
     * Send this intent to encode a piece of data as a QR code and display it full screen, so
     * that another person can scan the barcode from your screen.
     */
    public static final String ACTION = "com.google.zxing.client.android.ENCODE";

    // For compatibility only - do not use in new code, this will go away!
    public static final String DEPRECATED_ACTION = "com.android.barcodes.ENCODE";

    /**
     * The data to encode. Use Intent.putExtra(DATA, data) where data is either a String or a
     * Bundle, depending on the type specified. See Contents for details.
     */
    public static final String DATA = "ENCODE_DATA";

    /**
     * The type of data being supplied. Use Intent.putExtra(TYPE, type) with one of
     * Contents.Type.
     */
    public static final String TYPE = "ENCODE_TYPE";

    private Encode() {
    }
  }

  public static final class SearchBookContents {
    /**
     * Use Google Book Search to search the contents of the book provided.
     */
    public static final String ACTION = "com.google.zxing.client.android.SEARCH_BOOK_CONTENTS";

    // For compatibility only - do not use in new code, this will go away!
    public static final String DEPRECATED_ACTION = "com.android.barcodes.SEARCH_BOOK_CONTENTS";

    /**
     * The book to search, identified by ISBN number.
     */
    public static final String ISBN = "ISBN";

    /**
     * An optional field which is the text to search for.
     */
    public static final String QUERY = "QUERY";

    private SearchBookContents() {
    }
  }

  public static final class Share {
    /**
     * Give the user a choice of items to encode as a barcode, then render it as a QR Code and
     * display onscreen for a friend to scan with their phone.
     */
    public static final String ACTION = "com.google.zxing.client.android.SHARE";

    private Share() {
    }
  }

}