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.share;
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;
31 import com.google.zxing.client.android.Intents;
32 import com.google.zxing.client.android.Contents;
33 import com.google.zxing.client.android.R;
36 * Barcode Scanner can share data like contacts and bookmarks by displaying a QR Code on screen,
37 * such that another user can scan the barcode with their phone.
39 * @author dswitkin@google.com (Daniel Switkin)
41 public final class ShareActivity extends Activity {
42 private static final int PICK_BOOKMARK = 0;
43 private static final int PICK_CONTACT = 1;
45 //private static final int METHODS_ID_COLUMN = 0;
46 private static final int METHODS_KIND_COLUMN = 1;
47 private static final int METHODS_DATA_COLUMN = 2;
49 private static final String[] METHODS_PROJECTION = {
51 Contacts.ContactMethodsColumns.KIND, // 1
52 Contacts.ContactMethodsColumns.DATA, // 2
55 private static final int PHONES_NUMBER_COLUMN = 1;
57 private static final String[] PHONES_PROJECTION = {
59 Contacts.PhonesColumns.NUMBER // 1
62 private Button clipboardButton;
64 private final Button.OnClickListener contactListener = new Button.OnClickListener() {
65 public void onClick(View v) {
66 startActivityForResult(new Intent(Intent.ACTION_PICK, Contacts.People.CONTENT_URI),
71 private final Button.OnClickListener bookmarkListener = new Button.OnClickListener() {
72 public void onClick(View v) {
73 Intent intent = new Intent(Intent.ACTION_PICK);
74 intent.setClassName(ShareActivity.this, BookmarkPickerActivity.class.getName());
75 startActivityForResult(intent, PICK_BOOKMARK);
79 private final Button.OnClickListener clipboardListener = new Button.OnClickListener() {
80 public void onClick(View v) {
81 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
82 // Should always be true, because we grey out the clipboard button in onResume() if it's empty
83 if (clipboard.hasText()) {
84 Intent intent = new Intent(Intents.Encode.ACTION);
85 intent.putExtra(Intents.Encode.TYPE, Contents.Type.TEXT);
86 intent.putExtra(Intents.Encode.DATA, clipboard.getText());
87 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
88 startActivity(intent);
94 public void onCreate(Bundle icicle) {
95 super.onCreate(icicle);
96 setContentView(R.layout.share);
98 Button mContactButton = (Button) findViewById(R.id.contact_button);
99 mContactButton.setOnClickListener(contactListener);
100 Button mBookmarkButton = (Button) findViewById(R.id.bookmark_button);
101 mBookmarkButton.setOnClickListener(bookmarkListener);
102 clipboardButton = (Button) findViewById(R.id.clipboard_button);
103 clipboardButton.setOnClickListener(clipboardListener);
107 protected void onResume() {
110 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
111 if (clipboard.hasText()) {
112 clipboardButton.setEnabled(true);
113 clipboardButton.setText(R.string.button_share_clipboard);
115 clipboardButton.setEnabled(false);
116 clipboardButton.setText(R.string.button_clipboard_empty);
121 public void onActivityResult(int requestCode, int resultCode, Intent intent) {
122 if (resultCode == RESULT_OK) {
123 switch (requestCode) {
125 showTextAsBarcode(intent.getStringExtra(Browser.BookmarkColumns.URL));
128 // Data field is content://contacts/people/984
129 showContactAsBarcode(intent.getData());
135 private void showTextAsBarcode(String text) {
136 Intent intent = new Intent(Intents.Encode.ACTION);
137 intent.putExtra(Intents.Encode.TYPE, Contents.Type.TEXT);
138 intent.putExtra(Intents.Encode.DATA, text);
139 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
140 startActivity(intent);
144 * Takes a contact Uri and does the necessary database lookups to retrieve that person's info,
145 * then sends an Encode intent to render it as a QR Code.
147 * @param contactUri A Uri of the form content://contacts/people/17
149 private void showContactAsBarcode(Uri contactUri) {
150 ContentResolver resolver = getContentResolver();
151 Cursor contactCursor = resolver.query(contactUri, null, null, null, null);
152 Bundle bundle = new Bundle();
153 if (contactCursor != null && contactCursor.moveToFirst()) {
154 int nameColumn = contactCursor.getColumnIndex(Contacts.PeopleColumns.NAME);
155 String name = contactCursor.getString(nameColumn);
157 // Don't require a name to be present, this contact might be just a phone number.
158 if (name != null && name.length() > 0) {
159 bundle.putString(Contacts.Intents.Insert.NAME, massageContactData(name));
161 contactCursor.close();
163 Uri phonesUri = Uri.withAppendedPath(contactUri, Contacts.People.Phones.CONTENT_DIRECTORY);
164 Cursor phonesCursor = resolver.query(phonesUri, PHONES_PROJECTION, null, null, null);
165 if (phonesCursor != null) {
167 while (phonesCursor.moveToNext()) {
168 String number = phonesCursor.getString(PHONES_NUMBER_COLUMN);
169 if (foundPhone < Contents.PHONE_KEYS.length) {
170 bundle.putString(Contents.PHONE_KEYS[foundPhone], massageContactData(number));
174 phonesCursor.close();
177 Uri methodsUri = Uri.withAppendedPath(contactUri,
178 Contacts.People.ContactMethods.CONTENT_DIRECTORY);
179 Cursor methodsCursor = resolver.query(methodsUri, METHODS_PROJECTION, null, null, null);
180 if (methodsCursor != null) {
182 boolean foundPostal = false;
183 while (methodsCursor.moveToNext()) {
184 int kind = methodsCursor.getInt(METHODS_KIND_COLUMN);
185 String data = methodsCursor.getString(METHODS_DATA_COLUMN);
187 case Contacts.KIND_EMAIL:
188 if (foundEmail < Contents.EMAIL_KEYS.length) {
189 bundle.putString(Contents.EMAIL_KEYS[foundEmail], massageContactData(data));
193 case Contacts.KIND_POSTAL:
195 bundle.putString(Contacts.Intents.Insert.POSTAL, massageContactData(data));
201 methodsCursor.close();
204 Intent intent = new Intent(Intents.Encode.ACTION);
205 intent.putExtra(Intents.Encode.TYPE, Contents.Type.CONTACT);
206 intent.putExtra(Intents.Encode.DATA, bundle);
207 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
209 startActivity(intent);
213 private static String massageContactData(String data) {
214 // For now -- make sure we don't put newlines in shared contact data. It messes up
215 // any known encoding of contact data. Replace with space.
216 if (data.indexOf('\n') >= 0) {
217 data = data.replace("\n", " ");
219 if (data.indexOf('\r') >= 0) {
220 data = data.replace("\r", " ");