2 * Copyright (C) 2008 ZXing authors
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing.client.android;
19 import android.app.Activity;
20 import android.content.ContentResolver;
21 import android.content.Intent;
22 import android.database.Cursor;
23 import android.net.Uri;
24 import android.os.Bundle;
25 import android.provider.Browser;
26 import android.provider.Contacts;
27 import android.provider.BaseColumns;
28 import android.text.ClipboardManager;
29 import android.view.View;
30 import android.widget.Button;
33 * Barcode Scanner can share data like contacts and bookmarks by displaying a QR Code on screen,
34 * such that another user can scan the barcode with their phone.
36 * @author dswitkin@google.com (Daniel Switkin)
38 public final class ShareActivity extends Activity {
39 private static final int PICK_BOOKMARK = 0;
40 private static final int PICK_CONTACT = 1;
42 //private static final int METHODS_ID_COLUMN = 0;
43 private static final int METHODS_KIND_COLUMN = 1;
44 private static final int METHODS_DATA_COLUMN = 2;
46 private static final String[] METHODS_PROJECTION = {
48 Contacts.ContactMethodsColumns.KIND, // 1
49 Contacts.ContactMethodsColumns.DATA, // 2
52 private static final int PHONES_NUMBER_COLUMN = 1;
54 private static final String[] PHONES_PROJECTION = {
56 Contacts.PhonesColumns.NUMBER // 1
59 private Button clipboardButton;
61 private final Button.OnClickListener contactListener = new Button.OnClickListener() {
62 public void onClick(View v) {
63 startActivityForResult(new Intent(Intent.ACTION_PICK, Contacts.People.CONTENT_URI),
68 private final Button.OnClickListener bookmarkListener = new Button.OnClickListener() {
69 public void onClick(View v) {
70 Intent intent = new Intent(Intent.ACTION_PICK);
71 intent.setClassName(ShareActivity.this, BookmarkPickerActivity.class.getName());
72 startActivityForResult(intent, PICK_BOOKMARK);
76 private final Button.OnClickListener clipboardListener = new Button.OnClickListener() {
77 public void onClick(View v) {
78 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
79 // Should always be true, because we grey out the clipboard button in onResume() if it's empty
80 if (clipboard.hasText()) {
81 Intent intent = new Intent(Intents.Encode.ACTION);
82 intent.putExtra(Intents.Encode.TYPE, Contents.Type.TEXT);
83 intent.putExtra(Intents.Encode.DATA, clipboard.getText());
84 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
85 startActivity(intent);
91 public void onCreate(Bundle icicle) {
92 super.onCreate(icicle);
93 setContentView(R.layout.share);
95 Button mContactButton = (Button) findViewById(R.id.contact_button);
96 mContactButton.setOnClickListener(contactListener);
97 Button mBookmarkButton = (Button) findViewById(R.id.bookmark_button);
98 mBookmarkButton.setOnClickListener(bookmarkListener);
99 clipboardButton = (Button) findViewById(R.id.clipboard_button);
100 clipboardButton.setOnClickListener(clipboardListener);
104 protected void onResume() {
107 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
108 if (clipboard.hasText()) {
109 clipboardButton.setEnabled(true);
110 clipboardButton.setText(R.string.button_share_clipboard);
112 clipboardButton.setEnabled(false);
113 clipboardButton.setText(R.string.button_clipboard_empty);
118 public void onActivityResult(int requestCode, int resultCode, Intent intent) {
119 if (resultCode == RESULT_OK) {
120 switch (requestCode) {
122 showTextAsBarcode(intent.getStringExtra(Browser.BookmarkColumns.URL));
125 // Data field is content://contacts/people/984
126 showContactAsBarcode(intent.getData());
132 private void showTextAsBarcode(String text) {
133 Intent intent = new Intent(Intents.Encode.ACTION);
134 intent.putExtra(Intents.Encode.TYPE, Contents.Type.TEXT);
135 intent.putExtra(Intents.Encode.DATA, text);
136 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
137 startActivity(intent);
141 * Takes a contact Uri and does the necessary database lookups to retrieve that person's info,
142 * then sends an Encode intent to render it as a QR Code.
144 * @param contactUri A Uri of the form content://contacts/people/17
146 private void showContactAsBarcode(Uri contactUri) {
147 ContentResolver resolver = getContentResolver();
148 Cursor contactCursor = resolver.query(contactUri, null, null, null, null);
149 Bundle bundle = new Bundle();
150 if (contactCursor != null && contactCursor.moveToFirst()) {
151 int nameColumn = contactCursor.getColumnIndex(Contacts.PeopleColumns.NAME);
152 String name = contactCursor.getString(nameColumn);
154 // Don't require a name to be present, this contact might be just a phone number.
155 if (name != null && name.length() > 0) {
156 bundle.putString(Contacts.Intents.Insert.NAME, massageContactData(name));
158 contactCursor.close();
160 Uri phonesUri = Uri.withAppendedPath(contactUri, Contacts.People.Phones.CONTENT_DIRECTORY);
161 Cursor phonesCursor = resolver.query(phonesUri, PHONES_PROJECTION, null, null, null);
162 if (phonesCursor != null) {
164 while (phonesCursor.moveToNext()) {
165 String number = phonesCursor.getString(PHONES_NUMBER_COLUMN);
166 if (foundPhone < Contents.PHONE_KEYS.length) {
167 bundle.putString(Contents.PHONE_KEYS[foundPhone], massageContactData(number));
171 phonesCursor.close();
174 Uri methodsUri = Uri.withAppendedPath(contactUri,
175 Contacts.People.ContactMethods.CONTENT_DIRECTORY);
176 Cursor methodsCursor = resolver.query(methodsUri, METHODS_PROJECTION, null, null, null);
177 if (methodsCursor != null) {
179 boolean foundPostal = false;
180 while (methodsCursor.moveToNext()) {
181 int kind = methodsCursor.getInt(METHODS_KIND_COLUMN);
182 String data = methodsCursor.getString(METHODS_DATA_COLUMN);
184 case Contacts.KIND_EMAIL:
185 if (foundEmail < Contents.EMAIL_KEYS.length) {
186 bundle.putString(Contents.EMAIL_KEYS[foundEmail], massageContactData(data));
190 case Contacts.KIND_POSTAL:
192 bundle.putString(Contacts.Intents.Insert.POSTAL, massageContactData(data));
198 methodsCursor.close();
201 Intent intent = new Intent(Intents.Encode.ACTION);
202 intent.putExtra(Intents.Encode.TYPE, Contents.Type.CONTACT);
203 intent.putExtra(Intents.Encode.DATA, bundle);
204 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
206 startActivity(intent);
210 private static String massageContactData(String data) {
211 // For now -- make sure we don't put newlines in shared contact data. It messes up
212 // any known encoding of contact data. Replace with space.
213 if (data.indexOf('\n') >= 0) {
214 data = data.replace("\n", " ");
216 if (data.indexOf('\r') >= 0) {
217 data = data.replace("\r", " ");