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 {
43 private static final int PICK_BOOKMARK = 0;
44 private static final int PICK_CONTACT = 1;
45 private static final int PICK_APP = 2;
47 //private static final int METHODS_ID_COLUMN = 0;
48 private static final int METHODS_KIND_COLUMN = 1;
49 private static final int METHODS_DATA_COLUMN = 2;
51 private static final String[] METHODS_PROJECTION = {
53 Contacts.ContactMethodsColumns.KIND, // 1
54 Contacts.ContactMethodsColumns.DATA, // 2
57 private static final int PHONES_NUMBER_COLUMN = 1;
59 private static final String[] PHONES_PROJECTION = {
61 Contacts.PhonesColumns.NUMBER // 1
64 private Button clipboardButton;
66 private final Button.OnClickListener contactListener = new Button.OnClickListener() {
67 public void onClick(View v) {
68 Intent intent = new Intent(Intent.ACTION_PICK, Contacts.People.CONTENT_URI);
69 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
70 startActivityForResult(intent, PICK_CONTACT);
74 private final Button.OnClickListener bookmarkListener = new Button.OnClickListener() {
75 public void onClick(View v) {
76 Intent intent = new Intent(Intent.ACTION_PICK);
77 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
78 intent.setClassName(ShareActivity.this, BookmarkPickerActivity.class.getName());
79 startActivityForResult(intent, PICK_BOOKMARK);
83 private final Button.OnClickListener appListener = new Button.OnClickListener() {
84 public void onClick(View v) {
85 Intent intent = new Intent(Intent.ACTION_PICK);
86 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
87 intent.setClassName(ShareActivity.this, AppPickerActivity.class.getName());
88 startActivityForResult(intent, PICK_APP);
92 private final Button.OnClickListener clipboardListener = new Button.OnClickListener() {
93 public void onClick(View v) {
94 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
95 // Should always be true, because we grey out the clipboard button in onResume() if it's empty
96 if (clipboard.hasText()) {
97 Intent intent = new Intent(Intents.Encode.ACTION);
98 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
99 intent.putExtra(Intents.Encode.TYPE, Contents.Type.TEXT);
100 intent.putExtra(Intents.Encode.DATA, clipboard.getText());
101 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
102 startActivity(intent);
108 public void onCreate(Bundle icicle) {
109 super.onCreate(icicle);
110 setContentView(R.layout.share);
112 findViewById(R.id.contact_button).setOnClickListener(contactListener);
113 findViewById(R.id.bookmark_button).setOnClickListener(bookmarkListener);
114 findViewById(R.id.app_button).setOnClickListener(appListener);
115 clipboardButton = (Button) findViewById(R.id.clipboard_button);
116 clipboardButton.setOnClickListener(clipboardListener);
120 protected void onResume() {
123 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
124 if (clipboard.hasText()) {
125 clipboardButton.setEnabled(true);
126 clipboardButton.setText(R.string.button_share_clipboard);
128 clipboardButton.setEnabled(false);
129 clipboardButton.setText(R.string.button_clipboard_empty);
134 public void onActivityResult(int requestCode, int resultCode, Intent intent) {
135 if (resultCode == RESULT_OK) {
136 switch (requestCode) {
139 showTextAsBarcode(intent.getStringExtra(Browser.BookmarkColumns.URL));
142 // Data field is content://contacts/people/984
143 showContactAsBarcode(intent.getData());
149 private void showTextAsBarcode(String text) {
150 Intent intent = new Intent(Intents.Encode.ACTION);
151 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
152 intent.putExtra(Intents.Encode.TYPE, Contents.Type.TEXT);
153 intent.putExtra(Intents.Encode.DATA, text);
154 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
155 startActivity(intent);
159 * Takes a contact Uri and does the necessary database lookups to retrieve that person's info,
160 * then sends an Encode intent to render it as a QR Code.
162 * @param contactUri A Uri of the form content://contacts/people/17
164 private void showContactAsBarcode(Uri contactUri) {
165 ContentResolver resolver = getContentResolver();
166 Cursor contactCursor = resolver.query(contactUri, null, null, null, null);
167 Bundle bundle = new Bundle();
168 if (contactCursor != null && contactCursor.moveToFirst()) {
169 int nameColumn = contactCursor.getColumnIndex(Contacts.PeopleColumns.NAME);
170 String name = contactCursor.getString(nameColumn);
172 // Don't require a name to be present, this contact might be just a phone number.
173 if (name != null && name.length() > 0) {
174 bundle.putString(Contacts.Intents.Insert.NAME, massageContactData(name));
176 contactCursor.close();
178 Uri phonesUri = Uri.withAppendedPath(contactUri, Contacts.People.Phones.CONTENT_DIRECTORY);
179 Cursor phonesCursor = resolver.query(phonesUri, PHONES_PROJECTION, null, null, null);
180 if (phonesCursor != null) {
182 while (phonesCursor.moveToNext()) {
183 String number = phonesCursor.getString(PHONES_NUMBER_COLUMN);
184 if (foundPhone < Contents.PHONE_KEYS.length) {
185 bundle.putString(Contents.PHONE_KEYS[foundPhone], massageContactData(number));
189 phonesCursor.close();
192 Uri methodsUri = Uri.withAppendedPath(contactUri,
193 Contacts.People.ContactMethods.CONTENT_DIRECTORY);
194 Cursor methodsCursor = resolver.query(methodsUri, METHODS_PROJECTION, null, null, null);
195 if (methodsCursor != null) {
197 boolean foundPostal = false;
198 while (methodsCursor.moveToNext()) {
199 int kind = methodsCursor.getInt(METHODS_KIND_COLUMN);
200 String data = methodsCursor.getString(METHODS_DATA_COLUMN);
202 case Contacts.KIND_EMAIL:
203 if (foundEmail < Contents.EMAIL_KEYS.length) {
204 bundle.putString(Contents.EMAIL_KEYS[foundEmail], massageContactData(data));
208 case Contacts.KIND_POSTAL:
210 bundle.putString(Contacts.Intents.Insert.POSTAL, massageContactData(data));
216 methodsCursor.close();
219 Intent intent = new Intent(Intents.Encode.ACTION);
220 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
221 intent.putExtra(Intents.Encode.TYPE, Contents.Type.CONTACT);
222 intent.putExtra(Intents.Encode.DATA, bundle);
223 intent.putExtra(Intents.Encode.FORMAT, Contents.Format.QR_CODE);
225 startActivity(intent);
229 private static String massageContactData(String data) {
230 // For now -- make sure we don't put newlines in shared contact data. It messes up
231 // any known encoding of contact data. Replace with space.
232 if (data.indexOf('\n') >= 0) {
233 data = data.replace("\n", " ");
235 if (data.indexOf('\r') >= 0) {
236 data = data.replace("\r", " ");